diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
21 files changed, 647 insertions, 438 deletions
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index 31ee0eeca11..685b2f37c9c 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -4,8 +4,7 @@ use std::cmp; use libc::c_uint; use rustc_abi as abi; pub(crate) use rustc_abi::ExternAbi; -use rustc_abi::Primitive::Int; -use rustc_abi::{HasDataLayout, Size}; +use rustc_abi::{HasDataLayout, Primitive, Reg, RegKind, Size}; use rustc_codegen_ssa::MemFlags; use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue}; use rustc_codegen_ssa::mir::place::{PlaceRef, PlaceValue}; @@ -440,7 +439,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { let apply_range_attr = |idx: AttributePlace, scalar: rustc_abi::Scalar| { if cx.sess().opts.optimize != config::OptLevel::No && llvm_util::get_version() >= (19, 0, 0) - && matches!(scalar.primitive(), Int(..)) + && matches!(scalar.primitive(), Primitive::Int(..)) // If the value is a boolean, the range is 0..2 and that ultimately // become 0..0 when the type becomes i1, which would be rejected // by the LLVM verifier. @@ -448,11 +447,11 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { // LLVM also rejects full range. && !scalar.is_always_valid(cx) { - attributes::apply_to_llfn(llfn, idx, &[llvm::CreateRangeAttr( - cx.llcx, - scalar.size(cx), - scalar.valid_range(cx), - )]); + attributes::apply_to_llfn( + llfn, + idx, + &[llvm::CreateRangeAttr(cx.llcx, scalar.size(cx), scalar.valid_range(cx))], + ); } }; @@ -472,10 +471,14 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { ); attributes::apply_to_llfn(llfn, llvm::AttributePlace::Argument(i), &[sret]); if cx.sess().opts.optimize != config::OptLevel::No { - attributes::apply_to_llfn(llfn, llvm::AttributePlace::Argument(i), &[ - llvm::AttributeKind::Writable.create_attr(cx.llcx), - llvm::AttributeKind::DeadOnUnwind.create_attr(cx.llcx), - ]); + attributes::apply_to_llfn( + llfn, + llvm::AttributePlace::Argument(i), + &[ + llvm::AttributeKind::Writable.create_attr(cx.llcx), + llvm::AttributeKind::DeadOnUnwind.create_attr(cx.llcx), + ], + ); } } PassMode::Cast { cast, pad_i32: _ } => { @@ -574,7 +577,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { if bx.cx.sess().opts.optimize != config::OptLevel::No && llvm_util::get_version() < (19, 0, 0) && let abi::BackendRepr::Scalar(scalar) = self.ret.layout.backend_repr - && matches!(scalar.primitive(), Int(..)) + && matches!(scalar.primitive(), Primitive::Int(..)) // If the value is a boolean, the range is 0..2 and that ultimately // become 0..0 when the type becomes i1, which would be rejected // by the LLVM verifier. @@ -593,9 +596,11 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { bx.cx.llcx, bx.cx.type_array(bx.cx.type_i8(), arg.layout.size.bytes()), ); - attributes::apply_to_callsite(callsite, llvm::AttributePlace::Argument(i), &[ - byval, - ]); + attributes::apply_to_callsite( + callsite, + llvm::AttributePlace::Argument(i), + &[byval], + ); } PassMode::Direct(attrs) | PassMode::Indirect { attrs, meta_attrs: None, on_stack: false } => { @@ -627,9 +632,11 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { // This will probably get ignored on all targets but those supporting the TrustZone-M // extension (thumbv8m targets). let cmse_nonsecure_call = llvm::CreateAttrString(bx.cx.llcx, "cmse_nonsecure_call"); - attributes::apply_to_callsite(callsite, llvm::AttributePlace::Function, &[ - cmse_nonsecure_call, - ]); + attributes::apply_to_callsite( + callsite, + llvm::AttributePlace::Function, + &[cmse_nonsecure_call], + ); } // Some intrinsics require that an elementtype attribute (with the pointee type of a diff --git a/compiler/rustc_codegen_llvm/src/base.rs b/compiler/rustc_codegen_llvm/src/base.rs index d05faf5577b..d35c7945bae 100644 --- a/compiler/rustc_codegen_llvm/src/base.rs +++ b/compiler/rustc_codegen_llvm/src/base.rs @@ -157,9 +157,7 @@ pub(crate) fn linkage_to_llvm(linkage: Linkage) -> llvm::Linkage { Linkage::LinkOnceODR => llvm::Linkage::LinkOnceODRLinkage, Linkage::WeakAny => llvm::Linkage::WeakAnyLinkage, Linkage::WeakODR => llvm::Linkage::WeakODRLinkage, - Linkage::Appending => llvm::Linkage::AppendingLinkage, Linkage::Internal => llvm::Linkage::InternalLinkage, - Linkage::Private => llvm::Linkage::PrivateLinkage, Linkage::ExternalWeak => llvm::Linkage::ExternalWeakLinkage, Linkage::Common => llvm::Linkage::CommonLinkage, } diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index d2de62b17f0..264d43c6d46 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -421,6 +421,20 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { unchecked_umul(x, y) => LLVMBuildNUWMul, } + fn or_disjoint(&mut self, a: &'ll Value, b: &'ll Value) -> &'ll Value { + unsafe { + let or = llvm::LLVMBuildOr(self.llbuilder, a, b, UNNAMED); + + // If a and b are both values, then `or` is a value, rather than + // 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); + } + or + } + } + set_math_builder_methods! { fadd_fast(x, y) => (LLVMBuildFAdd, LLVMRustSetFastMath), fsub_fast(x, y) => (LLVMBuildFSub, LLVMRustSetFastMath), @@ -1325,7 +1339,9 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { impl<'ll> StaticBuilderMethods for Builder<'_, 'll, '_> { fn get_static(&mut self, def_id: DefId) -> &'ll Value { // Forward to the `get_static` method of `CodegenCx` - self.cx().get_static(def_id) + let s = self.cx().get_static(def_id); + // Cast to default address space if globals are in a different addrspace + self.cx().const_pointercast(s, self.type_ptr()) } } diff --git a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs index 6b17b5f6989..dd5e726160d 100644 --- a/compiler/rustc_codegen_llvm/src/builder/autodiff.rs +++ b/compiler/rustc_codegen_llvm/src/builder/autodiff.rs @@ -62,8 +62,8 @@ fn generate_enzyme_call<'ll>( // add outer_fn name to ad_name to make it unique, in case users apply autodiff to multiple // functions. Unwrap will only panic, if LLVM gave us an invalid string. let name = llvm::get_value_name(outer_fn); - let outer_fn_name = std::ffi::CStr::from_bytes_with_nul(name).unwrap().to_str().unwrap(); - ad_name.push_str(outer_fn_name.to_string().as_str()); + let outer_fn_name = std::str::from_utf8(name).unwrap(); + ad_name.push_str(outer_fn_name); // Let us assume the user wrote the following function square: // @@ -255,14 +255,14 @@ fn generate_enzyme_call<'ll>( // have no debug info to copy, which would then be ok. trace!("no dbg info"); } + // Now that we copied the metadata, get rid of dummy code. - llvm::LLVMRustEraseInstBefore(entry, last_inst); - llvm::LLVMRustEraseInstFromParent(last_inst); + llvm::LLVMRustEraseInstUntilInclusive(entry, last_inst); - if cx.val_ty(outer_fn) != cx.type_void() { - builder.ret(call); - } else { + if cx.val_ty(call) == cx.type_void() { builder.ret_void(); + } else { + builder.ret(call); } // Let's crash in case that we messed something up above and generated invalid IR. @@ -291,20 +291,26 @@ pub(crate) fn differentiate<'ll>( let name = item.source.clone(); let fn_def: Option<&llvm::Value> = cx.get_function(&name); let Some(fn_def) = fn_def else { - return Err(llvm_err(diag_handler.handle(), LlvmError::PrepareAutoDiff { - src: item.source.clone(), - target: item.target.clone(), - error: "could not find source function".to_owned(), - })); + return Err(llvm_err( + diag_handler.handle(), + LlvmError::PrepareAutoDiff { + src: item.source.clone(), + target: item.target.clone(), + error: "could not find source function".to_owned(), + }, + )); }; debug!(?item.target); let fn_target: Option<&llvm::Value> = cx.get_function(&item.target); let Some(fn_target) = fn_target else { - return Err(llvm_err(diag_handler.handle(), LlvmError::PrepareAutoDiff { - src: item.source.clone(), - target: item.target.clone(), - error: "could not find target function".to_owned(), - })); + return Err(llvm_err( + diag_handler.handle(), + LlvmError::PrepareAutoDiff { + src: item.source.clone(), + target: item.target.clone(), + error: "could not find target function".to_owned(), + }, + )); }; generate_enzyme_call(&cx, fn_def, fn_target, item.attrs.clone()); diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index b4e9b9f44f4..8c94a46ebf3 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -225,6 +225,8 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { llvm::LLVMSetUnnamedAddress(g, llvm::UnnamedAddr::Global); } llvm::set_linkage(g, llvm::Linkage::InternalLinkage); + // Cast to default address space if globals are in a different addrspace + let g = self.const_pointercast(g, self.type_ptr()); (s.to_owned(), g) }) .1; @@ -289,7 +291,7 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let alloc = alloc.inner(); let value = match alloc.mutability { Mutability::Mut => self.static_addr_of_mut(init, alloc.align, None), - _ => self.static_addr_of(init, alloc.align, None), + _ => self.static_addr_of_impl(init, alloc.align, None), }; if !self.sess().fewer_names() && llvm::get_value_name(value).is_empty() { @@ -312,10 +314,15 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { GlobalAlloc::VTable(ty, dyn_ty) => { let alloc = self .tcx - .global_alloc(self.tcx.vtable_allocation((ty, dyn_ty.principal()))) + .global_alloc(self.tcx.vtable_allocation(( + ty, + dyn_ty.principal().map(|principal| { + self.tcx.instantiate_bound_regions_with_erased(principal) + }), + ))) .unwrap_memory(); let init = const_alloc_to_llvm(self, alloc, /*static*/ false); - let value = self.static_addr_of(init, alloc.inner().align, None); + let value = self.static_addr_of_impl(init, alloc.inner().align, None); (value, AddressSpace::DATA) } GlobalAlloc::Static(def_id) => { @@ -327,7 +334,8 @@ impl<'ll, 'tcx> ConstCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { let llval = unsafe { llvm::LLVMConstInBoundsGEP2( self.type_i8(), - self.const_bitcast(base_addr, self.type_ptr_ext(base_addr_space)), + // Cast to the required address space if necessary + self.const_pointercast(base_addr, self.type_ptr_ext(base_addr_space)), &self.const_usize(offset.bytes()), 1, ) diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index c7114480d8b..c6855dd42e5 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -210,6 +210,14 @@ impl<'ll> CodegenCx<'ll, '_> { unsafe { llvm::LLVMConstBitCast(val, ty) } } + pub(crate) fn const_pointercast(&self, val: &'ll Value, ty: &'ll Type) -> &'ll Value { + unsafe { llvm::LLVMConstPointerCast(val, ty) } + } + + /// Create a global variable. + /// + /// The returned global variable is a pointer in the default address space for globals. + /// Fails if a symbol with the given name already exists. pub(crate) fn static_addr_of_mut( &self, cv: &'ll Value, @@ -233,6 +241,34 @@ impl<'ll> CodegenCx<'ll, '_> { gv } + /// Create a global constant. + /// + /// The returned global variable is a pointer in the default address space for globals. + pub(crate) fn static_addr_of_impl( + &self, + cv: &'ll Value, + align: Align, + kind: Option<&str>, + ) -> &'ll Value { + if let Some(&gv) = self.const_globals.borrow().get(&cv) { + unsafe { + // Upgrade the alignment in cases where the same constant is used with different + // alignment requirements + let llalign = align.bytes() as u32; + if llalign > llvm::LLVMGetAlignment(gv) { + llvm::LLVMSetAlignment(gv, llalign); + } + } + return gv; + } + let gv = self.static_addr_of_mut(cv, align, kind); + unsafe { + llvm::LLVMSetGlobalConstant(gv, True); + } + self.const_globals.borrow_mut().insert(cv, gv); + gv + } + #[instrument(level = "debug", skip(self))] pub(crate) fn get_static(&self, def_id: DefId) -> &'ll Value { let instance = Instance::mono(self.tcx, def_id); @@ -384,8 +420,14 @@ impl<'ll> CodegenCx<'ll, '_> { let g = if val_llty == llty { g } else { - // If we created the global with the wrong type, - // correct the type. + // codegen_static_initializer creates the global value just from the + // `Allocation` data by generating one big struct value that is just + // all the bytes and pointers after each other. This will almost never + // match the type that the static was declared with. Unfortunately + // we can't just LLVMConstBitCast our way out of it because that has very + // specific rules on what can be cast. So instead of adding a new way to + // generate static initializers that match the static's type, we picked + // the easier option and retroactively change the type of the static item itself. let name = llvm::get_value_name(g).to_vec(); llvm::set_value_name(g, b""); @@ -505,24 +547,15 @@ impl<'ll> CodegenCx<'ll, '_> { } impl<'ll> StaticCodegenMethods for CodegenCx<'ll, '_> { + /// Get a pointer to a global variable. + /// + /// The pointer will always be in the default address space. If global variables default to a + /// different address space, an addrspacecast is inserted. fn static_addr_of(&self, cv: &'ll Value, align: Align, kind: Option<&str>) -> &'ll Value { - if let Some(&gv) = self.const_globals.borrow().get(&cv) { - unsafe { - // Upgrade the alignment in cases where the same constant is used with different - // alignment requirements - let llalign = align.bytes() as u32; - if llalign > llvm::LLVMGetAlignment(gv) { - llvm::LLVMSetAlignment(gv, llalign); - } - } - return gv; - } - let gv = self.static_addr_of_mut(cv, align, kind); - unsafe { - llvm::LLVMSetGlobalConstant(gv, True); - } - self.const_globals.borrow_mut().insert(cv, gv); - gv + let gv = self.static_addr_of_impl(cv, align, kind); + // static_addr_of_impl returns the bare global variable, which might not be in the default + // address space. Cast to the default address space if necessary. + self.const_pointercast(gv, self.type_ptr()) } fn codegen_static(&self, def_id: DefId) { diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 79381f35a3c..ba4fd75fb94 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -77,8 +77,7 @@ pub(crate) struct CodegenCx<'ll, 'tcx> { /// Cache instances of monomorphic and polymorphic items pub instances: RefCell<FxHashMap<Instance<'tcx>, &'ll Value>>, /// Cache generated vtables - pub vtables: - RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), &'ll Value>>, + pub vtables: RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), &'ll Value>>, /// Cache of constant strings, pub const_str_cache: RefCell<FxHashMap<String, &'ll Value>>, @@ -663,15 +662,14 @@ impl<'ll> SimpleCx<'ll> { impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { fn vtables( &self, - ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), &'ll Value>> - { + ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::ExistentialTraitRef<'tcx>>), &'ll Value>> { &self.vtables } fn apply_vcall_visibility_metadata( &self, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { apply_vcall_visibility_metadata(self, ty, poly_trait_ref, vtable); diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs index fd22421c7fc..9a2473d6cf2 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs @@ -298,7 +298,7 @@ struct UsageSets<'tcx> { /// Prepare sets of definitions that are relevant to deciding whether something /// is an "unused function" for coverage purposes. fn prepare_usage_sets<'tcx>(tcx: TyCtxt<'tcx>) -> UsageSets<'tcx> { - let MonoItemPartitions { all_mono_items, codegen_units } = + let MonoItemPartitions { all_mono_items, codegen_units, .. } = tcx.collect_and_partition_mono_items(()); // Obtain a MIR body for each function participating in codegen, via an diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs index 11eb9651af6..f52991b3697 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/create_scope_map.rs @@ -127,7 +127,7 @@ fn make_mir_scope<'ll, 'tcx>( }) } None => unsafe { - llvm::LLVMRustDIBuilderCreateLexicalBlock( + llvm::LLVMDIBuilderCreateLexicalBlock( DIB(cx), parent_scope.dbg_scope, file_metadata, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 2a1a12f3ce5..59c3fe635d0 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -13,7 +13,7 @@ use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_middle::bug; use rustc_middle::ty::layout::{HasTypingEnv, LayoutOf, TyAndLayout}; use rustc_middle::ty::{ - self, AdtKind, CoroutineArgsExt, Instance, PolyExistentialTraitRef, Ty, TyCtxt, Visibility, + self, AdtKind, CoroutineArgsExt, ExistentialTraitRef, Instance, Ty, TyCtxt, Visibility, }; use rustc_session::config::{self, DebugInfo, Lto}; use rustc_span::{DUMMY_SP, FileName, FileNameDisplayPreference, SourceFile, Symbol, hygiene}; @@ -319,19 +319,16 @@ fn build_subroutine_type_di_node<'ll, 'tcx>( // This is actually a function pointer, so wrap it in pointer DI. let name = compute_debuginfo_type_name(cx.tcx, fn_ty, false); let (size, align) = match fn_ty.kind() { - ty::FnDef(..) => (0, 1), - ty::FnPtr(..) => ( - cx.tcx.data_layout.pointer_size.bits(), - cx.tcx.data_layout.pointer_align.abi.bits() as u32, - ), + ty::FnDef(..) => (Size::ZERO, Align::ONE), + ty::FnPtr(..) => (cx.tcx.data_layout.pointer_size, cx.tcx.data_layout.pointer_align.abi), _ => unreachable!(), }; let di_node = unsafe { llvm::LLVMRustDIBuilderCreatePointerType( DIB(cx), fn_di_node, - size, - align, + size.bits(), + align.bits() as u32, 0, // Ignore DWARF address space. name.as_c_char_ptr(), name.len(), @@ -931,7 +928,7 @@ pub(crate) fn build_compile_unit_di_node<'ll, 'tcx>( unsafe { let compile_unit_file = llvm::LLVMRustDIBuilderCreateFile( - debug_context.builder, + debug_context.builder.as_ref(), name_in_debuginfo.as_c_char_ptr(), name_in_debuginfo.len(), work_dir.as_c_char_ptr(), @@ -944,7 +941,7 @@ pub(crate) fn build_compile_unit_di_node<'ll, 'tcx>( ); let unit_metadata = llvm::LLVMRustDIBuilderCreateCompileUnit( - debug_context.builder, + debug_context.builder.as_ref(), dwarf_const::DW_LANG_Rust, compile_unit_file, producer.as_c_char_ptr(), @@ -1399,7 +1396,7 @@ pub(crate) fn build_global_var_di_node<'ll>( fn build_vtable_type_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, ) -> &'ll DIType { let tcx = cx.tcx; @@ -1487,10 +1484,30 @@ fn build_vtable_type_di_node<'ll, 'tcx>( .di_node } +/// Get the global variable for the vtable. +/// +/// When using global variables, we may have created an addrspacecast to get a pointer to the +/// default address space if global variables are created in a different address space. +/// For modifying the vtable, we need the real global variable. This function accepts either a +/// global variable (which is simply returned), or an addrspacecast constant expression. +/// If the given value is an addrspacecast, the cast is removed and the global variable behind +/// the cast is returned. +fn find_vtable_behind_cast<'ll>(vtable: &'ll Value) -> &'ll Value { + // The vtable is a global variable, which may be behind an addrspacecast. + unsafe { + if let Some(c) = llvm::LLVMIsAConstantExpr(vtable) { + if llvm::LLVMGetConstOpcode(c) == llvm::Opcode::AddrSpaceCast { + return llvm::LLVMGetOperand(c, 0).unwrap(); + } + } + } + vtable +} + pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - trait_ref: Option<PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { // FIXME(flip1995): The virtual function elimination optimization only works with full LTO in @@ -1507,9 +1524,11 @@ pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( let Some(trait_ref) = trait_ref else { return }; + // Unwrap potential addrspacecast + let vtable = find_vtable_behind_cast(vtable); let trait_ref_self = trait_ref.with_self_ty(cx.tcx, ty); let trait_ref_self = cx.tcx.erase_regions(trait_ref_self); - let trait_def_id = trait_ref_self.def_id(); + let trait_def_id = trait_ref_self.def_id; let trait_vis = cx.tcx.visibility(trait_def_id); let cgus = cx.sess().codegen_units().as_usize(); @@ -1568,7 +1587,7 @@ pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>( pub(crate) fn create_vtable_di_node<'ll, 'tcx>( cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>, - poly_trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + poly_trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: &'ll Value, ) { if cx.dbg_cx.is_none() { @@ -1580,6 +1599,9 @@ pub(crate) fn create_vtable_di_node<'ll, 'tcx>( return; } + // Unwrap potential addrspacecast + let vtable = find_vtable_behind_cast(vtable); + // When full debuginfo is enabled, we want to try and prevent vtables from being // merged. Otherwise debuggers will have a hard time mapping from dyn pointer // to concrete type. @@ -1616,7 +1638,14 @@ pub(crate) fn extend_scope_to_file<'ll>( file: &SourceFile, ) -> &'ll DILexicalBlock { let file_metadata = file_metadata(cx, file); - unsafe { llvm::LLVMRustDIBuilderCreateLexicalBlockFile(DIB(cx), scope_metadata, file_metadata) } + unsafe { + llvm::LLVMDIBuilderCreateLexicalBlockFile( + DIB(cx), + scope_metadata, + file_metadata, + /* Discriminator (default) */ 0u32, + ) + } } fn tuple_field_name(field_index: usize) -> Cow<'static, str> { 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 a37e719d43f..af1d503ad6a 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs @@ -6,7 +6,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_macros::HashStable; use rustc_middle::bug; -use rustc_middle::ty::{self, PolyExistentialTraitRef, Ty, TyCtxt}; +use rustc_middle::ty::{self, ExistentialTraitRef, Ty, TyCtxt}; use super::{DefinitionLocation, SmallVec, UNKNOWN_LINE_NUMBER, unknown_file_metadata}; use crate::common::{AsCCharPtr, CodegenCx}; @@ -44,7 +44,7 @@ pub(super) enum UniqueTypeId<'tcx> { /// The ID for the additional wrapper struct type describing an enum variant in CPP-like mode. VariantStructTypeCppLikeWrapper(Ty<'tcx>, VariantIdx, private::HiddenZst), /// The ID of the artificial type we create for VTables. - VTableTy(Ty<'tcx>, Option<PolyExistentialTraitRef<'tcx>>, private::HiddenZst), + VTableTy(Ty<'tcx>, Option<ExistentialTraitRef<'tcx>>, private::HiddenZst), } impl<'tcx> UniqueTypeId<'tcx> { @@ -88,7 +88,7 @@ impl<'tcx> UniqueTypeId<'tcx> { pub(crate) fn for_vtable_ty( tcx: TyCtxt<'tcx>, self_type: Ty<'tcx>, - implemented_trait: Option<PolyExistentialTraitRef<'tcx>>, + implemented_trait: Option<ExistentialTraitRef<'tcx>>, ) -> Self { assert_eq!( self_type, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 5089560784a..17f2d5f4e73 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -2,6 +2,7 @@ use std::cell::{OnceCell, RefCell}; use std::ops::Range; +use std::sync::Arc; use std::{iter, ptr}; use libc::c_uint; @@ -10,7 +11,6 @@ use rustc_codegen_ssa::debuginfo::type_names; use rustc_codegen_ssa::mir::debuginfo::VariableKind::*; use rustc_codegen_ssa::mir::debuginfo::{DebugScope, FunctionDebugContext, VariableKind}; use rustc_codegen_ssa::traits::*; -use rustc_data_structures::sync::Lrc; use rustc_data_structures::unord::UnordMap; use rustc_hir::def_id::{DefId, DefIdMap}; use rustc_index::IndexVec; @@ -34,7 +34,7 @@ use crate::builder::Builder; use crate::common::{AsCCharPtr, CodegenCx}; use crate::llvm; use crate::llvm::debuginfo::{ - DIArray, DIBuilder, DIFile, DIFlags, DILexicalBlock, DILocation, DISPFlags, DIScope, DIType, + DIArray, DIBuilderBox, DIFile, DIFlags, DILexicalBlock, DILocation, DISPFlags, DIScope, DIType, DIVariable, }; use crate::value::Value; @@ -61,7 +61,7 @@ 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, - builder: &'ll mut DIBuilder<'ll>, + builder: DIBuilderBox<'ll>, created_files: RefCell<UnordMap<Option<(StableSourceFileId, SourceFileHash)>, &'ll DIFile>>, type_map: metadata::TypeMap<'ll, 'tcx>, @@ -69,18 +69,10 @@ pub(crate) struct CodegenUnitDebugContext<'ll, 'tcx> { recursion_marker_type: OnceCell<&'ll DIType>, } -impl Drop for CodegenUnitDebugContext<'_, '_> { - fn drop(&mut self) { - unsafe { - llvm::LLVMRustDIBuilderDispose(&mut *(self.builder as *mut _)); - } - } -} - impl<'ll, 'tcx> CodegenUnitDebugContext<'ll, 'tcx> { pub(crate) fn new(llmod: &'ll llvm::Module) -> Self { debug!("CodegenUnitDebugContext::new"); - let builder = unsafe { llvm::LLVMRustDIBuilderCreate(llmod) }; + let builder = DIBuilderBox::new(llmod); // DIBuilder inherits context from the module, so we'd better use the same one CodegenUnitDebugContext { llmod, @@ -93,7 +85,7 @@ impl<'ll, 'tcx> CodegenUnitDebugContext<'ll, 'tcx> { } pub(crate) fn finalize(&self, sess: &Session) { - unsafe { llvm::LLVMRustDIBuilderFinalize(self.builder) }; + unsafe { llvm::LLVMDIBuilderFinalize(self.builder.as_ref()) }; match sess.target.debuginfo_kind { DebuginfoKind::Dwarf | DebuginfoKind::DwarfDsym => { @@ -105,7 +97,11 @@ impl<'ll, 'tcx> CodegenUnitDebugContext<'ll, 'tcx> { // Android has the same issue (#22398) llvm::add_module_flag_u32( self.llmod, - llvm::ModuleFlagMergeBehavior::Warning, + // In the case where multiple CGUs with different dwarf version + // values are being merged together, such as with cross-crate + // LTO, then we want to use the highest version of dwarf + // we can. This matches Clang's behavior as well. + llvm::ModuleFlagMergeBehavior::Max, "Dwarf Version", sess.dwarf_version(), ); @@ -248,7 +244,7 @@ impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> { // `lookup_char_pos` return the right information instead. struct DebugLoc { /// Information about the original source file. - file: Lrc<SourceFile>, + file: Arc<SourceFile>, /// The (1-based) line number. line: u32, /// The (1-based) column number. @@ -552,14 +548,17 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { } } - let scope = namespace::item_namespace(cx, DefId { - krate: instance.def_id().krate, - index: cx - .tcx - .def_key(instance.def_id()) - .parent - .expect("get_containing_scope: missing parent?"), - }); + let scope = namespace::item_namespace( + cx, + DefId { + krate: instance.def_id().krate, + index: cx + .tcx + .def_key(instance.def_id()) + .parent + .expect("get_containing_scope: missing parent?"), + }, + ); (scope, false) } } @@ -582,13 +581,13 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { (line, col) }; - unsafe { llvm::LLVMRustDIBuilderCreateDebugLocation(line, col, scope, inlined_at) } + unsafe { llvm::LLVMDIBuilderCreateDebugLocation(self.llcx, line, col, scope, inlined_at) } } fn create_vtable_debuginfo( &self, ty: Ty<'tcx>, - trait_ref: Option<ty::PolyExistentialTraitRef<'tcx>>, + trait_ref: Option<ty::ExistentialTraitRef<'tcx>>, vtable: Self::Value, ) { metadata::create_vtable_di_node(self, ty, trait_ref, vtable) @@ -641,7 +640,7 @@ impl<'ll, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { true, DIFlags::FlagZero, argument_index, - align.bytes() as u32, + align.bits() as u32, ) } } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs index 33d9bc23890..b4d639368b0 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/namespace.rs @@ -5,7 +5,7 @@ use rustc_hir::def_id::DefId; use rustc_middle::ty::{self, Instance}; use super::utils::{DIB, debug_context}; -use crate::common::{AsCCharPtr, CodegenCx}; +use crate::common::CodegenCx; use crate::llvm; use crate::llvm::debuginfo::DIScope; @@ -33,12 +33,12 @@ pub(crate) fn item_namespace<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'l }; let scope = unsafe { - llvm::LLVMRustDIBuilderCreateNameSpace( + llvm::LLVMDIBuilderCreateNameSpace( DIB(cx), parent_scope, - namespace_name_string.as_c_char_ptr(), + namespace_name_string.as_ptr(), namespace_name_string.len(), - 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/debuginfo/utils.rs b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs index 6e841293477..cc1d504b430 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs @@ -41,7 +41,7 @@ pub(crate) fn debug_context<'a, 'll, 'tcx>( #[inline] #[allow(non_snake_case)] pub(crate) fn DIB<'a, 'll>(cx: &'a CodegenCx<'ll, '_>) -> &'a DIBuilder<'ll> { - cx.dbg_cx.as_ref().unwrap().builder + cx.dbg_cx.as_ref().unwrap().builder.as_ref() } pub(crate) fn get_namespace_for_item<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId) -> &'ll DIScope { diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index eab4a9f30c9..3200c94d977 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -333,12 +333,15 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { sym::prefetch_write_instruction => (1, 0), _ => bug!(), }; - self.call_intrinsic("llvm.prefetch", &[ - args[0].immediate(), - self.const_i32(rw), - args[1].immediate(), - self.const_i32(cache_type), - ]) + self.call_intrinsic( + "llvm.prefetch", + &[ + args[0].immediate(), + self.const_i32(rw), + args[1].immediate(), + self.const_i32(cache_type), + ], + ) } sym::carrying_mul_add => { let (size, signed) = fn_args.type_at(0).int_size_and_signed(self.tcx); @@ -396,10 +399,10 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { match name { sym::ctlz | sym::cttz => { let y = self.const_bool(false); - let ret = self.call_intrinsic(&format!("llvm.{name}.i{width}"), &[ - args[0].immediate(), - y, - ]); + let ret = self.call_intrinsic( + &format!("llvm.{name}.i{width}"), + &[args[0].immediate(), y], + ); self.intcast(ret, llret_ty, false) } @@ -416,24 +419,26 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { self.intcast(ret, llret_ty, false) } sym::ctpop => { - let ret = self.call_intrinsic(&format!("llvm.ctpop.i{width}"), &[ - args[0].immediate() - ]); + let ret = self.call_intrinsic( + &format!("llvm.ctpop.i{width}"), + &[args[0].immediate()], + ); self.intcast(ret, llret_ty, false) } sym::bswap => { if width == 8 { args[0].immediate() // byte swap a u8/i8 is just a no-op } else { - self.call_intrinsic(&format!("llvm.bswap.i{width}"), &[ - args[0].immediate() - ]) + self.call_intrinsic( + &format!("llvm.bswap.i{width}"), + &[args[0].immediate()], + ) } } - sym::bitreverse => self - .call_intrinsic(&format!("llvm.bitreverse.i{width}"), &[ - args[0].immediate() - ]), + sym::bitreverse => self.call_intrinsic( + &format!("llvm.bitreverse.i{width}"), + &[args[0].immediate()], + ), sym::rotate_left | sym::rotate_right => { let is_left = name == sym::rotate_left; let val = args[0].immediate(); @@ -500,11 +505,10 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { sym::compare_bytes => { // Here we assume that the `memcmp` provided by the target is a NOP for size 0. - let cmp = self.call_intrinsic("memcmp", &[ - args[0].immediate(), - args[1].immediate(), - args[2].immediate(), - ]); + let cmp = self.call_intrinsic( + "memcmp", + &[args[0].immediate(), args[1].immediate(), args[2].immediate()], + ); // Some targets have `memcmp` returning `i16`, but the intrinsic is always `i32`. self.sext(cmp, self.type_ix(32)) } @@ -1305,14 +1309,17 @@ fn generic_simd_intrinsic<'ll, 'tcx>( if let Some(cmp_op) = comparison { let (out_len, out_ty) = require_simd!(ret_ty, SimdReturn); - require!(in_len == out_len, InvalidMonomorphization::ReturnLengthInputType { - span, - name, - in_len, - in_ty, - ret_ty, - out_len - }); + require!( + in_len == out_len, + InvalidMonomorphization::ReturnLengthInputType { + span, + name, + in_len, + in_ty, + ret_ty, + out_len + } + ); require!( bx.type_kind(bx.element_type(llret_ty)) == TypeKind::Integer, InvalidMonomorphization::ReturnIntegerType { span, name, ret_ty, out_ty } @@ -1329,25 +1336,18 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } if name == sym::simd_shuffle_generic { - let idx = fn_args[2].expect_const().try_to_valtree().unwrap().0.unwrap_branch(); + let idx = fn_args[2].expect_const().to_value().valtree.unwrap_branch(); let n = idx.len() as u64; let (out_len, out_ty) = require_simd!(ret_ty, SimdReturn); - require!(out_len == n, InvalidMonomorphization::ReturnLength { - span, - name, - in_len: n, - ret_ty, - out_len - }); - require!(in_elem == out_ty, InvalidMonomorphization::ReturnElement { - span, - name, - in_elem, - in_ty, - ret_ty, - out_ty - }); + require!( + out_len == n, + InvalidMonomorphization::ReturnLength { span, name, in_len: n, ret_ty, out_len } + ); + require!( + in_elem == out_ty, + InvalidMonomorphization::ReturnElement { span, name, in_elem, in_ty, ret_ty, out_ty } + ); let total_len = in_len * 2; @@ -1392,21 +1392,14 @@ fn generic_simd_intrinsic<'ll, 'tcx>( }; let (out_len, out_ty) = require_simd!(ret_ty, SimdReturn); - require!(out_len == n, InvalidMonomorphization::ReturnLength { - span, - name, - in_len: n, - ret_ty, - out_len - }); - require!(in_elem == out_ty, InvalidMonomorphization::ReturnElement { - span, - name, - in_elem, - in_ty, - ret_ty, - out_ty - }); + require!( + out_len == n, + InvalidMonomorphization::ReturnLength { span, name, in_len: n, ret_ty, out_len } + ); + require!( + in_elem == out_ty, + InvalidMonomorphization::ReturnElement { span, name, in_elem, in_ty, ret_ty, out_ty } + ); let total_len = u128::from(in_len) * 2; @@ -1431,13 +1424,16 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } if name == sym::simd_insert { - require!(in_elem == arg_tys[2], InvalidMonomorphization::InsertedType { - span, - name, - in_elem, - in_ty, - out_ty: arg_tys[2] - }); + require!( + in_elem == arg_tys[2], + InvalidMonomorphization::InsertedType { + span, + name, + in_elem, + in_ty, + out_ty: arg_tys[2] + } + ); let idx = bx .const_to_opt_u128(args[1].immediate(), false) .expect("typeck should have ensure that this is a const"); @@ -1456,13 +1452,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( )); } if name == sym::simd_extract { - require!(ret_ty == in_elem, InvalidMonomorphization::ReturnType { - span, - name, - in_elem, - in_ty, - ret_ty - }); + require!( + ret_ty == in_elem, + InvalidMonomorphization::ReturnType { span, name, in_elem, in_ty, ret_ty } + ); let idx = bx .const_to_opt_u128(args[1].immediate(), false) .expect("typeck should have ensure that this is a const"); @@ -1481,18 +1474,14 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let m_elem_ty = in_elem; let m_len = in_len; let (v_len, _) = require_simd!(arg_tys[1], SimdArgument); - require!(m_len == v_len, InvalidMonomorphization::MismatchedLengths { - span, - name, - m_len, - v_len - }); - let in_elem_bitwidth = - require_int_ty!(m_elem_ty.kind(), InvalidMonomorphization::MaskType { - span, - name, - ty: m_elem_ty - }); + require!( + m_len == v_len, + InvalidMonomorphization::MismatchedLengths { span, name, m_len, v_len } + ); + let in_elem_bitwidth = require_int_ty!( + m_elem_ty.kind(), + InvalidMonomorphization::MaskType { span, name, ty: m_elem_ty } + ); let m_i1s = vector_mask_to_bitmask(bx, args[0].immediate(), in_elem_bitwidth, m_len); return Ok(bx.select(m_i1s, args[1].immediate(), args[2].immediate())); } @@ -1510,13 +1499,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let expected_bytes = in_len.div_ceil(8); // Integer vector <i{in_bitwidth} x in_len>: - let in_elem_bitwidth = - require_int_or_uint_ty!(in_elem.kind(), InvalidMonomorphization::VectorArgument { - span, - name, - in_ty, - in_elem - }); + let in_elem_bitwidth = require_int_or_uint_ty!( + in_elem.kind(), + InvalidMonomorphization::VectorArgument { span, name, in_ty, in_elem } + ); let i1xn = vector_mask_to_bitmask(bx, args[0].immediate(), in_elem_bitwidth, in_len); // Bitcast <i1 x N> to iN: @@ -1698,30 +1684,34 @@ fn generic_simd_intrinsic<'ll, 'tcx>( require_simd!(ret_ty, SimdReturn); // Of the same length: - require!(in_len == out_len, InvalidMonomorphization::SecondArgumentLength { - span, - name, - in_len, - in_ty, - arg_ty: arg_tys[1], - out_len - }); - require!(in_len == out_len2, InvalidMonomorphization::ThirdArgumentLength { - span, - name, - in_len, - in_ty, - arg_ty: arg_tys[2], - out_len: out_len2 - }); + require!( + in_len == out_len, + InvalidMonomorphization::SecondArgumentLength { + span, + name, + in_len, + in_ty, + arg_ty: arg_tys[1], + out_len + } + ); + require!( + in_len == out_len2, + InvalidMonomorphization::ThirdArgumentLength { + span, + name, + in_len, + in_ty, + arg_ty: arg_tys[2], + out_len: out_len2 + } + ); // The return type must match the first argument type - require!(ret_ty == in_ty, InvalidMonomorphization::ExpectedReturnType { - span, - name, - in_ty, - ret_ty - }); + require!( + ret_ty == in_ty, + InvalidMonomorphization::ExpectedReturnType { span, name, in_ty, ret_ty } + ); require!( matches!( @@ -1739,13 +1729,15 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } ); - let mask_elem_bitwidth = - require_int_ty!(element_ty2.kind(), InvalidMonomorphization::ThirdArgElementType { + let mask_elem_bitwidth = require_int_ty!( + element_ty2.kind(), + InvalidMonomorphization::ThirdArgElementType { span, name, expected_element: element_ty2, third_arg: arg_tys[2] - }); + } + ); // Alignment of T, must be a constant integer value: let alignment_ty = bx.type_i32(); @@ -1805,22 +1797,23 @@ fn generic_simd_intrinsic<'ll, 'tcx>( require_simd!(ret_ty, SimdReturn); // Of the same length: - require!(values_len == mask_len, InvalidMonomorphization::ThirdArgumentLength { - span, - name, - in_len: mask_len, - in_ty: mask_ty, - arg_ty: values_ty, - out_len: values_len - }); + require!( + values_len == mask_len, + InvalidMonomorphization::ThirdArgumentLength { + span, + name, + in_len: mask_len, + in_ty: mask_ty, + arg_ty: values_ty, + out_len: values_len + } + ); // The return type must match the last argument type - require!(ret_ty == values_ty, InvalidMonomorphization::ExpectedReturnType { - span, - name, - in_ty: values_ty, - ret_ty - }); + require!( + ret_ty == values_ty, + InvalidMonomorphization::ExpectedReturnType { span, name, in_ty: values_ty, ret_ty } + ); require!( matches!( @@ -1838,13 +1831,15 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } ); - let m_elem_bitwidth = - require_int_ty!(mask_elem.kind(), InvalidMonomorphization::ThirdArgElementType { + let m_elem_bitwidth = require_int_ty!( + mask_elem.kind(), + InvalidMonomorphization::ThirdArgElementType { span, name, expected_element: values_elem, third_arg: mask_ty, - }); + } + ); let mask = vector_mask_to_bitmask(bx, args[0].immediate(), m_elem_bitwidth, mask_len); let mask_ty = bx.type_vector(bx.type_i1(), mask_len); @@ -1896,14 +1891,17 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let (values_len, values_elem) = require_simd!(values_ty, SimdThird); // Of the same length: - require!(values_len == mask_len, InvalidMonomorphization::ThirdArgumentLength { - span, - name, - in_len: mask_len, - in_ty: mask_ty, - arg_ty: values_ty, - out_len: values_len - }); + require!( + values_len == mask_len, + InvalidMonomorphization::ThirdArgumentLength { + span, + name, + in_len: mask_len, + in_ty: mask_ty, + arg_ty: values_ty, + out_len: values_len + } + ); // The second argument must be a mutable pointer type matching the element type require!( @@ -1923,13 +1921,15 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } ); - let m_elem_bitwidth = - require_int_ty!(mask_elem.kind(), InvalidMonomorphization::ThirdArgElementType { + let m_elem_bitwidth = require_int_ty!( + mask_elem.kind(), + InvalidMonomorphization::ThirdArgElementType { span, name, expected_element: values_elem, third_arg: mask_ty, - }); + } + ); let mask = vector_mask_to_bitmask(bx, args[0].immediate(), m_elem_bitwidth, mask_len); let mask_ty = bx.type_vector(bx.type_i1(), mask_len); @@ -1976,22 +1976,28 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let (element_len2, element_ty2) = require_simd!(arg_tys[2], SimdThird); // Of the same length: - require!(in_len == element_len1, InvalidMonomorphization::SecondArgumentLength { - span, - name, - in_len, - in_ty, - arg_ty: arg_tys[1], - out_len: element_len1 - }); - require!(in_len == element_len2, InvalidMonomorphization::ThirdArgumentLength { - span, - name, - in_len, - in_ty, - arg_ty: arg_tys[2], - out_len: element_len2 - }); + require!( + in_len == element_len1, + InvalidMonomorphization::SecondArgumentLength { + span, + name, + in_len, + in_ty, + arg_ty: arg_tys[1], + out_len: element_len1 + } + ); + require!( + in_len == element_len2, + InvalidMonomorphization::ThirdArgumentLength { + span, + name, + in_len, + in_ty, + arg_ty: arg_tys[2], + out_len: element_len2 + } + ); require!( matches!( @@ -2011,13 +2017,15 @@ fn generic_simd_intrinsic<'ll, 'tcx>( ); // The element type of the third argument must be a signed integer type of any width: - let mask_elem_bitwidth = - require_int_ty!(element_ty2.kind(), InvalidMonomorphization::ThirdArgElementType { + let mask_elem_bitwidth = require_int_ty!( + element_ty2.kind(), + InvalidMonomorphization::ThirdArgElementType { span, name, expected_element: element_ty2, third_arg: arg_tys[2] - }); + } + ); // Alignment of T, must be a constant integer value: let alignment_ty = bx.type_i32(); @@ -2058,13 +2066,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( ($name:ident : $integer_reduce:ident, $float_reduce:ident, $ordered:expr, $op:ident, $identity:expr) => { if name == sym::$name { - require!(ret_ty == in_elem, InvalidMonomorphization::ReturnType { - span, - name, - in_elem, - in_ty, - ret_ty - }); + require!( + ret_ty == in_elem, + InvalidMonomorphization::ReturnType { span, name, in_elem, in_ty, ret_ty } + ); return match in_elem.kind() { ty::Int(_) | ty::Uint(_) => { let r = bx.$integer_reduce(args[0].immediate()); @@ -2133,13 +2138,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( macro_rules! minmax_red { ($name:ident: $int_red:ident, $float_red:ident) => { if name == sym::$name { - require!(ret_ty == in_elem, InvalidMonomorphization::ReturnType { - span, - name, - in_elem, - in_ty, - ret_ty - }); + require!( + ret_ty == in_elem, + InvalidMonomorphization::ReturnType { span, name, in_elem, in_ty, ret_ty } + ); return match in_elem.kind() { ty::Int(_i) => Ok(bx.$int_red(args[0].immediate(), true)), ty::Uint(_u) => Ok(bx.$int_red(args[0].immediate(), false)), @@ -2164,13 +2166,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( ($name:ident : $red:ident, $boolean:expr) => { if name == sym::$name { let input = if !$boolean { - require!(ret_ty == in_elem, InvalidMonomorphization::ReturnType { - span, - name, - in_elem, - in_ty, - ret_ty - }); + require!( + ret_ty == in_elem, + InvalidMonomorphization::ReturnType { span, name, in_elem, in_ty, ret_ty } + ); args[0].immediate() } else { let bitwidth = match in_elem.kind() { @@ -2218,25 +2217,27 @@ fn generic_simd_intrinsic<'ll, 'tcx>( if name == sym::simd_cast_ptr { let (out_len, out_elem) = require_simd!(ret_ty, SimdReturn); - require!(in_len == out_len, InvalidMonomorphization::ReturnLengthInputType { - span, - name, - in_len, - in_ty, - ret_ty, - out_len - }); + require!( + in_len == out_len, + InvalidMonomorphization::ReturnLengthInputType { + span, + name, + in_len, + in_ty, + ret_ty, + out_len + } + ); match in_elem.kind() { ty::RawPtr(p_ty, _) => { let metadata = p_ty.ptr_metadata_ty(bx.tcx, |ty| { bx.tcx.normalize_erasing_regions(bx.typing_env(), ty) }); - require!(metadata.is_unit(), InvalidMonomorphization::CastWidePointer { - span, - name, - ty: in_elem - }); + require!( + metadata.is_unit(), + InvalidMonomorphization::CastWidePointer { span, name, ty: in_elem } + ); } _ => { return_error!(InvalidMonomorphization::ExpectedPointer { span, name, ty: in_elem }) @@ -2247,11 +2248,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let metadata = p_ty.ptr_metadata_ty(bx.tcx, |ty| { bx.tcx.normalize_erasing_regions(bx.typing_env(), ty) }); - require!(metadata.is_unit(), InvalidMonomorphization::CastWidePointer { - span, - name, - ty: out_elem - }); + require!( + metadata.is_unit(), + InvalidMonomorphization::CastWidePointer { span, name, ty: out_elem } + ); } _ => { return_error!(InvalidMonomorphization::ExpectedPointer { span, name, ty: out_elem }) @@ -2263,14 +2263,17 @@ fn generic_simd_intrinsic<'ll, 'tcx>( if name == sym::simd_expose_provenance { let (out_len, out_elem) = require_simd!(ret_ty, SimdReturn); - require!(in_len == out_len, InvalidMonomorphization::ReturnLengthInputType { - span, - name, - in_len, - in_ty, - ret_ty, - out_len - }); + require!( + in_len == out_len, + InvalidMonomorphization::ReturnLengthInputType { + span, + name, + in_len, + in_ty, + ret_ty, + out_len + } + ); match in_elem.kind() { ty::RawPtr(_, _) => {} @@ -2288,14 +2291,17 @@ fn generic_simd_intrinsic<'ll, 'tcx>( if name == sym::simd_with_exposed_provenance { let (out_len, out_elem) = require_simd!(ret_ty, SimdReturn); - require!(in_len == out_len, InvalidMonomorphization::ReturnLengthInputType { - span, - name, - in_len, - in_ty, - ret_ty, - out_len - }); + require!( + in_len == out_len, + InvalidMonomorphization::ReturnLengthInputType { + span, + name, + in_len, + in_ty, + ret_ty, + out_len + } + ); match in_elem.kind() { ty::Uint(ty::UintTy::Usize) => {} @@ -2313,14 +2319,17 @@ fn generic_simd_intrinsic<'ll, 'tcx>( if name == sym::simd_cast || name == sym::simd_as { let (out_len, out_elem) = require_simd!(ret_ty, SimdReturn); - require!(in_len == out_len, InvalidMonomorphization::ReturnLengthInputType { - span, - name, - in_len, - in_ty, - ret_ty, - out_len - }); + require!( + in_len == out_len, + InvalidMonomorphization::ReturnLengthInputType { + span, + name, + in_len, + in_ty, + ret_ty, + out_len + } + ); // casting cares about nominal type, not just structural type if in_elem == out_elem { return Ok(args[0].immediate()); diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 4a84fd29e44..14346795fda 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -71,14 +71,9 @@ mod debuginfo; mod declare; mod errors; mod intrinsic; - -// The following is a workaround that replaces `pub mod llvm;` and that fixes issue 53912. -#[path = "llvm/mod.rs"] -mod llvm_; -pub mod llvm { - pub use super::llvm_::*; -} - +// FIXME(Zalathar): Fix all the unreachable-pub warnings that would occur if +// this isn't pub, then make it not pub. +pub mod llvm; mod llvm_util; mod mono_item; mod type_; diff --git a/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs index 729d6f62e24..92b0ce8ffe1 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/enzyme_ffi.rs @@ -4,16 +4,23 @@ use libc::{c_char, c_uint}; use super::ffi::{BasicBlock, Metadata, Module, Type, Value}; use crate::llvm::Bool; + +#[link(name = "llvm-wrapper", kind = "static")] extern "C" { // Enzyme pub fn LLVMRustHasMetadata(I: &Value, KindID: c_uint) -> bool; - pub fn LLVMRustEraseInstBefore(BB: &BasicBlock, I: &Value); + pub fn LLVMRustEraseInstUntilInclusive(BB: &BasicBlock, I: &Value); pub fn LLVMRustGetLastInstruction<'a>(BB: &BasicBlock) -> Option<&'a Value>; pub fn LLVMRustDIGetInstMetadata(I: &Value) -> Option<&Metadata>; pub fn LLVMRustEraseInstFromParent(V: &Value); pub fn LLVMRustGetTerminator<'a>(B: &BasicBlock) -> &'a Value; pub fn LLVMRustVerifyFunction(V: &Value, action: LLVMRustVerifierFailureAction) -> Bool; +} +extern "C" { + // Enzyme + pub fn LLVMDumpModule(M: &Module); + pub fn LLVMDumpValue(V: &Value); pub fn LLVMGetFunctionCallConv(F: &Value) -> c_uint; pub fn LLVMGetReturnType(T: &Type) -> &Type; pub fn LLVMGetParams(Fnc: &Value, parms: *mut &Value); diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 009d15a932f..50a40c9c309 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -1,3 +1,15 @@ +//! Bindings to the LLVM-C API (`LLVM*`), and to our own `extern "C"` wrapper +//! functions around the unstable LLVM C++ API (`LLVMRust*`). +//! +//! ## Passing pointer/length strings as `*const c_uchar` +//! +//! Normally it's a good idea for Rust-side bindings to match the corresponding +//! C-side function declarations as closely as possible. But when passing `&str` +//! or `&[u8]` data as a pointer/length pair, it's more convenient to declare +//! the Rust-side pointer as `*const c_uchar` instead of `*const c_char`. +//! Both pointer types have the same ABI, and using `*const c_uchar` avoids +//! the need for an extra cast from `*const u8` on the Rust side. + #![allow(non_camel_case_types)] #![allow(non_upper_case_globals)] @@ -5,17 +17,18 @@ use std::fmt::Debug; use std::marker::PhantomData; use std::ptr; -use libc::{c_char, c_int, c_uint, c_ulonglong, c_void, size_t}; +use bitflags::bitflags; +use libc::{c_char, c_int, c_uchar, c_uint, c_ulonglong, c_void, size_t}; use rustc_macros::TryFromU32; use rustc_target::spec::SymbolVisibility; use super::RustString; use super::debuginfo::{ DIArray, DIBasicType, DIBuilder, DICompositeType, DIDerivedType, DIDescriptor, DIEnumerator, - DIFile, DIFlags, DIGlobalVariableExpression, DILexicalBlock, DILocation, DINameSpace, - DISPFlags, DIScope, DISubprogram, DISubrange, DITemplateTypeParameter, DIType, DIVariable, - DebugEmissionKind, DebugNameTableKind, + DIFile, DIFlags, DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram, + DISubrange, DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind, }; +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`. @@ -56,19 +69,6 @@ pub enum LLVMRustResult { Failure, } -/// Translation of LLVM's MachineTypes enum, defined in llvm\include\llvm\BinaryFormat\COFF.h. -/// -/// We include only architectures supported on Windows. -#[derive(Copy, Clone, PartialEq)] -#[repr(C)] -pub enum LLVMMachineType { - AMD64 = 0x8664, - I386 = 0x14c, - ARM64 = 0xaa64, - ARM64EC = 0xa641, - ARM = 0x01c0, -} - /// Must match the layout of `LLVMRustModuleFlagMergeBehavior`. /// /// When merging modules (e.g. during LTO), their metadata flags are combined. Conflicts are @@ -632,16 +632,6 @@ pub enum ThreadLocalMode { LocalExec, } -/// LLVMRustTailCallKind -#[derive(Copy, Clone)] -#[repr(C)] -pub enum TailCallKind { - None, - Tail, - MustTail, - NoTail, -} - /// LLVMRustChecksumKind #[derive(Copy, Clone)] #[repr(C)] @@ -661,6 +651,79 @@ pub enum MemoryEffects { InaccessibleMemOnly, } +/// LLVMOpcode +#[derive(Copy, Clone, PartialEq, Eq)] +#[repr(C)] +pub enum Opcode { + Ret = 1, + Br = 2, + Switch = 3, + IndirectBr = 4, + Invoke = 5, + Unreachable = 7, + CallBr = 67, + FNeg = 66, + Add = 8, + FAdd = 9, + Sub = 10, + FSub = 11, + Mul = 12, + FMul = 13, + UDiv = 14, + SDiv = 15, + FDiv = 16, + URem = 17, + SRem = 18, + FRem = 19, + Shl = 20, + LShr = 21, + AShr = 22, + And = 23, + Or = 24, + Xor = 25, + Alloca = 26, + Load = 27, + Store = 28, + GetElementPtr = 29, + Trunc = 30, + ZExt = 31, + SExt = 32, + FPToUI = 33, + FPToSI = 34, + UIToFP = 35, + SIToFP = 36, + FPTrunc = 37, + FPExt = 38, + PtrToInt = 39, + IntToPtr = 40, + BitCast = 41, + AddrSpaceCast = 60, + ICmp = 42, + FCmp = 43, + PHI = 44, + Call = 45, + Select = 46, + UserOp1 = 47, + UserOp2 = 48, + VAArg = 49, + ExtractElement = 50, + InsertElement = 51, + ShuffleVector = 52, + ExtractValue = 53, + InsertValue = 54, + Freeze = 68, + Fence = 55, + AtomicCmpXchg = 56, + AtomicRMW = 57, + Resume = 58, + LandingPad = 59, + CleanupRet = 61, + CatchRet = 62, + CatchPad = 63, + CleanupPad = 64, + CatchSwitch = 65, +} + unsafe extern "C" { type Opaque; } @@ -687,7 +750,6 @@ pub struct Builder<'a>(InvariantOpaque<'a>); #[repr(C)] pub struct PassManager<'a>(InvariantOpaque<'a>); unsafe extern "C" { - pub type Pass; pub type TargetMachine; pub type Archive; } @@ -713,15 +775,52 @@ unsafe extern "C" { } pub type DiagnosticHandlerTy = unsafe extern "C" fn(&DiagnosticInfo, *mut c_void); -pub type InlineAsmDiagHandlerTy = unsafe extern "C" fn(&SMDiagnostic, *const c_void, c_uint); pub mod debuginfo { + use std::ptr; + use bitflags::bitflags; use super::{InvariantOpaque, Metadata}; + use crate::llvm::{self, Module}; + /// Opaque target type for references to an LLVM debuginfo builder. + /// + /// `&'_ DIBuilder<'ll>` corresponds to `LLVMDIBuilderRef`, which is the + /// LLVM-C wrapper for `DIBuilder *`. + /// + /// Debuginfo builders are created and destroyed during codegen, so the + /// builder reference typically has a shorter lifetime than the LLVM + /// session (`'ll`) that it participates in. #[repr(C)] - pub struct DIBuilder<'a>(InvariantOpaque<'a>); + pub struct DIBuilder<'ll>(InvariantOpaque<'ll>); + + /// Owning pointer to a `DIBuilder<'ll>` that will dispose of the builder + /// when dropped. Use `.as_ref()` to get the underlying `&DIBuilder` + /// needed for debuginfo FFI calls. + pub(crate) struct DIBuilderBox<'ll> { + raw: ptr::NonNull<DIBuilder<'ll>>, + } + + impl<'ll> DIBuilderBox<'ll> { + pub(crate) fn new(llmod: &'ll Module) -> Self { + let raw = unsafe { llvm::LLVMCreateDIBuilder(llmod) }; + let raw = ptr::NonNull::new(raw).unwrap(); + Self { raw } + } + + pub(crate) fn as_ref(&self) -> &DIBuilder<'ll> { + // SAFETY: This is an owning pointer, so `&DIBuilder` is valid + // for as long as `&self` is. + unsafe { self.raw.as_ref() } + } + } + + impl<'ll> Drop for DIBuilderBox<'ll> { + fn drop(&mut self) { + unsafe { llvm::LLVMDisposeDIBuilder(self.raw) }; + } + } pub type DIDescriptor = Metadata; pub type DILocation = Metadata; @@ -729,7 +828,6 @@ pub mod debuginfo { pub type DIFile = DIScope; pub type DILexicalBlock = DIScope; pub type DISubprogram = DIScope; - pub type DINameSpace = DIScope; pub type DIType = DIDescriptor; pub type DIBasicType = DIType; pub type DIDerivedType = DIType; @@ -841,7 +939,6 @@ pub mod debuginfo { } } -use bitflags::bitflags; // These values **must** match with LLVMRustAllocKindFlags bitflags! { #[repr(transparent)] @@ -991,7 +1088,10 @@ unsafe extern "C" { pub fn LLVMConstPtrToInt<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMConstIntToPtr<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMConstBitCast<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; + pub fn LLVMConstPointerCast<'a>(ConstantVal: &'a Value, ToType: &'a Type) -> &'a Value; pub fn LLVMGetAggregateElement(ConstantVal: &Value, Idx: c_uint) -> Option<&Value>; + pub fn LLVMGetConstOpcode(ConstantVal: &Value) -> Opcode; + pub fn LLVMIsAConstantExpr(Val: &Value) -> Option<&Value>; // Operations on global variables, functions, and aliases (globals) pub fn LLVMIsDeclaration(Global: &Value) -> Bool; @@ -1048,6 +1148,7 @@ unsafe extern "C" { // Operations on instructions pub fn LLVMIsAInstruction(Val: &Value) -> Option<&Value>; pub fn LLVMGetFirstBasicBlock(Fn: &Value) -> &BasicBlock; + pub fn LLVMGetOperand(Val: &Value, Index: c_uint) -> Option<&Value>; // Operations on call sites pub fn LLVMSetInstructionCallConv(Instr: &Value, CC: c_uint); @@ -1303,6 +1404,9 @@ unsafe extern "C" { pub fn LLVMBuildFNeg<'a>(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value; pub fn LLVMBuildNot<'a>(B: &Builder<'a>, V: &'a Value, Name: *const c_char) -> &'a Value; + // Extra flags on arithmetic + pub fn LLVMSetIsDisjoint(Instr: &Value, IsDisjoint: Bool); + // Memory pub fn LLVMBuildAlloca<'a>(B: &Builder<'a>, Ty: &'a Type, Name: *const c_char) -> &'a Value; pub fn LLVMBuildArrayAlloca<'a>( @@ -1595,6 +1699,50 @@ unsafe extern "C" { ) -> &'a Value; } +// FFI bindings for `DIBuilder` functions in the LLVM-C API. +// Try to keep these in the same order as in `llvm/include/llvm-c/DebugInfo.h`. +// +// FIXME(#134001): Audit all `Option` parameters, especially in lists, to check +// that they really are nullable on the C/C++ side. LLVM doesn't appear to +// actually document which ones are nullable. +unsafe extern "C" { + pub(crate) fn LLVMCreateDIBuilder<'ll>(M: &'ll Module) -> *mut DIBuilder<'ll>; + pub(crate) fn LLVMDisposeDIBuilder<'ll>(Builder: ptr::NonNull<DIBuilder<'ll>>); + + pub(crate) fn LLVMDIBuilderFinalize<'ll>(Builder: &DIBuilder<'ll>); + + pub(crate) fn LLVMDIBuilderCreateNameSpace<'ll>( + Builder: &DIBuilder<'ll>, + ParentScope: Option<&'ll Metadata>, + Name: *const c_uchar, + NameLen: size_t, + ExportSymbols: llvm::Bool, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderCreateLexicalBlock<'ll>( + Builder: &DIBuilder<'ll>, + Scope: &'ll Metadata, + File: &'ll Metadata, + Line: c_uint, + Column: c_uint, + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderCreateLexicalBlockFile<'ll>( + Builder: &DIBuilder<'ll>, + Scope: &'ll Metadata, + File: &'ll Metadata, + Discriminator: c_uint, // (optional "DWARF path discriminator"; default is 0) + ) -> &'ll Metadata; + + pub(crate) fn LLVMDIBuilderCreateDebugLocation<'ll>( + Ctx: &'ll Context, + Line: c_uint, + Column: c_uint, + Scope: &'ll Metadata, + InlinedAt: Option<&'ll Metadata>, + ) -> &'ll Metadata; +} + #[link(name = "llvm-wrapper", kind = "static")] unsafe extern "C" { pub fn LLVMRustInstallErrorHandlers(); @@ -1635,7 +1783,6 @@ unsafe extern "C" { Name: *const c_char, NameLen: size_t, ) -> Option<&Value>; - pub fn LLVMRustSetTailCallKind(CallInst: &Value, TKC: TailCallKind); // Operations on attributes pub fn LLVMRustCreateAttrNoValue(C: &Context, attr: AttributeKind) -> &Attribute; @@ -1862,12 +2009,6 @@ unsafe extern "C" { ValueLen: size_t, ); - pub fn LLVMRustDIBuilderCreate(M: &Module) -> &mut DIBuilder<'_>; - - pub fn LLVMRustDIBuilderDispose<'a>(Builder: &'a mut DIBuilder<'a>); - - pub fn LLVMRustDIBuilderFinalize(Builder: &DIBuilder<'_>); - pub fn LLVMRustDIBuilderCreateCompileUnit<'a>( Builder: &DIBuilder<'a>, Lang: c_uint, @@ -2030,20 +2171,6 @@ unsafe extern "C" { Type: &'a DIType, ) -> &'a DIDerivedType; - pub fn LLVMRustDIBuilderCreateLexicalBlock<'a>( - Builder: &DIBuilder<'a>, - Scope: &'a DIScope, - File: &'a DIFile, - Line: c_uint, - Col: c_uint, - ) -> &'a DILexicalBlock; - - pub fn LLVMRustDIBuilderCreateLexicalBlockFile<'a>( - Builder: &DIBuilder<'a>, - Scope: &'a DIScope, - File: &'a DIFile, - ) -> &'a DILexicalBlock; - pub fn LLVMRustDIBuilderCreateStaticVariable<'a>( Builder: &DIBuilder<'a>, Context: Option<&'a DIScope>, @@ -2168,14 +2295,6 @@ unsafe extern "C" { Ty: &'a DIType, ) -> &'a DITemplateTypeParameter; - pub fn LLVMRustDIBuilderCreateNameSpace<'a>( - Builder: &DIBuilder<'a>, - Scope: Option<&'a DIScope>, - Name: *const c_char, - NameLen: size_t, - ExportSymbols: bool, - ) -> &'a DINameSpace; - pub fn LLVMRustDICompositeTypeReplaceArrays<'a>( Builder: &DIBuilder<'a>, CompositeType: &'a DIType, @@ -2183,12 +2302,6 @@ unsafe extern "C" { Params: Option<&'a DIArray>, ); - pub fn LLVMRustDIBuilderCreateDebugLocation<'a>( - Line: c_uint, - Column: c_uint, - Scope: &'a DIScope, - InlinedAt: Option<&'a DILocation>, - ) -> &'a DILocation; pub fn LLVMRustDILocationCloneWithBaseDiscriminator<'a>( Location: &'a DILocation, BD: c_uint, @@ -2446,8 +2559,6 @@ unsafe extern "C" { pub fn LLVMRustGetElementTypeArgIndex(CallSite: &Value) -> i32; - pub fn LLVMRustIsBitcode(ptr: *const u8, len: usize) -> bool; - pub fn LLVMRustLLVMHasZlibCompressionForDebugSymbols() -> bool; pub fn LLVMRustLLVMHasZstdCompressionForDebugSymbols() -> bool; diff --git a/compiler/rustc_codegen_llvm/src/llvm/mod.rs b/compiler/rustc_codegen_llvm/src/llvm/mod.rs index 2592a7df95c..707aeba22cc 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/mod.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/mod.rs @@ -10,13 +10,9 @@ use libc::c_uint; use rustc_abi::{Align, Size, WrappingRange}; use rustc_llvm::RustString; -pub use self::AtomicRmwBinOp::*; pub use self::CallConv::*; pub use self::CodeGenOptSize::*; -pub use self::IntPredicate::*; -pub use self::Linkage::*; pub use self::MetadataType::*; -pub use self::RealPredicate::*; pub use self::ffi::*; use crate::common::AsCCharPtr; diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 33789c6261f..70edee21bd6 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -71,10 +71,7 @@ impl<'tcx> PreDefineCodegenMethods<'tcx> for CodegenCx<'_, 'tcx> { // compiler-rt, then we want to implicitly compile everything with hidden // visibility as we're going to link this object all over the place but // don't want the symbols to get exported. - if linkage != Linkage::Internal - && linkage != Linkage::Private - && self.tcx.is_compiler_builtins(LOCAL_CRATE) - { + if linkage != Linkage::Internal && self.tcx.is_compiler_builtins(LOCAL_CRATE) { llvm::set_visibility(lldecl, llvm::Visibility::Hidden); } else { llvm::set_visibility(lldecl, base::visibility_to_llvm(visibility)); diff --git a/compiler/rustc_codegen_llvm/src/type_.rs b/compiler/rustc_codegen_llvm/src/type_.rs index c56ad886120..34cede54aaf 100644 --- a/compiler/rustc_codegen_llvm/src/type_.rs +++ b/compiler/rustc_codegen_llvm/src/type_.rs @@ -1,14 +1,14 @@ use std::{fmt, ptr}; use libc::{c_char, c_uint}; -use rustc_abi::{AddressSpace, Align, Integer, Size}; +use rustc_abi::{AddressSpace, Align, Integer, Reg, Size}; use rustc_codegen_ssa::common::TypeKind; use rustc_codegen_ssa::traits::*; use rustc_data_structures::small_c_str::SmallCStr; use rustc_middle::bug; use rustc_middle::ty::layout::TyAndLayout; use rustc_middle::ty::{self, Ty}; -use rustc_target::callconv::{CastTarget, FnAbi, Reg}; +use rustc_target::callconv::{CastTarget, FnAbi}; use crate::abi::{FnAbiLlvmExt, LlvmType}; use crate::context::{CodegenCx, SimpleCx}; |