diff options
186 files changed, 3174 insertions, 1181 deletions
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index aadc7c48ea8..2b5699dcd09 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -31,8 +31,8 @@ bootstrapping, the compiler architecture, source code representation, and more. ## [Getting help](https://rustc-dev-guide.rust-lang.org/getting-started.html#asking-questions) -There are many ways you can get help when you're stuck. Rust has many platforms for this: -[internals], [rust-zulip], and [rust-discord]. It is recommended to ask for help on +There are many ways you can get help when you're stuck. Rust has two platforms for this: +[internals] and [rust-zulip]. It is recommended to ask for help on the [rust-zulip], but any of these platforms are great ways to seek help and even find a mentor! You can learn more about asking questions and getting help in the [Asking Questions](https://rustc-dev-guide.rust-lang.org/getting-started.html#asking-questions) chapter of the [rustc-dev-guide]. @@ -47,5 +47,4 @@ refer to [this section][contributing-bug-reports] and [open an issue][issue temp [contributing-bug-reports]: https://rustc-dev-guide.rust-lang.org/contributing.html#bug-reports [issue template]: https://github.com/rust-lang/rust/issues/new/choose [internals]: https://internals.rust-lang.org -[rust-discord]: http://discord.gg/rust-lang [rust-zulip]: https://rust-lang.zulipchat.com diff --git a/Cargo.lock b/Cargo.lock index 3d4a1bf6a78..715d580e051 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -334,8 +334,10 @@ dependencies = [ "anyhow", "build_helper", "curl", + "hex", "indexmap", "serde", + "sha2", "toml 0.8.23", ] diff --git a/bootstrap.example.toml b/bootstrap.example.toml index 0cd571134ef..0a39c6d8f24 100644 --- a/bootstrap.example.toml +++ b/bootstrap.example.toml @@ -768,8 +768,7 @@ # make this default to false. #rust.lld = false in all cases, except on `x86_64-unknown-linux-gnu` as described above, where it is true -# Indicates whether LLD will be used to link Rust crates during bootstrap on -# supported platforms. +# Indicates if we should override the linker used to link Rust crates during bootstrap to be LLD. # If set to `true` or `"external"`, a global `lld` binary that has to be in $PATH # will be used. # If set to `"self-contained"`, rust-lld from the snapshot compiler will be used. @@ -777,7 +776,7 @@ # On MSVC, LLD will not be used if we're cross linking. # # Explicitly setting the linker for a target will override this option when targeting MSVC. -#rust.use-lld = false +#rust.bootstrap-override-lld = false # Indicates whether some LLVM tools, like llvm-objdump, will be made available in the # sysroot. @@ -950,7 +949,7 @@ # Linker to be used to bootstrap Rust code. Note that the # default value is platform specific, and if not specified it may also depend on # what platform is crossing to what platform. -# Setting this will override the `use-lld` option for Rust code when targeting MSVC. +# Setting this will override the `bootstrap-override-lld` option for Rust code when targeting MSVC. #linker = "cc" (path) # Should rustc and the standard library be built with split debuginfo? Default diff --git a/compiler/rustc_ast/src/expand/autodiff_attrs.rs b/compiler/rustc_ast/src/expand/autodiff_attrs.rs index 33451f99748..90f15753e99 100644 --- a/compiler/rustc_ast/src/expand/autodiff_attrs.rs +++ b/compiler/rustc_ast/src/expand/autodiff_attrs.rs @@ -6,6 +6,7 @@ use std::fmt::{self, Display, Formatter}; use std::str::FromStr; +use crate::expand::typetree::TypeTree; use crate::expand::{Decodable, Encodable, HashStable_Generic}; use crate::{Ty, TyKind}; @@ -84,6 +85,8 @@ pub struct AutoDiffItem { /// The name of the function being generated pub target: String, pub attrs: AutoDiffAttrs, + pub inputs: Vec<TypeTree>, + pub output: TypeTree, } #[derive(Clone, Eq, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)] @@ -275,14 +278,22 @@ impl AutoDiffAttrs { !matches!(self.mode, DiffMode::Error | DiffMode::Source) } - pub fn into_item(self, source: String, target: String) -> AutoDiffItem { - AutoDiffItem { source, target, attrs: self } + pub fn into_item( + self, + source: String, + target: String, + inputs: Vec<TypeTree>, + output: TypeTree, + ) -> AutoDiffItem { + AutoDiffItem { source, target, inputs, output, attrs: self } } } impl fmt::Display for AutoDiffItem { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "Differentiating {} -> {}", self.source, self.target)?; - write!(f, " with attributes: {:?}", self.attrs) + write!(f, " with attributes: {:?}", self.attrs)?; + write!(f, " with inputs: {:?}", self.inputs)?; + write!(f, " with output: {:?}", self.output) } } diff --git a/compiler/rustc_ast/src/expand/typetree.rs b/compiler/rustc_ast/src/expand/typetree.rs index 9a2dd2e85e0..e7b4f3aff41 100644 --- a/compiler/rustc_ast/src/expand/typetree.rs +++ b/compiler/rustc_ast/src/expand/typetree.rs @@ -31,6 +31,7 @@ pub enum Kind { Half, Float, Double, + F128, Unknown, } diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index f7a7a3f8c7e..5657620879c 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -1383,6 +1383,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { _src_align: Align, size: RValue<'gcc>, flags: MemFlags, + _tt: Option<rustc_ast::expand::typetree::FncTree>, // Autodiff TypeTrees are LLVM-only, ignored in GCC backend ) { assert!(!flags.contains(MemFlags::NONTEMPORAL), "non-temporal memcpy not supported"); let size = self.intcast(size, self.type_size_t(), false); diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs index a915f5d6418..99a4f9b9f7e 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs @@ -770,6 +770,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> { scratch_align, bx.const_usize(self.layout.size.bytes()), MemFlags::empty(), + None, ); bx.lifetime_end(scratch, scratch_size); diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index 861227f7c2a..1703cab942b 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -246,6 +246,7 @@ impl<'ll, 'tcx> ArgAbiExt<'ll, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> { scratch_align, bx.const_usize(copy_bytes), MemFlags::empty(), + None, ); bx.lifetime_end(llscratch, scratch_size); } diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 78107d95e5a..5ac3a87c158 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -563,6 +563,8 @@ fn enable_autodiff_settings(ad: &[config::AutoDiff]) { config::AutoDiff::Enable => {} // We handle this below config::AutoDiff::NoPostopt => {} + // Disables TypeTree generation + config::AutoDiff::NoTT => {} } } // This helps with handling enums for now. diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index a4dc4eb532f..5271d0b4bb8 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -2,6 +2,7 @@ use std::borrow::{Borrow, Cow}; use std::ops::Deref; use std::{iter, ptr}; +use rustc_ast::expand::typetree::FncTree; pub(crate) mod autodiff; pub(crate) mod gpu_offload; @@ -1107,11 +1108,12 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { src_align: Align, size: &'ll Value, flags: MemFlags, + tt: Option<FncTree>, ) { assert!(!flags.contains(MemFlags::NONTEMPORAL), "non-temporal memcpy not supported"); let size = self.intcast(size, self.type_isize(), false); let is_volatile = flags.contains(MemFlags::VOLATILE); - unsafe { + let memcpy = unsafe { llvm::LLVMRustBuildMemCpy( self.llbuilder, dst, @@ -1120,7 +1122,16 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { src_align.bytes() as c_uint, size, is_volatile, - ); + ) + }; + + // TypeTree metadata for memcpy is especially important: when Enzyme encounters + // a memcpy during autodiff, it needs to know the structure of the data being + // copied to properly track derivatives. For example, copying an array of floats + // vs. copying a struct with mixed types requires different derivative handling. + // The TypeTree tells Enzyme exactly what memory layout to expect. + if let Some(tt) = tt { + crate::typetree::add_tt(self.cx().llmod, self.cx().llcx, memcpy, tt); } } diff --git a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs index b66e3dfdeec..c3485f56391 100644 --- a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs +++ b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs @@ -1,6 +1,7 @@ use std::ptr; use rustc_ast::expand::autodiff_attrs::{AutoDiffAttrs, DiffActivity, DiffMode}; +use rustc_ast::expand::typetree::FncTree; use rustc_codegen_ssa::common::TypeKind; use rustc_codegen_ssa::traits::{BaseTypeCodegenMethods, BuilderMethods}; use rustc_middle::ty::{Instance, PseudoCanonicalInput, TyCtxt, TypingEnv}; @@ -294,6 +295,7 @@ pub(crate) fn generate_enzyme_call<'ll, 'tcx>( fn_args: &[&'ll Value], attrs: AutoDiffAttrs, dest: PlaceRef<'tcx, &'ll Value>, + fnc_tree: FncTree, ) { // We have to pick the name depending on whether we want forward or reverse mode autodiff. let mut ad_name: String = match attrs.mode { @@ -370,6 +372,10 @@ pub(crate) fn generate_enzyme_call<'ll, 'tcx>( fn_args, ); + if !fnc_tree.args.is_empty() || !fnc_tree.ret.0.is_empty() { + crate::typetree::add_tt(cx.llmod, cx.llcx, fn_to_diff, fnc_tree); + } + let call = builder.call(enzyme_ty, None, None, ad_fn, &args, None, None); builder.store_to_place(call, dest.val); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 4ba72cd61a0..4b74c04ed7a 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -117,7 +117,7 @@ fn build_fixed_size_array_di_node<'ll, 'tcx>( .try_to_target_usize(cx.tcx) .expect("expected monomorphic const in codegen") as c_longlong; - let subrange = unsafe { llvm::LLVMRustDIBuilderGetOrCreateSubrange(DIB(cx), 0, upper_bound) }; + let subrange = unsafe { llvm::LLVMDIBuilderGetOrCreateSubrange(DIB(cx), 0, upper_bound) }; let subscripts = &[subrange]; let di_node = unsafe { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 126082aa3aa..af64e4ebed0 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -52,15 +52,6 @@ mod utils; use self::create_scope_map::compute_mir_scopes; pub(crate) use self::metadata::build_global_var_di_node; -// FIXME(Zalathar): These `DW_TAG_*` constants are fake values that were -// removed from LLVM in 2015, and are only used by our own `RustWrapper.cpp` -// to decide which C++ API to call. Instead, we should just have two separate -// FFI functions and choose the correct one on the Rust side. -#[allow(non_upper_case_globals)] -const DW_TAG_auto_variable: c_uint = 0x100; -#[allow(non_upper_case_globals)] -const DW_TAG_arg_variable: c_uint = 0x101; - /// A context object for maintaining all state needed by the debuginfo module. pub(crate) struct CodegenUnitDebugContext<'ll, 'tcx> { llmod: &'ll llvm::Module, @@ -174,35 +165,38 @@ impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> { if direct_offset.bytes() > 0 { addr_ops.push(DW_OP_plus_uconst); - addr_ops.push(direct_offset.bytes() as u64); + addr_ops.push(direct_offset.bytes()); } for &offset in indirect_offsets { addr_ops.push(DW_OP_deref); if offset.bytes() > 0 { addr_ops.push(DW_OP_plus_uconst); - addr_ops.push(offset.bytes() as u64); + addr_ops.push(offset.bytes()); } } if let Some(fragment) = fragment { // `DW_OP_LLVM_fragment` takes as arguments the fragment's // offset and size, both of them in bits. addr_ops.push(DW_OP_LLVM_fragment); - addr_ops.push(fragment.start.bits() as u64); - addr_ops.push((fragment.end - fragment.start).bits() as u64); + addr_ops.push(fragment.start.bits()); + addr_ops.push((fragment.end - fragment.start).bits()); } + let di_builder = DIB(self.cx()); + let addr_expr = unsafe { + llvm::LLVMDIBuilderCreateExpression(di_builder, addr_ops.as_ptr(), addr_ops.len()) + }; unsafe { // FIXME(eddyb) replace `llvm.dbg.declare` with `llvm.dbg.addr`. - llvm::LLVMRustDIBuilderInsertDeclareAtEnd( - DIB(self.cx()), + llvm::LLVMDIBuilderInsertDeclareRecordAtEnd( + di_builder, variable_alloca, dbg_var, - addr_ops.as_ptr(), - addr_ops.len() as c_uint, + addr_expr, dbg_loc, self.llbb(), - ); - } + ) + }; } fn set_dbg_loc(&mut self, dbg_loc: &'ll DILocation) { @@ -630,28 +624,39 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let type_metadata = spanned_type_di_node(self, variable_type, span); - let (argument_index, dwarf_tag) = match variable_kind { - ArgumentVariable(index) => (index as c_uint, DW_TAG_arg_variable), - LocalVariable => (0, DW_TAG_auto_variable), - }; let align = self.align_of(variable_type); let name = variable_name.as_str(); - unsafe { - llvm::LLVMRustDIBuilderCreateVariable( - DIB(self), - dwarf_tag, - scope_metadata, - name.as_c_char_ptr(), - name.len(), - file_metadata, - loc.line, - type_metadata, - true, - DIFlags::FlagZero, - argument_index, - align.bits() as u32, - ) + + match variable_kind { + ArgumentVariable(arg_index) => unsafe { + llvm::LLVMDIBuilderCreateParameterVariable( + DIB(self), + scope_metadata, + name.as_ptr(), + name.len(), + arg_index as c_uint, + file_metadata, + loc.line, + type_metadata, + llvm::Bool::TRUE, // (preserve descriptor during optimizations) + DIFlags::FlagZero, + ) + }, + LocalVariable => unsafe { + llvm::LLVMDIBuilderCreateAutoVariable( + DIB(self), + scope_metadata, + name.as_ptr(), + name.len(), + file_metadata, + loc.line, + type_metadata, + llvm::Bool::TRUE, // (preserve descriptor during optimizations) + DIFlags::FlagZero, + align.bits() as u32, + ) + }, } } } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs index cc1d504b430..7e1e49310f6 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs @@ -28,7 +28,7 @@ pub(crate) fn create_DIArray<'ll>( builder: &DIBuilder<'ll>, arr: &[Option<&'ll DIDescriptor>], ) -> &'ll DIArray { - unsafe { llvm::LLVMRustDIBuilderGetOrCreateArray(builder, arr.as_ptr(), arr.len() as u32) } + unsafe { llvm::LLVMDIBuilderGetOrCreateArray(builder, arr.as_ptr(), arr.len()) } } #[inline] diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 50398a32142..013108d1286 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -1212,6 +1212,9 @@ fn codegen_autodiff<'ll, 'tcx>( &mut diff_attrs.input_activity, ); + let fnc_tree = + rustc_middle::ty::fnc_typetrees(tcx, fn_source.ty(tcx, TypingEnv::fully_monomorphized())); + // Build body generate_enzyme_call( bx, @@ -1222,6 +1225,7 @@ fn codegen_autodiff<'ll, 'tcx>( &val_arr, diff_attrs.clone(), result, + fnc_tree, ); } diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 13bdb7cb1a2..b9584a9117f 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -68,6 +68,7 @@ mod llvm_util; mod mono_item; mod type_; mod type_of; +mod typetree; mod va_arg; mod value; diff --git a/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs index 695435eb6da..e63043b2122 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs @@ -3,9 +3,36 @@ use libc::{c_char, c_uint}; use super::MetadataKindId; -use super::ffi::{AttributeKind, BasicBlock, Metadata, Module, Type, Value}; +use super::ffi::{AttributeKind, BasicBlock, Context, Metadata, Module, Type, Value}; use crate::llvm::{Bool, Builder}; +// TypeTree types +pub(crate) type CTypeTreeRef = *mut EnzymeTypeTree; + +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub(crate) struct EnzymeTypeTree { + _unused: [u8; 0], +} + +#[repr(u32)] +#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] +#[allow(non_camel_case_types)] +pub(crate) enum CConcreteType { + DT_Anything = 0, + DT_Integer = 1, + DT_Pointer = 2, + DT_Half = 3, + DT_Float = 4, + DT_Double = 5, + DT_Unknown = 6, + DT_FP128 = 9, +} + +pub(crate) struct TypeTree { + pub(crate) inner: CTypeTreeRef, +} + #[link(name = "llvm-wrapper", kind = "static")] unsafe extern "C" { // Enzyme @@ -68,10 +95,40 @@ pub(crate) mod Enzyme_AD { use libc::c_void; + use super::{CConcreteType, CTypeTreeRef, Context}; + unsafe extern "C" { pub(crate) fn EnzymeSetCLBool(arg1: *mut ::std::os::raw::c_void, arg2: u8); pub(crate) fn EnzymeSetCLString(arg1: *mut ::std::os::raw::c_void, arg2: *const c_char); } + + // TypeTree functions + unsafe extern "C" { + pub(crate) fn EnzymeNewTypeTree() -> CTypeTreeRef; + pub(crate) fn EnzymeNewTypeTreeCT(arg1: CConcreteType, ctx: &Context) -> CTypeTreeRef; + pub(crate) fn EnzymeNewTypeTreeTR(arg1: CTypeTreeRef) -> CTypeTreeRef; + pub(crate) fn EnzymeFreeTypeTree(CTT: CTypeTreeRef); + pub(crate) fn EnzymeMergeTypeTree(arg1: CTypeTreeRef, arg2: CTypeTreeRef) -> bool; + pub(crate) fn EnzymeTypeTreeOnlyEq(arg1: CTypeTreeRef, pos: i64); + pub(crate) fn EnzymeTypeTreeData0Eq(arg1: CTypeTreeRef); + pub(crate) fn EnzymeTypeTreeShiftIndiciesEq( + arg1: CTypeTreeRef, + data_layout: *const c_char, + offset: i64, + max_size: i64, + add_offset: u64, + ); + pub(crate) fn EnzymeTypeTreeInsertEq( + CTT: CTypeTreeRef, + indices: *const i64, + len: usize, + ct: CConcreteType, + ctx: &Context, + ); + pub(crate) fn EnzymeTypeTreeToString(arg1: CTypeTreeRef) -> *const c_char; + pub(crate) fn EnzymeTypeTreeToStringFree(arg1: *const c_char); + } + unsafe extern "C" { static mut EnzymePrintPerf: c_void; static mut EnzymePrintActivity: c_void; @@ -141,6 +198,67 @@ pub(crate) use self::Fallback_AD::*; pub(crate) mod Fallback_AD { #![allow(unused_variables)] + use libc::c_char; + + use super::{CConcreteType, CTypeTreeRef, Context}; + + // TypeTree function fallbacks + pub(crate) unsafe fn EnzymeNewTypeTree() -> CTypeTreeRef { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeNewTypeTreeCT(arg1: CConcreteType, ctx: &Context) -> CTypeTreeRef { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeNewTypeTreeTR(arg1: CTypeTreeRef) -> CTypeTreeRef { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeFreeTypeTree(CTT: CTypeTreeRef) { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeMergeTypeTree(arg1: CTypeTreeRef, arg2: CTypeTreeRef) -> bool { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeOnlyEq(arg1: CTypeTreeRef, pos: i64) { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeData0Eq(arg1: CTypeTreeRef) { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeShiftIndiciesEq( + arg1: CTypeTreeRef, + data_layout: *const c_char, + offset: i64, + max_size: i64, + add_offset: u64, + ) { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeInsertEq( + CTT: CTypeTreeRef, + indices: *const i64, + len: usize, + ct: CConcreteType, + ctx: &Context, + ) { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeToString(arg1: CTypeTreeRef) -> *const c_char { + unimplemented!() + } + + pub(crate) unsafe fn EnzymeTypeTreeToStringFree(arg1: *const c_char) { + unimplemented!() + } + pub(crate) fn set_inline(val: bool) { unimplemented!() } @@ -169,3 +287,89 @@ pub(crate) mod Fallback_AD { unimplemented!() } } + +impl TypeTree { + pub(crate) fn new() -> TypeTree { + let inner = unsafe { EnzymeNewTypeTree() }; + TypeTree { inner } + } + + pub(crate) fn from_type(t: CConcreteType, ctx: &Context) -> TypeTree { + let inner = unsafe { EnzymeNewTypeTreeCT(t, ctx) }; + TypeTree { inner } + } + + pub(crate) fn merge(self, other: Self) -> Self { + unsafe { + EnzymeMergeTypeTree(self.inner, other.inner); + } + drop(other); + self + } + + #[must_use] + pub(crate) fn shift( + self, + layout: &str, + offset: isize, + max_size: isize, + add_offset: usize, + ) -> Self { + let layout = std::ffi::CString::new(layout).unwrap(); + + unsafe { + EnzymeTypeTreeShiftIndiciesEq( + self.inner, + layout.as_ptr(), + offset as i64, + max_size as i64, + add_offset as u64, + ); + } + + self + } + + pub(crate) fn insert(&mut self, indices: &[i64], ct: CConcreteType, ctx: &Context) { + unsafe { + EnzymeTypeTreeInsertEq(self.inner, indices.as_ptr(), indices.len(), ct, ctx); + } + } +} + +impl Clone for TypeTree { + fn clone(&self) -> Self { + let inner = unsafe { EnzymeNewTypeTreeTR(self.inner) }; + TypeTree { inner } + } +} + +impl std::fmt::Display for TypeTree { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + let ptr = unsafe { EnzymeTypeTreeToString(self.inner) }; + let cstr = unsafe { std::ffi::CStr::from_ptr(ptr) }; + match cstr.to_str() { + Ok(x) => write!(f, "{}", x)?, + Err(err) => write!(f, "could not parse: {}", err)?, + } + + // delete C string pointer + unsafe { + EnzymeTypeTreeToStringFree(ptr); + } + + Ok(()) + } +} + +impl std::fmt::Debug for TypeTree { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + <Self as std::fmt::Display>::fmt(self, f) + } +} + +impl Drop for TypeTree { + fn drop(&mut self) { + unsafe { EnzymeFreeTypeTree(self.inner) } + } +} diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 38a6a311954..afd2991a09c 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -25,8 +25,8 @@ use rustc_target::spec::SymbolVisibility; use super::RustString; use super::debuginfo::{ DIArray, DIBuilder, DIDerivedType, DIDescriptor, DIEnumerator, DIFile, DIFlags, - DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram, DISubrange, - DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind, + DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram, + DITemplateTypeParameter, DIType, DebugEmissionKind, DebugNameTableKind, }; use crate::llvm; @@ -807,6 +807,8 @@ unsafe extern "C" { pub(crate) type Metadata; pub(crate) type BasicBlock; pub(crate) type Comdat; + /// `&'ll DbgRecord` represents `LLVMDbgRecordRef`. + pub(crate) type DbgRecord; } #[repr(C)] pub(crate) struct Builder<'a>(InvariantOpaque<'a>); @@ -891,7 +893,6 @@ pub(crate) mod debuginfo { pub(crate) type DIVariable = DIDescriptor; pub(crate) type DIGlobalVariableExpression = DIDescriptor; pub(crate) type DIArray = DIDescriptor; - pub(crate) type DISubrange = DIDescriptor; pub(crate) type DIEnumerator = DIDescriptor; pub(crate) type DITemplateTypeParameter = DIDescriptor; @@ -1992,6 +1993,59 @@ unsafe extern "C" { Scope: Option<&'ll Metadata>, AlignInBits: u32, // (optional; default is 0) ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderGetOrCreateSubrange<'ll>( + Builder: &DIBuilder<'ll>, + LowerBound: i64, + Count: i64, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderGetOrCreateArray<'ll>( + Builder: &DIBuilder<'ll>, + Data: *const Option<&'ll Metadata>, + NumElements: size_t, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderCreateExpression<'ll>( + Builder: &DIBuilder<'ll>, + Addr: *const u64, + Length: size_t, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderInsertDeclareRecordAtEnd<'ll>( + Builder: &DIBuilder<'ll>, + Storage: &'ll Value, + VarInfo: &'ll Metadata, + Expr: &'ll Metadata, + DebugLoc: &'ll Metadata, + Block: &'ll BasicBlock, + ) -> &'ll DbgRecord; + + pub(crate) fn LLVMDIBuilderCreateAutoVariable<'ll>( + Builder: &DIBuilder<'ll>, + Scope: &'ll Metadata, + Name: *const c_uchar, // See "PTR_LEN_STR". + NameLen: size_t, + File: &'ll Metadata, + LineNo: c_uint, + Ty: &'ll Metadata, + AlwaysPreserve: llvm::Bool, // "If true, this descriptor will survive optimizations." + Flags: DIFlags, + AlignInBits: u32, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderCreateParameterVariable<'ll>( + Builder: &DIBuilder<'ll>, + Scope: &'ll Metadata, + Name: *const c_uchar, // See "PTR_LEN_STR". + NameLen: size_t, + ArgNo: c_uint, + File: &'ll Metadata, + LineNo: c_uint, + Ty: &'ll Metadata, + AlwaysPreserve: llvm::Bool, // "If true, this descriptor will survive optimizations." + Flags: DIFlags, + ) -> &'ll Metadata; } #[link(name = "llvm-wrapper", kind = "static")] @@ -2358,43 +2412,6 @@ unsafe extern "C" { AlignInBits: u32, ) -> &'a DIGlobalVariableExpression; - pub(crate) fn LLVMRustDIBuilderCreateVariable<'a>( - Builder: &DIBuilder<'a>, - Tag: c_uint, - Scope: &'a DIDescriptor, - Name: *const c_char, - NameLen: size_t, - File: &'a DIFile, - LineNo: c_uint, - Ty: &'a DIType, - AlwaysPreserve: bool, - Flags: DIFlags, - ArgNo: c_uint, - AlignInBits: u32, - ) -> &'a DIVariable; - - pub(crate) fn LLVMRustDIBuilderGetOrCreateSubrange<'a>( - Builder: &DIBuilder<'a>, - Lo: i64, - Count: i64, - ) -> &'a DISubrange; - - pub(crate) fn LLVMRustDIBuilderGetOrCreateArray<'a>( - Builder: &DIBuilder<'a>, - Ptr: *const Option<&'a DIDescriptor>, - Count: c_uint, - ) -> &'a DIArray; - - pub(crate) fn LLVMRustDIBuilderInsertDeclareAtEnd<'a>( - Builder: &DIBuilder<'a>, - Val: &'a Value, - VarInfo: &'a DIVariable, - AddrOps: *const u64, - AddrOpsCount: c_uint, - DL: &'a DILocation, - InsertAtEnd: &'a BasicBlock, - ); - pub(crate) fn LLVMRustDIBuilderCreateEnumerator<'a>( Builder: &DIBuilder<'a>, Name: *const c_char, diff --git a/compiler/rustc_codegen_llvm/src/typetree.rs b/compiler/rustc_codegen_llvm/src/typetree.rs new file mode 100644 index 00000000000..7e263503700 --- /dev/null +++ b/compiler/rustc_codegen_llvm/src/typetree.rs @@ -0,0 +1,122 @@ +use rustc_ast::expand::typetree::FncTree; +#[cfg(feature = "llvm_enzyme")] +use { + crate::attributes, + rustc_ast::expand::typetree::TypeTree as RustTypeTree, + std::ffi::{CString, c_char, c_uint}, +}; + +use crate::llvm::{self, Value}; + +#[cfg(feature = "llvm_enzyme")] +fn to_enzyme_typetree( + rust_typetree: RustTypeTree, + _data_layout: &str, + llcx: &llvm::Context, +) -> llvm::TypeTree { + let mut enzyme_tt = llvm::TypeTree::new(); + process_typetree_recursive(&mut enzyme_tt, &rust_typetree, &[], llcx); + enzyme_tt +} +#[cfg(feature = "llvm_enzyme")] +fn process_typetree_recursive( + enzyme_tt: &mut llvm::TypeTree, + rust_typetree: &RustTypeTree, + parent_indices: &[i64], + llcx: &llvm::Context, +) { + for rust_type in &rust_typetree.0 { + let concrete_type = match rust_type.kind { + rustc_ast::expand::typetree::Kind::Anything => llvm::CConcreteType::DT_Anything, + rustc_ast::expand::typetree::Kind::Integer => llvm::CConcreteType::DT_Integer, + rustc_ast::expand::typetree::Kind::Pointer => llvm::CConcreteType::DT_Pointer, + rustc_ast::expand::typetree::Kind::Half => llvm::CConcreteType::DT_Half, + rustc_ast::expand::typetree::Kind::Float => llvm::CConcreteType::DT_Float, + rustc_ast::expand::typetree::Kind::Double => llvm::CConcreteType::DT_Double, + rustc_ast::expand::typetree::Kind::F128 => llvm::CConcreteType::DT_FP128, + rustc_ast::expand::typetree::Kind::Unknown => llvm::CConcreteType::DT_Unknown, + }; + + let mut indices = parent_indices.to_vec(); + if !parent_indices.is_empty() { + indices.push(rust_type.offset as i64); + } else if rust_type.offset == -1 { + indices.push(-1); + } else { + indices.push(rust_type.offset as i64); + } + + enzyme_tt.insert(&indices, concrete_type, llcx); + + if rust_type.kind == rustc_ast::expand::typetree::Kind::Pointer + && !rust_type.child.0.is_empty() + { + process_typetree_recursive(enzyme_tt, &rust_type.child, &indices, llcx); + } + } +} + +#[cfg(feature = "llvm_enzyme")] +pub(crate) fn add_tt<'ll>( + llmod: &'ll llvm::Module, + llcx: &'ll llvm::Context, + fn_def: &'ll Value, + tt: FncTree, +) { + let inputs = tt.args; + let ret_tt: RustTypeTree = tt.ret; + + let llvm_data_layout: *const c_char = unsafe { llvm::LLVMGetDataLayoutStr(&*llmod) }; + let llvm_data_layout = + std::str::from_utf8(unsafe { std::ffi::CStr::from_ptr(llvm_data_layout) }.to_bytes()) + .expect("got a non-UTF8 data-layout from LLVM"); + + let attr_name = "enzyme_type"; + let c_attr_name = CString::new(attr_name).unwrap(); + + for (i, input) in inputs.iter().enumerate() { + unsafe { + let enzyme_tt = to_enzyme_typetree(input.clone(), llvm_data_layout, llcx); + let c_str = llvm::EnzymeTypeTreeToString(enzyme_tt.inner); + let c_str = std::ffi::CStr::from_ptr(c_str); + + let attr = llvm::LLVMCreateStringAttribute( + llcx, + c_attr_name.as_ptr(), + c_attr_name.as_bytes().len() as c_uint, + c_str.as_ptr(), + c_str.to_bytes().len() as c_uint, + ); + + attributes::apply_to_llfn(fn_def, llvm::AttributePlace::Argument(i as u32), &[attr]); + llvm::EnzymeTypeTreeToStringFree(c_str.as_ptr()); + } + } + + unsafe { + let enzyme_tt = to_enzyme_typetree(ret_tt, llvm_data_layout, llcx); + let c_str = llvm::EnzymeTypeTreeToString(enzyme_tt.inner); + let c_str = std::ffi::CStr::from_ptr(c_str); + + let ret_attr = llvm::LLVMCreateStringAttribute( + llcx, + c_attr_name.as_ptr(), + c_attr_name.as_bytes().len() as c_uint, + c_str.as_ptr(), + c_str.to_bytes().len() as c_uint, + ); + + attributes::apply_to_llfn(fn_def, llvm::AttributePlace::ReturnValue, &[ret_attr]); + llvm::EnzymeTypeTreeToStringFree(c_str.as_ptr()); + } +} + +#[cfg(not(feature = "llvm_enzyme"))] +pub(crate) fn add_tt<'ll>( + _llmod: &'ll llvm::Module, + _llcx: &'ll llvm::Context, + _fn_def: &'ll Value, + _tt: FncTree, +) { + unimplemented!() +} diff --git a/compiler/rustc_codegen_llvm/src/va_arg.rs b/compiler/rustc_codegen_llvm/src/va_arg.rs index ab08125217f..d48c7cf874a 100644 --- a/compiler/rustc_codegen_llvm/src/va_arg.rs +++ b/compiler/rustc_codegen_llvm/src/va_arg.rs @@ -738,6 +738,7 @@ fn copy_to_temporary_if_more_aligned<'ll, 'tcx>( src_align, bx.const_u32(layout.layout.size().bytes() as u32), MemFlags::empty(), + None, ); tmp } else { diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 1b218a0d339..b2dc4fe32b0 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -1626,6 +1626,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { align, bx.const_usize(copy_bytes), MemFlags::empty(), + None, ); // ...and then load it with the ABI type. llval = load_cast(bx, cast, llscratch, scratch_align); diff --git a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs index 3c667b8e882..befa00c6861 100644 --- a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs +++ b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs @@ -30,7 +30,7 @@ fn copy_intrinsic<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( if allow_overlap { bx.memmove(dst, align, src, align, size, flags); } else { - bx.memcpy(dst, align, src, align, size, flags); + bx.memcpy(dst, align, src, align, size, flags, None); } } diff --git a/compiler/rustc_codegen_ssa/src/mir/statement.rs b/compiler/rustc_codegen_ssa/src/mir/statement.rs index f164e0f9123..0a50d7f18db 100644 --- a/compiler/rustc_codegen_ssa/src/mir/statement.rs +++ b/compiler/rustc_codegen_ssa/src/mir/statement.rs @@ -90,7 +90,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let align = pointee_layout.align; let dst = dst_val.immediate(); let src = src_val.immediate(); - bx.memcpy(dst, align, src, align, bytes, crate::MemFlags::empty()); + bx.memcpy(dst, align, src, align, bytes, crate::MemFlags::empty(), None); } mir::StatementKind::FakeRead(..) | mir::StatementKind::Retag { .. } diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs index 4a5694e97fa..60296e36e0c 100644 --- a/compiler/rustc_codegen_ssa/src/traits/builder.rs +++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs @@ -451,6 +451,7 @@ pub trait BuilderMethods<'a, 'tcx>: src_align: Align, size: Self::Value, flags: MemFlags, + tt: Option<rustc_ast::expand::typetree::FncTree>, ); fn memmove( &mut self, @@ -507,7 +508,7 @@ pub trait BuilderMethods<'a, 'tcx>: temp.val.store_with_flags(self, dst.with_type(layout), flags); } else if !layout.is_zst() { let bytes = self.const_usize(layout.size.bytes()); - self.memcpy(dst.llval, dst.align, src.llval, src.align, bytes, flags); + self.memcpy(dst.llval, dst.align, src.llval, src.align, bytes, flags, None); } } diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index b286ae3eb23..e63f29a9570 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -550,7 +550,7 @@ declare_features! ( /// Allows fused `loop`/`match` for direct intraprocedural jumps. (incomplete, loop_match, "1.90.0", Some(132306)), /// Allow `macro_rules!` attribute rules - (unstable, macro_attr, "1.91.0", Some(83527)), + (unstable, macro_attr, "1.91.0", Some(143547)), /// Allow `macro_rules!` derive rules (unstable, macro_derive, "1.91.0", Some(143549)), /// Give access to additional metadata about declarative macro meta-variables. diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index 2e099a97b65..311cf8f995c 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -440,6 +440,7 @@ language_item_table! { // Reborrowing related lang-items Reborrow, sym::reborrow, reborrow, Target::Trait, GenericRequirement::Exact(0); + CoerceShared, sym::coerce_shared, coerce_shared, Target::Trait, GenericRequirement::Exact(0); } /// The requirement imposed on the generics of a lang item diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 800f5efee41..7e5186db4ea 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -765,7 +765,7 @@ fn test_unstable_options_tracking_hash() { tracked!(allow_features, Some(vec![String::from("lang_items")])); tracked!(always_encode_mir, true); tracked!(assume_incomplete_release, true); - tracked!(autodiff, vec![AutoDiff::Enable]); + tracked!(autodiff, vec![AutoDiff::Enable, AutoDiff::NoTT]); tracked!(binary_dep_depinfo, true); tracked!(box_noalias, false); tracked!( diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index 013d68fa3e4..2e9fd6754f1 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -569,25 +569,43 @@ extern "C" LLVMRustResult LLVMRustOptimize( } std::optional<PGOOptions> PGOOpt; +#if LLVM_VERSION_LT(22, 0) auto FS = vfs::getRealFileSystem(); +#endif if (PGOGenPath) { assert(!PGOUsePath && !PGOSampleUsePath); PGOOpt = PGOOptions( +#if LLVM_VERSION_GE(22, 0) + PGOGenPath, "", "", "", PGOOptions::IRInstr, PGOOptions::NoCSAction, +#else PGOGenPath, "", "", "", FS, PGOOptions::IRInstr, PGOOptions::NoCSAction, +#endif PGOOptions::ColdFuncOpt::Default, DebugInfoForProfiling); } else if (PGOUsePath) { assert(!PGOSampleUsePath); PGOOpt = PGOOptions( +#if LLVM_VERSION_GE(22, 0) + PGOUsePath, "", "", "", PGOOptions::IRUse, PGOOptions::NoCSAction, +#else PGOUsePath, "", "", "", FS, PGOOptions::IRUse, PGOOptions::NoCSAction, +#endif PGOOptions::ColdFuncOpt::Default, DebugInfoForProfiling); } else if (PGOSampleUsePath) { PGOOpt = +#if LLVM_VERSION_GE(22, 0) + PGOOptions(PGOSampleUsePath, "", "", "", PGOOptions::SampleUse, +#else PGOOptions(PGOSampleUsePath, "", "", "", FS, PGOOptions::SampleUse, +#endif PGOOptions::NoCSAction, PGOOptions::ColdFuncOpt::Default, DebugInfoForProfiling); } else if (DebugInfoForProfiling) { PGOOpt = PGOOptions( +#if LLVM_VERSION_GE(22, 0) + "", "", "", "", PGOOptions::NoAction, PGOOptions::NoCSAction, +#else "", "", "", "", FS, PGOOptions::NoAction, PGOOptions::NoCSAction, +#endif PGOOptions::ColdFuncOpt::Default, DebugInfoForProfiling); } diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp index 9953f5e1731..4a778125918 100644 --- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp @@ -990,14 +990,6 @@ extern "C" void LLVMRustGlobalAddMetadata(LLVMValueRef Global, unsigned Kind, unwrap<GlobalObject>(Global)->addMetadata(Kind, *unwrap<MDNode>(MD)); } -extern "C" LLVMDIBuilderRef LLVMRustDIBuilderCreate(LLVMModuleRef M) { - return wrap(new DIBuilder(*unwrap(M))); -} - -extern "C" void LLVMRustDIBuilderDispose(LLVMDIBuilderRef Builder) { - delete unwrap(Builder); -} - extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateCompileUnit( LLVMDIBuilderRef Builder, unsigned Lang, LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen, bool isOptimized, @@ -1129,51 +1121,6 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable( return wrap(VarExpr); } -extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable( - LLVMDIBuilderRef Builder, unsigned Tag, LLVMMetadataRef Scope, - const char *Name, size_t NameLen, LLVMMetadataRef File, unsigned LineNo, - LLVMMetadataRef Ty, bool AlwaysPreserve, LLVMDIFlags Flags, unsigned ArgNo, - uint32_t AlignInBits) { - if (Tag == 0x100) { // DW_TAG_auto_variable - return wrap(unwrap(Builder)->createAutoVariable( - unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), - unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, - fromRust(Flags), AlignInBits)); - } else { - return wrap(unwrap(Builder)->createParameterVariable( - unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen), ArgNo, - unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), AlwaysPreserve, - fromRust(Flags))); - } -} - -extern "C" LLVMMetadataRef -LLVMRustDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder, int64_t Lo, - int64_t Count) { - return wrap(unwrap(Builder)->getOrCreateSubrange(Lo, Count)); -} - -extern "C" LLVMMetadataRef -LLVMRustDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder, - LLVMMetadataRef *Ptr, unsigned Count) { - Metadata **DataValue = unwrap(Ptr); - return wrap(unwrap(Builder) - ->getOrCreateArray(ArrayRef<Metadata *>(DataValue, Count)) - .get()); -} - -extern "C" void -LLVMRustDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef Builder, LLVMValueRef V, - LLVMMetadataRef VarInfo, uint64_t *AddrOps, - unsigned AddrOpsCount, LLVMMetadataRef DL, - LLVMBasicBlockRef InsertAtEnd) { - unwrap(Builder)->insertDeclare( - unwrap(V), unwrap<DILocalVariable>(VarInfo), - unwrap(Builder)->createExpression( - llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)), - DebugLoc(cast<MDNode>(unwrap(DL))), unwrap(InsertAtEnd)); -} - extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerator(LLVMDIBuilderRef Builder, const char *Name, size_t NameLen, const uint64_t Value[2], @@ -1865,3 +1812,15 @@ extern "C" void LLVMRustSetNoSanitizeHWAddress(LLVMValueRef Global) { MD.NoHWAddress = true; GV.setSanitizerMetadata(MD); } + +#ifdef ENZYME +extern "C" { +extern llvm::cl::opt<unsigned> EnzymeMaxTypeDepth; +} + +extern "C" size_t LLVMRustEnzymeGetMaxTypeDepth() { return EnzymeMaxTypeDepth; } +#else +extern "C" size_t LLVMRustEnzymeGetMaxTypeDepth() { + return 6; // Default fallback depth +} +#endif diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 0c8d1f32e99..b895feb9062 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -1555,7 +1555,7 @@ impl<'a> CrateMetadataRef<'a> { } #[inline] - fn def_path_hash_to_def_index(self, hash: DefPathHash) -> DefIndex { + fn def_path_hash_to_def_index(self, hash: DefPathHash) -> Option<DefIndex> { self.def_path_hash_map.def_path_hash_to_def_index(&hash) } diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 11fef3be5d0..df3add316ec 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -691,8 +691,8 @@ fn provide_cstore_hooks(providers: &mut Providers) { .get(&stable_crate_id) .unwrap_or_else(|| bug!("uninterned StableCrateId: {stable_crate_id:?}")); assert_ne!(cnum, LOCAL_CRATE); - let def_index = cstore.get_crate_data(cnum).def_path_hash_to_def_index(hash); - DefId { krate: cnum, index: def_index } + let def_index = cstore.get_crate_data(cnum).def_path_hash_to_def_index(hash)?; + Some(DefId { krate: cnum, index: def_index }) }; providers.hooks.expn_hash_to_expn_id = |tcx, cnum, index_guess, hash| { diff --git a/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs b/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs index f3917b55782..a17b3e1047d 100644 --- a/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs +++ b/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs @@ -12,11 +12,12 @@ pub(crate) enum DefPathHashMapRef<'tcx> { impl DefPathHashMapRef<'_> { #[inline] - pub(crate) fn def_path_hash_to_def_index(&self, def_path_hash: &DefPathHash) -> DefIndex { + pub(crate) fn def_path_hash_to_def_index( + &self, + def_path_hash: &DefPathHash, + ) -> Option<DefIndex> { match *self { - DefPathHashMapRef::OwnedFromMetadata(ref map) => { - map.get(&def_path_hash.local_hash()).unwrap() - } + DefPathHashMapRef::OwnedFromMetadata(ref map) => map.get(&def_path_hash.local_hash()), DefPathHashMapRef::BorrowedFromTcx(_) => { panic!("DefPathHashMap::BorrowedFromTcx variant only exists for serialization") } diff --git a/compiler/rustc_middle/src/error.rs b/compiler/rustc_middle/src/error.rs index 0be26712b9c..3ff9eea8cc4 100644 --- a/compiler/rustc_middle/src/error.rs +++ b/compiler/rustc_middle/src/error.rs @@ -37,7 +37,6 @@ pub(crate) struct OpaqueHiddenTypeMismatch<'tcx> { pub sub: TypeMismatchReason, } -// FIXME(autodiff): I should get used somewhere #[derive(Diagnostic)] #[diag(middle_unsupported_union)] pub struct UnsupportedUnion { diff --git a/compiler/rustc_middle/src/hooks/mod.rs b/compiler/rustc_middle/src/hooks/mod.rs index 9d2f0a45237..dc6a3334a4c 100644 --- a/compiler/rustc_middle/src/hooks/mod.rs +++ b/compiler/rustc_middle/src/hooks/mod.rs @@ -77,7 +77,7 @@ declare_hooks! { /// session, if it still exists. This is used during incremental compilation to /// turn a deserialized `DefPathHash` into its current `DefId`. /// Will fetch a DefId from a DefPathHash for a foreign crate. - hook def_path_hash_to_def_id_extern(hash: DefPathHash, stable_crate_id: StableCrateId) -> DefId; + hook def_path_hash_to_def_id_extern(hash: DefPathHash, stable_crate_id: StableCrateId) -> Option<DefId>; /// Returns `true` if we should codegen an instance in the local crate, or returns `false` if we /// can just link to the upstream crate and therefore don't need a mono item. diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index a42af7bb3e3..fe3fa024cd5 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -2012,7 +2012,7 @@ impl<'tcx> TyCtxt<'tcx> { if stable_crate_id == self.stable_crate_id(LOCAL_CRATE) { Some(self.untracked.definitions.read().local_def_path_hash_to_def_id(hash)?.to_def_id()) } else { - Some(self.def_path_hash_to_def_id_extern(hash, stable_crate_id)) + self.def_path_hash_to_def_id_extern(hash, stable_crate_id) } } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 0ffef393a33..ce4de6b95e0 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -25,6 +25,7 @@ pub use generic_args::{GenericArgKind, TermKind, *}; pub use generics::*; pub use intrinsic::IntrinsicDef; use rustc_abi::{Align, FieldIdx, Integer, IntegerType, ReprFlags, ReprOptions, VariantIdx}; +use rustc_ast::expand::typetree::{FncTree, Kind, Type, TypeTree}; use rustc_ast::node_id::NodeMap; pub use rustc_ast_ir::{Movability, Mutability, try_visit}; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet}; @@ -62,7 +63,7 @@ pub use rustc_type_ir::solve::SizedTraitKind; pub use rustc_type_ir::*; #[allow(hidden_glob_reexports, unused_imports)] use rustc_type_ir::{InferCtxtLike, Interner}; -use tracing::{debug, instrument}; +use tracing::{debug, instrument, trace}; pub use vtable::*; use {rustc_ast as ast, rustc_hir as hir}; @@ -2216,3 +2217,225 @@ pub struct DestructuredConst<'tcx> { pub variant: Option<VariantIdx>, pub fields: &'tcx [ty::Const<'tcx>], } + +/// Generate TypeTree information for autodiff. +/// This function creates TypeTree metadata that describes the memory layout +/// of function parameters and return types for Enzyme autodiff. +pub fn fnc_typetrees<'tcx>(tcx: TyCtxt<'tcx>, fn_ty: Ty<'tcx>) -> FncTree { + // Check if TypeTrees are disabled via NoTT flag + if tcx.sess.opts.unstable_opts.autodiff.contains(&rustc_session::config::AutoDiff::NoTT) { + return FncTree { args: vec![], ret: TypeTree::new() }; + } + + // Check if this is actually a function type + if !fn_ty.is_fn() { + return FncTree { args: vec![], ret: TypeTree::new() }; + } + + // Get the function signature + let fn_sig = fn_ty.fn_sig(tcx); + let sig = tcx.instantiate_bound_regions_with_erased(fn_sig); + + // Create TypeTrees for each input parameter + let mut args = vec![]; + for ty in sig.inputs().iter() { + let type_tree = typetree_from_ty(tcx, *ty); + args.push(type_tree); + } + + // Create TypeTree for return type + let ret = typetree_from_ty(tcx, sig.output()); + + FncTree { args, ret } +} + +/// Generate TypeTree for a specific type. +/// This function analyzes a Rust type and creates appropriate TypeTree metadata. +pub fn typetree_from_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> TypeTree { + let mut visited = Vec::new(); + typetree_from_ty_inner(tcx, ty, 0, &mut visited) +} + +/// Maximum recursion depth for TypeTree generation to prevent stack overflow +/// from pathological deeply nested types. Combined with cycle detection. +const MAX_TYPETREE_DEPTH: usize = 6; + +/// Internal recursive function for TypeTree generation with cycle detection and depth limiting. +fn typetree_from_ty_inner<'tcx>( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, + depth: usize, + visited: &mut Vec<Ty<'tcx>>, +) -> TypeTree { + if depth >= MAX_TYPETREE_DEPTH { + trace!("typetree depth limit {} reached for type: {}", MAX_TYPETREE_DEPTH, ty); + return TypeTree::new(); + } + + if visited.contains(&ty) { + return TypeTree::new(); + } + + visited.push(ty); + let result = typetree_from_ty_impl(tcx, ty, depth, visited); + visited.pop(); + result +} + +/// Implementation of TypeTree generation logic. +fn typetree_from_ty_impl<'tcx>( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, + depth: usize, + visited: &mut Vec<Ty<'tcx>>, +) -> TypeTree { + typetree_from_ty_impl_inner(tcx, ty, depth, visited, false) +} + +/// Internal implementation with context about whether this is for a reference target. +fn typetree_from_ty_impl_inner<'tcx>( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, + depth: usize, + visited: &mut Vec<Ty<'tcx>>, + is_reference_target: bool, +) -> TypeTree { + if ty.is_scalar() { + let (kind, size) = if ty.is_integral() || ty.is_char() || ty.is_bool() { + (Kind::Integer, ty.primitive_size(tcx).bytes_usize()) + } else if ty.is_floating_point() { + match ty { + x if x == tcx.types.f16 => (Kind::Half, 2), + x if x == tcx.types.f32 => (Kind::Float, 4), + x if x == tcx.types.f64 => (Kind::Double, 8), + x if x == tcx.types.f128 => (Kind::F128, 16), + _ => (Kind::Integer, 0), + } + } else { + (Kind::Integer, 0) + }; + + // Use offset 0 for scalars that are direct targets of references (like &f64) + // Use offset -1 for scalars used directly (like function return types) + let offset = if is_reference_target && !ty.is_array() { 0 } else { -1 }; + return TypeTree(vec![Type { offset, size, kind, child: TypeTree::new() }]); + } + + if ty.is_ref() || ty.is_raw_ptr() || ty.is_box() { + let inner_ty = if let Some(inner) = ty.builtin_deref(true) { + inner + } else { + return TypeTree::new(); + }; + + let child = typetree_from_ty_impl_inner(tcx, inner_ty, depth + 1, visited, true); + return TypeTree(vec![Type { + offset: -1, + size: tcx.data_layout.pointer_size().bytes_usize(), + kind: Kind::Pointer, + child, + }]); + } + + if ty.is_array() { + if let ty::Array(element_ty, len_const) = ty.kind() { + let len = len_const.try_to_target_usize(tcx).unwrap_or(0); + if len == 0 { + return TypeTree::new(); + } + let element_tree = + typetree_from_ty_impl_inner(tcx, *element_ty, depth + 1, visited, false); + let mut types = Vec::new(); + for elem_type in &element_tree.0 { + types.push(Type { + offset: -1, + size: elem_type.size, + kind: elem_type.kind, + child: elem_type.child.clone(), + }); + } + + return TypeTree(types); + } + } + + if ty.is_slice() { + if let ty::Slice(element_ty) = ty.kind() { + let element_tree = + typetree_from_ty_impl_inner(tcx, *element_ty, depth + 1, visited, false); + return element_tree; + } + } + + if let ty::Tuple(tuple_types) = ty.kind() { + if tuple_types.is_empty() { + return TypeTree::new(); + } + + let mut types = Vec::new(); + let mut current_offset = 0; + + for tuple_ty in tuple_types.iter() { + let element_tree = + typetree_from_ty_impl_inner(tcx, tuple_ty, depth + 1, visited, false); + + let element_layout = tcx + .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(tuple_ty)) + .ok() + .map(|layout| layout.size.bytes_usize()) + .unwrap_or(0); + + for elem_type in &element_tree.0 { + types.push(Type { + offset: if elem_type.offset == -1 { + current_offset as isize + } else { + current_offset as isize + elem_type.offset + }, + size: elem_type.size, + kind: elem_type.kind, + child: elem_type.child.clone(), + }); + } + + current_offset += element_layout; + } + + return TypeTree(types); + } + + if let ty::Adt(adt_def, args) = ty.kind() { + if adt_def.is_struct() { + let struct_layout = + tcx.layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(ty)); + if let Ok(layout) = struct_layout { + let mut types = Vec::new(); + + for (field_idx, field_def) in adt_def.all_fields().enumerate() { + let field_ty = field_def.ty(tcx, args); + let field_tree = + typetree_from_ty_impl_inner(tcx, field_ty, depth + 1, visited, false); + + let field_offset = layout.fields.offset(field_idx).bytes_usize(); + + for elem_type in &field_tree.0 { + types.push(Type { + offset: if elem_type.offset == -1 { + field_offset as isize + } else { + field_offset as isize + elem_type.offset + }, + size: elem_type.size, + kind: elem_type.kind, + child: elem_type.child.clone(), + }); + } + } + + return TypeTree(types); + } + } + } + + TypeTree::new() +} diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index b5e165c7517..195d45c2c4c 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -554,6 +554,21 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> { visit::walk_expr(self, &self.thir[arg]); return; } + + // Secondly, we allow raw borrows of union field accesses. Peel + // any of those off, and recurse normally on the LHS, which should + // reject any unsafe operations within. + let mut peeled = arg; + while let ExprKind::Scope { value: arg, .. } = self.thir[peeled].kind + && let ExprKind::Field { lhs, name: _, variant_index: _ } = self.thir[arg].kind + && let ty::Adt(def, _) = &self.thir[lhs].ty.kind() + && def.is_union() + { + peeled = lhs; + } + visit::walk_expr(self, &self.thir[peeled]); + // And return so we don't recurse directly onto the union field access(es). + return; } ExprKind::Deref { arg } => { if let ExprKind::StaticRef { def_id, .. } | ExprKind::ThreadLocalRef(def_id) = diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index ae67bb5075e..3929a97eed8 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -1275,13 +1275,13 @@ fn report_non_exhaustive_match<'p, 'tcx>( if ty.is_ptr_sized_integral() { if ty.inner() == cx.tcx.types.usize { err.note(format!( - "`{ty}` does not have a fixed maximum value, so half-open ranges are \ - necessary to match exhaustively", + "`{ty}::MAX` is not treated as exhaustive, \ + so half-open ranges are necessary to match exhaustively", )); } else if ty.inner() == cx.tcx.types.isize { err.note(format!( - "`{ty}` does not have fixed minimum and maximum values, so half-open \ - ranges are necessary to match exhaustively", + "`{ty}::MIN` and `{ty}::MAX` are not treated as exhaustive, \ + so half-open ranges are necessary to match exhaustively", )); } } else if ty.inner() == cx.tcx.types.str_ { diff --git a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs index aa9dfc9a9a2..109c8476ccb 100644 --- a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs +++ b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs @@ -74,20 +74,28 @@ where } } - fn is_initial_provisional_result( - cx: Self::Cx, - kind: PathKind, - input: CanonicalInput<I>, - result: QueryResult<I>, - ) -> bool { - Self::initial_provisional_result(cx, kind, input) == result + fn is_initial_provisional_result(result: QueryResult<I>) -> Option<PathKind> { + match result { + Ok(response) => { + if has_no_inference_or_external_constraints(response) { + if response.value.certainty == Certainty::Yes { + return Some(PathKind::Coinductive); + } else if response.value.certainty == Certainty::overflow(false) { + return Some(PathKind::Unknown); + } + } + + None + } + Err(NoSolution) => Some(PathKind::Inductive), + } } - fn on_stack_overflow(cx: I, input: CanonicalInput<I>) -> QueryResult<I> { + fn stack_overflow_result(cx: I, input: CanonicalInput<I>) -> QueryResult<I> { response_no_constraints(cx, input, Certainty::overflow(true)) } - fn on_fixpoint_overflow(cx: I, input: CanonicalInput<I>) -> QueryResult<I> { + fn fixpoint_overflow_result(cx: I, input: CanonicalInput<I>) -> QueryResult<I> { response_no_constraints(cx, input, Certainty::overflow(false)) } diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index ebb6a93b1dd..811f2890fe3 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -258,6 +258,8 @@ pub enum AutoDiff { LooseTypes, /// Runs Enzyme's aggressive inlining Inline, + /// Disable Type Tree + NoTT, } /// Settings for `-Z instrument-xray` flag. diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index b2cc169f12c..732cf61effc 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -792,7 +792,7 @@ mod desc { pub(crate) const parse_list: &str = "a space-separated list of strings"; pub(crate) const parse_list_with_polarity: &str = "a comma-separated list of strings, with elements beginning with + or -"; - pub(crate) const parse_autodiff: &str = "a comma separated list of settings: `Enable`, `PrintSteps`, `PrintTA`, `PrintTAFn`, `PrintAA`, `PrintPerf`, `PrintModBefore`, `PrintModAfter`, `PrintModFinal`, `PrintPasses`, `NoPostopt`, `LooseTypes`, `Inline`"; + pub(crate) const parse_autodiff: &str = "a comma separated list of settings: `Enable`, `PrintSteps`, `PrintTA`, `PrintTAFn`, `PrintAA`, `PrintPerf`, `PrintModBefore`, `PrintModAfter`, `PrintModFinal`, `PrintPasses`, `NoPostopt`, `LooseTypes`, `Inline`, `NoTT`"; pub(crate) const parse_offload: &str = "a comma separated list of settings: `Enable`"; pub(crate) const parse_comma_list: &str = "a comma-separated list of strings"; pub(crate) const parse_opt_comma_list: &str = parse_comma_list; @@ -1481,6 +1481,7 @@ pub mod parse { "PrintPasses" => AutoDiff::PrintPasses, "LooseTypes" => AutoDiff::LooseTypes, "Inline" => AutoDiff::Inline, + "NoTT" => AutoDiff::NoTT, _ => { // FIXME(ZuseZ4): print an error saying which value is not recognized return false; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index cd422da0c1c..63b0de377c9 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -679,6 +679,7 @@ symbols! { cmpxchg16b_target_feature, cmse_nonsecure_entry, coerce_pointee_validated, + coerce_shared, coerce_unsized, cold, cold_path, diff --git a/compiler/rustc_type_ir/src/search_graph/mod.rs b/compiler/rustc_type_ir/src/search_graph/mod.rs index 8f8f019510f..7aa58d096d5 100644 --- a/compiler/rustc_type_ir/src/search_graph/mod.rs +++ b/compiler/rustc_type_ir/src/search_graph/mod.rs @@ -86,14 +86,12 @@ pub trait Delegate: Sized { kind: PathKind, input: <Self::Cx as Cx>::Input, ) -> <Self::Cx as Cx>::Result; - fn is_initial_provisional_result( + fn is_initial_provisional_result(result: <Self::Cx as Cx>::Result) -> Option<PathKind>; + fn stack_overflow_result( cx: Self::Cx, - kind: PathKind, input: <Self::Cx as Cx>::Input, - result: <Self::Cx as Cx>::Result, - ) -> bool; - fn on_stack_overflow(cx: Self::Cx, input: <Self::Cx as Cx>::Input) -> <Self::Cx as Cx>::Result; - fn on_fixpoint_overflow( + ) -> <Self::Cx as Cx>::Result; + fn fixpoint_overflow_result( cx: Self::Cx, input: <Self::Cx as Cx>::Input, ) -> <Self::Cx as Cx>::Result; @@ -215,6 +213,27 @@ impl HeadUsages { let HeadUsages { inductive, unknown, coinductive, forced_ambiguity } = self; inductive == 0 && unknown == 0 && coinductive == 0 && forced_ambiguity == 0 } + + fn is_single(self, path_kind: PathKind) -> bool { + match path_kind { + PathKind::Inductive => matches!( + self, + HeadUsages { inductive: _, unknown: 0, coinductive: 0, forced_ambiguity: 0 }, + ), + PathKind::Unknown => matches!( + self, + HeadUsages { inductive: 0, unknown: _, coinductive: 0, forced_ambiguity: 0 }, + ), + PathKind::Coinductive => matches!( + self, + HeadUsages { inductive: 0, unknown: 0, coinductive: _, forced_ambiguity: 0 }, + ), + PathKind::ForcedAmbiguity => matches!( + self, + HeadUsages { inductive: 0, unknown: 0, coinductive: 0, forced_ambiguity: _ }, + ), + } + } } #[derive(Debug, Default)] @@ -869,7 +888,7 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { } debug!("encountered stack overflow"); - D::on_stack_overflow(cx, input) + D::stack_overflow_result(cx, input) } /// When reevaluating a goal with a changed provisional result, all provisional cache entry @@ -888,7 +907,29 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { !entries.is_empty() }); } +} +/// We need to rebase provisional cache entries when popping one of their cycle +/// heads from the stack. This may not necessarily mean that we've actually +/// reached a fixpoint for that cycle head, which impacts the way we rebase +/// provisional cache entries. +enum RebaseReason { + NoCycleUsages, + Ambiguity, + Overflow, + /// We've actually reached a fixpoint. + /// + /// This either happens in the first evaluation step for the cycle head. + /// In this case the used provisional result depends on the cycle `PathKind`. + /// We store this path kind to check whether the the provisional cache entry + /// we're rebasing relied on the same cycles. + /// + /// In later iterations cycles always return `stack_entry.provisional_result` + /// so we no longer depend on the `PathKind`. We store `None` in that case. + ReachedFixpoint(Option<PathKind>), +} + +impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D, X> { /// A necessary optimization to handle complex solver cycles. A provisional cache entry /// relies on a set of cycle heads and the path towards these heads. When popping a cycle /// head from the stack after we've finished computing it, we can't be sure that the @@ -908,8 +949,9 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { /// to me. fn rebase_provisional_cache_entries( &mut self, + cx: X, stack_entry: &StackEntry<X>, - mut mutate_result: impl FnMut(X::Input, X::Result) -> X::Result, + rebase_reason: RebaseReason, ) { let popped_head_index = self.stack.next_index(); #[allow(rustc::potential_query_instability)] @@ -927,6 +969,10 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { return true; }; + let Some(new_highest_head_index) = heads.opt_highest_cycle_head_index() else { + return false; + }; + // We're rebasing an entry `e` over a head `p`. This head // has a number of own heads `h` it depends on. // @@ -977,22 +1023,37 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { let eph = ep.extend_with_paths(ph); heads.insert(head_index, eph, head.usages); } - } - let Some(head_index) = heads.opt_highest_cycle_head_index() else { - return false; - }; + // The provisional cache entry does depend on the provisional result + // of the popped cycle head. We need to mutate the result of our + // provisional cache entry in case we did not reach a fixpoint. + match rebase_reason { + // If the cycle head does not actually depend on itself, then + // the provisional result used by the provisional cache entry + // is not actually equal to the final provisional result. We + // need to discard the provisional cache entry in this case. + RebaseReason::NoCycleUsages => return false, + RebaseReason::Ambiguity => { + *result = D::propagate_ambiguity(cx, input, *result); + } + RebaseReason::Overflow => *result = D::fixpoint_overflow_result(cx, input), + RebaseReason::ReachedFixpoint(None) => {} + RebaseReason::ReachedFixpoint(Some(path_kind)) => { + if !popped_head.usages.is_single(path_kind) { + return false; + } + } + }; + } // We now care about the path from the next highest cycle head to the // provisional cache entry. *path_from_head = path_from_head.extend(Self::cycle_path_kind( &self.stack, stack_entry.step_kind_from_parent, - head_index, + new_highest_head_index, )); - // Mutate the result of the provisional cache entry in case we did - // not reach a fixpoint. - *result = mutate_result(input, *result); + true }); !entries.is_empty() @@ -1209,33 +1270,19 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { /// Whether we've reached a fixpoint when evaluating a cycle head. fn reached_fixpoint( &mut self, - cx: X, stack_entry: &StackEntry<X>, usages: HeadUsages, result: X::Result, - ) -> bool { + ) -> Result<Option<PathKind>, ()> { let provisional_result = stack_entry.provisional_result; - if usages.is_empty() { - true - } else if let Some(provisional_result) = provisional_result { - provisional_result == result + if let Some(provisional_result) = provisional_result { + if provisional_result == result { Ok(None) } else { Err(()) } + } else if let Some(path_kind) = D::is_initial_provisional_result(result) + .filter(|&path_kind| usages.is_single(path_kind)) + { + Ok(Some(path_kind)) } else { - let check = |k| D::is_initial_provisional_result(cx, k, stack_entry.input, result); - match usages { - HeadUsages { inductive: _, unknown: 0, coinductive: 0, forced_ambiguity: 0 } => { - check(PathKind::Inductive) - } - HeadUsages { inductive: 0, unknown: _, coinductive: 0, forced_ambiguity: 0 } => { - check(PathKind::Unknown) - } - HeadUsages { inductive: 0, unknown: 0, coinductive: _, forced_ambiguity: 0 } => { - check(PathKind::Coinductive) - } - HeadUsages { inductive: 0, unknown: 0, coinductive: 0, forced_ambiguity: _ } => { - check(PathKind::ForcedAmbiguity) - } - _ => false, - } + Err(()) } } @@ -1280,8 +1327,19 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { // is equal to the provisional result of the previous iteration, or because // this was only the head of either coinductive or inductive cycles, and the // final result is equal to the initial response for that case. - if self.reached_fixpoint(cx, &stack_entry, usages, result) { - self.rebase_provisional_cache_entries(&stack_entry, |_, result| result); + if let Ok(fixpoint) = self.reached_fixpoint(&stack_entry, usages, result) { + self.rebase_provisional_cache_entries( + cx, + &stack_entry, + RebaseReason::ReachedFixpoint(fixpoint), + ); + return EvaluationResult::finalize(stack_entry, encountered_overflow, result); + } else if usages.is_empty() { + self.rebase_provisional_cache_entries( + cx, + &stack_entry, + RebaseReason::NoCycleUsages, + ); return EvaluationResult::finalize(stack_entry, encountered_overflow, result); } @@ -1298,9 +1356,7 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { // we also taint all provisional cache entries which depend on the // current goal. if D::is_ambiguous_result(result) { - self.rebase_provisional_cache_entries(&stack_entry, |input, _| { - D::propagate_ambiguity(cx, input, result) - }); + self.rebase_provisional_cache_entries(cx, &stack_entry, RebaseReason::Ambiguity); return EvaluationResult::finalize(stack_entry, encountered_overflow, result); }; @@ -1309,10 +1365,8 @@ impl<D: Delegate<Cx = X>, X: Cx> SearchGraph<D> { i += 1; if i >= D::FIXPOINT_STEP_LIMIT { debug!("canonical cycle overflow"); - let result = D::on_fixpoint_overflow(cx, input); - self.rebase_provisional_cache_entries(&stack_entry, |input, _| { - D::on_fixpoint_overflow(cx, input) - }); + let result = D::fixpoint_overflow_result(cx, input); + self.rebase_provisional_cache_entries(cx, &stack_entry, RebaseReason::Overflow); return EvaluationResult::finalize(stack_entry, encountered_overflow, result); } diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index d589860524b..ac619a42d35 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -103,7 +103,6 @@ pub struct VecDeque< #[stable(feature = "rust1", since = "1.0.0")] impl<T: Clone, A: Allocator + Clone> Clone for VecDeque<T, A> { - #[track_caller] fn clone(&self) -> Self { let mut deq = Self::with_capacity_in(self.len(), self.allocator().clone()); deq.extend(self.iter().cloned()); @@ -114,7 +113,6 @@ impl<T: Clone, A: Allocator + Clone> Clone for VecDeque<T, A> { /// /// This method is preferred over simply assigning `source.clone()` to `self`, /// as it avoids reallocation if possible. - #[track_caller] fn clone_from(&mut self, source: &Self) { self.clear(); self.extend(source.iter().cloned()); @@ -577,7 +575,6 @@ impl<T> VecDeque<T> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[must_use] - #[track_caller] pub fn with_capacity(capacity: usize) -> VecDeque<T> { Self::with_capacity_in(capacity, Global) } @@ -633,7 +630,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// let deque: VecDeque<u32> = VecDeque::with_capacity(10); /// ``` #[unstable(feature = "allocator_api", issue = "32838")] - #[track_caller] pub fn with_capacity_in(capacity: usize, alloc: A) -> VecDeque<T, A> { VecDeque { head: 0, len: 0, buf: RawVec::with_capacity_in(capacity, alloc) } } @@ -799,7 +795,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// /// [`reserve`]: VecDeque::reserve #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn reserve_exact(&mut self, additional: usize) { let new_cap = self.len.checked_add(additional).expect("capacity overflow"); let old_cap = self.capacity(); @@ -830,7 +825,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// ``` #[stable(feature = "rust1", since = "1.0.0")] #[cfg_attr(not(test), rustc_diagnostic_item = "vecdeque_reserve")] - #[track_caller] pub fn reserve(&mut self, additional: usize) { let new_cap = self.len.checked_add(additional).expect("capacity overflow"); let old_cap = self.capacity(); @@ -962,7 +956,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert!(buf.capacity() >= 4); /// ``` #[stable(feature = "deque_extras_15", since = "1.5.0")] - #[track_caller] pub fn shrink_to_fit(&mut self) { self.shrink_to(0); } @@ -988,7 +981,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert!(buf.capacity() >= 4); /// ``` #[stable(feature = "shrink_to", since = "1.56.0")] - #[track_caller] pub fn shrink_to(&mut self, min_capacity: usize) { let target_cap = min_capacity.max(self.len); @@ -1891,7 +1883,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(d.front(), Some(&2)); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn push_front(&mut self, value: T) { let _ = self.push_front_mut(value); } @@ -1910,7 +1901,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(d.front(), Some(&7)); /// ``` #[unstable(feature = "push_mut", issue = "135974")] - #[track_caller] #[must_use = "if you don't need a reference to the value, use `VecDeque::push_front` instead"] pub fn push_front_mut(&mut self, value: T) -> &mut T { if self.is_full() { @@ -1937,7 +1927,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// ``` #[stable(feature = "rust1", since = "1.0.0")] #[rustc_confusables("push", "put", "append")] - #[track_caller] pub fn push_back(&mut self, value: T) { let _ = self.push_back_mut(value); } @@ -1956,7 +1945,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(d.back(), Some(&10)); /// ``` #[unstable(feature = "push_mut", issue = "135974")] - #[track_caller] #[must_use = "if you don't need a reference to the value, use `VecDeque::push_back` instead"] pub fn push_back_mut(&mut self, value: T) -> &mut T { if self.is_full() { @@ -2071,7 +2059,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(vec_deque, &['a', 'd', 'b', 'c', 'e']); /// ``` #[stable(feature = "deque_extras_15", since = "1.5.0")] - #[track_caller] pub fn insert(&mut self, index: usize, value: T) { let _ = self.insert_mut(index, value); } @@ -2099,7 +2086,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(vec_deque, &[1, 12, 2, 3]); /// ``` #[unstable(feature = "push_mut", issue = "135974")] - #[track_caller] #[must_use = "if you don't need a reference to the value, use `VecDeque::insert` instead"] pub fn insert_mut(&mut self, index: usize, value: T) -> &mut T { assert!(index <= self.len(), "index out of bounds"); @@ -2205,7 +2191,6 @@ impl<T, A: Allocator> VecDeque<T, A> { #[inline] #[must_use = "use `.truncate()` if you don't need the other half"] #[stable(feature = "split_off", since = "1.4.0")] - #[track_caller] pub fn split_off(&mut self, at: usize) -> Self where A: Clone, @@ -2272,7 +2257,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// ``` #[inline] #[stable(feature = "append", since = "1.4.0")] - #[track_caller] pub fn append(&mut self, other: &mut Self) { if T::IS_ZST { self.len = self.len.checked_add(other.len).expect("capacity overflow"); @@ -2395,7 +2379,6 @@ impl<T, A: Allocator> VecDeque<T, A> { // be called in cold paths. // This may panic or abort #[inline(never)] - #[track_caller] fn grow(&mut self) { // Extend or possibly remove this assertion when valid use-cases for growing the // buffer without it being full emerge @@ -2434,7 +2417,6 @@ impl<T, A: Allocator> VecDeque<T, A> { /// assert_eq!(buf, [5, 10, 101, 102, 103]); /// ``` #[stable(feature = "vec_resize_with", since = "1.33.0")] - #[track_caller] pub fn resize_with(&mut self, new_len: usize, generator: impl FnMut() -> T) { let len = self.len; @@ -2981,7 +2963,6 @@ impl<T: Clone, A: Allocator> VecDeque<T, A> { /// assert_eq!(buf, [5, 10, 20, 20, 20]); /// ``` #[stable(feature = "deque_extras", since = "1.16.0")] - #[track_caller] pub fn resize(&mut self, new_len: usize, value: T) { if new_len > self.len() { let extra = new_len - self.len(); @@ -3101,7 +3082,6 @@ impl<T, A: Allocator> IndexMut<usize> for VecDeque<T, A> { #[stable(feature = "rust1", since = "1.0.0")] impl<T> FromIterator<T> for VecDeque<T> { - #[track_caller] fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> VecDeque<T> { SpecFromIter::spec_from_iter(iter.into_iter()) } @@ -3141,19 +3121,16 @@ impl<'a, T, A: Allocator> IntoIterator for &'a mut VecDeque<T, A> { #[stable(feature = "rust1", since = "1.0.0")] impl<T, A: Allocator> Extend<T> for VecDeque<T, A> { - #[track_caller] fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) { <Self as SpecExtend<T, I::IntoIter>>::spec_extend(self, iter.into_iter()); } #[inline] - #[track_caller] fn extend_one(&mut self, elem: T) { self.push_back(elem); } #[inline] - #[track_caller] fn extend_reserve(&mut self, additional: usize) { self.reserve(additional); } @@ -3169,19 +3146,16 @@ impl<T, A: Allocator> Extend<T> for VecDeque<T, A> { #[stable(feature = "extend_ref", since = "1.2.0")] impl<'a, T: 'a + Copy, A: Allocator> Extend<&'a T> for VecDeque<T, A> { - #[track_caller] fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) { self.spec_extend(iter.into_iter()); } #[inline] - #[track_caller] fn extend_one(&mut self, &elem: &'a T) { self.push_back(elem); } #[inline] - #[track_caller] fn extend_reserve(&mut self, additional: usize) { self.reserve(additional); } @@ -3279,7 +3253,6 @@ impl<T, const N: usize> From<[T; N]> for VecDeque<T> { /// let deq2: VecDeque<_> = [1, 2, 3, 4].into(); /// assert_eq!(deq1, deq2); /// ``` - #[track_caller] fn from(arr: [T; N]) -> Self { let mut deq = VecDeque::with_capacity(N); let arr = ManuallyDrop::new(arr); diff --git a/library/alloc/src/collections/vec_deque/spec_extend.rs b/library/alloc/src/collections/vec_deque/spec_extend.rs index 7c7072c4c3a..6c2199135e0 100644 --- a/library/alloc/src/collections/vec_deque/spec_extend.rs +++ b/library/alloc/src/collections/vec_deque/spec_extend.rs @@ -8,7 +8,6 @@ use crate::vec; // Specialization trait used for VecDeque::extend pub(super) trait SpecExtend<T, I> { - #[track_caller] fn spec_extend(&mut self, iter: I); } @@ -16,7 +15,6 @@ impl<T, I, A: Allocator> SpecExtend<T, I> for VecDeque<T, A> where I: Iterator<Item = T>, { - #[track_caller] default fn spec_extend(&mut self, mut iter: I) { // This function should be the moral equivalent of: // @@ -47,7 +45,6 @@ impl<T, I, A: Allocator> SpecExtend<T, I> for VecDeque<T, A> where I: TrustedLen<Item = T>, { - #[track_caller] default fn spec_extend(&mut self, iter: I) { // This is the case for a TrustedLen iterator. let (low, high) = iter.size_hint(); @@ -81,7 +78,6 @@ where #[cfg(not(test))] impl<T, A: Allocator> SpecExtend<T, vec::IntoIter<T>> for VecDeque<T, A> { - #[track_caller] fn spec_extend(&mut self, mut iterator: vec::IntoIter<T>) { let slice = iterator.as_slice(); self.reserve(slice.len()); @@ -99,7 +95,6 @@ where I: Iterator<Item = &'a T>, T: Copy, { - #[track_caller] default fn spec_extend(&mut self, iterator: I) { self.spec_extend(iterator.copied()) } @@ -109,7 +104,6 @@ impl<'a, T: 'a, A: Allocator> SpecExtend<&'a T, slice::Iter<'a, T>> for VecDeque where T: Copy, { - #[track_caller] fn spec_extend(&mut self, iterator: slice::Iter<'a, T>) { let slice = iterator.as_slice(); self.reserve(slice.len()); diff --git a/library/alloc/src/collections/vec_deque/spec_from_iter.rs b/library/alloc/src/collections/vec_deque/spec_from_iter.rs index c80a30c2103..557666ea3b8 100644 --- a/library/alloc/src/collections/vec_deque/spec_from_iter.rs +++ b/library/alloc/src/collections/vec_deque/spec_from_iter.rs @@ -9,7 +9,6 @@ impl<T, I> SpecFromIter<T, I> for VecDeque<T> where I: Iterator<Item = T>, { - #[track_caller] default fn spec_from_iter(iterator: I) -> Self { // Since converting is O(1) now, just re-use the `Vec` logic for // anything where we can't do something extra-special for `VecDeque`, diff --git a/library/alloc/src/raw_vec/mod.rs b/library/alloc/src/raw_vec/mod.rs index 1d4a1f592a9..bc9692f5b6c 100644 --- a/library/alloc/src/raw_vec/mod.rs +++ b/library/alloc/src/raw_vec/mod.rs @@ -24,7 +24,6 @@ mod tests; // only one location which panics rather than a bunch throughout the module. #[cfg(not(no_global_oom_handling))] #[cfg_attr(not(panic = "immediate-abort"), inline(never))] -#[track_caller] fn capacity_overflow() -> ! { panic!("capacity overflow"); } @@ -123,7 +122,6 @@ impl<T> RawVec<T, Global> { #[cfg(not(any(no_global_oom_handling, test)))] #[must_use] #[inline] - #[track_caller] pub(crate) fn with_capacity(capacity: usize) -> Self { Self { inner: RawVecInner::with_capacity(capacity, T::LAYOUT), _marker: PhantomData } } @@ -132,7 +130,6 @@ impl<T> RawVec<T, Global> { #[cfg(not(any(no_global_oom_handling, test)))] #[must_use] #[inline] - #[track_caller] pub(crate) fn with_capacity_zeroed(capacity: usize) -> Self { Self { inner: RawVecInner::with_capacity_zeroed_in(capacity, Global, T::LAYOUT), @@ -145,7 +142,6 @@ impl RawVecInner<Global> { #[cfg(not(any(no_global_oom_handling, test)))] #[must_use] #[inline] - #[track_caller] fn with_capacity(capacity: usize, elem_layout: Layout) -> Self { match Self::try_allocate_in(capacity, AllocInit::Uninitialized, Global, elem_layout) { Ok(res) => res, @@ -186,7 +182,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// allocator for the returned `RawVec`. #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] pub(crate) fn with_capacity_in(capacity: usize, alloc: A) -> Self { Self { inner: RawVecInner::with_capacity_in(capacity, alloc, T::LAYOUT), @@ -208,7 +203,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// of allocator for the returned `RawVec`. #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] pub(crate) fn with_capacity_zeroed_in(capacity: usize, alloc: A) -> Self { Self { inner: RawVecInner::with_capacity_zeroed_in(capacity, alloc, T::LAYOUT), @@ -328,7 +322,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// Aborts on OOM. #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] pub(crate) fn reserve(&mut self, len: usize, additional: usize) { // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout unsafe { self.inner.reserve(len, additional, T::LAYOUT) } @@ -338,7 +331,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// caller to ensure `len == self.capacity()`. #[cfg(not(no_global_oom_handling))] #[inline(never)] - #[track_caller] pub(crate) fn grow_one(&mut self) { // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout unsafe { self.inner.grow_one(T::LAYOUT) } @@ -372,7 +364,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// /// Aborts on OOM. #[cfg(not(no_global_oom_handling))] - #[track_caller] pub(crate) fn reserve_exact(&mut self, len: usize, additional: usize) { // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout unsafe { self.inner.reserve_exact(len, additional, T::LAYOUT) } @@ -399,7 +390,6 @@ impl<T, A: Allocator> RawVec<T, A> { /// /// Aborts on OOM. #[cfg(not(no_global_oom_handling))] - #[track_caller] #[inline] pub(crate) fn shrink_to_fit(&mut self, cap: usize) { // SAFETY: All calls on self.inner pass T::LAYOUT as the elem_layout @@ -425,7 +415,6 @@ impl<A: Allocator> RawVecInner<A> { #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] fn with_capacity_in(capacity: usize, alloc: A, elem_layout: Layout) -> Self { match Self::try_allocate_in(capacity, AllocInit::Uninitialized, alloc, elem_layout) { Ok(this) => { @@ -450,7 +439,6 @@ impl<A: Allocator> RawVecInner<A> { #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] fn with_capacity_zeroed_in(capacity: usize, alloc: A, elem_layout: Layout) -> Self { match Self::try_allocate_in(capacity, AllocInit::Zeroed, alloc, elem_layout) { Ok(res) => res, @@ -553,7 +541,6 @@ impl<A: Allocator> RawVecInner<A> { /// - `elem_layout`'s size must be a multiple of its alignment #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] unsafe fn reserve(&mut self, len: usize, additional: usize, elem_layout: Layout) { // Callers expect this function to be very cheap when there is already sufficient capacity. // Therefore, we move all the resizing and error-handling logic from grow_amortized and @@ -585,7 +572,6 @@ impl<A: Allocator> RawVecInner<A> { /// - `elem_layout`'s size must be a multiple of its alignment #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] unsafe fn grow_one(&mut self, elem_layout: Layout) { // SAFETY: Precondition passed to caller if let Err(err) = unsafe { self.grow_amortized(self.cap.as_inner(), 1, elem_layout) } { @@ -621,7 +607,6 @@ impl<A: Allocator> RawVecInner<A> { /// initially construct `self` /// - `elem_layout`'s size must be a multiple of its alignment #[cfg(not(no_global_oom_handling))] - #[track_caller] unsafe fn reserve_exact(&mut self, len: usize, additional: usize, elem_layout: Layout) { // SAFETY: Precondition passed to caller if let Err(err) = unsafe { self.try_reserve_exact(len, additional, elem_layout) } { @@ -659,7 +644,6 @@ impl<A: Allocator> RawVecInner<A> { /// - `cap` must be less than or equal to `self.capacity(elem_layout.size())` #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] unsafe fn shrink_to_fit(&mut self, cap: usize, elem_layout: Layout) { if let Err(err) = unsafe { self.shrink(cap, elem_layout) } { handle_error(err); @@ -872,7 +856,6 @@ where #[cfg(not(no_global_oom_handling))] #[cold] #[optimize(size)] -#[track_caller] fn handle_error(e: TryReserveError) -> ! { match e.kind() { CapacityOverflow => capacity_overflow(), diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index e669c4708ad..ae30cabf5af 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -1105,7 +1105,6 @@ impl String { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_confusables("append", "push")] #[rustc_diagnostic_item = "string_push_str"] @@ -1208,7 +1207,6 @@ impl String { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] #[stable(feature = "rust1", since = "1.0.0")] pub fn reserve(&mut self, additional: usize) { self.vec.reserve(additional) @@ -1260,7 +1258,6 @@ impl String { #[cfg(not(no_global_oom_handling))] #[inline] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn reserve_exact(&mut self, additional: usize) { self.vec.reserve_exact(additional) } @@ -1356,7 +1353,6 @@ impl String { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] #[stable(feature = "rust1", since = "1.0.0")] pub fn shrink_to_fit(&mut self) { self.vec.shrink_to_fit() @@ -1384,7 +1380,6 @@ impl String { /// ``` #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] #[stable(feature = "shrink_to", since = "1.56.0")] pub fn shrink_to(&mut self, min_capacity: usize) { self.vec.shrink_to(min_capacity) @@ -1406,7 +1401,6 @@ impl String { #[cfg(not(no_global_oom_handling))] #[inline] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn push(&mut self, ch: char) { let len = self.len(); let ch_len = ch.len_utf8(); @@ -2115,7 +2109,6 @@ impl String { #[stable(feature = "box_str", since = "1.4.0")] #[must_use = "`self` will be dropped if the result is not used"] #[inline] - #[track_caller] pub fn into_boxed_str(self) -> Box<str> { let slice = self.vec.into_boxed_slice(); unsafe { from_boxed_utf8_unchecked(slice) } @@ -2293,7 +2286,6 @@ impl Error for FromUtf16Error {} #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] impl Clone for String { - #[track_caller] fn clone(&self) -> Self { String { vec: self.vec.clone() } } @@ -2302,7 +2294,6 @@ impl Clone for String { /// /// This method is preferred over simply assigning `source.clone()` to `self`, /// as it avoids reallocation if possible. - #[track_caller] fn clone_from(&mut self, source: &Self) { self.vec.clone_from(&source.vec); } @@ -2477,13 +2468,11 @@ impl<'a> Extend<Cow<'a, str>> for String { #[unstable(feature = "ascii_char", issue = "110998")] impl Extend<core::ascii::Char> for String { #[inline] - #[track_caller] fn extend<I: IntoIterator<Item = core::ascii::Char>>(&mut self, iter: I) { self.vec.extend(iter.into_iter().map(|c| c.to_u8())); } #[inline] - #[track_caller] fn extend_one(&mut self, c: core::ascii::Char) { self.vec.push(c.to_u8()); } @@ -2493,13 +2482,11 @@ impl Extend<core::ascii::Char> for String { #[unstable(feature = "ascii_char", issue = "110998")] impl<'a> Extend<&'a core::ascii::Char> for String { #[inline] - #[track_caller] fn extend<I: IntoIterator<Item = &'a core::ascii::Char>>(&mut self, iter: I) { self.extend(iter.into_iter().cloned()); } #[inline] - #[track_caller] fn extend_one(&mut self, c: &'a core::ascii::Char) { self.vec.push(c.to_u8()); } diff --git a/library/alloc/src/vec/cow.rs b/library/alloc/src/vec/cow.rs index 4deb35efffc..c18091705a6 100644 --- a/library/alloc/src/vec/cow.rs +++ b/library/alloc/src/vec/cow.rs @@ -58,7 +58,6 @@ impl<'a, T> FromIterator<T> for Cow<'a, [T]> where T: Clone, { - #[track_caller] fn from_iter<I: IntoIterator<Item = T>>(it: I) -> Cow<'a, [T]> { Cow::Owned(FromIterator::from_iter(it)) } diff --git a/library/alloc/src/vec/in_place_collect.rs b/library/alloc/src/vec/in_place_collect.rs index b98a118048f..8a7c0b92ecc 100644 --- a/library/alloc/src/vec/in_place_collect.rs +++ b/library/alloc/src/vec/in_place_collect.rs @@ -229,7 +229,6 @@ where I: Iterator<Item = T> + InPlaceCollect, <I as SourceIter>::Source: AsVecIntoIter, { - #[track_caller] default fn from_iter(iterator: I) -> Self { // Select the implementation in const eval to avoid codegen of the dead branch to improve compile times. let fun: fn(I) -> Vec<T> = const { @@ -247,7 +246,6 @@ where } } -#[track_caller] fn from_iter_in_place<I, T>(mut iterator: I) -> Vec<T> where I: Iterator<Item = T> + InPlaceCollect, diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 694b7b2df08..45d6c28e186 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -515,7 +515,6 @@ impl<T> Vec<T> { #[stable(feature = "rust1", since = "1.0.0")] #[must_use] #[rustc_diagnostic_item = "vec_with_capacity"] - #[track_caller] pub fn with_capacity(capacity: usize) -> Self { Self::with_capacity_in(capacity, Global) } @@ -926,7 +925,6 @@ impl<T, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] #[inline] #[unstable(feature = "allocator_api", issue = "32838")] - #[track_caller] pub fn with_capacity_in(capacity: usize, alloc: A) -> Self { Vec { buf: RawVec::with_capacity_in(capacity, alloc), len: 0 } } @@ -1335,7 +1333,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] #[rustc_diagnostic_item = "vec_reserve"] pub fn reserve(&mut self, additional: usize) { self.buf.reserve(self.len, additional); @@ -1367,7 +1364,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn reserve_exact(&mut self, additional: usize) { self.buf.reserve_exact(self.len, additional); } @@ -1471,7 +1467,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] #[inline] pub fn shrink_to_fit(&mut self) { // The capacity is never less than the length, and there's nothing to do when @@ -1502,7 +1497,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "shrink_to", since = "1.56.0")] - #[track_caller] pub fn shrink_to(&mut self, min_capacity: usize) { if self.capacity() > min_capacity { self.buf.shrink_to_fit(cmp::max(self.len, min_capacity)); @@ -1536,7 +1530,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] - #[track_caller] pub fn into_boxed_slice(mut self) -> Box<[T], A> { unsafe { self.shrink_to_fit(); @@ -2021,7 +2014,6 @@ impl<T, A: Allocator> Vec<T, A> { pub fn swap_remove(&mut self, index: usize) -> T { #[cold] #[cfg_attr(not(panic = "immediate-abort"), inline(never))] - #[track_caller] #[optimize(size)] fn assert_failed(index: usize, len: usize) -> ! { panic!("swap_remove index (is {index}) should be < len (is {len})"); @@ -2568,7 +2560,6 @@ impl<T, A: Allocator> Vec<T, A> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_confusables("push_back", "put", "append")] - #[track_caller] pub fn push(&mut self, value: T) { let _ = self.push_mut(value); } @@ -2645,7 +2636,6 @@ impl<T, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] #[inline] #[unstable(feature = "push_mut", issue = "135974")] - #[track_caller] #[must_use = "if you don't need a reference to the value, use `Vec::push` instead"] pub fn push_mut(&mut self, value: T) -> &mut T { // Inform codegen that the length does not change across grow_one(). @@ -2793,7 +2783,6 @@ impl<T, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] #[inline] #[stable(feature = "append", since = "1.4.0")] - #[track_caller] pub fn append(&mut self, other: &mut Self) { unsafe { self.append_elements(other.as_slice() as _); @@ -2804,7 +2793,6 @@ impl<T, A: Allocator> Vec<T, A> { /// Appends elements to `self` from other buffer. #[cfg(not(no_global_oom_handling))] #[inline] - #[track_caller] unsafe fn append_elements(&mut self, other: *const [T]) { let count = other.len(); self.reserve(count); @@ -3039,7 +3027,6 @@ impl<T, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "vec_resize_with", since = "1.33.0")] - #[track_caller] pub fn resize_with<F>(&mut self, new_len: usize, f: F) where F: FnMut() -> T, @@ -3304,7 +3291,6 @@ impl<T: Clone, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "vec_resize", since = "1.5.0")] - #[track_caller] pub fn resize(&mut self, new_len: usize, value: T) { let len = self.len(); @@ -3335,7 +3321,6 @@ impl<T: Clone, A: Allocator> Vec<T, A> { /// [`extend`]: Vec::extend #[cfg(not(no_global_oom_handling))] #[stable(feature = "vec_extend_from_slice", since = "1.6.0")] - #[track_caller] pub fn extend_from_slice(&mut self, other: &[T]) { self.spec_extend(other.iter()) } @@ -3366,7 +3351,6 @@ impl<T: Clone, A: Allocator> Vec<T, A> { /// ``` #[cfg(not(no_global_oom_handling))] #[stable(feature = "vec_extend_from_within", since = "1.53.0")] - #[track_caller] pub fn extend_from_within<R>(&mut self, src: R) where R: RangeBounds<usize>, @@ -3427,7 +3411,6 @@ impl<T, A: Allocator, const N: usize> Vec<[T; N], A> { impl<T: Clone, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] - #[track_caller] /// Extend the vector by `n` clones of value. fn extend_with(&mut self, n: usize, value: T) { self.reserve(n); @@ -3488,7 +3471,6 @@ impl<T: PartialEq, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_diagnostic_item = "vec_from_elem"] -#[track_caller] pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> { <T as SpecFromElem>::from_elem(elem, n, Global) } @@ -3496,7 +3478,6 @@ pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> { #[doc(hidden)] #[cfg(not(no_global_oom_handling))] #[unstable(feature = "allocator_api", issue = "32838")] -#[track_caller] pub fn from_elem_in<T: Clone, A: Allocator>(elem: T, n: usize, alloc: A) -> Vec<T, A> { <T as SpecFromElem>::from_elem(elem, n, alloc) } @@ -3587,7 +3568,6 @@ unsafe impl<T, A: Allocator> ops::DerefPure for Vec<T, A> {} #[cfg(not(no_global_oom_handling))] #[stable(feature = "rust1", since = "1.0.0")] impl<T: Clone, A: Allocator + Clone> Clone for Vec<T, A> { - #[track_caller] fn clone(&self) -> Self { let alloc = self.allocator().clone(); <[T]>::to_vec_in(&**self, alloc) @@ -3615,7 +3595,6 @@ impl<T: Clone, A: Allocator + Clone> Clone for Vec<T, A> { /// // And no reallocation occurred /// assert_eq!(yp, y.as_ptr()); /// ``` - #[track_caller] fn clone_from(&mut self, source: &Self) { crate::slice::SpecCloneIntoVec::clone_into(source.as_slice(), self); } @@ -3706,7 +3685,6 @@ impl<T, I: SliceIndex<[T]>, A: Allocator> IndexMut<I> for Vec<T, A> { #[stable(feature = "rust1", since = "1.0.0")] impl<T> FromIterator<T> for Vec<T> { #[inline] - #[track_caller] fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Vec<T> { <Self as SpecFromIter<T, I::IntoIter>>::from_iter(iter.into_iter()) } @@ -3775,19 +3753,16 @@ impl<'a, T, A: Allocator> IntoIterator for &'a mut Vec<T, A> { #[stable(feature = "rust1", since = "1.0.0")] impl<T, A: Allocator> Extend<T> for Vec<T, A> { #[inline] - #[track_caller] fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) { <Self as SpecExtend<T, I::IntoIter>>::spec_extend(self, iter.into_iter()) } #[inline] - #[track_caller] fn extend_one(&mut self, item: T) { self.push(item); } #[inline] - #[track_caller] fn extend_reserve(&mut self, additional: usize) { self.reserve(additional); } @@ -3807,7 +3782,6 @@ impl<T, A: Allocator> Vec<T, A> { // leaf method to which various SpecFrom/SpecExtend implementations delegate when // they have no further optimizations to apply #[cfg(not(no_global_oom_handling))] - #[track_caller] fn extend_desugared<I: Iterator<Item = T>>(&mut self, mut iterator: I) { // This is the case for a general iterator. // @@ -3835,7 +3809,6 @@ impl<T, A: Allocator> Vec<T, A> { // specific extend for `TrustedLen` iterators, called both by the specializations // and internal places where resolving specialization makes compilation slower #[cfg(not(no_global_oom_handling))] - #[track_caller] fn extend_trusted(&mut self, iterator: impl iter::TrustedLen<Item = T>) { let (low, high) = iterator.size_hint(); if let Some(additional) = high { @@ -4013,19 +3986,16 @@ impl<T, A: Allocator> Vec<T, A> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "extend_ref", since = "1.2.0")] impl<'a, T: Copy + 'a, A: Allocator> Extend<&'a T> for Vec<T, A> { - #[track_caller] fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) { self.spec_extend(iter.into_iter()) } #[inline] - #[track_caller] fn extend_one(&mut self, &item: &'a T) { self.push(item); } #[inline] - #[track_caller] fn extend_reserve(&mut self, additional: usize) { self.reserve(additional); } @@ -4136,7 +4106,6 @@ impl<T: Clone> From<&[T]> for Vec<T> { /// ``` /// assert_eq!(Vec::from(&[1, 2, 3][..]), vec![1, 2, 3]); /// ``` - #[track_caller] fn from(s: &[T]) -> Vec<T> { s.to_vec() } @@ -4152,7 +4121,6 @@ impl<T: Clone> From<&mut [T]> for Vec<T> { /// ``` /// assert_eq!(Vec::from(&mut [1, 2, 3][..]), vec![1, 2, 3]); /// ``` - #[track_caller] fn from(s: &mut [T]) -> Vec<T> { s.to_vec() } @@ -4168,7 +4136,6 @@ impl<T: Clone, const N: usize> From<&[T; N]> for Vec<T> { /// ``` /// assert_eq!(Vec::from(&[1, 2, 3]), vec![1, 2, 3]); /// ``` - #[track_caller] fn from(s: &[T; N]) -> Vec<T> { Self::from(s.as_slice()) } @@ -4184,7 +4151,6 @@ impl<T: Clone, const N: usize> From<&mut [T; N]> for Vec<T> { /// ``` /// assert_eq!(Vec::from(&mut [1, 2, 3]), vec![1, 2, 3]); /// ``` - #[track_caller] fn from(s: &mut [T; N]) -> Vec<T> { Self::from(s.as_mut_slice()) } @@ -4200,7 +4166,6 @@ impl<T, const N: usize> From<[T; N]> for Vec<T> { /// ``` /// assert_eq!(Vec::from([1, 2, 3]), vec![1, 2, 3]); /// ``` - #[track_caller] fn from(s: [T; N]) -> Vec<T> { <[T]>::into_vec(Box::new(s)) } @@ -4225,7 +4190,6 @@ where /// let b: Cow<'_, [i32]> = Cow::Borrowed(&[1, 2, 3]); /// assert_eq!(Vec::from(o), Vec::from(b)); /// ``` - #[track_caller] fn from(s: Cow<'a, [T]>) -> Vec<T> { s.into_owned() } @@ -4272,7 +4236,6 @@ impl<T, A: Allocator> From<Vec<T, A>> for Box<[T], A> { /// /// assert_eq!(Box::from(vec), vec![1, 2, 3].into_boxed_slice()); /// ``` - #[track_caller] fn from(v: Vec<T, A>) -> Self { v.into_boxed_slice() } @@ -4288,7 +4251,6 @@ impl From<&str> for Vec<u8> { /// ``` /// assert_eq!(Vec::from("123"), vec![b'1', b'2', b'3']); /// ``` - #[track_caller] fn from(s: &str) -> Vec<u8> { From::from(s.as_bytes()) } diff --git a/library/alloc/src/vec/spec_extend.rs b/library/alloc/src/vec/spec_extend.rs index b98db669059..7085bceef5b 100644 --- a/library/alloc/src/vec/spec_extend.rs +++ b/library/alloc/src/vec/spec_extend.rs @@ -6,7 +6,6 @@ use crate::alloc::Allocator; // Specialization trait used for Vec::extend pub(super) trait SpecExtend<T, I> { - #[track_caller] fn spec_extend(&mut self, iter: I); } @@ -14,7 +13,6 @@ impl<T, I, A: Allocator> SpecExtend<T, I> for Vec<T, A> where I: Iterator<Item = T>, { - #[track_caller] default fn spec_extend(&mut self, iter: I) { self.extend_desugared(iter) } @@ -24,14 +22,12 @@ impl<T, I, A: Allocator> SpecExtend<T, I> for Vec<T, A> where I: TrustedLen<Item = T>, { - #[track_caller] default fn spec_extend(&mut self, iterator: I) { self.extend_trusted(iterator) } } impl<T, A: Allocator> SpecExtend<T, IntoIter<T>> for Vec<T, A> { - #[track_caller] fn spec_extend(&mut self, mut iterator: IntoIter<T>) { unsafe { self.append_elements(iterator.as_slice() as _); @@ -45,7 +41,6 @@ where I: Iterator<Item = &'a T>, T: Clone, { - #[track_caller] default fn spec_extend(&mut self, iterator: I) { self.spec_extend(iterator.cloned()) } @@ -55,7 +50,6 @@ impl<'a, T: 'a, A: Allocator> SpecExtend<&'a T, slice::Iter<'a, T>> for Vec<T, A where T: Copy, { - #[track_caller] fn spec_extend(&mut self, iterator: slice::Iter<'a, T>) { let slice = iterator.as_slice(); unsafe { self.append_elements(slice) }; diff --git a/library/alloc/src/vec/spec_from_elem.rs b/library/alloc/src/vec/spec_from_elem.rs index 6c7b4d89f2d..96d701e15d4 100644 --- a/library/alloc/src/vec/spec_from_elem.rs +++ b/library/alloc/src/vec/spec_from_elem.rs @@ -10,7 +10,6 @@ pub(super) trait SpecFromElem: Sized { } impl<T: Clone> SpecFromElem for T { - #[track_caller] default fn from_elem<A: Allocator>(elem: Self, n: usize, alloc: A) -> Vec<Self, A> { let mut v = Vec::with_capacity_in(n, alloc); v.extend_with(n, elem); @@ -20,7 +19,6 @@ impl<T: Clone> SpecFromElem for T { impl<T: Clone + IsZero> SpecFromElem for T { #[inline] - #[track_caller] default fn from_elem<A: Allocator>(elem: T, n: usize, alloc: A) -> Vec<T, A> { if elem.is_zero() { return Vec { buf: RawVec::with_capacity_zeroed_in(n, alloc), len: n }; @@ -33,7 +31,6 @@ impl<T: Clone + IsZero> SpecFromElem for T { impl SpecFromElem for i8 { #[inline] - #[track_caller] fn from_elem<A: Allocator>(elem: i8, n: usize, alloc: A) -> Vec<i8, A> { if elem == 0 { return Vec { buf: RawVec::with_capacity_zeroed_in(n, alloc), len: n }; @@ -49,7 +46,6 @@ impl SpecFromElem for i8 { impl SpecFromElem for u8 { #[inline] - #[track_caller] fn from_elem<A: Allocator>(elem: u8, n: usize, alloc: A) -> Vec<u8, A> { if elem == 0 { return Vec { buf: RawVec::with_capacity_zeroed_in(n, alloc), len: n }; diff --git a/library/alloc/src/vec/spec_from_iter.rs b/library/alloc/src/vec/spec_from_iter.rs index ad7688e1c59..e1f0b639bdf 100644 --- a/library/alloc/src/vec/spec_from_iter.rs +++ b/library/alloc/src/vec/spec_from_iter.rs @@ -29,14 +29,12 @@ impl<T, I> SpecFromIter<T, I> for Vec<T> where I: Iterator<Item = T>, { - #[track_caller] default fn from_iter(iterator: I) -> Self { SpecFromIterNested::from_iter(iterator) } } impl<T> SpecFromIter<T, IntoIter<T>> for Vec<T> { - #[track_caller] fn from_iter(iterator: IntoIter<T>) -> Self { // A common case is passing a vector into a function which immediately // re-collects into a vector. We can short circuit this if the IntoIter diff --git a/library/alloc/src/vec/spec_from_iter_nested.rs b/library/alloc/src/vec/spec_from_iter_nested.rs index 22eed238798..77f7761d22f 100644 --- a/library/alloc/src/vec/spec_from_iter_nested.rs +++ b/library/alloc/src/vec/spec_from_iter_nested.rs @@ -15,7 +15,6 @@ impl<T, I> SpecFromIterNested<T, I> for Vec<T> where I: Iterator<Item = T>, { - #[track_caller] default fn from_iter(mut iterator: I) -> Self { // Unroll the first iteration, as the vector is going to be // expanded on this iteration in every case when the iterable is not @@ -48,7 +47,6 @@ impl<T, I> SpecFromIterNested<T, I> for Vec<T> where I: TrustedLen<Item = T>, { - #[track_caller] fn from_iter(iterator: I) -> Self { let mut vector = match iterator.size_hint() { (_, Some(upper)) => Vec::with_capacity(upper), diff --git a/library/alloc/src/vec/splice.rs b/library/alloc/src/vec/splice.rs index ed1a0dda76d..d571e35828a 100644 --- a/library/alloc/src/vec/splice.rs +++ b/library/alloc/src/vec/splice.rs @@ -52,7 +52,6 @@ impl<I: Iterator, A: Allocator> ExactSizeIterator for Splice<'_, I, A> {} #[stable(feature = "vec_splice", since = "1.21.0")] impl<I: Iterator, A: Allocator> Drop for Splice<'_, I, A> { - #[track_caller] fn drop(&mut self) { self.drain.by_ref().for_each(drop); // At this point draining is done and the only remaining tasks are splicing @@ -124,7 +123,6 @@ impl<T, A: Allocator> Drain<'_, T, A> { } /// Makes room for inserting more elements before the tail. - #[track_caller] unsafe fn move_tail(&mut self, additional: usize) { let vec = unsafe { self.vec.as_mut() }; let len = self.tail_start + self.tail_len; diff --git a/library/core/src/ffi/mod.rs b/library/core/src/ffi/mod.rs index 0bc98e2ea86..1356ca217c9 100644 --- a/library/core/src/ffi/mod.rs +++ b/library/core/src/ffi/mod.rs @@ -56,7 +56,7 @@ pub use self::primitives::{c_ptrdiff_t, c_size_t, c_ssize_t}; // be UB. #[doc = include_str!("c_void.md")] #[lang = "c_void"] -#[cfg_attr(not(doc), repr(u8))] // An implementation detail we don't want to show up in rustdoc +#[repr(u8)] #[stable(feature = "core_c_void", since = "1.30.0")] pub enum c_void { #[unstable( diff --git a/library/core/src/ffi/va_list.rs b/library/core/src/ffi/va_list.rs index 0d4ccb5aeb2..46ccf330d1c 100644 --- a/library/core/src/ffi/va_list.rs +++ b/library/core/src/ffi/va_list.rs @@ -25,7 +25,7 @@ crate::cfg_select! { /// /// [AArch64 Procedure Call Standard]: /// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapcs64.pdf - #[cfg_attr(not(doc), repr(C))] // work around https://github.com/rust-lang/rust/issues/66401 + #[repr(C)] #[derive(Debug)] #[lang = "va_list"] pub struct VaListImpl<'f> { @@ -39,7 +39,7 @@ crate::cfg_select! { } all(target_arch = "powerpc", not(target_os = "uefi"), not(windows)) => { /// PowerPC ABI implementation of a `va_list`. - #[cfg_attr(not(doc), repr(C))] // work around https://github.com/rust-lang/rust/issues/66401 + #[repr(C)] #[derive(Debug)] #[lang = "va_list"] pub struct VaListImpl<'f> { @@ -53,7 +53,7 @@ crate::cfg_select! { } target_arch = "s390x" => { /// s390x ABI implementation of a `va_list`. - #[cfg_attr(not(doc), repr(C))] // work around https://github.com/rust-lang/rust/issues/66401 + #[repr(C)] #[derive(Debug)] #[lang = "va_list"] pub struct VaListImpl<'f> { @@ -66,7 +66,7 @@ crate::cfg_select! { } all(target_arch = "x86_64", not(target_os = "uefi"), not(windows)) => { /// x86_64 ABI implementation of a `va_list`. - #[cfg_attr(not(doc), repr(C))] // work around https://github.com/rust-lang/rust/issues/66401 + #[repr(C)] #[derive(Debug)] #[lang = "va_list"] pub struct VaListImpl<'f> { diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index b6de8925308..fcd2e52101f 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -386,8 +386,8 @@ impl FormattingOptions { /// used. The alternate forms are: /// - [`Debug`] : pretty-print the [`Debug`] formatting (adds linebreaks and indentation) /// - [`LowerHex`] as well as [`UpperHex`] - precedes the argument with a `0x` - /// - [`Octal`] - precedes the argument with a `0b` - /// - [`Binary`] - precedes the argument with a `0o` + /// - [`Octal`] - precedes the argument with a `0o` + /// - [`Binary`] - precedes the argument with a `0b` #[unstable(feature = "formatting_options", issue = "118117")] pub const fn alternate(&mut self, alternate: bool) -> &mut Self { if alternate { diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index 1c100312a9a..4b767d8d622 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -1341,11 +1341,3 @@ pub macro CoercePointee($item:item) { pub trait CoercePointeeValidated { /* compiler built-in */ } - -/// Allows value to be reborrowed as exclusive, creating a copy of the value -/// that disables the source for reads and writes for the lifetime of the copy. -#[lang = "reborrow"] -#[unstable(feature = "reborrow", issue = "145612")] -pub trait Reborrow { - // Empty. -} diff --git a/library/core/src/num/f128.rs b/library/core/src/num/f128.rs index 73ca3fbb142..4fe4735e304 100644 --- a/library/core/src/num/f128.rs +++ b/library/core/src/num/f128.rs @@ -33,12 +33,12 @@ pub mod consts { /// The golden ratio (φ) #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const PHI: f128 = 1.61803398874989484820458683436563811772030917980576286213545_f128; /// The Euler-Mascheroni constant (γ) #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const EGAMMA: f128 = 0.577215664901532860606512090082402431042159335939923598805767_f128; /// π/2 @@ -67,14 +67,14 @@ pub mod consts { /// 1/sqrt(π) #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_PI: f128 = 0.564189583547756286948079451560772585844050629328998856844086_f128; /// 1/sqrt(2π) #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_2PI: f128 = 0.398942280401432677939946059934381868475858631164934657665926_f128; @@ -98,12 +98,12 @@ pub mod consts { /// sqrt(3) #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const SQRT_3: f128 = 1.73205080756887729352744634150587236694280525381038062805581_f128; /// 1/sqrt(3) #[unstable(feature = "f128", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_3: f128 = 0.577350269189625764509148780501957455647601751270126876018602_f128; diff --git a/library/core/src/num/f16.rs b/library/core/src/num/f16.rs index a9dbade0e65..0bea6bc8801 100644 --- a/library/core/src/num/f16.rs +++ b/library/core/src/num/f16.rs @@ -35,12 +35,12 @@ pub mod consts { /// The golden ratio (φ) #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const PHI: f16 = 1.618033988749894848204586834365638118_f16; /// The Euler-Mascheroni constant (γ) #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const EGAMMA: f16 = 0.577215664901532860606512090082402431_f16; /// π/2 @@ -69,13 +69,13 @@ pub mod consts { /// 1/sqrt(π) #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_PI: f16 = 0.564189583547756286948079451560772586_f16; /// 1/sqrt(2π) #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_2PI: f16 = 0.398942280401432677939946059934381868_f16; /// 2/π @@ -96,12 +96,12 @@ pub mod consts { /// sqrt(3) #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const SQRT_3: f16 = 1.732050807568877293527446341505872367_f16; /// 1/sqrt(3) #[unstable(feature = "f16", issue = "116909")] - // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + // Also, #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_3: f16 = 0.577350269189625764509148780501957456_f16; /// Euler's number (e) diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 53474cd3e90..e380cc698f5 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -291,11 +291,11 @@ pub mod consts { pub const TAU: f32 = 6.28318530717958647692528676655900577_f32; /// The golden ratio (φ) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const PHI: f32 = 1.618033988749894848204586834365638118_f32; /// The Euler-Mascheroni constant (γ) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const EGAMMA: f32 = 0.577215664901532860606512090082402431_f32; /// π/2 @@ -323,12 +323,12 @@ pub mod consts { pub const FRAC_1_PI: f32 = 0.318309886183790671537767526745028724_f32; /// 1/sqrt(π) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_PI: f32 = 0.564189583547756286948079451560772586_f32; /// 1/sqrt(2π) #[doc(alias = "FRAC_1_SQRT_TAU")] - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_2PI: f32 = 0.398942280401432677939946059934381868_f32; /// 2/π @@ -348,11 +348,11 @@ pub mod consts { pub const FRAC_1_SQRT_2: f32 = 0.707106781186547524400844362104849039_f32; /// sqrt(3) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const SQRT_3: f32 = 1.732050807568877293527446341505872367_f32; /// 1/sqrt(3) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_3: f32 = 0.577350269189625764509148780501957456_f32; /// Euler's number (e) diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index 78113a60bbc..ff7449fd996 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -291,11 +291,11 @@ pub mod consts { pub const TAU: f64 = 6.28318530717958647692528676655900577_f64; /// The golden ratio (φ) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const PHI: f64 = 1.618033988749894848204586834365638118_f64; /// The Euler-Mascheroni constant (γ) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const EGAMMA: f64 = 0.577215664901532860606512090082402431_f64; /// π/2 @@ -323,12 +323,12 @@ pub mod consts { pub const FRAC_1_PI: f64 = 0.318309886183790671537767526745028724_f64; /// 1/sqrt(π) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_PI: f64 = 0.564189583547756286948079451560772586_f64; /// 1/sqrt(2π) #[doc(alias = "FRAC_1_SQRT_TAU")] - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_2PI: f64 = 0.398942280401432677939946059934381868_f64; /// 2/π @@ -348,11 +348,11 @@ pub mod consts { pub const FRAC_1_SQRT_2: f64 = 0.707106781186547524400844362104849039_f64; /// sqrt(3) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const SQRT_3: f64 = 1.732050807568877293527446341505872367_f64; /// 1/sqrt(3) - #[unstable(feature = "more_float_constants", issue = "103883")] + #[unstable(feature = "more_float_constants", issue = "146939")] pub const FRAC_1_SQRT_3: f64 = 0.577350269189625764509148780501957456_f64; /// Euler's number (e) diff --git a/library/core/src/ops/mod.rs b/library/core/src/ops/mod.rs index 87dd873fdb5..ab1ad407ee2 100644 --- a/library/core/src/ops/mod.rs +++ b/library/core/src/ops/mod.rs @@ -149,6 +149,7 @@ mod function; mod index; mod index_range; mod range; +mod reborrow; mod try_trait; mod unsize; @@ -189,6 +190,8 @@ pub use self::range::{Bound, RangeBounds, RangeInclusive, RangeToInclusive}; pub use self::range::{OneSidedRange, OneSidedRangeBound}; #[stable(feature = "rust1", since = "1.0.0")] pub use self::range::{Range, RangeFrom, RangeFull, RangeTo}; +#[unstable(feature = "reborrow", issue = "145612")] +pub use self::reborrow::{CoerceShared, Reborrow}; #[unstable(feature = "try_trait_v2_residual", issue = "91285")] pub use self::try_trait::Residual; #[unstable(feature = "try_trait_v2_yeet", issue = "96374")] diff --git a/library/core/src/ops/reborrow.rs b/library/core/src/ops/reborrow.rs new file mode 100644 index 00000000000..f83f4233a4d --- /dev/null +++ b/library/core/src/ops/reborrow.rs @@ -0,0 +1,16 @@ +/// Allows value to be reborrowed as exclusive, creating a copy of the value +/// that disables the source for reads and writes for the lifetime of the copy. +#[lang = "reborrow"] +#[unstable(feature = "reborrow", issue = "145612")] +pub trait Reborrow { + // Empty. +} + +/// Allows reborrowable value to be reborrowed as shared, creating a copy +/// that disables the source for writes for the lifetime of the copy. +#[lang = "coerce_shared"] +#[unstable(feature = "reborrow", issue = "145612")] +pub trait CoerceShared: Reborrow { + /// The type of this value when reborrowed as shared. + type Target: Copy; +} diff --git a/library/core/src/os/darwin/objc.rs b/library/core/src/os/darwin/objc.rs index 928cb54e82c..df3aab867e8 100644 --- a/library/core/src/os/darwin/objc.rs +++ b/library/core/src/os/darwin/objc.rs @@ -6,7 +6,7 @@ use crate::fmt; /// Equivalent to Objective-C’s `struct objc_class` type. -#[cfg_attr(not(doc), repr(u8))] // An implementation detail we don't want to show up in rustdoc +#[repr(u8)] pub enum objc_class { #[unstable( feature = "objc_class_variant", @@ -31,7 +31,7 @@ impl fmt::Debug for objc_class { } /// Equivalent to Objective-C’s `struct objc_selector` type. -#[cfg_attr(not(doc), repr(u8))] // An implementation detail we don't want to show up in rustdoc +#[repr(u8)] pub enum objc_selector { #[unstable( feature = "objc_selector_variant", diff --git a/library/core/src/sync/exclusive.rs b/library/core/src/sync/exclusive.rs index cf086bf4f50..f181c5514f2 100644 --- a/library/core/src/sync/exclusive.rs +++ b/library/core/src/sync/exclusive.rs @@ -1,28 +1,32 @@ //! Defines [`Exclusive`]. +use core::cmp::Ordering; use core::fmt; use core::future::Future; -use core::marker::Tuple; +use core::hash::{Hash, Hasher}; +use core::marker::{StructuralPartialEq, Tuple}; use core::ops::{Coroutine, CoroutineState}; use core::pin::Pin; use core::task::{Context, Poll}; -/// `Exclusive` provides only _mutable_ access, also referred to as _exclusive_ -/// access to the underlying value. It provides no _immutable_, or _shared_ -/// access to the underlying value. +/// `Exclusive` provides _mutable_ access, also referred to as _exclusive_ +/// access to the underlying value. However, it only permits _immutable_, or _shared_ +/// access to the underlying value when that value is [`Sync`]. /// /// While this may seem not very useful, it allows `Exclusive` to _unconditionally_ -/// implement [`Sync`]. Indeed, the safety requirements of `Sync` state that for `Exclusive` +/// implement `Sync`. Indeed, the safety requirements of `Sync` state that for `Exclusive` /// to be `Sync`, it must be sound to _share_ across threads, that is, it must be sound -/// for `&Exclusive` to cross thread boundaries. By design, a `&Exclusive` has no API -/// whatsoever, making it useless, thus harmless, thus memory safe. +/// for `&Exclusive` to cross thread boundaries. By design, a `&Exclusive<T>` for non-`Sync` T +/// has no API whatsoever, making it useless, thus harmless, thus memory safe. /// /// Certain constructs like [`Future`]s can only be used with _exclusive_ access, /// and are often `Send` but not `Sync`, so `Exclusive` can be used as hint to the /// Rust compiler that something is `Sync` in practice. /// /// ## Examples -/// Using a non-`Sync` future prevents the wrapping struct from being `Sync` +/// +/// Using a non-`Sync` future prevents the wrapping struct from being `Sync`: +/// /// ```compile_fail /// use core::cell::Cell; /// @@ -43,7 +47,8 @@ use core::task::{Context, Poll}; /// ``` /// /// `Exclusive` ensures the struct is `Sync` without stripping the future of its -/// functionality. +/// functionality: +/// /// ``` /// #![feature(exclusive_wrapper)] /// use core::cell::Cell; @@ -66,6 +71,7 @@ use core::task::{Context, Poll}; /// ``` /// /// ## Parallels with a mutex +/// /// In some sense, `Exclusive` can be thought of as a _compile-time_ version of /// a mutex, as the borrow-checker guarantees that only one `&mut` can exist /// for any value. This is a parallel with the fact that @@ -75,7 +81,7 @@ use core::task::{Context, Poll}; #[doc(alias = "SyncWrapper")] #[doc(alias = "SyncCell")] #[doc(alias = "Unique")] -// `Exclusive` can't have `PartialOrd`, `Clone`, etc. impls as they would +// `Exclusive` can't have derived `PartialOrd`, `Clone`, etc. impls as they would // use `&` access to the inner value, violating the `Sync` impl's safety // requirements. #[derive(Default)] @@ -196,6 +202,17 @@ where } #[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<F, Args> Fn<Args> for Exclusive<F> +where + F: Sync + Fn<Args>, + Args: Tuple, +{ + extern "rust-call" fn call(&self, args: Args) -> Self::Output { + self.as_ref().call(args) + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] impl<T> Future for Exclusive<T> where T: Future + ?Sized, @@ -221,3 +238,80 @@ where G::resume(self.get_pin_mut(), arg) } } + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> AsRef<T> for Exclusive<T> +where + T: Sync + ?Sized, +{ + #[inline] + fn as_ref(&self) -> &T { + &self.inner + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> Clone for Exclusive<T> +where + T: Sync + Clone, +{ + #[inline] + fn clone(&self) -> Self { + Self { inner: self.inner.clone() } + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> Copy for Exclusive<T> where T: Sync + Copy {} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T, U> PartialEq<Exclusive<U>> for Exclusive<T> +where + T: Sync + PartialEq<U> + ?Sized, + U: Sync + ?Sized, +{ + #[inline] + fn eq(&self, other: &Exclusive<U>) -> bool { + self.inner == other.inner + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> StructuralPartialEq for Exclusive<T> where T: Sync + StructuralPartialEq + ?Sized {} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> Eq for Exclusive<T> where T: Sync + Eq + ?Sized {} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> Hash for Exclusive<T> +where + T: Sync + Hash + ?Sized, +{ + #[inline] + fn hash<H: Hasher>(&self, state: &mut H) { + Hash::hash(&self.inner, state) + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T, U> PartialOrd<Exclusive<U>> for Exclusive<T> +where + T: Sync + PartialOrd<U> + ?Sized, + U: Sync + ?Sized, +{ + #[inline] + fn partial_cmp(&self, other: &Exclusive<U>) -> Option<Ordering> { + self.inner.partial_cmp(&other.inner) + } +} + +#[unstable(feature = "exclusive_wrapper", issue = "98407")] +impl<T> Ord for Exclusive<T> +where + T: Sync + Ord + ?Sized, +{ + #[inline] + fn cmp(&self, other: &Self) -> Ordering { + self.inner.cmp(&other.inner) + } +} diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index a45edd08e8c..25a4661a0bc 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -3234,7 +3234,7 @@ fn inlined_slow_read_byte<R: Read>(reader: &mut R) -> Option<Result<u8>> { } } -// Used by `BufReader::spec_read_byte`, for which the `inline(ever)` is +// Used by `BufReader::spec_read_byte`, for which the `inline(never)` is // important. #[inline(never)] fn uninlined_slow_read_byte<R: Read>(reader: &mut R) -> Option<Result<u8>> { diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 61b7d170b8b..da41c1216c4 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -94,7 +94,7 @@ //! pull-requests for your suggested changes. //! //! Contributions are appreciated! If you see a part of the docs that can be -//! improved, submit a PR, or chat with us first on [Discord][rust-discord] +//! improved, submit a PR, or chat with us first on [Zulip][rust-zulip] //! #docs. //! //! # A Tour of The Rust Standard Library @@ -212,7 +212,7 @@ //! [multithreading]: thread //! [other]: #what-is-in-the-standard-library-documentation //! [primitive types]: ../book/ch03-02-data-types.html -//! [rust-discord]: https://discord.gg/rust-lang +//! [rust-zulip]: https://rust-lang.zulipchat.com/ //! [array]: prim@array //! [slice]: prim@slice diff --git a/library/std/src/os/net/linux_ext/tcp.rs b/library/std/src/os/net/linux_ext/tcp.rs index fde53ec4257..3f9b2bd3f4b 100644 --- a/library/std/src/os/net/linux_ext/tcp.rs +++ b/library/std/src/os/net/linux_ext/tcp.rs @@ -4,6 +4,8 @@ use crate::sealed::Sealed; use crate::sys_common::AsInner; +#[cfg(target_os = "linux")] +use crate::time::Duration; use crate::{io, net}; /// Os-specific extensions for [`TcpStream`] @@ -59,11 +61,13 @@ pub trait TcpStreamExt: Sealed { /// A socket listener will be awakened solely when data arrives. /// - /// The `accept` argument set the delay in seconds until the + /// The `accept` argument set the maximum delay until the /// data is available to read, reducing the number of short lived /// connections without data to process. /// Contrary to other platforms `SO_ACCEPTFILTER` feature equivalent, there is /// no necessity to set it after the `listen` call. + /// Note that the delay is expressed as Duration from user's perspective + /// the call rounds it down to the nearest second expressible as a `c_int`. /// /// See [`man 7 tcp`](https://man7.org/linux/man-pages/man7/tcp.7.html) /// @@ -73,16 +77,17 @@ pub trait TcpStreamExt: Sealed { /// #![feature(tcp_deferaccept)] /// use std::net::TcpStream; /// use std::os::linux::net::TcpStreamExt; + /// use std::time::Duration; /// /// let stream = TcpStream::connect("127.0.0.1:8080") /// .expect("Couldn't connect to the server..."); - /// stream.set_deferaccept(1).expect("set_deferaccept call failed"); + /// stream.set_deferaccept(Duration::from_secs(1u64)).expect("set_deferaccept call failed"); /// ``` #[unstable(feature = "tcp_deferaccept", issue = "119639")] #[cfg(target_os = "linux")] - fn set_deferaccept(&self, accept: u32) -> io::Result<()>; + fn set_deferaccept(&self, accept: Duration) -> io::Result<()>; - /// Gets the accept delay value (in seconds) of the `TCP_DEFER_ACCEPT` option. + /// Gets the accept delay value of the `TCP_DEFER_ACCEPT` option. /// /// For more information about this option, see [`TcpStreamExt::set_deferaccept`]. /// @@ -92,15 +97,16 @@ pub trait TcpStreamExt: Sealed { /// #![feature(tcp_deferaccept)] /// use std::net::TcpStream; /// use std::os::linux::net::TcpStreamExt; + /// use std::time::Duration; /// /// let stream = TcpStream::connect("127.0.0.1:8080") /// .expect("Couldn't connect to the server..."); - /// stream.set_deferaccept(1).expect("set_deferaccept call failed"); - /// assert_eq!(stream.deferaccept().unwrap_or(0), 1); + /// stream.set_deferaccept(Duration::from_secs(1u64)).expect("set_deferaccept call failed"); + /// assert_eq!(stream.deferaccept().unwrap(), Duration::from_secs(1u64)); /// ``` #[unstable(feature = "tcp_deferaccept", issue = "119639")] #[cfg(target_os = "linux")] - fn deferaccept(&self) -> io::Result<u32>; + fn deferaccept(&self) -> io::Result<Duration>; } #[stable(feature = "tcp_quickack", since = "1.89.0")] @@ -117,12 +123,12 @@ impl TcpStreamExt for net::TcpStream { } #[cfg(target_os = "linux")] - fn set_deferaccept(&self, accept: u32) -> io::Result<()> { + fn set_deferaccept(&self, accept: Duration) -> io::Result<()> { self.as_inner().as_inner().set_deferaccept(accept) } #[cfg(target_os = "linux")] - fn deferaccept(&self) -> io::Result<u32> { + fn deferaccept(&self) -> io::Result<Duration> { self.as_inner().as_inner().deferaccept() } } diff --git a/library/std/src/os/net/linux_ext/tests.rs b/library/std/src/os/net/linux_ext/tests.rs index 12f35696abc..0758b426ccc 100644 --- a/library/std/src/os/net/linux_ext/tests.rs +++ b/library/std/src/os/net/linux_ext/tests.rs @@ -32,6 +32,7 @@ fn deferaccept() { use crate::net::test::next_test_ip4; use crate::net::{TcpListener, TcpStream}; use crate::os::net::linux_ext::tcp::TcpStreamExt; + use crate::time::Duration; macro_rules! t { ($e:expr) => { @@ -43,10 +44,12 @@ fn deferaccept() { } let addr = next_test_ip4(); + let one = Duration::from_secs(1u64); + let zero = Duration::from_secs(0u64); let _listener = t!(TcpListener::bind(&addr)); let stream = t!(TcpStream::connect(&("localhost", addr.port()))); - stream.set_deferaccept(1).expect("set_deferaccept failed"); - assert_eq!(stream.deferaccept().unwrap(), 1); - stream.set_deferaccept(0).expect("set_deferaccept failed"); - assert_eq!(stream.deferaccept().unwrap(), 0); + stream.set_deferaccept(one).expect("set_deferaccept failed"); + assert_eq!(stream.deferaccept().unwrap(), one); + stream.set_deferaccept(zero).expect("set_deferaccept failed"); + assert_eq!(stream.deferaccept().unwrap(), zero); } diff --git a/library/std/src/sys/net/connection/socket/unix.rs b/library/std/src/sys/net/connection/socket/unix.rs index 8216f8d2fd5..a191576d93b 100644 --- a/library/std/src/sys/net/connection/socket/unix.rs +++ b/library/std/src/sys/net/connection/socket/unix.rs @@ -485,14 +485,15 @@ impl Socket { // bionic libc makes no use of this flag #[cfg(target_os = "linux")] - pub fn set_deferaccept(&self, accept: u32) -> io::Result<()> { - setsockopt(self, libc::IPPROTO_TCP, libc::TCP_DEFER_ACCEPT, accept as c_int) + pub fn set_deferaccept(&self, accept: Duration) -> io::Result<()> { + let val = cmp::min(accept.as_secs(), c_int::MAX as u64) as c_int; + setsockopt(self, libc::IPPROTO_TCP, libc::TCP_DEFER_ACCEPT, val) } #[cfg(target_os = "linux")] - pub fn deferaccept(&self) -> io::Result<u32> { + pub fn deferaccept(&self) -> io::Result<Duration> { let raw: c_int = getsockopt(self, libc::IPPROTO_TCP, libc::TCP_DEFER_ACCEPT)?; - Ok(raw as u32) + Ok(Duration::from_secs(raw as _)) } #[cfg(any(target_os = "freebsd", target_os = "netbsd"))] diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index f0b6068e06c..7c9f3b7992f 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -16,7 +16,7 @@ use crate::{fmt, io, iter, mem, ptr, slice, str}; const TMPBUF_SZ: usize = 128; -const PATH_SEPARATOR: u8 = if cfg!(target_os = "redox") { b';' } else { b':' }; +const PATH_SEPARATOR: u8 = b':'; unsafe extern "C" { #[cfg(not(any(target_os = "dragonfly", target_os = "vxworks", target_os = "rtems")))] diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 884b5750974..96b4e15433f 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1221,7 +1221,7 @@ pub fn rustc_cargo( // us a faster startup time. However GNU ld < 2.40 will error if we try to link a shared object // with direct references to protected symbols, so for now we only use protected symbols if // linking with LLD is enabled. - if builder.build.config.lld_mode.is_used() { + if builder.build.config.bootstrap_override_lld.is_used() { cargo.rustflag("-Zdefault-visibility=protected"); } @@ -1258,7 +1258,7 @@ pub fn rustc_cargo( // is already on by default in MSVC optimized builds, which is interpreted as --icf=all: // https://github.com/llvm/llvm-project/blob/3329cec2f79185bafd678f310fafadba2a8c76d2/lld/COFF/Driver.cpp#L1746 // https://github.com/rust-lang/rust/blob/f22819bcce4abaff7d1246a56eec493418f9f4ee/compiler/rustc_codegen_ssa/src/back/linker.rs#L827 - if builder.config.lld_mode.is_used() && !build_compiler.host.is_msvc() { + if builder.config.bootstrap_override_lld.is_used() && !build_compiler.host.is_msvc() { cargo.rustflag("-Clink-args=-Wl,--icf=all"); } diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 6d9e3b54156..271ce4cb950 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -41,7 +41,7 @@ use crate::core::config::toml::gcc::Gcc; use crate::core::config::toml::install::Install; use crate::core::config::toml::llvm::Llvm; use crate::core::config::toml::rust::{ - LldMode, Rust, RustOptimize, check_incompatible_options_for_ci_rustc, + BootstrapOverrideLld, Rust, RustOptimize, check_incompatible_options_for_ci_rustc, default_lld_opt_in_targets, parse_codegen_backends, }; use crate::core::config::toml::target::Target; @@ -174,7 +174,7 @@ pub struct Config { pub llvm_from_ci: bool, pub llvm_build_config: HashMap<String, String>, - pub lld_mode: LldMode, + pub bootstrap_override_lld: BootstrapOverrideLld, pub lld_enabled: bool, pub llvm_tools_enabled: bool, pub llvm_bitcode_linker_enabled: bool, @@ -567,7 +567,8 @@ impl Config { frame_pointers: rust_frame_pointers, stack_protector: rust_stack_protector, strip: rust_strip, - lld_mode: rust_lld_mode, + bootstrap_override_lld: rust_bootstrap_override_lld, + bootstrap_override_lld_legacy: rust_bootstrap_override_lld_legacy, std_features: rust_std_features, break_on_ice: rust_break_on_ice, } = toml.rust.unwrap_or_default(); @@ -615,6 +616,15 @@ impl Config { let Gcc { download_ci_gcc: gcc_download_ci_gcc } = toml.gcc.unwrap_or_default(); + if rust_bootstrap_override_lld.is_some() && rust_bootstrap_override_lld_legacy.is_some() { + panic!( + "Cannot use both `rust.use-lld` and `rust.bootstrap-override-lld`. Please use only `rust.bootstrap-override-lld`" + ); + } + + let bootstrap_override_lld = + rust_bootstrap_override_lld.or(rust_bootstrap_override_lld_legacy).unwrap_or_default(); + if rust_optimize.as_ref().is_some_and(|v| matches!(v, RustOptimize::Bool(false))) { eprintln!( "WARNING: setting `optimize` to `false` is known to cause errors and \ @@ -960,7 +970,7 @@ impl Config { let initial_rustfmt = build_rustfmt.or_else(|| maybe_download_rustfmt(&dwn_ctx, &out)); - if matches!(rust_lld_mode.unwrap_or_default(), LldMode::SelfContained) + if matches!(bootstrap_override_lld, BootstrapOverrideLld::SelfContained) && !lld_enabled && flags_stage.unwrap_or(0) > 0 { @@ -1172,6 +1182,7 @@ impl Config { backtrace_on_ice: rust_backtrace_on_ice.unwrap_or(false), bindir: install_bindir.map(PathBuf::from).unwrap_or("bin".into()), bootstrap_cache_path: build_bootstrap_cache_path, + bootstrap_override_lld, bypass_bootstrap_lock: flags_bypass_bootstrap_lock, cargo_info, cargo_native_static: build_cargo_native_static.unwrap_or(false), @@ -1238,7 +1249,6 @@ impl Config { libdir: install_libdir.map(PathBuf::from), library_docs_private_items: build_library_docs_private_items.unwrap_or(false), lld_enabled, - lld_mode: rust_lld_mode.unwrap_or_default(), lldb: build_lldb.map(PathBuf::from), llvm_allow_old_toolchain: llvm_allow_old_toolchain.unwrap_or(false), llvm_assertions, diff --git a/src/bootstrap/src/core/config/mod.rs b/src/bootstrap/src/core/config/mod.rs index 05a5dfc0bc5..56b87823a36 100644 --- a/src/bootstrap/src/core/config/mod.rs +++ b/src/bootstrap/src/core/config/mod.rs @@ -37,7 +37,7 @@ use serde_derive::Deserialize; pub use target_selection::TargetSelection; pub use toml::BUILDER_CONFIG_FILENAME; pub use toml::change_id::ChangeId; -pub use toml::rust::LldMode; +pub use toml::rust::BootstrapOverrideLld; pub use toml::target::Target; use crate::Display; diff --git a/src/bootstrap/src/core/config/tests.rs b/src/bootstrap/src/core/config/tests.rs index 4f2df76a156..e19604d4ab1 100644 --- a/src/bootstrap/src/core/config/tests.rs +++ b/src/bootstrap/src/core/config/tests.rs @@ -17,7 +17,9 @@ use crate::core::build_steps::clippy::{LintConfig, get_clippy_rules_in_order}; use crate::core::build_steps::llvm::LLVM_INVALIDATION_PATHS; use crate::core::build_steps::{llvm, test}; use crate::core::config::toml::TomlConfig; -use crate::core::config::{CompilerBuiltins, LldMode, StringOrBool, Target, TargetSelection}; +use crate::core::config::{ + BootstrapOverrideLld, CompilerBuiltins, StringOrBool, Target, TargetSelection, +}; use crate::utils::tests::TestCtx; use crate::utils::tests::git::git_test; @@ -222,11 +224,33 @@ fn verify_file_integrity() { #[test] fn rust_lld() { - assert!(matches!(parse("").lld_mode, LldMode::Unused)); - assert!(matches!(parse("rust.use-lld = \"self-contained\"").lld_mode, LldMode::SelfContained)); - assert!(matches!(parse("rust.use-lld = \"external\"").lld_mode, LldMode::External)); - assert!(matches!(parse("rust.use-lld = true").lld_mode, LldMode::External)); - assert!(matches!(parse("rust.use-lld = false").lld_mode, LldMode::Unused)); + assert!(matches!(parse("").bootstrap_override_lld, BootstrapOverrideLld::None)); + assert!(matches!( + parse("rust.bootstrap-override-lld = \"self-contained\"").bootstrap_override_lld, + BootstrapOverrideLld::SelfContained + )); + assert!(matches!( + parse("rust.bootstrap-override-lld = \"external\"").bootstrap_override_lld, + BootstrapOverrideLld::External + )); + assert!(matches!( + parse("rust.bootstrap-override-lld = true").bootstrap_override_lld, + BootstrapOverrideLld::External + )); + assert!(matches!( + parse("rust.bootstrap-override-lld = false").bootstrap_override_lld, + BootstrapOverrideLld::None + )); + + // Also check the legacy options + assert!(matches!( + parse("rust.use-lld = true").bootstrap_override_lld, + BootstrapOverrideLld::External + )); + assert!(matches!( + parse("rust.use-lld = false").bootstrap_override_lld, + BootstrapOverrideLld::None + )); } #[test] diff --git a/src/bootstrap/src/core/config/toml/rust.rs b/src/bootstrap/src/core/config/toml/rust.rs index e5987d7040a..ca9e0d0bc98 100644 --- a/src/bootstrap/src/core/config/toml/rust.rs +++ b/src/bootstrap/src/core/config/toml/rust.rs @@ -45,7 +45,9 @@ define_config! { codegen_backends: Option<Vec<String>> = "codegen-backends", llvm_bitcode_linker: Option<bool> = "llvm-bitcode-linker", lld: Option<bool> = "lld", - lld_mode: Option<LldMode> = "use-lld", + bootstrap_override_lld: Option<BootstrapOverrideLld> = "bootstrap-override-lld", + // FIXME: Remove this option in Spring 2026 + bootstrap_override_lld_legacy: Option<BootstrapOverrideLld> = "use-lld", llvm_tools: Option<bool> = "llvm-tools", deny_warnings: Option<bool> = "deny-warnings", backtrace_on_ice: Option<bool> = "backtrace-on-ice", @@ -70,22 +72,33 @@ define_config! { } } -/// LLD in bootstrap works like this: -/// - Self-contained lld: use `rust-lld` from the compiler's sysroot +/// Determines if we should override the linker used for linking Rust code built +/// during the bootstrapping process to be LLD. +/// +/// The primary use-case for this is to make local (re)builds of Rust code faster +/// when using bootstrap. +/// +/// This does not affect the *behavior* of the built/distributed compiler when invoked +/// outside of bootstrap. +/// It might affect its performance/binary size though, as that can depend on the +/// linker that links rustc. +/// +/// There are two ways of overriding the linker to be LLD: +/// - Self-contained LLD: use `rust-lld` from the compiler's sysroot /// - External: use an external `lld` binary /// /// It is configured depending on the target: /// 1) Everything except MSVC -/// - Self-contained: `-Clinker-flavor=gnu-lld-cc -Clink-self-contained=+linker` -/// - External: `-Clinker-flavor=gnu-lld-cc` +/// - Self-contained: `-Clinker-features=+lld -Clink-self-contained=+linker` +/// - External: `-Clinker-features=+lld` /// 2) MSVC /// - Self-contained: `-Clinker=<path to rust-lld>` /// - External: `-Clinker=lld` #[derive(Copy, Clone, Default, Debug, PartialEq)] -pub enum LldMode { - /// Do not use LLD +pub enum BootstrapOverrideLld { + /// Do not override the linker LLD #[default] - Unused, + None, /// Use `rust-lld` from the compiler's sysroot SelfContained, /// Use an externally provided `lld` binary. @@ -94,16 +107,16 @@ pub enum LldMode { External, } -impl LldMode { +impl BootstrapOverrideLld { pub fn is_used(&self) -> bool { match self { - LldMode::SelfContained | LldMode::External => true, - LldMode::Unused => false, + BootstrapOverrideLld::SelfContained | BootstrapOverrideLld::External => true, + BootstrapOverrideLld::None => false, } } } -impl<'de> Deserialize<'de> for LldMode { +impl<'de> Deserialize<'de> for BootstrapOverrideLld { fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>, @@ -111,7 +124,7 @@ impl<'de> Deserialize<'de> for LldMode { struct LldModeVisitor; impl serde::de::Visitor<'_> for LldModeVisitor { - type Value = LldMode; + type Value = BootstrapOverrideLld; fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { formatter.write_str("one of true, 'self-contained' or 'external'") @@ -121,7 +134,7 @@ impl<'de> Deserialize<'de> for LldMode { where E: serde::de::Error, { - Ok(if v { LldMode::External } else { LldMode::Unused }) + Ok(if v { BootstrapOverrideLld::External } else { BootstrapOverrideLld::None }) } fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> @@ -129,8 +142,8 @@ impl<'de> Deserialize<'de> for LldMode { E: serde::de::Error, { match v { - "external" => Ok(LldMode::External), - "self-contained" => Ok(LldMode::SelfContained), + "external" => Ok(BootstrapOverrideLld::External), + "self-contained" => Ok(BootstrapOverrideLld::SelfContained), _ => Err(E::custom(format!("unknown mode {v}"))), } } @@ -311,7 +324,6 @@ pub fn check_incompatible_options_for_ci_rustc( lto, stack_protector, strip, - lld_mode, jemalloc, rpath, channel, @@ -359,6 +371,8 @@ pub fn check_incompatible_options_for_ci_rustc( frame_pointers: _, break_on_ice: _, parallel_frontend_threads: _, + bootstrap_override_lld: _, + bootstrap_override_lld_legacy: _, } = ci_rust_config; // There are two kinds of checks for CI rustc incompatible options: @@ -374,7 +388,6 @@ pub fn check_incompatible_options_for_ci_rustc( err!(current_rust_config.debuginfo_level_rustc, debuginfo_level_rustc, "rust"); err!(current_rust_config.rpath, rpath, "rust"); err!(current_rust_config.strip, strip, "rust"); - err!(current_rust_config.lld_mode, lld_mode, "rust"); err!(current_rust_config.llvm_tools, llvm_tools, "rust"); err!(current_rust_config.llvm_bitcode_linker, llvm_bitcode_linker, "rust"); err!(current_rust_config.jemalloc, jemalloc, "rust"); diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index 37871f0fe1e..a096d116e73 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -506,7 +506,7 @@ pub(crate) fn maybe_download_rustfmt<'a>( return Some(PathBuf::new()); } - let VersionMetadata { date, version } = dwn_ctx.stage0_metadata.rustfmt.as_ref()?; + let VersionMetadata { date, version, .. } = dwn_ctx.stage0_metadata.rustfmt.as_ref()?; let channel = format!("{version}-{date}"); let host = dwn_ctx.host_target; diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 4f4d35673d5..d798639cc96 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -35,7 +35,7 @@ use utils::exec::ExecutionContext; use crate::core::builder; use crate::core::builder::Kind; -use crate::core::config::{DryRun, LldMode, LlvmLibunwind, TargetSelection, flags}; +use crate::core::config::{BootstrapOverrideLld, DryRun, LlvmLibunwind, TargetSelection, flags}; use crate::utils::exec::{BootstrapCommand, command}; use crate::utils::helpers::{self, dir_is_empty, exe, libdir, set_file_times, split_debuginfo}; @@ -1358,14 +1358,14 @@ impl Build { && !target.is_msvc() { Some(self.cc(target)) - } else if self.config.lld_mode.is_used() + } else if self.config.bootstrap_override_lld.is_used() && self.is_lld_direct_linker(target) && self.host_target == target { - match self.config.lld_mode { - LldMode::SelfContained => Some(self.initial_lld.clone()), - LldMode::External => Some("lld".into()), - LldMode::Unused => None, + match self.config.bootstrap_override_lld { + BootstrapOverrideLld::SelfContained => Some(self.initial_lld.clone()), + BootstrapOverrideLld::External => Some("lld".into()), + BootstrapOverrideLld::None => None, } } else { None diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index 6b187578c31..f311c84bec9 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -556,4 +556,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Info, summary: "New option `build.windows-rc` that will override which resource compiler on Windows will be used to compile Rust.", }, + ChangeInfo { + change_id: 99999, + severity: ChangeSeverity::Warning, + summary: "The `rust.use-lld` option has been renamed to `rust.bootstrap-override-lld`. Note that it only serves for overriding the linker used when building Rust code in bootstrap to be LLD.", + }, ]; diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index e802c0214dd..faada9a111d 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -12,7 +12,7 @@ use std::{env, fs, io, panic, str}; use object::read::archive::ArchiveFile; -use crate::LldMode; +use crate::BootstrapOverrideLld; use crate::core::builder::Builder; use crate::core::config::{Config, TargetSelection}; use crate::utils::exec::{BootstrapCommand, command}; @@ -357,15 +357,19 @@ pub fn get_clang_cl_resource_dir(builder: &Builder<'_>, clang_cl_path: &str) -> /// Returns a flag that configures LLD to use only a single thread. /// If we use an external LLD, we need to find out which version is it to know which flag should we /// pass to it (LLD older than version 10 had a different flag). -fn lld_flag_no_threads(builder: &Builder<'_>, lld_mode: LldMode, is_windows: bool) -> &'static str { +fn lld_flag_no_threads( + builder: &Builder<'_>, + bootstrap_override_lld: BootstrapOverrideLld, + is_windows: bool, +) -> &'static str { static LLD_NO_THREADS: OnceLock<(&'static str, &'static str)> = OnceLock::new(); let new_flags = ("/threads:1", "--threads=1"); let old_flags = ("/no-threads", "--no-threads"); let (windows_flag, other_flag) = LLD_NO_THREADS.get_or_init(|| { - let newer_version = match lld_mode { - LldMode::External => { + let newer_version = match bootstrap_override_lld { + BootstrapOverrideLld::External => { let mut cmd = command("lld"); cmd.arg("-flavor").arg("ld").arg("--version"); let out = cmd.run_capture_stdout(builder).stdout(); @@ -422,24 +426,28 @@ pub fn linker_flags( lld_threads: LldThreads, ) -> Vec<String> { let mut args = vec![]; - if !builder.is_lld_direct_linker(target) && builder.config.lld_mode.is_used() { - match builder.config.lld_mode { - LldMode::External => { + if !builder.is_lld_direct_linker(target) && builder.config.bootstrap_override_lld.is_used() { + match builder.config.bootstrap_override_lld { + BootstrapOverrideLld::External => { args.push("-Clinker-features=+lld".to_string()); args.push("-Zunstable-options".to_string()); } - LldMode::SelfContained => { + BootstrapOverrideLld::SelfContained => { args.push("-Clinker-features=+lld".to_string()); args.push("-Clink-self-contained=+linker".to_string()); args.push("-Zunstable-options".to_string()); } - LldMode::Unused => unreachable!(), + BootstrapOverrideLld::None => unreachable!(), }; if matches!(lld_threads, LldThreads::No) { args.push(format!( "-Clink-arg=-Wl,{}", - lld_flag_no_threads(builder, builder.config.lld_mode, target.is_windows()) + lld_flag_no_threads( + builder, + builder.config.bootstrap_override_lld, + target.is_windows() + ) )); } } diff --git a/src/build_helper/src/stage0_parser.rs b/src/build_helper/src/stage0_parser.rs index 2723f4aa7b9..3f3297dcd2b 100644 --- a/src/build_helper/src/stage0_parser.rs +++ b/src/build_helper/src/stage0_parser.rs @@ -10,6 +10,8 @@ pub struct Stage0 { #[derive(Default, Clone)] pub struct VersionMetadata { + pub channel_manifest_hash: String, + pub git_commit_hash: String, pub date: String, pub version: String, } @@ -50,9 +52,21 @@ pub fn parse_stage0_file() -> Stage0 { "git_merge_commit_email" => stage0.config.git_merge_commit_email = value.to_owned(), "nightly_branch" => stage0.config.nightly_branch = value.to_owned(), + "compiler_channel_manifest_hash" => { + stage0.compiler.channel_manifest_hash = value.to_owned() + } + "compiler_git_commit_hash" => stage0.compiler.git_commit_hash = value.to_owned(), "compiler_date" => stage0.compiler.date = value.to_owned(), "compiler_version" => stage0.compiler.version = value.to_owned(), + "rustfmt_channel_manifest_hash" => { + stage0.rustfmt.get_or_insert(VersionMetadata::default()).channel_manifest_hash = + value.to_owned(); + } + "rustfmt_git_commit_hash" => { + stage0.rustfmt.get_or_insert(VersionMetadata::default()).git_commit_hash = + value.to_owned(); + } "rustfmt_date" => { stage0.rustfmt.get_or_insert(VersionMetadata::default()).date = value.to_owned(); } diff --git a/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile b/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile index e726329753f..3abca36fe70 100644 --- a/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile +++ b/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile @@ -91,7 +91,7 @@ ENV RUST_CONFIGURE_ARGS \ --set llvm.ninja=false \ --set rust.debug-assertions=false \ --set rust.jemalloc \ - --set rust.use-lld=true \ + --set rust.bootstrap-override-lld=true \ --set rust.lto=thin \ --set rust.codegen-units=1 diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index 01f19eac1d2..cb574787619 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -92,7 +92,7 @@ ENV RUST_CONFIGURE_ARGS \ --set llvm.ninja=false \ --set llvm.libzstd=true \ --set rust.jemalloc \ - --set rust.use-lld=true \ + --set rust.bootstrap-override-lld=true \ --set rust.lto=thin \ --set rust.codegen-units=1 diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index 619eebd15bd..67882bb3813 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -121,6 +121,7 @@ - [\*-unknown-hermit](platform-support/hermit.md) - [\*-unknown-freebsd](platform-support/freebsd.md) - [\*-unknown-managarm-mlibc](platform-support/managarm.md) + - [\*-unknown-motor](platform-support/motor.md) - [\*-unknown-netbsd\*](platform-support/netbsd.md) - [\*-unknown-openbsd](platform-support/openbsd.md) - [\*-unknown-redox](platform-support/redox.md) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index c0882a7a45e..d0b6ed51bc1 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -431,7 +431,7 @@ target | std | host | notes `x86_64-unknown-l4re-uclibc` | ? | | [`x86_64-unknown-linux-none`](platform-support/x86_64-unknown-linux-none.md) | * | | 64-bit Linux with no libc [`x86_64-unknown-managarm-mlibc`](platform-support/managarm.md) | ? | | x86_64 Managarm -[`x86_64-unknown-motor`[(platform-support/motor.md) | ? | | x86_64 Motor OS +[`x86_64-unknown-motor`](platform-support/motor.md) | ? | | x86_64 Motor OS [`x86_64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 64-bit OpenBSD [`x86_64-unknown-trusty`](platform-support/trusty.md) | ✓ | | `x86_64-uwp-windows-gnu` | ✓ | | diff --git a/src/etc/pre-push.sh b/src/etc/pre-push.sh index 7bacc943f25..33ed2f0e406 100755 --- a/src/etc/pre-push.sh +++ b/src/etc/pre-push.sh @@ -26,7 +26,10 @@ ROOT_DIR="$(git rev-parse --show-toplevel)" echo "Running pre-push script $ROOT_DIR/x test tidy" cd "$ROOT_DIR" -./x test tidy --set build.locked-deps=true +# The env var is necessary for printing diffs in py (fmt/lint) and cpp. +TIDY_PRINT_DIFF=1 ./x test tidy \ + --set build.locked-deps=true \ + --extra-checks auto:py,auto:cpp,auto:js if [ $? -ne 0 ]; then echo "You may use \`git push --no-verify\` to skip this check." exit 1 diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index f37a8d85361..0988d099eb4 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -12,7 +12,7 @@ path = "lib.rs" arrayvec = { version = "0.7", default-features = false } askama = { version = "0.14", default-features = false, features = ["alloc", "config", "derive"] } base64 = "0.21.7" -indexmap = "2" +indexmap = { version = "2", features = ["serde"] } itertools = "0.12" minifier = { version = "0.3.5", default-features = false } pulldown-cmark-escape = { version = "0.11.0", features = ["simd"] } diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 95bd31729de..9499258f983 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -404,11 +404,15 @@ pub(crate) fn run_tests( std::mem::drop(temp_dir.take()); times.display_times(); }); + } else { + // If the first condition branch exited successfully, `test_main_with_exit_callback` will + // not exit the process. So to prevent displaying the times twice, we put it behind an + // `else` condition. + times.display_times(); } + // We ensure temp dir destructor is called. + std::mem::drop(temp_dir); if nb_errors != 0 { - // We ensure temp dir destructor is called. - std::mem::drop(temp_dir); - times.display_times(); std::process::exit(test::ERROR_EXIT_CODE); } } diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index ecaff4cdf43..856e637a458 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -37,10 +37,6 @@ use crate::html::escape::{Escape, EscapeBodyText}; use crate::html::render::Context; use crate::passes::collect_intra_doc_links::UrlFragment; -pub(crate) fn write_str(s: &mut String, f: fmt::Arguments<'_>) { - s.write_fmt(f).unwrap(); -} - pub(crate) fn print_generic_bounds( bounds: &[clean::GenericBound], cx: &Context<'_>, diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index d06540a65b5..97dcaf57cdf 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -48,6 +48,7 @@ use std::path::PathBuf; use std::{fs, str}; use askama::Template; +use indexmap::IndexMap; use itertools::Either; use rustc_ast::join_path_syms; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; @@ -60,8 +61,6 @@ use rustc_middle::ty::print::PrintTraitRefExt; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::{Symbol, sym}; use rustc_span::{BytePos, DUMMY_SP, FileName, RealFileName}; -use serde::ser::SerializeMap; -use serde::{Serialize, Serializer}; use tracing::{debug, info}; pub(crate) use self::context::*; @@ -77,7 +76,6 @@ use crate::html::escape::Escape; use crate::html::format::{ Ending, HrefError, PrintWithSpace, href, print_abi_with_space, print_constness_with_space, print_default_space, print_generic_bounds, print_where_clause, visibility_print_with_space, - write_str, }; use crate::html::markdown::{ HeadingOffset, IdMap, Markdown, MarkdownItemInfo, MarkdownSummaryLine, @@ -1477,12 +1475,10 @@ fn render_assoc_items_inner( ) } }; - let mut impls_buf = String::new(); - for i in &non_trait { - write_str( - &mut impls_buf, - format_args!( - "{}", + let impls_buf = fmt::from_fn(|f| { + non_trait + .iter() + .map(|i| { render_impl( cx, i, @@ -1498,9 +1494,11 @@ fn render_assoc_items_inner( toggle_open_by_default: true, }, ) - ), - ); - } + }) + .joined("", f) + }) + .to_string(); + if !impls_buf.is_empty() { write!( w, @@ -1652,91 +1650,85 @@ fn notable_traits_button(ty: &clean::Type, cx: &Context<'_>) -> Option<impl fmt: } fn notable_traits_decl(ty: &clean::Type, cx: &Context<'_>) -> (String, String) { - let mut out = String::new(); - let did = ty.def_id(cx.cache()).expect("notable_traits_button already checked this"); let impls = cx.cache().impls.get(&did).expect("notable_traits_button already checked this"); - for i in impls { - let impl_ = i.inner_impl(); - if impl_.polarity != ty::ImplPolarity::Positive { - continue; - } - - if !ty.is_doc_subtype_of(&impl_.for_, cx.cache()) { - // Two different types might have the same did, - // without actually being the same. - continue; - } - if let Some(trait_) = &impl_.trait_ { - let trait_did = trait_.def_id(); - - if cx.cache().traits.get(&trait_did).is_some_and(|t| t.is_notable_trait(cx.tcx())) { - if out.is_empty() { - write_str( - &mut out, - format_args!( - "<h3>Notable traits for <code>{}</code></h3>\ - <pre><code>", - impl_.for_.print(cx) - ), - ); + let out = fmt::from_fn(|f| { + let mut notable_impls = impls + .iter() + .map(|impl_| impl_.inner_impl()) + .filter(|impl_| impl_.polarity == ty::ImplPolarity::Positive) + .filter(|impl_| { + // Two different types might have the same did, without actually being the same. + ty.is_doc_subtype_of(&impl_.for_, cx.cache()) + }) + .filter_map(|impl_| { + if let Some(trait_) = &impl_.trait_ + && let trait_did = trait_.def_id() + && let Some(trait_) = cx.cache().traits.get(&trait_did) + && trait_.is_notable_trait(cx.tcx()) + { + Some((impl_, trait_did)) + } else { + None } + }) + .peekable(); - write_str( - &mut out, - format_args!("<div class=\"where\">{}</div>", impl_.print(false, cx)), - ); - for it in &impl_.items { - if let clean::AssocTypeItem(ref tydef, ref _bounds) = it.kind { - let empty_set = FxIndexSet::default(); - let src_link = AssocItemLink::GotoSource(trait_did.into(), &empty_set); - write_str( - &mut out, - format_args!( - "<div class=\"where\"> {};</div>", - assoc_type( - it, - &tydef.generics, - &[], // intentionally leaving out bounds - Some(&tydef.type_), - src_link, - 0, - cx, - ) - ), - ); - } - } + let has_notable_impl = if let Some((impl_, _)) = notable_impls.peek() { + write!( + f, + "<h3>Notable traits for <code>{}</code></h3>\ + <pre><code>", + impl_.for_.print(cx) + )?; + true + } else { + false + }; + + for (impl_, trait_did) in notable_impls { + write!(f, "<div class=\"where\">{}</div>", impl_.print(false, cx))?; + for it in &impl_.items { + let clean::AssocTypeItem(tydef, ..) = &it.kind else { + continue; + }; + + let empty_set = FxIndexSet::default(); + let src_link = AssocItemLink::GotoSource(trait_did.into(), &empty_set); + + write!( + f, + "<div class=\"where\"> {};</div>", + assoc_type( + it, + &tydef.generics, + &[], // intentionally leaving out bounds + Some(&tydef.type_), + src_link, + 0, + cx, + ) + )?; } } - } - if out.is_empty() { - out.push_str("</code></pre>"); - } + + if !has_notable_impl { + f.write_str("</code></pre>")?; + } + + Ok(()) + }) + .to_string(); (format!("{:#}", ty.print(cx)), out) } fn notable_traits_json<'a>(tys: impl Iterator<Item = &'a clean::Type>, cx: &Context<'_>) -> String { - let mut mp: Vec<(String, String)> = tys.map(|ty| notable_traits_decl(ty, cx)).collect(); - mp.sort_by(|(name1, _html1), (name2, _html2)| name1.cmp(name2)); - struct NotableTraitsMap(Vec<(String, String)>); - impl Serialize for NotableTraitsMap { - fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> - where - S: Serializer, - { - let mut map = serializer.serialize_map(Some(self.0.len()))?; - for item in &self.0 { - map.serialize_entry(&item.0, &item.1)?; - } - map.end() - } - } - serde_json::to_string(&NotableTraitsMap(mp)) - .expect("serialize (string, string) -> json object cannot fail") + let mut mp = tys.map(|ty| notable_traits_decl(ty, cx)).collect::<IndexMap<_, _>>(); + mp.sort_unstable_keys(); + serde_json::to_string(&mp).expect("serialize (string, string) -> json object cannot fail") } #[derive(Clone, Copy, Debug)] @@ -1810,27 +1802,19 @@ fn render_impl( document_item_info(cx, it, Some(parent)) .render_into(&mut info_buffer) .unwrap(); - write_str( - &mut doc_buffer, - format_args!("{}", document_full(item, cx, HeadingOffset::H5)), - ); + doc_buffer = document_full(item, cx, HeadingOffset::H5).to_string(); short_documented = false; } else { // In case the item isn't documented, // provide short documentation from the trait. - write_str( - &mut doc_buffer, - format_args!( - "{}", - document_short( - it, - cx, - link, - parent, - rendering_params.show_def_docs, - ) - ), - ); + doc_buffer = document_short( + it, + cx, + link, + parent, + rendering_params.show_def_docs, + ) + .to_string(); } } } else { @@ -1838,21 +1822,14 @@ fn render_impl( .render_into(&mut info_buffer) .unwrap(); if rendering_params.show_def_docs { - write_str( - &mut doc_buffer, - format_args!("{}", document_full(item, cx, HeadingOffset::H5)), - ); + doc_buffer = document_full(item, cx, HeadingOffset::H5).to_string(); short_documented = false; } } } else { - write_str( - &mut doc_buffer, - format_args!( - "{}", - document_short(item, cx, link, parent, rendering_params.show_def_docs) - ), - ); + doc_buffer = + document_short(item, cx, link, parent, rendering_params.show_def_docs) + .to_string(); } } let mut w = if short_documented && trait_.is_some() { diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index 3ffce61f7c6..7b21c68d2e9 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -241,6 +241,34 @@ impl SerializedSearchIndex { self.alias_pointers.push(alias_pointer); index } + /// Add potential search result to the database and return the row ID. + /// + /// The returned ID can be used to attach more data to the search result. + fn add_entry(&mut self, name: Symbol, entry_data: EntryData, desc: String) -> usize { + let fqp = if let Some(module_path_index) = entry_data.module_path { + let mut fqp = self.path_data[module_path_index].as_ref().unwrap().module_path.clone(); + fqp.push(Symbol::intern(&self.names[module_path_index])); + fqp.push(name); + fqp + } else { + vec![name] + }; + // If a path with the same name already exists, but no entry does, + // we can fill in the entry without having to allocate a new row ID. + // + // Because paths and entries both share the same index, using the same + // ID saves space by making the tree smaller. + if let Some(&other_path) = self.crate_paths_index.get(&(entry_data.ty, fqp)) + && self.entry_data[other_path].is_none() + && self.descs[other_path].is_empty() + { + self.entry_data[other_path] = Some(entry_data); + self.descs[other_path] = desc; + other_path + } else { + self.push(name.as_str().to_string(), None, Some(entry_data), desc, None, None, None) + } + } fn push_path(&mut self, name: String, path_data: PathData) -> usize { self.push(name, Some(path_data), None, String::new(), None, None, None) } @@ -1516,10 +1544,9 @@ pub(crate) fn build_index( .as_ref() .map(|path| serialized_index.get_id_by_module_path(path)); - let new_entry_id = serialized_index.push( - item.name.as_str().to_string(), - None, - Some(EntryData { + let new_entry_id = serialized_index.add_entry( + item.name, + EntryData { ty: item.ty, parent: item.parent_idx, module_path, @@ -1538,11 +1565,8 @@ pub(crate) fn build_index( None }, krate: crate_idx, - }), + }, item.desc.to_string(), - None, // filled in after all the types have been indexed - None, - None, ); // Aliases diff --git a/src/stage0 b/src/stage0 index 6d2f0402f4a..556ced41d3d 100644 --- a/src/stage0 +++ b/src/stage0 @@ -13,506 +13,528 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2025-09-16 +compiler_channel_manifest_hash=55f3014ea3a3b17cfa5060d9188fd13d13b065456661a3d670dd061719713f32 +compiler_git_commit_hash=bb624dcb4c8ab987e10c0808d92d76f3b84dd117 +compiler_date=2025-09-21 compiler_version=beta -rustfmt_date=2025-09-16 +rustfmt_channel_manifest_hash=2f19b9b74a17d0283264a227ed552d7df6729929fcb73b2d5bb321feed8a5c85 +rustfmt_git_commit_hash=54a8a1db604e4caff93e26e167ad4a6fde9f0681 +rustfmt_date=2025-09-27 rustfmt_version=nightly -dist/2025-09-16/rustc-beta-aarch64-apple-darwin.tar.gz=3e3fbcf51f2632b8890b38537ea5446147b85fd62b21798b4fb2a032a4abd6c9 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+dist/2025-09-27/rustc-nightly-x86_64-unknown-netbsd.tar.xz=977612fd1ed20d57b95e577dd9b3632209fb1f376f46c66467e2a2ccdd7d29f0 +dist/2025-09-27/rust-nightly-aarch64-pc-windows-msvc.msi=b39edbdc83f4329be0e194be1b7e002e764153628bb107bdc77e6f8c2331abe1 +dist/2025-09-27/rust-nightly-i686-pc-windows-gnu.msi=d023b88f94d2d25b4a29c03d4e1243484fd7a20d67753fd3e9a10e6f39069df8 +dist/2025-09-27/rust-nightly-i686-pc-windows-msvc.msi=8441a5f6e8650613b5b9c0c2778bc88bcf259fd4f3acd226a6ec52f1b4a960cb +dist/2025-09-27/rust-nightly-x86_64-pc-windows-gnu.msi=15a83b7056623d30dc1d47560151ec79e2cb7db1d229069085e73b782347e8e7 +dist/2025-09-27/rust-nightly-x86_64-pc-windows-msvc.msi=607a9219272d8b41fd6bedf884515d3584471c75be19f9353c1c67826c115aea +dist/2025-09-27/rust-nightly-aarch64-apple-darwin.pkg=55cc7129e581244dcbc567eb905183ff3e45edc8847fc58cb350394e6df55e96 +dist/2025-09-27/rust-nightly-x86_64-apple-darwin.pkg=a6add14a01bfd77634e67425db47cf63144dbc0b618beeaa4f37be2d7103146c +dist/2025-09-27/rustc-nightly-src.tar.gz=419d5aea9252c3a9377fcfefe0a0e91b7be1354b9c33e36e346c547c4a9ec3eb +dist/2025-09-27/rustc-nightly-src.tar.xz=fd454f13408f045e3ba1d4618699a3c6e42fcc66902c37972aa3729bb681d951 diff --git a/src/tools/bump-stage0/Cargo.toml b/src/tools/bump-stage0/Cargo.toml index 79097f2c189..943b8453ef8 100644 --- a/src/tools/bump-stage0/Cargo.toml +++ b/src/tools/bump-stage0/Cargo.toml @@ -9,6 +9,8 @@ edition = "2021" anyhow = "1.0.34" build_helper = { path = "../../build_helper" } curl = "0.4.38" +hex = "0.4.3" indexmap = { version = "2.0.0", features = ["serde"] } serde = { version = "1.0.125", features = ["derive"] } toml = "0.8.23" +sha2 = "0.10.1" diff --git a/src/tools/bump-stage0/src/main.rs b/src/tools/bump-stage0/src/main.rs index faed748785f..079e7b1ce71 100644 --- a/src/tools/bump-stage0/src/main.rs +++ b/src/tools/bump-stage0/src/main.rs @@ -4,6 +4,7 @@ use anyhow::{Context, Error}; use build_helper::stage0_parser::{Stage0Config, VersionMetadata, parse_stage0_file}; use curl::easy::Easy; use indexmap::IndexMap; +use sha2::{Digest, Sha256}; const PATH: &str = "src/stage0"; const COMPILER_COMPONENTS: &[&str] = &["rustc", "rust-std", "cargo", "clippy-preview"]; @@ -13,13 +14,14 @@ struct Tool { config: Stage0Config, channel: Channel, - date: Option<String>, + compiler_date: Option<String>, + rustfmt_date: Option<String>, version: [u16; 3], checksums: IndexMap<String, String>, } impl Tool { - fn new(date: Option<String>) -> Result<Self, Error> { + fn new(compiler_date: Option<String>, rustfmt_date: Option<String>) -> Result<Self, Error> { let channel = match std::fs::read_to_string("src/ci/channel")?.trim() { "stable" => Channel::Stable, "beta" => Channel::Beta, @@ -38,7 +40,14 @@ impl Tool { let existing = parse_stage0_file(); - Ok(Self { channel, version, date, config: existing.config, checksums: IndexMap::new() }) + Ok(Self { + channel, + version, + compiler_date, + rustfmt_date, + config: existing.config, + checksums: IndexMap::new(), + }) } fn update_stage0_file(mut self) -> Result<(), Error> { @@ -78,10 +87,21 @@ impl Tool { file_content.push_str("\n"); let compiler = self.detect_compiler()?; + file_content.push_str(&format!( + "compiler_channel_manifest_hash={}\n", + compiler.channel_manifest_hash + )); + file_content.push_str(&format!("compiler_git_commit_hash={}\n", compiler.git_commit_hash)); file_content.push_str(&format!("compiler_date={}\n", compiler.date)); file_content.push_str(&format!("compiler_version={}\n", compiler.version)); if let Some(rustfmt) = self.detect_rustfmt()? { + file_content.push_str(&format!( + "rustfmt_channel_manifest_hash={}\n", + rustfmt.channel_manifest_hash + )); + file_content + .push_str(&format!("rustfmt_git_commit_hash={}\n", rustfmt.git_commit_hash)); file_content.push_str(&format!("rustfmt_date={}\n", rustfmt.date)); file_content.push_str(&format!("rustfmt_version={}\n", rustfmt.version)); } @@ -112,9 +132,16 @@ impl Tool { Channel::Nightly => "beta".to_string(), }; - let manifest = fetch_manifest(&self.config, &channel, self.date.as_deref())?; + let (manifest, manifest_hash) = + fetch_manifest(&self.config, &channel, self.compiler_date.as_deref())?; self.collect_checksums(&manifest, COMPILER_COMPONENTS)?; Ok(VersionMetadata { + channel_manifest_hash: manifest_hash, + git_commit_hash: manifest.pkg["rust"] + .git_commit_hash + .as_ref() + .expect("invalid git_commit_hash") + .into(), date: manifest.date, version: if self.channel == Channel::Nightly { "beta".to_string() @@ -138,9 +165,19 @@ impl Tool { return Ok(None); } - let manifest = fetch_manifest(&self.config, "nightly", self.date.as_deref())?; + let (manifest, manifest_hash) = + fetch_manifest(&self.config, "nightly", self.rustfmt_date.as_deref())?; self.collect_checksums(&manifest, RUSTFMT_COMPONENTS)?; - Ok(Some(VersionMetadata { date: manifest.date, version: "nightly".into() })) + Ok(Some(VersionMetadata { + channel_manifest_hash: manifest_hash, + git_commit_hash: manifest.pkg["rust"] + .git_commit_hash + .as_ref() + .expect("invalid git_commit_hash") + .into(), + date: manifest.date, + version: "nightly".into(), + })) } fn collect_checksums(&mut self, manifest: &Manifest, components: &[&str]) -> Result<(), Error> { @@ -164,12 +201,29 @@ impl Tool { } } } + for artifact in manifest.artifacts.values() { + for targets in artifact.target.values() { + for target in targets { + let url = target + .url + .strip_prefix(&prefix) + .ok_or_else(|| { + anyhow::anyhow!( + "url doesn't start with dist server base: {}", + target.url + ) + })? + .to_string(); + self.checksums.insert(url, target.hash_sha256.clone()); + } + } + } Ok(()) } } fn main() -> Result<(), Error> { - let tool = Tool::new(std::env::args().nth(1))?; + let tool = Tool::new(std::env::args().nth(1), std::env::args().nth(2))?; tool.update_stage0_file()?; Ok(()) } @@ -178,18 +232,24 @@ fn fetch_manifest( config: &Stage0Config, channel: &str, date: Option<&str>, -) -> Result<Manifest, Error> { +) -> Result<(Manifest, String), Error> { let url = if let Some(date) = date { format!("{}/dist/{}/channel-rust-{}.toml", config.dist_server, date, channel) } else { format!("{}/dist/channel-rust-{}.toml", config.dist_server, channel) }; + let manifest_bytes = http_get(&url)?; + + let mut sha256 = Sha256::new(); + sha256.update(&manifest_bytes); + let manifest_hash = hex::encode(sha256.finalize()); + // FIXME: on newer `toml` (>= `0.9.*`), use `toml::from_slice`. For now, we use the most recent // `toml` available in-tree which is `0.8.*`, so we have to do an additional dance here. - let response = http_get(&url)?; - let response = String::from_utf8(response)?; - Ok(toml::from_str(&response)?) + let manifest_str = String::from_utf8(manifest_bytes)?; + let manifest = toml::from_str(&manifest_str)?; + Ok((manifest, manifest_hash)) } fn http_get(url: &str) -> Result<Vec<u8>, Error> { @@ -219,11 +279,14 @@ enum Channel { struct Manifest { date: String, pkg: IndexMap<String, ManifestPackage>, + artifacts: IndexMap<String, ManifestArtifact>, } #[derive(Debug, serde::Serialize, serde::Deserialize)] struct ManifestPackage { version: String, + #[serde(default)] + git_commit_hash: Option<String>, target: IndexMap<String, ManifestTargetPackage>, } @@ -234,3 +297,15 @@ struct ManifestTargetPackage { xz_url: Option<String>, xz_hash: Option<String>, } + +#[derive(Debug, serde::Serialize, serde::Deserialize)] +struct ManifestArtifact { + target: IndexMap<String, Vec<ManifestTargetArtifact>>, +} + +#[derive(Debug, serde::Serialize, serde::Deserialize)] +#[serde(rename_all = "kebab-case")] +struct ManifestTargetArtifact { + url: String, + hash_sha256: String, +} diff --git a/src/tools/compiletest/src/panic_hook.rs b/src/tools/compiletest/src/panic_hook.rs index 1661ca6dabe..4f1e2547518 100644 --- a/src/tools/compiletest/src/panic_hook.rs +++ b/src/tools/compiletest/src/panic_hook.rs @@ -42,7 +42,7 @@ fn custom_panic_hook(default_hook: &PanicHook, info: &panic::PanicHookInfo<'_>) let thread = thread::current().name().unwrap_or("(test runner)").to_owned(); let location = get_location(info); - let payload = payload_as_str(info).unwrap_or("Box<dyn Any>"); + let payload = info.payload_as_str().unwrap_or("Box<dyn Any>"); let backtrace = Backtrace::capture(); writeln!(out, "\nthread '{thread}' panicked at {location}:\n{payload}").unwrap(); @@ -72,19 +72,6 @@ fn get_location<'a>(info: &'a PanicHookInfo<'_>) -> &'a dyn Display { } } -/// FIXME(Zalathar): Replace with `PanicHookInfo::payload_as_str` when that's -/// stable in beta. -fn payload_as_str<'a>(info: &'a PanicHookInfo<'_>) -> Option<&'a str> { - let payload = info.payload(); - if let Some(s) = payload.downcast_ref::<&str>() { - Some(s) - } else if let Some(s) = payload.downcast_ref::<String>() { - Some(s) - } else { - None - } -} - fn rust_backtrace_full() -> bool { static RUST_BACKTRACE_FULL: LazyLock<bool> = LazyLock::new(|| matches!(env::var("RUST_BACKTRACE").as_deref(), Ok("full"))); diff --git a/src/tools/miri/tests/pass/both_borrows/smallvec.rs b/src/tools/miri/tests/pass/both_borrows/smallvec.rs index f48815e37be..fa5cfb03de2 100644 --- a/src/tools/miri/tests/pass/both_borrows/smallvec.rs +++ b/src/tools/miri/tests/pass/both_borrows/smallvec.rs @@ -25,7 +25,7 @@ impl<T, const N: usize> RawSmallVec<T, N> { } const fn as_mut_ptr_inline(&mut self) -> *mut T { - (unsafe { &raw mut self.inline }) as *mut T + &raw mut self.inline as *mut T } const unsafe fn as_mut_ptr_heap(&mut self) -> *mut T { diff --git a/tests/codegen-llvm/autodiff/typetree.rs b/tests/codegen-llvm/autodiff/typetree.rs new file mode 100644 index 00000000000..1cb0c2fb68b --- /dev/null +++ b/tests/codegen-llvm/autodiff/typetree.rs @@ -0,0 +1,33 @@ +//@ compile-flags: -Zautodiff=Enable -C opt-level=3 -Clto=fat +//@ no-prefer-dynamic +//@ needs-enzyme + +// Test that basic autodiff still works with our TypeTree infrastructure +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_simple, Duplicated, Active)] +#[no_mangle] +#[inline(never)] +fn simple(x: &f64) -> f64 { + 2.0 * x +} + +// CHECK-LABEL: @simple +// CHECK: fmul double + +// The derivative function should be generated normally +// CHECK-LABEL: diffesimple +// CHECK: fadd fast double + +fn main() { + let x = std::hint::black_box(3.0); + let output = simple(&x); + assert_eq!(6.0, output); + + let mut df_dx = 0.0; + let output_ = d_simple(&x, &mut df_dx, 1.0); + assert_eq!(output, output_); + assert_eq!(2.0, df_dx); +} diff --git a/tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs b/tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs index 853a1ff36b1..a0b453fac8e 100644 --- a/tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs +++ b/tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs @@ -1,4 +1,7 @@ //@ compile-flags: -Copt-level=3 +//@ revisions: new old +//@ [old] max-llvm-major-version: 21 +//@ [new] min-llvm-version: 22 #![crate_type = "lib"] @@ -22,8 +25,8 @@ pub unsafe fn update(s: *mut State) { // CHECK-NOT: memcpy // CHECK-NOT: 75{{3|4}} - // CHECK: %[[TAG:.+]] = load i8, ptr %s, align 1 - // CHECK-NEXT: trunc nuw i8 %[[TAG]] to i1 + // old: %[[TAG:.+]] = load i8, ptr %s, align 1 + // old-NEXT: trunc nuw i8 %[[TAG]] to i1 // CHECK-NOT: load // CHECK-NOT: store diff --git a/tests/codegen-llvm/vec_pop_push_noop.rs b/tests/codegen-llvm/vec_pop_push_noop.rs index 3e375219fe0..977c220b3ba 100644 --- a/tests/codegen-llvm/vec_pop_push_noop.rs +++ b/tests/codegen-llvm/vec_pop_push_noop.rs @@ -1,4 +1,7 @@ //@ compile-flags: -Copt-level=3 +//@ revisions: new old +//@ [old] max-llvm-major-version: 21 +//@ [new] min-llvm-version: 22 #![crate_type = "lib"] @@ -7,7 +10,7 @@ pub fn noop(v: &mut Vec<u8>) { // CHECK-NOT: grow_one // CHECK-NOT: call - // CHECK: tail call void @llvm.assume + // old: tail call void @llvm.assume // CHECK-NOT: grow_one // CHECK-NOT: call // CHECK: {{ret|[}]}} diff --git a/tests/codegen-llvm/vecdeque_pop_push.rs b/tests/codegen-llvm/vecdeque_pop_push.rs index 5afa1b2248b..6f9ad6674d6 100644 --- a/tests/codegen-llvm/vecdeque_pop_push.rs +++ b/tests/codegen-llvm/vecdeque_pop_push.rs @@ -1,4 +1,7 @@ //@ compile-flags: -Copt-level=3 +//@ revisions: new old +//@ [old] max-llvm-major-version: 21 +//@ [new] min-llvm-version: 22 #![crate_type = "lib"] @@ -8,7 +11,7 @@ use std::collections::VecDeque; // CHECK-LABEL: @noop_back( pub fn noop_back(v: &mut VecDeque<u8>) { // CHECK-NOT: grow - // CHECK: tail call void @llvm.assume + // old: tail call void @llvm.assume // CHECK-NOT: grow // CHECK: ret if let Some(x) = v.pop_back() { diff --git a/tests/run-make/autodiff/type-trees/array-typetree/array.check b/tests/run-make/autodiff/type-trees/array-typetree/array.check new file mode 100644 index 00000000000..0d38bdec17e --- /dev/null +++ b/tests/run-make/autodiff/type-trees/array-typetree/array.check @@ -0,0 +1,4 @@ +; Check that array TypeTree metadata is correctly generated +; Should show Float@double at each array element offset (0, 8, 16, 24, 32 bytes) + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_array{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,-1]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/array-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/array-typetree/rmake.rs new file mode 100644 index 00000000000..20b6a066906 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/array-typetree/rmake.rs @@ -0,0 +1,9 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + llvm_filecheck().patterns("array.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/array-typetree/test.rs b/tests/run-make/autodiff/type-trees/array-typetree/test.rs new file mode 100644 index 00000000000..f54ebf5a4c7 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/array-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_array(arr: &[f64; 5]) -> f64 { + arr[0] + arr[1] + arr[2] + arr[3] + arr[4] +} + +fn main() { + let arr = [1.0, 2.0, 3.0, 4.0, 5.0]; + let mut d_arr = [0.0; 5]; + let _result = d_test(&arr, &mut d_arr, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy-ir.check b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy-ir.check new file mode 100644 index 00000000000..0e6351ac4d3 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy-ir.check @@ -0,0 +1,8 @@ +; Check that enzyme_type attributes are present in the LLVM IR function definition +; This verifies our TypeTree system correctly attaches metadata for Enzyme + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_memcpy({{.*}}"enzyme_type"="{[-1]:Pointer, [-1,-1]:Float@double}" + +; Check that llvm.memcpy exists (either call or declare) +CHECK: {{(call|declare).*}}@llvm.memcpy + diff --git a/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.check b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.check new file mode 100644 index 00000000000..ae70830297a --- /dev/null +++ b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.check @@ -0,0 +1,13 @@ +CHECK: force_memcpy + +CHECK: @llvm.memcpy.p0.p0.i64 + +CHECK: test_memcpy - {[-1]:Float@double} |{[-1]:Pointer}:{} + +CHECK-DAG: ptr %{{[0-9]+}}: {[-1]:Pointer, [-1,0]:Float@double, [-1,8]:Float@double, [-1,16]:Float@double, [-1,24]:Float@double} + +CHECK-DAG: load double{{.*}}: {[-1]:Float@double} + +CHECK-DAG: fmul double{{.*}}: {[-1]:Float@double} + +CHECK-DAG: fadd double{{.*}}: {[-1]:Float@double} \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.rs b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.rs new file mode 100644 index 00000000000..3c1029190c8 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/memcpy-typetree/memcpy.rs @@ -0,0 +1,36 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; +use std::ptr; + +#[inline(never)] +fn force_memcpy(src: *const f64, dst: *mut f64, count: usize) { + unsafe { + ptr::copy_nonoverlapping(src, dst, count); + } +} + +#[autodiff_reverse(d_test_memcpy, Duplicated, Active)] +#[no_mangle] +fn test_memcpy(input: &[f64; 128]) -> f64 { + let mut local_data = [0.0f64; 128]; + + // Use a separate function to prevent inlining and optimization + force_memcpy(input.as_ptr(), local_data.as_mut_ptr(), 128); + + // Sum only first few elements to keep the computation simple + local_data[0] * local_data[0] + + local_data[1] * local_data[1] + + local_data[2] * local_data[2] + + local_data[3] * local_data[3] +} + +fn main() { + let input = [1.0; 128]; + let mut d_input = [0.0; 128]; + let result = test_memcpy(&input); + let result_d = d_test_memcpy(&input, &mut d_input, 1.0); + + assert_eq!(result, result_d); + println!("Memcpy test passed: result = {}", result); +} diff --git a/tests/run-make/autodiff/type-trees/memcpy-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/memcpy-typetree/rmake.rs new file mode 100644 index 00000000000..b4c650330fe --- /dev/null +++ b/tests/run-make/autodiff/type-trees/memcpy-typetree/rmake.rs @@ -0,0 +1,39 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // First, compile to LLVM IR to check for enzyme_type attributes + let _ir_output = rustc() + .input("memcpy.rs") + .arg("-Zautodiff=Enable") + .arg("-Zautodiff=NoPostopt") + .opt_level("0") + .arg("--emit=llvm-ir") + .arg("-o") + .arg("main.ll") + .run(); + + // Then compile with TypeTree analysis output for the existing checks + let output = rustc() + .input("memcpy.rs") + .arg("-Zautodiff=Enable,PrintTAFn=test_memcpy") + .arg("-Zautodiff=NoPostopt") + .opt_level("3") + .arg("-Clto=fat") + .arg("-g") + .run(); + + let stdout = output.stdout_utf8(); + let stderr = output.stderr_utf8(); + let ir_content = rfs::read_to_string("main.ll"); + + rfs::write("memcpy.stdout", &stdout); + rfs::write("memcpy.stderr", &stderr); + rfs::write("main.ir", &ir_content); + + llvm_filecheck().patterns("memcpy.check").stdin_buf(stdout).run(); + + llvm_filecheck().patterns("memcpy-ir.check").stdin_buf(ir_content).run(); +} diff --git a/tests/run-make/autodiff/type-trees/mixed-struct-typetree/mixed.check b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/mixed.check new file mode 100644 index 00000000000..584f5840843 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/mixed.check @@ -0,0 +1,2 @@ +; Check that mixed struct with large array generates correct detailed type tree +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@float}"{{.*}}@test_mixed_struct{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Integer, [-1,8]:Float@float}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/mixed-struct-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/rmake.rs new file mode 100644 index 00000000000..1c19963bc36 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/rmake.rs @@ -0,0 +1,16 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc() + .input("test.rs") + .arg("-Zautodiff=Enable") + .arg("-Zautodiff=NoPostopt") + .opt_level("0") + .emit("llvm-ir") + .run(); + + llvm_filecheck().patterns("mixed.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/mixed-struct-typetree/test.rs b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/test.rs new file mode 100644 index 00000000000..7a734980e61 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/mixed-struct-typetree/test.rs @@ -0,0 +1,23 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[repr(C)] +struct Container { + header: i64, + data: [f32; 1000], +} + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +#[inline(never)] +fn test_mixed_struct(container: &Container) -> f32 { + container.data[0] + container.data[999] +} + +fn main() { + let container = Container { header: 42, data: [1.0; 1000] }; + let mut d_container = Container { header: 0, data: [0.0; 1000] }; + let result = d_test(&container, &mut d_container, 1.0); + std::hint::black_box(result); +} diff --git a/tests/run-make/autodiff/type-trees/nott-flag/nott.check b/tests/run-make/autodiff/type-trees/nott-flag/nott.check new file mode 100644 index 00000000000..8d23e2ee319 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/nott-flag/nott.check @@ -0,0 +1,5 @@ +// Check that enzyme_type attributes are NOT present when NoTT flag is used +// This verifies the NoTT flag correctly disables TypeTree metadata + +CHECK: define{{.*}}@square +CHECK-NOT: "enzyme_type" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/nott-flag/rmake.rs b/tests/run-make/autodiff/type-trees/nott-flag/rmake.rs new file mode 100644 index 00000000000..de540b990ca --- /dev/null +++ b/tests/run-make/autodiff/type-trees/nott-flag/rmake.rs @@ -0,0 +1,30 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Test with NoTT flag - should not generate TypeTree metadata + rustc() + .input("test.rs") + .arg("-Zautodiff=Enable,NoTT") + .emit("llvm-ir") + .arg("-o") + .arg("nott.ll") + .run(); + + // Test without NoTT flag - should generate TypeTree metadata + rustc() + .input("test.rs") + .arg("-Zautodiff=Enable") + .emit("llvm-ir") + .arg("-o") + .arg("with_tt.ll") + .run(); + + // Verify NoTT version does NOT have enzyme_type attributes + llvm_filecheck().patterns("nott.check").stdin_buf(rfs::read("nott.ll")).run(); + + // Verify TypeTree version DOES have enzyme_type attributes + llvm_filecheck().patterns("with_tt.check").stdin_buf(rfs::read("with_tt.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/nott-flag/test.rs b/tests/run-make/autodiff/type-trees/nott-flag/test.rs new file mode 100644 index 00000000000..de3549c37c6 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/nott-flag/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_square, Duplicated, Active)] +#[no_mangle] +fn square(x: &f64) -> f64 { + x * x +} + +fn main() { + let x = 2.0; + let mut dx = 0.0; + let _result = d_square(&x, &mut dx, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/nott-flag/with_tt.check b/tests/run-make/autodiff/type-trees/nott-flag/with_tt.check new file mode 100644 index 00000000000..0b4c9119179 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/nott-flag/with_tt.check @@ -0,0 +1,4 @@ +// Check that enzyme_type attributes are present when TypeTree is enabled +// This verifies our TypeTree metadata attachment is working + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@square{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/recursion-typetree/recursion.check b/tests/run-make/autodiff/type-trees/recursion-typetree/recursion.check new file mode 100644 index 00000000000..1960e7b816c --- /dev/null +++ b/tests/run-make/autodiff/type-trees/recursion-typetree/recursion.check @@ -0,0 +1,3 @@ +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_deep{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double}" +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_graph{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Integer, [-1,8]:Integer, [-1,16]:Integer, [-1,24]:Float@double}" +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_node{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/recursion-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/recursion-typetree/rmake.rs new file mode 100644 index 00000000000..78718f3a215 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/recursion-typetree/rmake.rs @@ -0,0 +1,9 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + llvm_filecheck().patterns("recursion.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/recursion-typetree/test.rs b/tests/run-make/autodiff/type-trees/recursion-typetree/test.rs new file mode 100644 index 00000000000..9d40bec1bf1 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/recursion-typetree/test.rs @@ -0,0 +1,100 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +// Self-referential struct to test recursion detection +#[derive(Clone)] +struct Node { + value: f64, + next: Option<Box<Node>>, +} + +// Mutually recursive structs to test cycle detection +#[derive(Clone)] +struct GraphNodeA { + value: f64, + connections: Vec<GraphNodeB>, +} + +#[derive(Clone)] +struct GraphNodeB { + weight: f64, + target: Option<Box<GraphNodeA>>, +} + +#[autodiff_reverse(d_test_node, Duplicated, Active)] +#[no_mangle] +fn test_node(node: &Node) -> f64 { + node.value * 2.0 +} + +#[autodiff_reverse(d_test_graph, Duplicated, Active)] +#[no_mangle] +fn test_graph(a: &GraphNodeA) -> f64 { + a.value * 3.0 +} + +// Simple depth test - deeply nested but not circular +#[derive(Clone)] +struct Level1 { + val: f64, + next: Option<Box<Level2>>, +} +#[derive(Clone)] +struct Level2 { + val: f64, + next: Option<Box<Level3>>, +} +#[derive(Clone)] +struct Level3 { + val: f64, + next: Option<Box<Level4>>, +} +#[derive(Clone)] +struct Level4 { + val: f64, + next: Option<Box<Level5>>, +} +#[derive(Clone)] +struct Level5 { + val: f64, + next: Option<Box<Level6>>, +} +#[derive(Clone)] +struct Level6 { + val: f64, + next: Option<Box<Level7>>, +} +#[derive(Clone)] +struct Level7 { + val: f64, + next: Option<Box<Level8>>, +} +#[derive(Clone)] +struct Level8 { + val: f64, +} + +#[autodiff_reverse(d_test_deep, Duplicated, Active)] +#[no_mangle] +fn test_deep(deep: &Level1) -> f64 { + deep.val * 4.0 +} + +fn main() { + let node = Node { value: 1.0, next: None }; + + let graph = GraphNodeA { value: 2.0, connections: vec![] }; + + let deep = Level1 { val: 5.0, next: None }; + + let mut d_node = Node { value: 0.0, next: None }; + + let mut d_graph = GraphNodeA { value: 0.0, connections: vec![] }; + + let mut d_deep = Level1 { val: 0.0, next: None }; + + let _result1 = d_test_node(&node, &mut d_node, 1.0); + let _result2 = d_test_graph(&graph, &mut d_graph, 1.0); + let _result3 = d_test_deep(&deep, &mut d_deep, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/f128.check b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/f128.check new file mode 100644 index 00000000000..23db64eea52 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/f128.check @@ -0,0 +1,4 @@ +; Check that f128 TypeTree metadata is correctly generated +; Should show Float@fp128 for f128 values and Pointer for references + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@fp128}"{{.*}}@test_f128{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@fp128}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/rmake.rs new file mode 100644 index 00000000000..44320ecdd57 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/rmake.rs @@ -0,0 +1,12 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Compile with TypeTree enabled and emit LLVM IR + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + + // Check that f128 TypeTree metadata is correctly generated + llvm_filecheck().patterns("f128.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/test.rs b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/test.rs new file mode 100644 index 00000000000..5c71baa3e69 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f128-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff, f128)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_f128(x: &f128) -> f128 { + *x * *x +} + +fn main() { + let x = 2.0_f128; + let mut dx = 0.0_f128; + let _result = d_test(&x, &mut dx, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/f16.check b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/f16.check new file mode 100644 index 00000000000..9adff68d36f --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/f16.check @@ -0,0 +1,4 @@ +; Check that f16 TypeTree metadata is correctly generated +; Should show Float@half for f16 values and Pointer for references + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@half}"{{.*}}@test_f16{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@half}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/rmake.rs new file mode 100644 index 00000000000..0aebdbf5520 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/rmake.rs @@ -0,0 +1,12 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Compile with TypeTree enabled and emit LLVM IR + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + + // Check that f16 TypeTree metadata is correctly generated + llvm_filecheck().patterns("f16.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/test.rs b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/test.rs new file mode 100644 index 00000000000..6b68e8252f4 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f16-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff, f16)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_f16(x: &f16) -> f16 { + *x * *x +} + +fn main() { + let x = 2.0_f16; + let mut dx = 0.0_f16; + let _result = d_test(&x, &mut dx, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/f32.check b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/f32.check new file mode 100644 index 00000000000..176630f57e8 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/f32.check @@ -0,0 +1,4 @@ +; Check that f32 TypeTree metadata is correctly generated +; Should show Float@float for f32 values and Pointer for references + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@float}"{{.*}}@test_f32{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@float}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/rmake.rs new file mode 100644 index 00000000000..ee3ab753bf5 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/rmake.rs @@ -0,0 +1,12 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Compile with TypeTree enabled and emit LLVM IR + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + + // Check that f32 TypeTree metadata is correctly generated + llvm_filecheck().patterns("f32.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/test.rs b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/test.rs new file mode 100644 index 00000000000..56c118399ee --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f32-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_f32(x: &f32) -> f32 { + x * x +} + +fn main() { + let x = 2.0_f32; + let mut dx = 0.0_f32; + let _result = d_test(&x, &mut dx, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/f64.check b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/f64.check new file mode 100644 index 00000000000..929cd379694 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/f64.check @@ -0,0 +1,4 @@ +; Check that f64 TypeTree metadata is correctly generated +; Should show Float@double for f64 values and Pointer for references + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_f64{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/rmake.rs new file mode 100644 index 00000000000..5fac9b23bc8 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/rmake.rs @@ -0,0 +1,12 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Compile with TypeTree enabled and emit LLVM IR + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + + // Check that f64 TypeTree metadata is correctly generated + llvm_filecheck().patterns("f64.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/test.rs b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/test.rs new file mode 100644 index 00000000000..235360b76b2 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/f64-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_f64(x: &f64) -> f64 { + x * x +} + +fn main() { + let x = 2.0_f64; + let mut dx = 0.0_f64; + let _result = d_test(&x, &mut dx, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/i32.check b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/i32.check new file mode 100644 index 00000000000..dee4aa5bbb6 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/i32.check @@ -0,0 +1,4 @@ +; Check that i32 TypeTree metadata is correctly generated +; Should show Integer for i32 values and Pointer for references + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Integer}"{{.*}}@test_i32{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Integer}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/rmake.rs new file mode 100644 index 00000000000..a40fd55d88a --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/rmake.rs @@ -0,0 +1,12 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + // Compile with TypeTree enabled and emit LLVM IR + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + + // Check that i32 TypeTree metadata is correctly generated + llvm_filecheck().patterns("i32.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/test.rs b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/test.rs new file mode 100644 index 00000000000..249803c5d9f --- /dev/null +++ b/tests/run-make/autodiff/type-trees/scalar-types/i32-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_i32(x: &i32) -> i32 { + x * x +} + +fn main() { + let x = 5_i32; + let mut dx = 0_i32; + let _result = d_test(&x, &mut dx, 1); +} diff --git a/tests/run-make/autodiff/type-trees/slice-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/slice-typetree/rmake.rs new file mode 100644 index 00000000000..b81fb50bf1a --- /dev/null +++ b/tests/run-make/autodiff/type-trees/slice-typetree/rmake.rs @@ -0,0 +1,9 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + llvm_filecheck().patterns("slice.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/slice-typetree/slice.check b/tests/run-make/autodiff/type-trees/slice-typetree/slice.check new file mode 100644 index 00000000000..6543b616115 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/slice-typetree/slice.check @@ -0,0 +1,4 @@ +; Check that slice TypeTree metadata is correctly generated +; Should show Float@double for slice elements + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_slice{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,-1]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/slice-typetree/test.rs b/tests/run-make/autodiff/type-trees/slice-typetree/test.rs new file mode 100644 index 00000000000..7117fa3844f --- /dev/null +++ b/tests/run-make/autodiff/type-trees/slice-typetree/test.rs @@ -0,0 +1,16 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_slice(slice: &[f64]) -> f64 { + slice.iter().sum() +} + +fn main() { + let arr = [1.0, 2.0, 3.0, 4.0, 5.0]; + let slice = &arr[..]; + let mut d_slice = [0.0; 5]; + let _result = d_test(slice, &mut d_slice[..], 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/struct-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/struct-typetree/rmake.rs new file mode 100644 index 00000000000..0af1b65ee18 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/struct-typetree/rmake.rs @@ -0,0 +1,9 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + llvm_filecheck().patterns("struct.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/struct-typetree/struct.check b/tests/run-make/autodiff/type-trees/struct-typetree/struct.check new file mode 100644 index 00000000000..54956317e1e --- /dev/null +++ b/tests/run-make/autodiff/type-trees/struct-typetree/struct.check @@ -0,0 +1,4 @@ +; Check that struct TypeTree metadata is correctly generated +; Should show Float@double at offsets 0, 8, 16 for Point struct fields + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_struct{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double, [-1,8]:Float@double, [-1,16]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/struct-typetree/test.rs b/tests/run-make/autodiff/type-trees/struct-typetree/test.rs new file mode 100644 index 00000000000..cbe7b10e409 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/struct-typetree/test.rs @@ -0,0 +1,22 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[repr(C)] +struct Point { + x: f64, + y: f64, + z: f64, +} + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_struct(point: &Point) -> f64 { + point.x + point.y * 2.0 + point.z * 3.0 +} + +fn main() { + let point = Point { x: 1.0, y: 2.0, z: 3.0 }; + let mut d_point = Point { x: 0.0, y: 0.0, z: 0.0 }; + let _result = d_test(&point, &mut d_point, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/tuple-typetree/rmake.rs b/tests/run-make/autodiff/type-trees/tuple-typetree/rmake.rs new file mode 100644 index 00000000000..76913828901 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/tuple-typetree/rmake.rs @@ -0,0 +1,9 @@ +//@ needs-enzyme +//@ ignore-cross-compile + +use run_make_support::{llvm_filecheck, rfs, rustc}; + +fn main() { + rustc().input("test.rs").arg("-Zautodiff=Enable").emit("llvm-ir").run(); + llvm_filecheck().patterns("tuple.check").stdin_buf(rfs::read("test.ll")).run(); +} diff --git a/tests/run-make/autodiff/type-trees/tuple-typetree/test.rs b/tests/run-make/autodiff/type-trees/tuple-typetree/test.rs new file mode 100644 index 00000000000..32187b587a3 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/tuple-typetree/test.rs @@ -0,0 +1,15 @@ +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +#[autodiff_reverse(d_test, Duplicated, Active)] +#[no_mangle] +fn test_tuple(tuple: &(f64, f64, f64)) -> f64 { + tuple.0 + tuple.1 * 2.0 + tuple.2 * 3.0 +} + +fn main() { + let tuple = (1.0, 2.0, 3.0); + let mut d_tuple = (0.0, 0.0, 0.0); + let _result = d_test(&tuple, &mut d_tuple, 1.0); +} diff --git a/tests/run-make/autodiff/type-trees/tuple-typetree/tuple.check b/tests/run-make/autodiff/type-trees/tuple-typetree/tuple.check new file mode 100644 index 00000000000..47647e78cc3 --- /dev/null +++ b/tests/run-make/autodiff/type-trees/tuple-typetree/tuple.check @@ -0,0 +1,4 @@ +; Check that tuple TypeTree metadata is correctly generated +; Should show Float@double at offsets 0, 8, 16 for (f64, f64, f64) + +CHECK: define{{.*}}"enzyme_type"="{[-1]:Float@double}"{{.*}}@test_tuple{{.*}}"enzyme_type"="{[-1]:Pointer, [-1,0]:Float@double, [-1,8]:Float@double, [-1,16]:Float@double}" \ No newline at end of file diff --git a/tests/run-make/autodiff/type-trees/type-analysis/vec/vec.check b/tests/run-make/autodiff/type-trees/type-analysis/vec/vec.check index dcf9508b69d..cdb70eb83fc 100644 --- a/tests/run-make/autodiff/type-trees/type-analysis/vec/vec.check +++ b/tests/run-make/autodiff/type-trees/type-analysis/vec/vec.check @@ -1,7 +1,7 @@ // CHECK: callee - {[-1]:Float@float} |{[-1]:Pointer}:{} // CHECK: ptr %{{[0-9]+}}: {[-1]:Pointer} // CHECK-DAG: %{{[0-9]+}} = getelementptr inbounds nuw i8, ptr %{{[0-9]+}}, i64 8, !dbg !{{[0-9]+}}: {[-1]:Pointer} -// CHECK-DAG: %{{[0-9]+}} = load ptr, ptr %{{[0-9]+}}, align 8, !dbg !{{[0-9]+}}, !nonnull !102, !noundef !{{[0-9]+}}: {} +// CHECK-DAG: %{{[0-9]+}} = load ptr, ptr %{{[0-9]+}}, align 8, !dbg !{{[0-9]+}}, !nonnull !{{[0-9]+}}, !noundef !{{[0-9]+}}: {} // CHECK-DAG: %{{[0-9]+}} = getelementptr inbounds nuw i8, ptr %{{[0-9]+}}, i64 16, !dbg !{{[0-9]+}}: {[-1]:Pointer} // CHECK-DAG: %{{[0-9]+}} = load i64, ptr %{{[0-9]+}}, align 8, !dbg !{{[0-9]+}}, !noundef !{{[0-9]+}}: {} // CHECK-DAG: %{{[0-9]+}} = icmp eq i64 %{{[0-9]+}}, 0, !dbg !{{[0-9]+}}: {[-1]:Integer} diff --git a/tests/run-make/doctests-compilation-time-info/rmake.rs b/tests/run-make/doctests-compilation-time-info/rmake.rs new file mode 100644 index 00000000000..2bcf664923f --- /dev/null +++ b/tests/run-make/doctests-compilation-time-info/rmake.rs @@ -0,0 +1,119 @@ +//@ ignore-cross-compile (needs to run doctests) + +use run_make_support::rfs::write; +use run_make_support::{cwd, rustdoc}; + +fn assert_presence_of_compilation_time_report( + content: &str, + success: bool, + should_contain_compile_time: bool, +) { + let mut cmd = rustdoc(); + let file = cwd().join("foo.rs"); + + write(&file, content); + cmd.input(&file).arg("--test").edition("2024").env("RUST_BACKTRACE", "0"); + let output = if success { cmd.run() } else { cmd.run_fail() }; + + assert_eq!( + output + .stdout_utf8() + .split("all doctests ran in ") + .last() + .is_some_and(|s| s.contains("; merged doctests compilation took")), + should_contain_compile_time, + ); +} + +fn main() { + // Checking with only successful merged doctests. + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! let x = 12; +//! ```", + true, + true, + ); + // Checking with only failing merged doctests. + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! panic!(); +//! ```", + false, + true, + ); + // Checking with mix of successful doctests. + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! let x = 12; +//! ``` +//! +//! ```compile_fail +//! let x +//! ```", + true, + true, + ); + // Checking with mix of failing doctests. + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! panic!(); +//! ``` +//! +//! ```compile_fail +//! let x +//! ```", + false, + true, + ); + // Checking with mix of failing doctests (v2). + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! let x = 12; +//! ``` +//! +//! ```compile_fail +//! let x = 12; +//! ```", + false, + true, + ); + // Checking with mix of failing doctests (v3). + assert_presence_of_compilation_time_report( + "\ +//! ``` +//! panic!(); +//! ``` +//! +//! ```compile_fail +//! let x = 12; +//! ```", + false, + true, + ); + // Checking with successful non-merged doctests. + assert_presence_of_compilation_time_report( + "\ +//! ```compile_fail +//! let x +//! ```", + true, + // If there is no merged doctests, then we should not display compilation time. + false, + ); + // Checking with failing non-merged doctests. + assert_presence_of_compilation_time_report( + "\ +//! ```compile_fail +//! let x = 12; +//! ```", + false, + // If there is no merged doctests, then we should not display compilation time. + false, + ); +} diff --git a/tests/run-make/doctests-merge/doctest-2024.stdout b/tests/run-make/doctests-merge/doctest-2024.stdout index 7da08d68faa..a7e139bbd23 100644 --- a/tests/run-make/doctests-merge/doctest-2024.stdout +++ b/tests/run-make/doctests-merge/doctest-2024.stdout @@ -5,3 +5,4 @@ test doctest.rs - init (line 8) ... ok test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME +all doctests ran in $TIME; merged doctests compilation took $TIME diff --git a/tests/run-make/doctests-merge/rmake.rs b/tests/run-make/doctests-merge/rmake.rs index 7893d4988eb..f2a1e8e13dd 100644 --- a/tests/run-make/doctests-merge/rmake.rs +++ b/tests/run-make/doctests-merge/rmake.rs @@ -20,6 +20,8 @@ fn test_and_compare(input_file: &str, stdout_file: &str, edition: &str, dep: &Pa .expected_file(stdout_file) .actual_text("output", output.stdout_utf8()) .normalize(r#"finished in \d+\.\d+s"#, "finished in $$TIME") + .normalize(r#"ran in \d+\.\d+s"#, "ran in $$TIME") + .normalize(r#"compilation took \d+\.\d+s"#, "compilation took $$TIME") .run(); } diff --git a/tests/run-make/linker-warning/rmake.rs b/tests/run-make/linker-warning/rmake.rs index b0c40dd171d..a31b08d6c69 100644 --- a/tests/run-make/linker-warning/rmake.rs +++ b/tests/run-make/linker-warning/rmake.rs @@ -61,13 +61,13 @@ fn main() { diff() .expected_file("short-error.txt") .actual_text("(linker error)", out.stderr()) - .normalize("libpanic_abort", "libpanic_unwind") .normalize( regex::escape( run_make_support::build_root().canonicalize().unwrap().to_str().unwrap(), ), "/build-root", ) + .normalize("libpanic_abort", "libpanic_unwind") .normalize(r#""[^"]*\/symbols.o""#, "\"/symbols.o\"") .normalize(r#""[^"]*\/raw-dylibs""#, "\"/raw-dylibs\"") .run(); diff --git a/tests/rustdoc-ui/doctest/doctest-output.edition2015.stdout b/tests/rustdoc-ui/doctest/doctest-output.edition2015.stdout index 0e2e30390ad..2ff7174577e 100644 --- a/tests/rustdoc-ui/doctest/doctest-output.edition2015.stdout +++ b/tests/rustdoc-ui/doctest/doctest-output.edition2015.stdout @@ -1,8 +1,8 @@ running 3 tests -test $DIR/doctest-output.rs - (line 12) ... ok -test $DIR/doctest-output.rs - ExpandedStruct (line 28) ... ok -test $DIR/doctest-output.rs - foo::bar (line 22) ... ok +test $DIR/doctest-output.rs - (line 14) ... ok +test $DIR/doctest-output.rs - ExpandedStruct (line 30) ... ok +test $DIR/doctest-output.rs - foo::bar (line 24) ... ok test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME diff --git a/tests/rustdoc-ui/doctest/doctest-output.edition2024.stdout b/tests/rustdoc-ui/doctest/doctest-output.edition2024.stdout index 0e2e30390ad..20bfd7e7086 100644 --- a/tests/rustdoc-ui/doctest/doctest-output.edition2024.stdout +++ b/tests/rustdoc-ui/doctest/doctest-output.edition2024.stdout @@ -1,8 +1,9 @@ running 3 tests -test $DIR/doctest-output.rs - (line 12) ... ok -test $DIR/doctest-output.rs - ExpandedStruct (line 28) ... ok -test $DIR/doctest-output.rs - foo::bar (line 22) ... ok +test $DIR/doctest-output.rs - (line 14) ... ok +test $DIR/doctest-output.rs - ExpandedStruct (line 30) ... ok +test $DIR/doctest-output.rs - foo::bar (line 24) ... ok test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME +all doctests ran in $TIME; merged doctests compilation took $TIME diff --git a/tests/rustdoc-ui/doctest/doctest-output.rs b/tests/rustdoc-ui/doctest/doctest-output.rs index 04bd1813b4c..943f59e8b15 100644 --- a/tests/rustdoc-ui/doctest/doctest-output.rs +++ b/tests/rustdoc-ui/doctest/doctest-output.rs @@ -7,6 +7,8 @@ //@[edition2024]compile-flags:--test --test-args=--test-threads=1 //@ normalize-stdout: "tests/rustdoc-ui/doctest" -> "$$DIR" //@ normalize-stdout: "finished in \d+\.\d+s" -> "finished in $$TIME" +//@ normalize-stdout: "ran in \d+\.\d+s" -> "ran in $$TIME" +//@ normalize-stdout: "compilation took \d+\.\d+s" -> "compilation took $$TIME" //@ check-pass //! ``` diff --git a/tests/rustdoc-ui/doctest/merged-ignore-no_run.rs b/tests/rustdoc-ui/doctest/merged-ignore-no_run.rs index 7dac64e6de4..f92bea74bfe 100644 --- a/tests/rustdoc-ui/doctest/merged-ignore-no_run.rs +++ b/tests/rustdoc-ui/doctest/merged-ignore-no_run.rs @@ -2,6 +2,8 @@ //@ compile-flags:--test --test-args=--test-threads=1 //@ normalize-stdout: "tests/rustdoc-ui/doctest" -> "$$DIR" //@ normalize-stdout: "finished in \d+\.\d+s" -> "finished in $$TIME" +//@ normalize-stdout: "ran in \d+\.\d+s" -> "ran in $$TIME" +//@ normalize-stdout: "compilation took \d+\.\d+s" -> "compilation took $$TIME" //@ check-pass /// ```ignore (test) diff --git a/tests/rustdoc-ui/doctest/merged-ignore-no_run.stdout b/tests/rustdoc-ui/doctest/merged-ignore-no_run.stdout index a32da0aeb96..6714cdb0b80 100644 --- a/tests/rustdoc-ui/doctest/merged-ignore-no_run.stdout +++ b/tests/rustdoc-ui/doctest/merged-ignore-no_run.stdout @@ -1,7 +1,8 @@ running 2 tests -test $DIR/merged-ignore-no_run.rs - ignored (line 7) ... ignored -test $DIR/merged-ignore-no_run.rs - no_run (line 12) - compile ... ok +test $DIR/merged-ignore-no_run.rs - ignored (line 9) ... ignored +test $DIR/merged-ignore-no_run.rs - no_run (line 14) - compile ... ok test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in $TIME +all doctests ran in $TIME; merged doctests compilation took $TIME diff --git a/tests/ui/autodiff/flag_nott.rs b/tests/ui/autodiff/flag_nott.rs new file mode 100644 index 00000000000..faa9949fe81 --- /dev/null +++ b/tests/ui/autodiff/flag_nott.rs @@ -0,0 +1,19 @@ +//@ compile-flags: -Zautodiff=Enable,NoTT +//@ needs-enzyme +//@ check-pass + +#![feature(autodiff)] + +use std::autodiff::autodiff_reverse; + +// Test that NoTT flag is accepted and doesn't cause compilation errors +#[autodiff_reverse(d_square, Duplicated, Active)] +fn square(x: &f64) -> f64 { + x * x +} + +fn main() { + let x = 2.0; + let mut dx = 0.0; + let result = d_square(&x, &mut dx, 1.0); +} diff --git a/tests/ui/explicit-tail-calls/callee_is_weird.stderr b/tests/ui/explicit-tail-calls/callee_is_weird.stderr index a4e5a38ce33..9a5da28b559 100644 --- a/tests/ui/explicit-tail-calls/callee_is_weird.stderr +++ b/tests/ui/explicit-tail-calls/callee_is_weird.stderr @@ -12,7 +12,7 @@ error: tail calls can only be performed with function definitions or pointers LL | become (&mut &std::sync::Exclusive::new(f))() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: callee has type `Exclusive<fn() {f}>` + = note: callee has type `&Exclusive<fn() {f}>` error: tail calls can only be performed with function definitions or pointers --> $DIR/callee_is_weird.rs:22:12 diff --git a/tests/ui/feature-gates/feature-gate-macro-attr.stderr b/tests/ui/feature-gates/feature-gate-macro-attr.stderr index b58418527c5..75bc93e8027 100644 --- a/tests/ui/feature-gates/feature-gate-macro-attr.stderr +++ b/tests/ui/feature-gates/feature-gate-macro-attr.stderr @@ -4,7 +4,7 @@ error[E0658]: `macro_rules!` attributes are unstable LL | macro_rules! myattr { attr() {} => {} } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: see issue #83527 <https://github.com/rust-lang/rust/issues/83527> for more information + = note: see issue #143547 <https://github.com/rust-lang/rust/issues/143547> for more information = help: add `#![feature(macro_attr)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date diff --git a/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs b/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs index b4dc1fd4556..e37e405d1af 100644 --- a/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs +++ b/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.rs @@ -3,7 +3,7 @@ fn main() { //~^ ERROR non-exhaustive patterns: `usize::MAX..` not covered //~| NOTE pattern `usize::MAX..` not covered //~| NOTE the matched value is of type `usize` - //~| NOTE `usize` does not have a fixed maximum value + //~| NOTE `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively 0..=usize::MAX => {} } @@ -11,7 +11,7 @@ fn main() { //~^ ERROR non-exhaustive patterns: `..isize::MIN` and `isize::MAX..` not covered //~| NOTE patterns `..isize::MIN` and `isize::MAX..` not covered //~| NOTE the matched value is of type `isize` - //~| NOTE `isize` does not have fixed minimum and maximum values + //~| NOTE `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively isize::MIN..=isize::MAX => {} } } diff --git a/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr b/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr index c89dcaf727a..cfb00d6e741 100644 --- a/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr +++ b/tests/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr @@ -5,7 +5,7 @@ LL | match 0usize { | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 0..=usize::MAX => {}, @@ -19,7 +19,7 @@ LL | match 0isize { | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ isize::MIN..=isize::MAX => {}, diff --git a/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.rs b/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.rs new file mode 100644 index 00000000000..c8ca4537089 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.rs @@ -0,0 +1,3 @@ +use std::ops::CoerceShared; //~ ERROR use of unstable library feature `reborrow` + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.stderr b/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.stderr new file mode 100644 index 00000000000..dbbbcdf2fd5 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-reborrow-coerce-shared.stderr @@ -0,0 +1,13 @@ +error[E0658]: use of unstable library feature `reborrow` + --> $DIR/feature-gate-reborrow-coerce-shared.rs:1:5 + | +LL | use std::ops::CoerceShared; + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #145612 <https://github.com/rust-lang/rust/issues/145612> for more information + = help: add `#![feature(reborrow)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/feature-gates/feature-gate-reborrow.rs b/tests/ui/feature-gates/feature-gate-reborrow.rs index f016f6c6bfa..96eecfb28a1 100644 --- a/tests/ui/feature-gates/feature-gate-reborrow.rs +++ b/tests/ui/feature-gates/feature-gate-reborrow.rs @@ -1,3 +1,3 @@ -use std::marker::Reborrow; //~ ERROR use of unstable library feature `reborrow` +use std::ops::Reborrow; //~ ERROR use of unstable library feature `reborrow` fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-reborrow.stderr b/tests/ui/feature-gates/feature-gate-reborrow.stderr index 5e3033f3bf1..1224909f564 100644 --- a/tests/ui/feature-gates/feature-gate-reborrow.stderr +++ b/tests/ui/feature-gates/feature-gate-reborrow.stderr @@ -1,8 +1,8 @@ error[E0658]: use of unstable library feature `reborrow` --> $DIR/feature-gate-reborrow.rs:1:5 | -LL | use std::marker::Reborrow; - | ^^^^^^^^^^^^^^^^^^^^^ +LL | use std::ops::Reborrow; + | ^^^^^^^^^^^^^^^^^^ | = note: see issue #145612 <https://github.com/rust-lang/rust/issues/145612> for more information = help: add `#![feature(reborrow)]` to the crate attributes to enable diff --git a/tests/ui/hygiene/panic-location.run.stderr b/tests/ui/hygiene/panic-location.run.stderr index d28ab864183..bd74e96fd8c 100644 --- a/tests/ui/hygiene/panic-location.run.stderr +++ b/tests/ui/hygiene/panic-location.run.stderr @@ -1,4 +1,4 @@ -thread 'main' ($TID) panicked at $DIR/panic-location.rs:LL:CC: +thread 'main' ($TID) panicked at library/alloc/src/raw_vec/mod.rs:LL:CC: capacity overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 08caff326c4..4d8f23bf7ca 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -387,6 +387,8 @@ LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { pani where A: Tuple, F: Fn<A>, F: ?Sized; - impl<Args, F, A> Fn<Args> for Box<F, A> where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized; + - impl<F, Args> Fn<Args> for Exclusive<F> + where F: Sync, F: Fn<Args>, Args: Tuple; error[E0118]: no nominal type found for inherent implementation --> $DIR/where-allowed.rs:240:1 diff --git a/tests/ui/pattern/usefulness/integer-ranges/pointer-sized-int.deny.stderr b/tests/ui/pattern/usefulness/integer-ranges/pointer-sized-int.deny.stderr index 7caee64a33f..099d6e86243 100644 --- a/tests/ui/pattern/usefulness/integer-ranges/pointer-sized-int.deny.stderr +++ b/tests/ui/pattern/usefulness/integer-ranges/pointer-sized-int.deny.stderr @@ -5,7 +5,7 @@ LL | match 0usize { | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 0..=usize::MAX => {}, @@ -19,7 +19,7 @@ LL | match 0isize { | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ isize::MIN..=isize::MAX => {}, @@ -33,7 +33,7 @@ LL | m!(0usize, 0..=usize::MAX); | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, usize::MAX.. => todo!() } @@ -46,7 +46,7 @@ LL | m!(0usize, 0..5 | 5..=usize::MAX); | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, usize::MAX.. => todo!() } @@ -59,7 +59,7 @@ LL | m!(0usize, 0..usize::MAX | usize::MAX); | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, usize::MAX.. => todo!() } @@ -72,7 +72,7 @@ LL | m!((0usize, true), (0..5, true) | (5..=usize::MAX, true) | (0..=usize:: | ^^^^^^^^^^^^^^ pattern `(usize::MAX.., _)` not covered | = note: the matched value is of type `(usize, bool)` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL | match $s { $($t)+ => {}, (usize::MAX.., _) => todo!() } @@ -85,7 +85,7 @@ LL | m!(0isize, isize::MIN..=isize::MAX); | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL | match $s { $($t)+ => {}, ..isize::MIN | isize::MAX.. => todo!() } @@ -98,7 +98,7 @@ LL | m!(0isize, isize::MIN..5 | 5..=isize::MAX); | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL | match $s { $($t)+ => {}, ..isize::MIN | isize::MAX.. => todo!() } @@ -111,7 +111,7 @@ LL | m!(0isize, isize::MIN..=-1 | 0 | 1..=isize::MAX); | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL | match $s { $($t)+ => {}, ..isize::MIN | isize::MAX.. => todo!() } @@ -124,7 +124,7 @@ LL | m!(0isize, isize::MIN..isize::MAX | isize::MAX); | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL | match $s { $($t)+ => {}, ..isize::MIN | isize::MAX.. => todo!() } @@ -137,7 +137,7 @@ LL | (0isize, true), | ^^^^^^^^^^^^^^ patterns `(..isize::MIN, _)` and `(isize::MAX.., _)` not covered | = note: the matched value is of type `(isize, bool)` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL | match $s { $($t)+ => {}, (..isize::MIN, _) | (isize::MAX.., _) => todo!() } diff --git a/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.rs b/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.rs index d60f479c0d1..6a0106134b5 100644 --- a/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.rs +++ b/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.rs @@ -4,7 +4,7 @@ fn main() { //~^ ERROR non-exhaustive patterns: `usize::MAX..` not covered //~| NOTE pattern `usize::MAX..` not covered //~| NOTE the matched value is of type `usize` - //~| NOTE `usize` does not have a fixed maximum value + //~| NOTE `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively 0..=usize::MAX => {} } @@ -12,7 +12,7 @@ fn main() { //~^ ERROR non-exhaustive patterns: `..isize::MIN` and `isize::MAX..` not covered //~| NOTE patterns `..isize::MIN` and `isize::MAX..` not covered //~| NOTE the matched value is of type `isize` - //~| NOTE `isize` does not have fixed minimum and maximum values + //~| NOTE `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively isize::MIN..=isize::MAX => {} } } diff --git a/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.stderr b/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.stderr index 36743aa8102..fefe7f46ead 100644 --- a/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.stderr +++ b/tests/ui/pattern/usefulness/integer-ranges/precise_pointer_matching-message.stderr @@ -5,7 +5,7 @@ LL | match 0usize { | ^^^^^^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 0..=usize::MAX => {}, @@ -19,7 +19,7 @@ LL | match 0isize { | ^^^^^^ patterns `..isize::MIN` and `isize::MAX..` not covered | = note: the matched value is of type `isize` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ isize::MIN..=isize::MAX => {}, diff --git a/tests/ui/pattern/usefulness/issue-85222-types-containing-non-exhaustive-types.stderr b/tests/ui/pattern/usefulness/issue-85222-types-containing-non-exhaustive-types.stderr index c31411018bc..9d7b53093df 100644 --- a/tests/ui/pattern/usefulness/issue-85222-types-containing-non-exhaustive-types.stderr +++ b/tests/ui/pattern/usefulness/issue-85222-types-containing-non-exhaustive-types.stderr @@ -5,7 +5,7 @@ LL | match 0 { | ^ pattern `usize::MAX..` not covered | = note: the matched value is of type `usize` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ 1..=usize::MAX => (), @@ -19,7 +19,7 @@ LL | match (0usize, 0usize) { | ^^^^^^^^^^^^^^^^ pattern `(usize::MAX.., _)` not covered | = note: the matched value is of type `(usize, usize)` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ (1..=usize::MAX, 1..=usize::MAX) => (), @@ -33,7 +33,7 @@ LL | match (0isize, 0usize) { | ^^^^^^^^^^^^^^^^ patterns `(..isize::MIN, _)` and `(isize::MAX.., _)` not covered | = note: the matched value is of type `(isize, usize)` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ (isize::MIN..=isize::MAX, 1..=usize::MAX) => (), @@ -70,7 +70,7 @@ note: `Option<usize>` defined here | = note: not covered = note: the matched value is of type `Option<usize>` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ None => (), @@ -93,7 +93,7 @@ note: `Option<Option<Option<usize>>>` defined here | = note: not covered = note: the matched value is of type `Option<Option<Option<usize>>>` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ None => (), @@ -112,7 +112,7 @@ note: `A<usize>` defined here LL | struct A<T> { | ^ = note: the matched value is of type `A<usize>` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ A { a: 1..=usize::MAX } => (), @@ -131,7 +131,7 @@ note: `B<isize, usize>` defined here LL | struct B<T, U>(T, U); | ^ = note: the matched value is of type `B<isize, usize>` - = note: `isize` does not have fixed minimum and maximum values, so half-open ranges are necessary to match exhaustively + = note: `isize::MIN` and `isize::MAX` are not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern, a match arm with multiple or-patterns as shown, or multiple match arms | LL ~ B(isize::MIN..=isize::MAX, 1..=usize::MAX) => (), @@ -150,7 +150,7 @@ note: `B<isize, usize>` defined here LL | struct B<T, U>(T, U); | ^ = note: the matched value is of type `B<isize, usize>` - = note: `usize` does not have a fixed maximum value, so half-open ranges are necessary to match exhaustively + = note: `usize::MAX` is not treated as exhaustive, so half-open ranges are necessary to match exhaustively help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown | LL ~ B(_, 1..=usize::MAX) => (), diff --git a/tests/ui/reborrow/custom_mut.rs b/tests/ui/reborrow/custom_mut.rs new file mode 100644 index 00000000000..1e7c4693238 --- /dev/null +++ b/tests/ui/reborrow/custom_mut.rs @@ -0,0 +1,13 @@ +#![feature(reborrow)] +use std::ops::Reborrow; + +struct CustomMut<'a, T>(&'a mut T); +impl<'a, T> Reborrow for CustomMut<'a, T> {} + +fn method(a: CustomMut<'_, ()>) {} + +fn main() { + let a = CustomMut(&mut ()); + let _ = method(a); + let _ = method(a); //~ERROR use of moved value: `a` +} diff --git a/tests/ui/reborrow/custom_mut.stderr b/tests/ui/reborrow/custom_mut.stderr new file mode 100644 index 00000000000..3b3f47b62d6 --- /dev/null +++ b/tests/ui/reborrow/custom_mut.stderr @@ -0,0 +1,29 @@ +error[E0382]: use of moved value: `a` + --> $DIR/custom_mut.rs:12:20 + | +LL | let a = CustomMut(&mut ()); + | - move occurs because `a` has type `CustomMut<'_, ()>`, which does not implement the `Copy` trait +LL | let _ = method(a); + | - value moved here +LL | let _ = method(a); + | ^ value used here after move + | +note: consider changing this parameter type in function `method` to borrow instead if owning the value isn't necessary + --> $DIR/custom_mut.rs:7:14 + | +LL | fn method(a: CustomMut<'_, ()>) {} + | ------ ^^^^^^^^^^^^^^^^^ this parameter takes ownership of the value + | | + | in this function +note: if `CustomMut<'_, ()>` implemented `Clone`, you could clone the value + --> $DIR/custom_mut.rs:4:1 + | +LL | struct CustomMut<'a, T>(&'a mut T); + | ^^^^^^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type +... +LL | let _ = method(a); + | - you could clone this value + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0382`. diff --git a/tests/ui/reborrow/custom_mut_coerce_shared.rs b/tests/ui/reborrow/custom_mut_coerce_shared.rs new file mode 100644 index 00000000000..e2d25835c09 --- /dev/null +++ b/tests/ui/reborrow/custom_mut_coerce_shared.rs @@ -0,0 +1,28 @@ +#![feature(reborrow)] +use std::ops::{CoerceShared, Reborrow}; + +struct CustomMut<'a, T>(&'a mut T); +impl<'a, T> Reborrow for CustomMut<'a, T> {} +impl<'a, T> CoerceShared for CustomMut<'a, T> { + type Target = CustomRef<'a, T>; +} + +struct CustomRef<'a, T>(&'a T); + +impl<'a, T> Clone for CustomRef<'a, T> { + fn clone(&self) -> Self { + Self(self.0) + } +} +impl<'a, T> Copy for CustomRef<'a, T> {} + +fn method(a: CustomRef<'_, ()>) {} //~NOTE function defined here + +fn main() { + let a = CustomMut(&mut ()); + method(a); + //~^ ERROR mismatched types + //~| NOTE expected `CustomRef<'_, ()>`, found `CustomMut<'_, ()>` + //~| NOTE arguments to this function are incorrect + //~| NOTE expected struct `CustomRef<'_, ()>` +} diff --git a/tests/ui/reborrow/custom_mut_coerce_shared.stderr b/tests/ui/reborrow/custom_mut_coerce_shared.stderr new file mode 100644 index 00000000000..508651badc0 --- /dev/null +++ b/tests/ui/reborrow/custom_mut_coerce_shared.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/custom_mut_coerce_shared.rs:23:12 + | +LL | method(a); + | ------ ^ expected `CustomRef<'_, ()>`, found `CustomMut<'_, ()>` + | | + | arguments to this function are incorrect + | + = note: expected struct `CustomRef<'_, ()>` + found struct `CustomMut<'_, ()>` +note: function defined here + --> $DIR/custom_mut_coerce_shared.rs:19:4 + | +LL | fn method(a: CustomRef<'_, ()>) {} + | ^^^^^^ -------------------- + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/reborrow/option_mut.rs b/tests/ui/reborrow/option_mut.rs new file mode 100644 index 00000000000..04d8301772d --- /dev/null +++ b/tests/ui/reborrow/option_mut.rs @@ -0,0 +1,7 @@ +fn method(a: Option<&mut ()>) {} + +fn main() { + let a = Some(&mut ()); + let _ = method(a); + let _ = method(a); //~ERROR use of moved value: `a` +} diff --git a/tests/ui/reborrow/option_mut.stderr b/tests/ui/reborrow/option_mut.stderr new file mode 100644 index 00000000000..d665e266079 --- /dev/null +++ b/tests/ui/reborrow/option_mut.stderr @@ -0,0 +1,21 @@ +error[E0382]: use of moved value: `a` + --> $DIR/option_mut.rs:6:20 + | +LL | let a = Some(&mut ()); + | - move occurs because `a` has type `Option<&mut ()>`, which does not implement the `Copy` trait +LL | let _ = method(a); + | - value moved here +LL | let _ = method(a); + | ^ value used here after move + | +note: consider changing this parameter type in function `method` to borrow instead if owning the value isn't necessary + --> $DIR/option_mut.rs:1:14 + | +LL | fn method(a: Option<&mut ()>) {} + | ------ ^^^^^^^^^^^^^^^ this parameter takes ownership of the value + | | + | in this function + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0382`. diff --git a/tests/ui/reborrow/option_mut_coerce_shared.rs b/tests/ui/reborrow/option_mut_coerce_shared.rs new file mode 100644 index 00000000000..95d33ed94dd --- /dev/null +++ b/tests/ui/reborrow/option_mut_coerce_shared.rs @@ -0,0 +1,11 @@ +fn method(a: Option<&()>) {} //~NOTE function defined here + +fn main() { + let a = Some(&mut ()); + method(a); + //~^ ERROR mismatched types + //~| NOTE arguments to this function are incorrect + //~| NOTE types differ in mutability + //~| NOTE expected enum `Option<&()>` + //~| NOTE found enum `Option<&mut ()>` +} diff --git a/tests/ui/reborrow/option_mut_coerce_shared.stderr b/tests/ui/reborrow/option_mut_coerce_shared.stderr new file mode 100644 index 00000000000..6ca1a237461 --- /dev/null +++ b/tests/ui/reborrow/option_mut_coerce_shared.stderr @@ -0,0 +1,23 @@ +error[E0308]: mismatched types + --> $DIR/option_mut_coerce_shared.rs:5:12 + | +LL | method(a); + | ------ ^ types differ in mutability + | | + | arguments to this function are incorrect + | + = note: expected enum `Option<&()>` + found enum `Option<&mut ()>` +note: function defined here + --> $DIR/option_mut_coerce_shared.rs:1:4 + | +LL | fn method(a: Option<&()>) {} + | ^^^^^^ -------------- +help: try using `.as_deref()` to convert `Option<&mut ()>` to `Option<&()>` + | +LL | method(a.as_deref()); + | +++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/reborrow/pin_mut.rs b/tests/ui/reborrow/pin_mut.rs new file mode 100644 index 00000000000..959cb14f8c9 --- /dev/null +++ b/tests/ui/reborrow/pin_mut.rs @@ -0,0 +1,10 @@ +use std::pin::Pin; + +fn method(a: Pin<&mut ()>) {} + +fn main() { + let a = &mut (); + let a = Pin::new(a); + let _ = method(a); + let _ = method(a); //~ERROR use of moved value: `a` +} diff --git a/tests/ui/reborrow/pin_mut.stderr b/tests/ui/reborrow/pin_mut.stderr new file mode 100644 index 00000000000..64e3f603e11 --- /dev/null +++ b/tests/ui/reborrow/pin_mut.stderr @@ -0,0 +1,21 @@ +error[E0382]: use of moved value: `a` + --> $DIR/pin_mut.rs:9:20 + | +LL | let a = Pin::new(a); + | - move occurs because `a` has type `Pin<&mut ()>`, which does not implement the `Copy` trait +LL | let _ = method(a); + | - value moved here +LL | let _ = method(a); + | ^ value used here after move + | +note: consider changing this parameter type in function `method` to borrow instead if owning the value isn't necessary + --> $DIR/pin_mut.rs:3:14 + | +LL | fn method(a: Pin<&mut ()>) {} + | ------ ^^^^^^^^^^^^ this parameter takes ownership of the value + | | + | in this function + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0382`. diff --git a/tests/ui/reborrow/pin_mut_coerce_shared.rs b/tests/ui/reborrow/pin_mut_coerce_shared.rs new file mode 100644 index 00000000000..06af0b765d0 --- /dev/null +++ b/tests/ui/reborrow/pin_mut_coerce_shared.rs @@ -0,0 +1,13 @@ +use std::pin::Pin; + +fn method(a: Pin<&()>) {} //~NOTE function defined here + +fn main() { + let a = &mut (); + let a = Pin::new(a); + method(a); + //~^ ERROR mismatched types + //~| NOTE arguments to this function are incorrect + //~| NOTE types differ in mutability + //~| NOTE expected struct `Pin<&()>` +} diff --git a/tests/ui/reborrow/pin_mut_coerce_shared.stderr b/tests/ui/reborrow/pin_mut_coerce_shared.stderr new file mode 100644 index 00000000000..74ecf4de4c7 --- /dev/null +++ b/tests/ui/reborrow/pin_mut_coerce_shared.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/pin_mut_coerce_shared.rs:8:12 + | +LL | method(a); + | ------ ^ types differ in mutability + | | + | arguments to this function are incorrect + | + = note: expected struct `Pin<&()>` + found struct `Pin<&mut ()>` +note: function defined here + --> $DIR/pin_mut_coerce_shared.rs:3:4 + | +LL | fn method(a: Pin<&()>) {} + | ^^^^^^ ----------- + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/traits/next-solver/cycles/ignore-head-usages-provisional-cache.rs b/tests/ui/traits/next-solver/cycles/ignore-head-usages-provisional-cache.rs new file mode 100644 index 00000000000..9a33ae53644 --- /dev/null +++ b/tests/ui/traits/next-solver/cycles/ignore-head-usages-provisional-cache.rs @@ -0,0 +1,55 @@ +//@ compile-flags: -Znext-solver +//@ check-pass + +// A regression test for trait-system-refactor-initiative#232. We've +// previously incorrectly rebased provisional cache entries even if +// the cycle head didn't reach a fixpoint as it did not depend on any +// cycles itself. +// +// Just because the result of a goal does not depend on its own provisional +// result, it does not mean its nested goals don't depend on its result. +struct B; +struct C; +struct D; + +pub trait Trait { + type Output; +} +macro_rules! k { + ($t:ty) => { + <$t as Trait>::Output + }; +} + +trait CallB<T1, T2> { + type Output; + type Return; +} + +trait CallC<T1> { + type Output; + type Return; +} + +trait CallD<T1, T2> { + type Output; +} + +fn foo<X, Y>() +where + X: Trait, + Y: Trait, + D: CallD<k![X], k![Y]>, + C: CallC<<D as CallD<k![X], k![Y]>>::Output>, + <C as CallC<<D as CallD<k![X], k![Y]>>::Output>>::Output: Trait, + B: CallB< + <C as CallC<<D as CallD<k![X], k![Y]>>::Output>>::Return, + <C as CallC<<D as CallD<k![X], k![Y]>>::Output>>::Output, + >, + <B as CallB< + <C as CallC<<D as CallD<k![X], k![Y]>>::Output>>::Return, + <C as CallC<<D as CallD<k![X], k![Y]>>::Output>>::Output, + >>::Output: Trait<Output = ()>, +{ +} +fn main() {} diff --git a/tests/ui/traits/next-solver/well-formed-in-relate.stderr b/tests/ui/traits/next-solver/well-formed-in-relate.stderr index 5294a072d31..d79e465b3e3 100644 --- a/tests/ui/traits/next-solver/well-formed-in-relate.stderr +++ b/tests/ui/traits/next-solver/well-formed-in-relate.stderr @@ -12,6 +12,8 @@ LL | x = unconstrained_map(); where A: Tuple, F: Fn<A>, F: ?Sized; - impl<Args, F, A> Fn<Args> for Box<F, A> where Args: Tuple, F: Fn<Args>, A: Allocator, F: ?Sized; + - impl<F, Args> Fn<Args> for Exclusive<F> + where F: Sync, F: Fn<Args>, Args: Tuple; note: required by a bound in `unconstrained_map` --> $DIR/well-formed-in-relate.rs:21:25 | diff --git a/tests/ui/union/union-unsafe.rs b/tests/ui/union/union-unsafe.rs index bd3946686be..beb074f4e8e 100644 --- a/tests/ui/union/union-unsafe.rs +++ b/tests/ui/union/union-unsafe.rs @@ -1,5 +1,6 @@ use std::cell::RefCell; use std::mem::ManuallyDrop; +use std::ops::Deref; union U1 { a: u8, @@ -17,6 +18,10 @@ union U4<T: Copy> { a: T, } +union U5 { + a: usize, +} + union URef { p: &'static mut i32, } @@ -31,6 +36,20 @@ fn deref_union_field(mut u: URef) { *(u.p) = 13; //~ ERROR access to union field is unsafe } +union A { + a: usize, + b: &'static &'static B, +} + +union B { + c: usize, +} + +fn raw_deref_union_field(mut u: URef) { + // This is unsafe because we first dereference u.p (reading uninitialized memory) + let _p = &raw const *(u.p); //~ ERROR access to union field is unsafe +} + fn assign_noncopy_union_field(mut u: URefCell) { u.a = (ManuallyDrop::new(RefCell::new(0)), 1); // OK (assignment does not drop) u.a.0 = ManuallyDrop::new(RefCell::new(0)); // OK (assignment does not drop) @@ -57,6 +76,20 @@ fn main() { let a = u1.a; //~ ERROR access to union field is unsafe u1.a = 11; // OK + let mut u2 = U1 { a: 10 }; + let a = &raw mut u2.a; // OK + unsafe { *a = 3 }; + + let mut u3 = U1 { a: 10 }; + let a = std::ptr::addr_of_mut!(u3.a); // OK + unsafe { *a = 14 }; + + let u4 = U5 { a: 2 }; + let vec = vec![1, 2, 3]; + // This is unsafe because we read u4.a (potentially uninitialized memory) + // to use as an array index + let _a = &raw const vec[u4.a]; //~ ERROR access to union field is unsafe + let U1 { a } = u1; //~ ERROR access to union field is unsafe if let U1 { a: 12 } = u1 {} //~ ERROR access to union field is unsafe if let Some(U1 { a: 13 }) = Some(u1) {} //~ ERROR access to union field is unsafe @@ -73,4 +106,44 @@ fn main() { let mut u3 = U3 { a: ManuallyDrop::new(String::from("old")) }; // OK u3.a = ManuallyDrop::new(String::from("new")); // OK (assignment does not drop) *u3.a = String::from("new"); //~ ERROR access to union field is unsafe + + let mut unions = [U1 { a: 1 }, U1 { a: 2 }]; + + // Array indexing + union field raw borrow - should be OK + let ptr = &raw mut unions[0].a; // OK + let ptr2 = &raw const unions[1].a; // OK + + let a = A { a: 0 }; + let _p = &raw const (**a.b).c; //~ ERROR access to union field is unsafe + + arbitrary_deref(); +} + +// regression test for https://github.com/rust-lang/rust/pull/141469#discussion_r2312546218 +fn arbitrary_deref() { + use std::ops::Deref; + + union A { + a: usize, + b: B, + } + + #[derive(Copy, Clone)] + struct B(&'static str); + + impl Deref for B { + type Target = C; + + fn deref(&self) -> &C { + println!("{:?}", self.0); + &C { c: 0 } + } + } + + union C { + c: usize, + } + + let a = A { a: 0 }; + let _p = &raw const (*a.b).c; //~ ERROR access to union field is unsafe } diff --git a/tests/ui/union/union-unsafe.stderr b/tests/ui/union/union-unsafe.stderr index 82b3f897167..01f4d95eb64 100644 --- a/tests/ui/union/union-unsafe.stderr +++ b/tests/ui/union/union-unsafe.stderr @@ -1,5 +1,5 @@ error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:31:6 + --> $DIR/union-unsafe.rs:36:6 | LL | *(u.p) = 13; | ^^^^^ access to union field @@ -7,7 +7,15 @@ LL | *(u.p) = 13; = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:43:6 + --> $DIR/union-unsafe.rs:50:26 + | +LL | let _p = &raw const *(u.p); + | ^^^^^ access to union field + | + = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior + +error[E0133]: access to union field is unsafe and requires unsafe function or block + --> $DIR/union-unsafe.rs:62:6 | LL | *u3.a = T::default(); | ^^^^ access to union field @@ -15,7 +23,7 @@ LL | *u3.a = T::default(); = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:49:6 + --> $DIR/union-unsafe.rs:68:6 | LL | *u3.a = T::default(); | ^^^^ access to union field @@ -23,7 +31,7 @@ LL | *u3.a = T::default(); = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:57:13 + --> $DIR/union-unsafe.rs:76:13 | LL | let a = u1.a; | ^^^^ access to union field @@ -31,7 +39,15 @@ LL | let a = u1.a; = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:60:14 + --> $DIR/union-unsafe.rs:91:29 + | +LL | let _a = &raw const vec[u4.a]; + | ^^^^ access to union field + | + = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior + +error[E0133]: access to union field is unsafe and requires unsafe function or block + --> $DIR/union-unsafe.rs:93:14 | LL | let U1 { a } = u1; | ^ access to union field @@ -39,7 +55,7 @@ LL | let U1 { a } = u1; = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:61:20 + --> $DIR/union-unsafe.rs:94:20 | LL | if let U1 { a: 12 } = u1 {} | ^^ access to union field @@ -47,7 +63,7 @@ LL | if let U1 { a: 12 } = u1 {} = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:62:25 + --> $DIR/union-unsafe.rs:95:25 | LL | if let Some(U1 { a: 13 }) = Some(u1) {} | ^^ access to union field @@ -55,7 +71,7 @@ LL | if let Some(U1 { a: 13 }) = Some(u1) {} = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:67:6 + --> $DIR/union-unsafe.rs:100:6 | LL | *u2.a = String::from("new"); | ^^^^ access to union field @@ -63,7 +79,7 @@ LL | *u2.a = String::from("new"); = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:71:6 + --> $DIR/union-unsafe.rs:104:6 | LL | *u3.a = 1; | ^^^^ access to union field @@ -71,13 +87,29 @@ LL | *u3.a = 1; = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block - --> $DIR/union-unsafe.rs:75:6 + --> $DIR/union-unsafe.rs:108:6 | LL | *u3.a = String::from("new"); | ^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior -error: aborting due to 10 previous errors +error[E0133]: access to union field is unsafe and requires unsafe function or block + --> $DIR/union-unsafe.rs:117:28 + | +LL | let _p = &raw const (**a.b).c; + | ^^^ access to union field + | + = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior + +error[E0133]: access to union field is unsafe and requires unsafe function or block + --> $DIR/union-unsafe.rs:148:27 + | +LL | let _p = &raw const (*a.b).c; + | ^^^ access to union field + | + = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior + +error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/typos.toml b/typos.toml index b0ff48f8fa2..c7d5b0000b9 100644 --- a/typos.toml +++ b/typos.toml @@ -53,6 +53,7 @@ ERROR_DS_NOT_AUTHORITIVE_FOR_DST_NC = "ERROR_DS_NOT_AUTHORITIVE_FOR_DST_NC" ERROR_MCA_OCCURED = "ERROR_MCA_OCCURED" ERRNO_ACCES = "ERRNO_ACCES" tolen = "tolen" +EnzymeTypeTreeShiftIndiciesEq = "EnzymeTypeTreeShiftIndiciesEq" [default] extend-ignore-words-re = [ |