diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
18 files changed, 176 insertions, 82 deletions
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index 043123fcab2..399f8b6e762 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -42,12 +42,13 @@ trait ArgAttributesExt { const ABI_AFFECTING_ATTRIBUTES: [(ArgAttribute, llvm::AttributeKind); 1] = [(ArgAttribute::InReg, llvm::AttributeKind::InReg)]; -const OPTIMIZATION_ATTRIBUTES: [(ArgAttribute, llvm::AttributeKind); 5] = [ +const OPTIMIZATION_ATTRIBUTES: [(ArgAttribute, llvm::AttributeKind); 6] = [ (ArgAttribute::NoAlias, llvm::AttributeKind::NoAlias), (ArgAttribute::NoCapture, llvm::AttributeKind::NoCapture), (ArgAttribute::NonNull, llvm::AttributeKind::NonNull), (ArgAttribute::ReadOnly, llvm::AttributeKind::ReadOnly), (ArgAttribute::NoUndef, llvm::AttributeKind::NoUndef), + (ArgAttribute::CapturesReadOnly, llvm::AttributeKind::CapturesReadOnly), ]; fn get_attrs<'ll>(this: &ArgAttributes, cx: &CodegenCx<'ll, '_>) -> SmallVec<[&'ll Attribute; 8]> { @@ -83,6 +84,10 @@ fn get_attrs<'ll>(this: &ArgAttributes, cx: &CodegenCx<'ll, '_>) -> SmallVec<[&' } for (attr, llattr) in OPTIMIZATION_ATTRIBUTES { if regular.contains(attr) { + // captures(address, read_provenance) is only available since LLVM 21. + if attr == ArgAttribute::CapturesReadOnly && llvm_util::get_version() < (21, 0, 0) { + continue; + } attrs.push(llattr.create_attr(cx.llcx)); } } diff --git a/compiler/rustc_codegen_llvm/src/allocator.rs b/compiler/rustc_codegen_llvm/src/allocator.rs index 23610aa856c..df3e49279d9 100644 --- a/compiler/rustc_codegen_llvm/src/allocator.rs +++ b/compiler/rustc_codegen_llvm/src/allocator.rs @@ -12,7 +12,7 @@ use smallvec::SmallVec; use crate::builder::SBuilder; use crate::declare::declare_simple_fn; -use crate::llvm::{self, False, True, Type, Value}; +use crate::llvm::{self, FALSE, TRUE, Type, Value}; use crate::{SimpleCx, attributes, debuginfo, llvm_util}; pub(crate) unsafe fn codegen( @@ -80,7 +80,7 @@ pub(crate) unsafe fn codegen( &cx, &mangle_internal_symbol(tcx, OomStrategy::SYMBOL), &i8, - &llvm::LLVMConstInt(i8, tcx.sess.opts.unstable_opts.oom.should_panic() as u64, False), + &llvm::LLVMConstInt(i8, tcx.sess.opts.unstable_opts.oom.should_panic() as u64, FALSE), ); // __rust_no_alloc_shim_is_unstable_v2 @@ -201,7 +201,7 @@ fn create_wrapper_function( .map(|(i, _)| llvm::get_param(llfn, i as c_uint)) .collect::<Vec<_>>(); let ret = bx.call(ty, callee, &args, None); - llvm::LLVMSetTailCall(ret, True); + llvm::LLVMSetTailCall(ret, TRUE); if output.is_some() { bx.ret(ret); } else { diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index a643a91141e..38c1d3b53e8 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -16,6 +16,7 @@ use tracing::debug; use crate::builder::Builder; use crate::common::Funclet; use crate::context::CodegenCx; +use crate::llvm::ToLlvmBool; use crate::type_::Type; use crate::type_of::LayoutLlvmExt; use crate::value::Value; @@ -470,10 +471,6 @@ pub(crate) fn inline_asm_call<'ll>( dest: Option<&'ll llvm::BasicBlock>, catch_funclet: Option<(&'ll llvm::BasicBlock, Option<&Funclet<'ll>>)>, ) -> Option<&'ll Value> { - let volatile = if volatile { llvm::True } else { llvm::False }; - let alignstack = if alignstack { llvm::True } else { llvm::False }; - let can_throw = if unwind { llvm::True } else { llvm::False }; - let argtys = inputs .iter() .map(|v| { @@ -500,10 +497,10 @@ pub(crate) fn inline_asm_call<'ll>( asm.len(), cons.as_ptr(), cons.len(), - volatile, - alignstack, + volatile.to_llvm_bool(), + alignstack.to_llvm_bool(), dia, - can_throw, + unwind.to_llvm_bool(), ) }; diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index a6daacd95ef..5affb26483a 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -420,6 +420,16 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR_ZEROED) { to_add.push(create_alloc_family_attr(cx.llcx)); + if let Some(zv) = + cx.tcx.get_attr(instance.def_id(), rustc_span::sym::rustc_allocator_zeroed_variant) + && let Some(name) = zv.value_str() + { + to_add.push(llvm::CreateAttrStringValue( + cx.llcx, + "alloc-variant-zeroed", + &mangle_internal_symbol(cx.tcx, name.as_str()), + )); + } // apply to argument place instead of function let alloc_align = AttributeKind::AllocAlign.create_attr(cx.llcx); attributes::apply_to_llfn(llfn, AttributePlace::Argument(1), &[alloc_align]); @@ -497,7 +507,7 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( to_add.push(llvm::CreateAttrStringValue(cx.llcx, "wasm-import-module", module)); let name = - codegen_fn_attrs.link_name.unwrap_or_else(|| cx.tcx.item_name(instance.def_id())); + codegen_fn_attrs.symbol_name.unwrap_or_else(|| cx.tcx.item_name(instance.def_id())); let name = name.as_str(); to_add.push(llvm::CreateAttrStringValue(cx.llcx, "wasm-import-name", name)); } diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 62998003ca1..7c65d667bda 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -1110,7 +1110,7 @@ fn embed_bitcode( llvm::set_section(llglobal, bitcode_section_name(cgcx)); llvm::set_linkage(llglobal, llvm::Linkage::PrivateLinkage); - llvm::LLVMSetGlobalConstant(llglobal, llvm::True); + llvm::LLVMSetGlobalConstant(llglobal, llvm::TRUE); let llconst = common::bytes_in_context(llcx, &[]); let llglobal = llvm::add_global(llmod, common::val_ty(llconst), c"rustc.embedded.cmdline"); diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 427c75d40e9..37379586d58 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -35,7 +35,7 @@ use crate::attributes; use crate::common::Funclet; use crate::context::{CodegenCx, FullCx, GenericCx, SCx}; use crate::llvm::{ - self, AtomicOrdering, AtomicRmwBinOp, BasicBlock, False, GEPNoWrapFlags, Metadata, True, + self, AtomicOrdering, AtomicRmwBinOp, BasicBlock, GEPNoWrapFlags, Metadata, TRUE, ToLlvmBool, }; use crate::type_::Type; use crate::type_of::LayoutLlvmExt; @@ -493,8 +493,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { unsafe { let add = llvm::LLVMBuildAdd(self.llbuilder, a, b, UNNAMED); if llvm::LLVMIsAInstruction(add).is_some() { - llvm::LLVMSetNUW(add, True); - llvm::LLVMSetNSW(add, True); + llvm::LLVMSetNUW(add, TRUE); + llvm::LLVMSetNSW(add, TRUE); } add } @@ -503,8 +503,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { unsafe { let sub = llvm::LLVMBuildSub(self.llbuilder, a, b, UNNAMED); if llvm::LLVMIsAInstruction(sub).is_some() { - llvm::LLVMSetNUW(sub, True); - llvm::LLVMSetNSW(sub, True); + llvm::LLVMSetNUW(sub, TRUE); + llvm::LLVMSetNSW(sub, TRUE); } sub } @@ -513,8 +513,8 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { unsafe { let mul = llvm::LLVMBuildMul(self.llbuilder, a, b, UNNAMED); if llvm::LLVMIsAInstruction(mul).is_some() { - llvm::LLVMSetNUW(mul, True); - llvm::LLVMSetNSW(mul, True); + llvm::LLVMSetNUW(mul, TRUE); + llvm::LLVMSetNSW(mul, TRUE); } mul } @@ -528,7 +528,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { // an instruction, so we need to check before setting the flag. // (See also `LLVMBuildNUWNeg` which also needs a check.) if llvm::LLVMIsAInstruction(or).is_some() { - llvm::LLVMSetIsDisjoint(or, True); + llvm::LLVMSetIsDisjoint(or, TRUE); } or } @@ -629,7 +629,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { fn volatile_load(&mut self, ty: &'ll Type, ptr: &'ll Value) -> &'ll Value { unsafe { let load = llvm::LLVMBuildLoad2(self.llbuilder, ty, ptr, UNNAMED); - llvm::LLVMSetVolatile(load, llvm::True); + llvm::LLVMSetVolatile(load, llvm::TRUE); load } } @@ -717,7 +717,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { let mut const_llval = None; let llty = place.layout.llvm_type(self); if let Some(global) = llvm::LLVMIsAGlobalVariable(place.val.llval) { - if llvm::LLVMIsGlobalConstant(global) == llvm::True { + if llvm::LLVMIsGlobalConstant(global).is_true() { if let Some(init) = llvm::LLVMGetInitializer(global) { if self.val_ty(init) == llty { const_llval = Some(init); @@ -838,7 +838,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { if flags.contains(MemFlags::UNALIGNED) { 1 } else { align.bytes() as c_uint }; llvm::LLVMSetAlignment(store, align); if flags.contains(MemFlags::VOLATILE) { - llvm::LLVMSetVolatile(store, llvm::True); + llvm::LLVMSetVolatile(store, llvm::TRUE); } if flags.contains(MemFlags::NONTEMPORAL) { // Make sure that the current target architectures supports "sane" non-temporal @@ -956,7 +956,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { let trunc = self.trunc(val, dest_ty); unsafe { if llvm::LLVMIsAInstruction(trunc).is_some() { - llvm::LLVMSetNUW(trunc, True); + llvm::LLVMSetNUW(trunc, TRUE); } } trunc @@ -968,7 +968,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { let trunc = self.trunc(val, dest_ty); unsafe { if llvm::LLVMIsAInstruction(trunc).is_some() { - llvm::LLVMSetNSW(trunc, True); + llvm::LLVMSetNSW(trunc, TRUE); } } trunc @@ -1067,13 +1067,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { fn intcast(&mut self, val: &'ll Value, dest_ty: &'ll Type, is_signed: bool) -> &'ll Value { unsafe { - llvm::LLVMBuildIntCast2( - self.llbuilder, - val, - dest_ty, - if is_signed { True } else { False }, - UNNAMED, - ) + llvm::LLVMBuildIntCast2(self.llbuilder, val, dest_ty, is_signed.to_llvm_bool(), UNNAMED) } } @@ -1229,7 +1223,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { let ty = self.type_struct(&[self.type_ptr(), self.type_i32()], false); let landing_pad = self.landing_pad(ty, pers_fn, 0); unsafe { - llvm::LLVMSetCleanup(landing_pad, llvm::True); + llvm::LLVMSetCleanup(landing_pad, llvm::TRUE); } (self.extract_value(landing_pad, 0), self.extract_value(landing_pad, 1)) } @@ -1317,7 +1311,6 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { failure_order: rustc_middle::ty::AtomicOrdering, weak: bool, ) -> (&'ll Value, &'ll Value) { - let weak = if weak { llvm::True } else { llvm::False }; unsafe { let value = llvm::LLVMBuildAtomicCmpXchg( self.llbuilder, @@ -1326,9 +1319,9 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { src, AtomicOrdering::from_generic(order), AtomicOrdering::from_generic(failure_order), - llvm::False, // SingleThreaded + llvm::FALSE, // SingleThreaded ); - llvm::LLVMSetWeak(value, weak); + llvm::LLVMSetWeak(value, weak.to_llvm_bool()); let val = self.extract_value(value, 0); let success = self.extract_value(value, 1); (val, success) @@ -1353,7 +1346,7 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { dst, src, AtomicOrdering::from_generic(order), - llvm::False, // SingleThreaded + llvm::FALSE, // SingleThreaded ) }; if ret_ptr && self.val_ty(res) != self.type_ptr() { @@ -1368,14 +1361,14 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { scope: SynchronizationScope, ) { let single_threaded = match scope { - SynchronizationScope::SingleThread => llvm::True, - SynchronizationScope::CrossThread => llvm::False, + SynchronizationScope::SingleThread => true, + SynchronizationScope::CrossThread => false, }; unsafe { llvm::LLVMBuildFence( self.llbuilder, AtomicOrdering::from_generic(order), - single_threaded, + single_threaded.to_llvm_bool(), UNNAMED, ); } diff --git a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs index e2df3265f6f..6ddf53cdc87 100644 --- a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs +++ b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs @@ -11,7 +11,7 @@ use crate::builder::{Builder, PlaceRef, UNNAMED}; use crate::context::SimpleCx; use crate::declare::declare_simple_fn; use crate::llvm; -use crate::llvm::{Metadata, True, Type}; +use crate::llvm::{Metadata, TRUE, Type}; use crate::value::Value; pub(crate) fn adjust_activity_to_abi<'tcx>( @@ -293,7 +293,7 @@ pub(crate) fn generate_enzyme_call<'ll, 'tcx>( // ret double %0 // } // ``` - let enzyme_ty = unsafe { llvm::LLVMFunctionType(ret_ty, ptr::null(), 0, True) }; + let enzyme_ty = unsafe { llvm::LLVMFunctionType(ret_ty, ptr::null(), 0, TRUE) }; // FIXME(ZuseZ4): the CC/Addr/Vis values are best effort guesses, we should look at tests and // think a bit more about what should go here. diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index f29fefb66f0..11b79a7fe68 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -20,7 +20,7 @@ use tracing::debug; use crate::consts::const_alloc_to_llvm; pub(crate) use crate::context::CodegenCx; use crate::context::{GenericCx, SCx}; -use crate::llvm::{self, BasicBlock, Bool, ConstantInt, False, Metadata, True}; +use crate::llvm::{self, BasicBlock, ConstantInt, FALSE, Metadata, TRUE, ToLlvmBool}; use crate::type_::Type; use crate::value::Value; @@ -158,7 +158,7 @@ impl<'ll, 'tcx> ConstCodegenMethods for CodegenCx<'ll, 'tcx> { self.type_kind(t) == TypeKind::Integer, "only allows integer types in const_int" ); - unsafe { llvm::LLVMConstInt(t, i as u64, True) } + unsafe { llvm::LLVMConstInt(t, i as u64, TRUE) } } fn const_u8(&self, i: u8) -> &'ll Value { @@ -192,7 +192,7 @@ impl<'ll, 'tcx> ConstCodegenMethods for CodegenCx<'ll, 'tcx> { self.type_kind(t) == TypeKind::Integer, "only allows integer types in const_uint" ); - unsafe { llvm::LLVMConstInt(t, i, False) } + unsafe { llvm::LLVMConstInt(t, i, FALSE) } } fn const_uint_big(&self, t: &'ll Type, u: u128) -> &'ll Value { @@ -377,7 +377,7 @@ pub(crate) fn val_ty(v: &Value) -> &Type { pub(crate) fn bytes_in_context<'ll>(llcx: &'ll llvm::Context, bytes: &[u8]) -> &'ll Value { unsafe { let ptr = bytes.as_ptr() as *const c_char; - llvm::LLVMConstStringInContext2(llcx, ptr, bytes.len(), True) + llvm::LLVMConstStringInContext2(llcx, ptr, bytes.len(), TRUE) } } @@ -392,7 +392,7 @@ fn struct_in_context<'ll>( packed: bool, ) -> &'ll Value { let len = c_uint::try_from(elts.len()).expect("LLVMConstStructInContext elements len overflow"); - unsafe { llvm::LLVMConstStructInContext(llcx, elts.as_ptr(), len, packed as Bool) } + unsafe { llvm::LLVMConstStructInContext(llcx, elts.as_ptr(), len, packed.to_llvm_bool()) } } #[inline] diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 2d91ae64e2d..4fd6110ac4a 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -471,6 +471,15 @@ pub(crate) unsafe fn create_module<'ll>( } } + if sess.opts.unstable_opts.indirect_branch_cs_prefix { + llvm::add_module_flag_u32( + llmod, + llvm::ModuleFlagMergeBehavior::Override, + "indirect_branch_cs_prefix", + 1, + ); + } + match (sess.opts.unstable_opts.small_data_threshold, sess.target.small_data_threshold_support()) { // Set up the small-data optimization limit for architectures that use @@ -692,7 +701,7 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> { } pub(crate) fn get_const_int(&self, ty: &'ll Type, val: u64) -> &'ll Value { - unsafe { llvm::LLVMConstInt(ty, val, llvm::False) } + unsafe { llvm::LLVMConstInt(ty, val, llvm::FALSE) } } pub(crate) fn get_const_i64(&self, n: u64) -> &'ll Value { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs b/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs index 6eb7042da61..7a6dc008c7b 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/gdb.rs @@ -72,7 +72,7 @@ pub(crate) fn get_or_insert_gdb_debug_scripts_section_global<'ll>( .unwrap_or_else(|| bug!("symbol `{}` is already defined", section_var_name)); llvm::set_section(section_var, c".debug_gdb_scripts"); llvm::set_initializer(section_var, cx.const_bytes(section_contents)); - llvm::LLVMSetGlobalConstant(section_var, llvm::True); + llvm::LLVMSetGlobalConstant(section_var, llvm::TRUE); llvm::set_unnamed_address(section_var, llvm::UnnamedAddr::Global); llvm::set_linkage(section_var, llvm::Linkage::LinkOnceODRLinkage); // This should make sure that the whole section is not larger than diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs index d1502d2b1e6..18a783a348a 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs @@ -276,7 +276,7 @@ pub(super) fn build_type_with_children<'ll, 'tcx>( && let ty::Adt(adt_def, args) = ty.kind() { let def_id = adt_def.did(); - // If any sub type reference the original type definition and the sub type has a type + // If any child type references the original type definition and the child type has a type // parameter that strictly contains the original parameter, the original type is a recursive // type that can expanding indefinitely. Example, // ``` @@ -285,21 +285,43 @@ pub(super) fn build_type_with_children<'ll, 'tcx>( // Item(T), // } // ``` - let is_expanding_recursive = adt_def.is_enum() - && debug_context(cx).adt_stack.borrow().iter().any(|(parent_def_id, parent_args)| { - if def_id == *parent_def_id { - args.iter().zip(parent_args.iter()).any(|(arg, parent_arg)| { - if let (Some(arg), Some(parent_arg)) = (arg.as_type(), parent_arg.as_type()) - { - arg != parent_arg && arg.contains(parent_arg) - } else { - false - } - }) - } else { - false - } - }); + let is_expanding_recursive = { + let stack = debug_context(cx).adt_stack.borrow(); + stack + .iter() + .enumerate() + .rev() + .skip(1) + .filter(|(_, (ancestor_def_id, _))| def_id == *ancestor_def_id) + .any(|(ancestor_index, (_, ancestor_args))| { + args.iter() + .zip(ancestor_args.iter()) + .filter_map(|(arg, ancestor_arg)| arg.as_type().zip(ancestor_arg.as_type())) + .any(|(arg, ancestor_arg)| + // Strictly contains. + (arg != ancestor_arg && arg.contains(ancestor_arg)) + // Check all types between current and ancestor use the + // ancestor_arg. + // Otherwise, duplicate wrappers in normal recursive type may be + // regarded as expanding. + // ``` + // struct Recursive { + // a: Box<Box<Recursive>>, + // } + // ``` + // It can produce an ADT stack like this, + // - Box<Recursive> + // - Recursive + // - Box<Box<Recursive>> + && stack[ancestor_index + 1..stack.len()].iter().all( + |(_, intermediate_args)| + intermediate_args + .iter() + .filter_map(|arg| arg.as_type()) + .any(|mid_arg| mid_arg.contains(ancestor_arg)) + )) + }) + }; if is_expanding_recursive { // FIXME: indicate that this is an expanding recursive type in stub metadata? return DINodeCreationResult::new(stub_info.metadata, false); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs index b4d639368b0..1dcf4ff3062 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs @@ -38,7 +38,7 @@ pub(crate) fn item_namespace<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'l parent_scope, namespace_name_string.as_ptr(), namespace_name_string.len(), - llvm::False, // ExportSymbols (only relevant for C++ anonymous namespaces) + llvm::FALSE, // ExportSymbols (only relevant for C++ anonymous namespaces) ) }; diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 4935f8d7dff..49d3dedbeab 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -330,10 +330,16 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { _ => bug!(), }; let ptr = args[0].immediate(); + let locality = fn_args.const_at(1).to_value().valtree.unwrap_leaf().to_i32(); self.call_intrinsic( "llvm.prefetch", &[self.val_ty(ptr)], - &[ptr, self.const_i32(rw), args[1].immediate(), self.const_i32(cache_type)], + &[ + ptr, + self.const_i32(rw), + self.const_i32(locality), + self.const_i32(cache_type), + ], ) } sym::carrying_mul_add => { diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 55d26a97e2d..fa2802a891f 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -11,9 +11,8 @@ //! the need for an extra cast from `*const u8` on the Rust side. #![allow(non_camel_case_types)] -#![allow(non_upper_case_globals)] -use std::fmt::Debug; +use std::fmt::{self, Debug}; use std::marker::PhantomData; use std::num::NonZero; use std::ptr; @@ -33,10 +32,59 @@ use crate::llvm; /// In the LLVM-C API, boolean values are passed as `typedef int LLVMBool`, /// which has a different ABI from Rust or C++ `bool`. -pub(crate) type Bool = c_int; +/// +/// This wrapper does not implement `PartialEq`. +/// To test the underlying boolean value, use [`Self::is_true`]. +#[derive(Clone, Copy)] +#[repr(transparent)] +pub(crate) struct Bool { + value: c_int, +} + +pub(crate) const TRUE: Bool = Bool::TRUE; +pub(crate) const FALSE: Bool = Bool::FALSE; + +impl Bool { + pub(crate) const TRUE: Self = Self { value: 1 }; + pub(crate) const FALSE: Self = Self { value: 0 }; + + pub(crate) const fn from_bool(rust_bool: bool) -> Self { + if rust_bool { Self::TRUE } else { Self::FALSE } + } + + /// Converts this LLVM-C boolean to a Rust `bool` + pub(crate) fn is_true(self) -> bool { + // Since we're interacting with a C API, follow the C convention of + // treating any nonzero value as true. + self.value != Self::FALSE.value + } +} -pub(crate) const True: Bool = 1 as Bool; -pub(crate) const False: Bool = 0 as Bool; +impl Debug for Bool { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self.value { + 0 => f.write_str("FALSE"), + 1 => f.write_str("TRUE"), + // As with `Self::is_true`, treat any nonzero value as true. + v => write!(f, "TRUE ({v})"), + } + } +} + +/// Convenience trait to convert `bool` to `llvm::Bool` with an explicit method call. +/// +/// Being able to write `b.to_llvm_bool()` is less noisy than `llvm::Bool::from(b)`, +/// while being more explicit and less mistake-prone than something like `b.into()`. +pub(crate) trait ToLlvmBool: Copy { + fn to_llvm_bool(self) -> llvm::Bool; +} + +impl ToLlvmBool for bool { + #[inline(always)] + fn to_llvm_bool(self) -> llvm::Bool { + llvm::Bool::from_bool(self) + } +} /// Wrapper for a raw enum value returned from LLVM's C APIs. /// @@ -251,6 +299,7 @@ pub(crate) enum AttributeKind { Writable = 42, DeadOnUnwind = 43, DeadOnReturn = 44, + CapturesReadOnly = 45, } /// LLVMIntPredicate diff --git a/compiler/rustc_codegen_llvm/src/llvm/mod.rs b/compiler/rustc_codegen_llvm/src/llvm/mod.rs index 7fea7b79a8c..6adabe53129 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/mod.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/mod.rs @@ -215,7 +215,7 @@ pub(crate) fn set_initializer(llglobal: &Value, constant_val: &Value) { } pub(crate) fn set_global_constant(llglobal: &Value, is_constant: bool) { - LLVMSetGlobalConstant(llglobal, if is_constant { ffi::True } else { ffi::False }); + LLVMSetGlobalConstant(llglobal, is_constant.to_llvm_bool()); } pub(crate) fn get_linkage(llglobal: &Value) -> Linkage { @@ -229,7 +229,7 @@ pub(crate) fn set_linkage(llglobal: &Value, linkage: Linkage) { } pub(crate) fn is_declaration(llglobal: &Value) -> bool { - unsafe { LLVMIsDeclaration(llglobal) == ffi::True } + unsafe { LLVMIsDeclaration(llglobal) }.is_true() } pub(crate) fn get_visibility(llglobal: &Value) -> Visibility { diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 28d2100f478..d5025bb405c 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -26,7 +26,7 @@ static INIT: Once = Once::new(); pub(crate) fn init(sess: &Session) { unsafe { // Before we touch LLVM, make sure that multithreading is enabled. - if llvm::LLVMIsMultithreaded() != 1 { + if !llvm::LLVMIsMultithreaded().is_true() { bug!("LLVM compiled without support for threads"); } INIT.call_once(|| { @@ -277,6 +277,7 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea { None } + ("loongarch32" | "loongarch64", "32s") if get_version().0 < 21 => None, // Filter out features that are not supported by the current LLVM version ("riscv32" | "riscv64", "zacas") if get_version().0 < 20 => None, ( diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 5075befae8a..52eefe2d4d2 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -133,7 +133,7 @@ impl CodegenCx<'_, '_> { // Thread-local variables generally don't support copy relocations. let is_thread_local_var = llvm::LLVMIsAGlobalVariable(llval) - .is_some_and(|v| llvm::LLVMIsThreadLocal(v) == llvm::True); + .is_some_and(|v| llvm::LLVMIsThreadLocal(v).is_true()); if is_thread_local_var { return false; } diff --git a/compiler/rustc_codegen_llvm/src/type_.rs b/compiler/rustc_codegen_llvm/src/type_.rs index f02d16baf94..9ecaf5f24fe 100644 --- a/compiler/rustc_codegen_llvm/src/type_.rs +++ b/compiler/rustc_codegen_llvm/src/type_.rs @@ -15,7 +15,7 @@ use rustc_target::callconv::{CastTarget, FnAbi}; use crate::abi::{FnAbiLlvmExt, LlvmType}; use crate::context::{CodegenCx, GenericCx, SCx}; pub(crate) use crate::llvm::Type; -use crate::llvm::{Bool, False, Metadata, True}; +use crate::llvm::{FALSE, Metadata, TRUE, ToLlvmBool}; use crate::type_of::LayoutLlvmExt; use crate::value::Value; use crate::{common, llvm}; @@ -53,7 +53,9 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> { } pub(crate) fn set_struct_body(&self, ty: &'ll Type, els: &[&'ll Type], packed: bool) { - unsafe { llvm::LLVMStructSetBody(ty, els.as_ptr(), els.len() as c_uint, packed as Bool) } + unsafe { + llvm::LLVMStructSetBody(ty, els.as_ptr(), els.len() as c_uint, packed.to_llvm_bool()) + } } pub(crate) fn type_void(&self) -> &'ll Type { unsafe { llvm::LLVMVoidTypeInContext(self.llcx()) } @@ -139,7 +141,7 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> { } pub(crate) fn type_variadic_func(&self, args: &[&'ll Type], ret: &'ll Type) -> &'ll Type { - unsafe { llvm::LLVMFunctionType(ret, args.as_ptr(), args.len() as c_uint, True) } + unsafe { llvm::LLVMFunctionType(ret, args.as_ptr(), args.len() as c_uint, TRUE) } } pub(crate) fn type_i1(&self) -> &'ll Type { @@ -152,7 +154,7 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> { self.llcx(), els.as_ptr(), els.len() as c_uint, - packed as Bool, + packed.to_llvm_bool(), ) } } @@ -200,7 +202,7 @@ impl<'ll, CX: Borrow<SCx<'ll>>> BaseTypeCodegenMethods for GenericCx<'ll, CX> { } fn type_func(&self, args: &[&'ll Type], ret: &'ll Type) -> &'ll Type { - unsafe { llvm::LLVMFunctionType(ret, args.as_ptr(), args.len() as c_uint, False) } + unsafe { llvm::LLVMFunctionType(ret, args.as_ptr(), args.len() as c_uint, FALSE) } } fn type_kind(&self, ty: &'ll Type) -> TypeKind { |