From b7c5656713158e826189db21eeea051347548e07 Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Thu, 19 Sep 2024 09:39:28 +0800 Subject: [PATCH 1/5] replace some deprecated functions --- compiler/rustc_codegen_gcc/src/builder.rs | 1 + compiler/rustc_codegen_gcc/src/context.rs | 1 + compiler/rustc_codegen_llvm/src/asm.rs | 11 +++- compiler/rustc_codegen_llvm/src/builder.rs | 61 ++++++++----------- compiler/rustc_codegen_llvm/src/common.rs | 3 +- compiler/rustc_codegen_llvm/src/context.rs | 7 +-- .../src/debuginfo/metadata.rs | 12 ++-- compiler/rustc_codegen_llvm/src/intrinsic.rs | 8 ++- compiler/rustc_codegen_llvm/src/llvm/ffi.rs | 10 --- compiler/rustc_codegen_llvm/src/type_.rs | 26 +++----- .../rustc_codegen_ssa/src/traits/backend.rs | 1 + .../rustc_codegen_ssa/src/traits/builder.rs | 1 + .../rustc_codegen_ssa/src/traits/intrinsic.rs | 4 +- .../rustc_codegen_ssa/src/traits/type_.rs | 2 +- 14 files changed, 61 insertions(+), 87 deletions(-) diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index 9282d8699eb..c7a4314d4f1 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -500,6 +500,7 @@ fn deref<'b>(&'b self) -> &'a Self::Target { impl<'gcc, 'tcx> BackendTypes for Builder<'_, 'gcc, 'tcx> { type Value = as BackendTypes>::Value; + type Metadata = as BackendTypes>::Metadata; type Function = as BackendTypes>::Function; type BasicBlock = as BackendTypes>::BasicBlock; type Type = as BackendTypes>::Type; diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs index 8e1a5b61285..4b96c67a38d 100644 --- a/compiler/rustc_codegen_gcc/src/context.rs +++ b/compiler/rustc_codegen_gcc/src/context.rs @@ -414,6 +414,7 @@ pub fn bitcast_if_needed( impl<'gcc, 'tcx> BackendTypes for CodegenCx<'gcc, 'tcx> { type Value = RValue<'gcc>; + type Metadata = RValue<'gcc>; type Function = RValue<'gcc>; type BasicBlock = Block<'gcc>; diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 775266fec97..4afbdbabdc8 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -504,10 +504,15 @@ pub(crate) fn inline_asm_call<'ll>( // due to the asm template string coming from a macro. LLVM will // default to the first srcloc for lines that don't have an // associated srcloc. - srcloc.push(bx.const_i32(0)); + srcloc.push(llvm::LLVMValueAsMetadata(bx.const_i32(0))); } - srcloc.extend(line_spans.iter().map(|span| bx.const_i32(span.lo().to_u32() as i32))); - let md = llvm::LLVMMDNodeInContext(bx.llcx, srcloc.as_ptr(), srcloc.len() as u32); + srcloc.extend( + line_spans + .iter() + .map(|span| llvm::LLVMValueAsMetadata(bx.const_i32(span.lo().to_u32() as i32))), + ); + let md = llvm::LLVMMDNodeInContext2(bx.llcx, srcloc.as_ptr(), srcloc.len()); + let md = llvm::LLVMMetadataAsValue(&bx.llcx, md); llvm::LLVMSetMetadata(call, kind, md); Some(call) diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index c806d0c5499..e4efe83079b 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -56,6 +56,7 @@ fn drop(&mut self) { impl<'ll, 'tcx> BackendTypes for Builder<'_, 'll, 'tcx> { type Value = as BackendTypes>::Value; + type Metadata = as BackendTypes>::Metadata; type Function = as BackendTypes>::Function; type BasicBlock = as BackendTypes>::BasicBlock; type Type = as BackendTypes>::Type; @@ -678,25 +679,21 @@ fn range_metadata(&mut self, load: &'ll Value, range: WrappingRange) { unsafe { let llty = self.cx.val_ty(load); let v = [ - self.cx.const_uint_big(llty, range.start), - self.cx.const_uint_big(llty, range.end.wrapping_add(1)), + llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.start)), + llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.end.wrapping_add(1))), ]; - llvm::LLVMSetMetadata( - load, - llvm::MD_range as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, v.as_ptr(), v.len() as c_uint), - ); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len()); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(load, llvm::MD_range as c_uint, md); } } fn nonnull_metadata(&mut self, load: &'ll Value) { unsafe { - llvm::LLVMSetMetadata( - load, - llvm::MD_nonnull as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, ptr::null(), 0), - ); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(load, llvm::MD_nonnull as c_uint, md); } } @@ -744,8 +741,9 @@ fn store_with_flags( // *always* point to a metadata value of the integer 1. // // [1]: https://llvm.org/docs/LangRef.html#store-instruction - let one = self.cx.const_i32(1); - let node = llvm::LLVMMDNodeInContext(self.cx.llcx, &one, 1); + let one = llvm::LLVMValueAsMetadata(self.cx.const_i32(1)); + let node = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1); + let node = llvm::LLVMMetadataAsValue(&self.llcx, node); llvm::LLVMSetMetadata(store, llvm::MD_nontemporal as c_uint, node); } } @@ -1210,11 +1208,9 @@ fn atomic_fence( fn set_invariant_load(&mut self, load: &'ll Value) { unsafe { - llvm::LLVMSetMetadata( - load, - llvm::MD_invariant_load as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, ptr::null(), 0), - ); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(load, llvm::MD_invariant_load as c_uint, md); } } @@ -1343,33 +1339,26 @@ fn position_at_start(&mut self, llbb: &'ll BasicBlock) { fn align_metadata(&mut self, load: &'ll Value, align: Align) { unsafe { - let v = [self.cx.const_u64(align.bytes())]; - - llvm::LLVMSetMetadata( - load, - llvm::MD_align as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, v.as_ptr(), v.len() as c_uint), - ); + let v = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))]; + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len()); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(load, llvm::MD_align as c_uint, md); } } fn noundef_metadata(&mut self, load: &'ll Value) { unsafe { - llvm::LLVMSetMetadata( - load, - llvm::MD_noundef as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, ptr::null(), 0), - ); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(load, llvm::MD_noundef as c_uint, md); } } pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) { unsafe { - llvm::LLVMSetMetadata( - inst, - llvm::MD_unpredictable as c_uint, - llvm::LLVMMDNodeInContext(self.cx.llcx, ptr::null(), 0), - ); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); + let md = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(inst, llvm::MD_unpredictable as c_uint, md); } } diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index 203c63f0ae7..17e50ed8b95 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -14,7 +14,7 @@ use crate::consts::const_alloc_to_llvm; pub(crate) use crate::context::CodegenCx; -use crate::llvm::{self, BasicBlock, Bool, ConstantInt, False, OperandBundleDef, True}; +use crate::llvm::{self, BasicBlock, Bool, ConstantInt, False, Metadata, OperandBundleDef, True}; use crate::type_::Type; use crate::value::Value; @@ -79,6 +79,7 @@ pub(crate) fn bundle(&self) -> &OperandBundleDef<'ll> { impl<'ll> BackendTypes for CodegenCx<'ll, '_> { type Value = &'ll Value; + type Metadata = &'ll Metadata; // FIXME(eddyb) replace this with a `Function` "subclass" of `Value`. type Function = &'ll Value; diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 03af31d36fb..469f6843f35 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -3,7 +3,6 @@ use std::ffi::CStr; use std::str; -use libc::c_uint; use rustc_codegen_ssa::base::{wants_msvc_seh, wants_wasm_eh}; use rustc_codegen_ssa::errors as ssa_errors; use rustc_codegen_ssa::traits::*; @@ -403,17 +402,17 @@ pub(crate) unsafe fn create_module<'ll>( let rustc_producer = format!("rustc version {}", option_env!("CFG_VERSION").expect("CFG_VERSION")); let name_metadata = unsafe { - llvm::LLVMMDStringInContext( + llvm::LLVMMDStringInContext2( llcx, rustc_producer.as_ptr().cast(), - rustc_producer.as_bytes().len() as c_uint, + rustc_producer.as_bytes().len(), ) }; unsafe { llvm::LLVMAddNamedMetadataOperand( llmod, c"llvm.ident".as_ptr(), - llvm::LLVMMDNodeInContext(llcx, &name_metadata, 1), + &llvm::LLVMMetadataAsValue(llcx, llvm::LLVMMDNodeInContext2(llcx, &name_metadata, 1)), ); } diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index d231b103964..89f4c4cf179 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -1545,20 +1545,16 @@ enum VCallVisibility { let trait_ref_typeid = typeid_for_trait_ref(cx.tcx, trait_ref); unsafe { - let typeid = llvm::LLVMMDStringInContext( + let typeid = llvm::LLVMMDStringInContext2( cx.llcx, trait_ref_typeid.as_ptr() as *const c_char, - trait_ref_typeid.as_bytes().len() as c_uint, + trait_ref_typeid.as_bytes().len(), ); - let v = [cx.const_usize(0), typeid]; + let v = [llvm::LLVMValueAsMetadata(cx.const_usize(0)), typeid]; llvm::LLVMRustGlobalAddMetadata( vtable, llvm::MD_type as c_uint, - llvm::LLVMValueAsMetadata(llvm::LLVMMDNodeInContext( - cx.llcx, - v.as_ptr(), - v.len() as c_uint, - )), + llvm::LLVMMDNodeInContext2(cx.llcx, v.as_ptr(), v.len()), ); let vcall_visibility = llvm::LLVMValueAsMetadata(cx.const_u64(vcall_visibility as u64)); let vcall_visibility_metadata = llvm::LLVMMDNodeInContext2(cx.llcx, &vcall_visibility, 1); diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index cc921aa87bc..b98251e5125 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -20,7 +20,7 @@ use crate::abi::{Abi, FnAbi, FnAbiLlvmExt, LlvmType, PassMode}; use crate::builder::Builder; use crate::context::CodegenCx; -use crate::llvm; +use crate::llvm::{self, Metadata}; use crate::type_::Type; use crate::type_of::LayoutLlvmExt; use crate::va_arg::emit_va_arg; @@ -616,9 +616,10 @@ fn expect(&mut self, cond: Self::Value, expected: bool) -> Self::Value { } } - fn type_test(&mut self, pointer: Self::Value, typeid: Self::Value) -> Self::Value { + fn type_test(&mut self, pointer: Self::Value, typeid: Self::Metadata) -> Self::Value { // Test the called operand using llvm.type.test intrinsic. The LowerTypeTests link-time // optimization pass replaces calls to this intrinsic with code to test type membership. + let typeid = unsafe { llvm::LLVMMetadataAsValue(&self.llcx, typeid) }; self.call_intrinsic("llvm.type.test", &[pointer, typeid]) } @@ -626,8 +627,9 @@ fn type_checked_load( &mut self, llvtable: &'ll Value, vtable_byte_offset: u64, - typeid: &'ll Value, + typeid: &'ll Metadata, ) -> Self::Value { + let typeid = unsafe { llvm::LLVMMetadataAsValue(&self.llcx, typeid) }; let vtable_byte_offset = self.const_i32(vtable_byte_offset as i32); let type_checked_load = self.call_intrinsic("llvm.type.checked.load", &[llvtable, vtable_byte_offset, typeid]); diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index e84ab0aa538..2c0e7f6ffbb 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -912,17 +912,7 @@ pub fn LLVMStructTypeInContext<'a>( pub fn LLVMGetPoison(Ty: &Type) -> &Value; // Operations on metadata - // FIXME: deprecated, replace with LLVMMDStringInContext2 - pub fn LLVMMDStringInContext(C: &Context, Str: *const c_char, SLen: c_uint) -> &Value; - pub fn LLVMMDStringInContext2(C: &Context, Str: *const c_char, SLen: size_t) -> &Metadata; - - // FIXME: deprecated, replace with LLVMMDNodeInContext2 - pub fn LLVMMDNodeInContext<'a>( - C: &'a Context, - Vals: *const &'a Value, - Count: c_uint, - ) -> &'a Value; pub fn LLVMMDNodeInContext2<'a>( C: &'a Context, Vals: *const &'a Metadata, diff --git a/compiler/rustc_codegen_llvm/src/type_.rs b/compiler/rustc_codegen_llvm/src/type_.rs index 2c2b9030b7c..f1efc7a3dac 100644 --- a/compiler/rustc_codegen_llvm/src/type_.rs +++ b/compiler/rustc_codegen_llvm/src/type_.rs @@ -13,7 +13,7 @@ use crate::abi::{FnAbiLlvmExt, LlvmType}; use crate::context::CodegenCx; pub(crate) use crate::llvm::Type; -use crate::llvm::{Bool, False, True}; +use crate::llvm::{Bool, False, Metadata, True}; use crate::type_of::LayoutLlvmExt; use crate::value::Value; use crate::{common, llvm}; @@ -283,43 +283,31 @@ fn reg_backend_type(&self, ty: &Reg) -> &'ll Type { impl<'ll, 'tcx> TypeMembershipCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { fn add_type_metadata(&self, function: &'ll Value, typeid: String) { let typeid_metadata = self.typeid_metadata(typeid).unwrap(); - let v = [self.const_usize(0), typeid_metadata]; unsafe { + let v = [llvm::LLVMValueAsMetadata(self.const_usize(0)), typeid_metadata]; llvm::LLVMRustGlobalAddMetadata( function, llvm::MD_type as c_uint, - llvm::LLVMValueAsMetadata(llvm::LLVMMDNodeInContext( - self.llcx, - v.as_ptr(), - v.len() as c_uint, - )), + llvm::LLVMMDNodeInContext2(self.llcx, v.as_ptr(), v.len()), ) } } fn set_type_metadata(&self, function: &'ll Value, typeid: String) { let typeid_metadata = self.typeid_metadata(typeid).unwrap(); - let v = [self.const_usize(0), typeid_metadata]; unsafe { + let v = [llvm::LLVMValueAsMetadata(self.const_usize(0)), typeid_metadata]; llvm::LLVMGlobalSetMetadata( function, llvm::MD_type as c_uint, - llvm::LLVMValueAsMetadata(llvm::LLVMMDNodeInContext( - self.llcx, - v.as_ptr(), - v.len() as c_uint, - )), + llvm::LLVMMDNodeInContext2(self.llcx, v.as_ptr(), v.len()), ) } } - fn typeid_metadata(&self, typeid: String) -> Option<&'ll Value> { + fn typeid_metadata(&self, typeid: String) -> Option<&'ll Metadata> { Some(unsafe { - llvm::LLVMMDStringInContext( - self.llcx, - typeid.as_ptr() as *const c_char, - typeid.len() as c_uint, - ) + llvm::LLVMMDStringInContext2(self.llcx, typeid.as_ptr() as *const c_char, typeid.len()) }) } diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs index e45af1cd153..dcab6b88215 100644 --- a/compiler/rustc_codegen_ssa/src/traits/backend.rs +++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs @@ -21,6 +21,7 @@ pub trait BackendTypes { type Value: CodegenObject; + type Metadata: CodegenObject; type Function: CodegenObject; type BasicBlock: Copy; diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs index 5af0457bebd..e0e109e518f 100644 --- a/compiler/rustc_codegen_ssa/src/traits/builder.rs +++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs @@ -51,6 +51,7 @@ pub trait BuilderMethods<'a, 'tcx>: type CodegenCx: CodegenMethods< 'tcx, Value = Self::Value, + Metadata = Self::Metadata, Function = Self::Function, BasicBlock = Self::BasicBlock, Type = Self::Type, diff --git a/compiler/rustc_codegen_ssa/src/traits/intrinsic.rs b/compiler/rustc_codegen_ssa/src/traits/intrinsic.rs index e721cfb7134..5b9274b4824 100644 --- a/compiler/rustc_codegen_ssa/src/traits/intrinsic.rs +++ b/compiler/rustc_codegen_ssa/src/traits/intrinsic.rs @@ -24,14 +24,14 @@ fn codegen_intrinsic_call( fn assume(&mut self, val: Self::Value); fn expect(&mut self, cond: Self::Value, expected: bool) -> Self::Value; /// Trait method used to test whether a given pointer is associated with a type identifier. - fn type_test(&mut self, pointer: Self::Value, typeid: Self::Value) -> Self::Value; + fn type_test(&mut self, pointer: Self::Value, typeid: Self::Metadata) -> Self::Value; /// Trait method used to load a function while testing if it is associated with a type /// identifier. fn type_checked_load( &mut self, llvtable: Self::Value, vtable_byte_offset: u64, - typeid: Self::Value, + typeid: Self::Metadata, ) -> Self::Value; /// Trait method used to inject `va_start` on the "spoofed" `VaListImpl` in /// Rust defined C-variadic functions. diff --git a/compiler/rustc_codegen_ssa/src/traits/type_.rs b/compiler/rustc_codegen_ssa/src/traits/type_.rs index f6f309287fe..e4a029f1507 100644 --- a/compiler/rustc_codegen_ssa/src/traits/type_.rs +++ b/compiler/rustc_codegen_ssa/src/traits/type_.rs @@ -152,7 +152,7 @@ fn is_backend_ref(&self, layout: TyAndLayout<'tcx>) -> bool { pub trait TypeMembershipCodegenMethods<'tcx>: BackendTypes { fn add_type_metadata(&self, _function: Self::Function, _typeid: String) {} fn set_type_metadata(&self, _function: Self::Function, _typeid: String) {} - fn typeid_metadata(&self, _typeid: String) -> Option { + fn typeid_metadata(&self, _typeid: String) -> Option { None } fn add_kcfi_type_metadata(&self, _function: Self::Function, _typeid: u32) {} From 632342a13513dfdbb53fcbd14ac2e493e36ed6ff Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Thu, 19 Sep 2024 18:45:23 +0800 Subject: [PATCH 2/5] wrap `LLVMSetMetadata` --- compiler/rustc_codegen_llvm/src/builder.rs | 31 +++++++++------------- compiler/rustc_codegen_llvm/src/context.rs | 11 +++++++- 2 files changed, 22 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index e4efe83079b..70d81c6c5a8 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -678,22 +678,20 @@ fn range_metadata(&mut self, load: &'ll Value, range: WrappingRange) { unsafe { let llty = self.cx.val_ty(load); - let v = [ + let md = [ llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.start)), llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.end.wrapping_add(1))), ]; - let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len()); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(load, llvm::MD_range as c_uint, md); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len()); + self.set_metadata(load, llvm::MD_range as c_uint, md); } } fn nonnull_metadata(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(load, llvm::MD_nonnull as c_uint, md); + self.set_metadata(load, llvm::MD_nonnull as c_uint, md); } } @@ -742,9 +740,8 @@ fn store_with_flags( // // [1]: https://llvm.org/docs/LangRef.html#store-instruction let one = llvm::LLVMValueAsMetadata(self.cx.const_i32(1)); - let node = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1); - let node = llvm::LLVMMetadataAsValue(&self.llcx, node); - llvm::LLVMSetMetadata(store, llvm::MD_nontemporal as c_uint, node); + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1); + self.set_metadata(store, llvm::MD_nontemporal as c_uint, md); } } store @@ -1209,8 +1206,7 @@ fn atomic_fence( fn set_invariant_load(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(load, llvm::MD_invariant_load as c_uint, md); + self.set_metadata(load, llvm::MD_invariant_load as c_uint, md); } } @@ -1339,26 +1335,23 @@ fn position_at_start(&mut self, llbb: &'ll BasicBlock) { fn align_metadata(&mut self, load: &'ll Value, align: Align) { unsafe { - let v = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))]; - let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, v.as_ptr(), v.len()); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(load, llvm::MD_align as c_uint, md); + let md = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))]; + let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len()); + self.set_metadata(load, llvm::MD_align as c_uint, md); } } fn noundef_metadata(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(load, llvm::MD_noundef as c_uint, md); + self.set_metadata(load, llvm::MD_noundef as c_uint, md); } } pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - let md = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(inst, llvm::MD_unpredictable as c_uint, md); + self.set_metadata(inst, llvm::MD_unpredictable as c_uint, md); } } diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 469f6843f35..02fa1657f40 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -1,6 +1,6 @@ use std::borrow::Borrow; use std::cell::{Cell, RefCell}; -use std::ffi::CStr; +use std::ffi::{c_uint, CStr}; use std::str; use rustc_codegen_ssa::base::{wants_msvc_seh, wants_wasm_eh}; @@ -30,6 +30,7 @@ use crate::back::write::to_llvm_code_model; use crate::callee::get_fn; use crate::debuginfo::metadata::apply_vcall_visibility_metadata; +use crate::llvm::Metadata; use crate::type_::Type; use crate::value::Value; use crate::{attributes, coverageinfo, debuginfo, llvm, llvm_util}; @@ -585,6 +586,14 @@ pub(crate) fn create_used_variable_impl(&self, name: &'static CStr, values: &[&' llvm::LLVMSetSection(g, c"llvm.metadata".as_ptr()); } } + + /// A wrapper for [`llvm::LLVMSetMetadata`], but it takes `Metadata` as a parameter instead of `Value`. + pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: c_uint, md: &'a Metadata) { + unsafe { + let node = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(val, kind_id, node); + } + } } impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { From e2ec83ced9bd19ae04266c8e500340d8b6ed51e6 Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Thu, 19 Sep 2024 18:52:09 +0800 Subject: [PATCH 3/5] move place --- compiler/rustc_codegen_llvm/src/context.rs | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 02fa1657f40..9817407fcd1 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -586,14 +586,6 @@ pub(crate) fn create_used_variable_impl(&self, name: &'static CStr, values: &[&' llvm::LLVMSetSection(g, c"llvm.metadata".as_ptr()); } } - - /// A wrapper for [`llvm::LLVMSetMetadata`], but it takes `Metadata` as a parameter instead of `Value`. - pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: c_uint, md: &'a Metadata) { - unsafe { - let node = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(val, kind_id, node); - } - } } impl<'ll, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'ll, 'tcx> { @@ -1126,6 +1118,14 @@ pub(crate) fn generate_local_symbol_name(&self, prefix: &str) -> String { name.push_str(&(idx as u64).to_base(ALPHANUMERIC_ONLY)); name } + + /// A wrapper for [`llvm::LLVMSetMetadata`], but it takes `Metadata` as a parameter instead of `Value`. + pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: c_uint, md: &'a Metadata) { + unsafe { + let node = llvm::LLVMMetadataAsValue(&self.llcx, md); + llvm::LLVMSetMetadata(val, kind_id, node); + } + } } impl HasDataLayout for CodegenCx<'_, '_> { From 6da2d6e026e73c0e83fadc223a72b805af772159 Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Thu, 19 Sep 2024 18:56:02 +0800 Subject: [PATCH 4/5] MetadataType type cast --- compiler/rustc_codegen_llvm/src/builder.rs | 15 +++++++-------- compiler/rustc_codegen_llvm/src/context.rs | 6 +++--- 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 70d81c6c5a8..cdca56b4201 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -682,16 +682,15 @@ fn range_metadata(&mut self, load: &'ll Value, range: WrappingRange) { llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.start)), llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.end.wrapping_add(1))), ]; - let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len()); - self.set_metadata(load, llvm::MD_range as c_uint, md); + self.set_metadata(load, llvm::MD_range, md); } } fn nonnull_metadata(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - self.set_metadata(load, llvm::MD_nonnull as c_uint, md); + self.set_metadata(load, llvm::MD_nonnull, md); } } @@ -741,7 +740,7 @@ fn store_with_flags( // [1]: https://llvm.org/docs/LangRef.html#store-instruction let one = llvm::LLVMValueAsMetadata(self.cx.const_i32(1)); let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1); - self.set_metadata(store, llvm::MD_nontemporal as c_uint, md); + self.set_metadata(store, llvm::MD_nontemporal, md); } } store @@ -1206,7 +1205,7 @@ fn atomic_fence( fn set_invariant_load(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - self.set_metadata(load, llvm::MD_invariant_load as c_uint, md); + self.set_metadata(load, llvm::MD_invariant_load, md); } } @@ -1337,21 +1336,21 @@ fn align_metadata(&mut self, load: &'ll Value, align: Align) { unsafe { let md = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))]; let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len()); - self.set_metadata(load, llvm::MD_align as c_uint, md); + self.set_metadata(load, llvm::MD_align, md); } } fn noundef_metadata(&mut self, load: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - self.set_metadata(load, llvm::MD_noundef as c_uint, md); + self.set_metadata(load, llvm::MD_noundef, md); } } pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) { unsafe { let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0); - self.set_metadata(inst, llvm::MD_unpredictable as c_uint, md); + self.set_metadata(inst, llvm::MD_unpredictable, md); } } diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 9817407fcd1..05ad98e0560 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -30,7 +30,7 @@ use crate::back::write::to_llvm_code_model; use crate::callee::get_fn; use crate::debuginfo::metadata::apply_vcall_visibility_metadata; -use crate::llvm::Metadata; +use crate::llvm::{Metadata, MetadataType}; use crate::type_::Type; use crate::value::Value; use crate::{attributes, coverageinfo, debuginfo, llvm, llvm_util}; @@ -1120,10 +1120,10 @@ pub(crate) fn generate_local_symbol_name(&self, prefix: &str) -> String { } /// A wrapper for [`llvm::LLVMSetMetadata`], but it takes `Metadata` as a parameter instead of `Value`. - pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: c_uint, md: &'a Metadata) { + pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: MetadataType, md: &'a Metadata) { unsafe { let node = llvm::LLVMMetadataAsValue(&self.llcx, md); - llvm::LLVMSetMetadata(val, kind_id, node); + llvm::LLVMSetMetadata(val, kind_id as c_uint, node); } } } From d7ebf9e541d973efc1c43df0da7ceeb4ae612512 Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Mon, 23 Sep 2024 23:45:13 +0800 Subject: [PATCH 5/5] format --- compiler/rustc_codegen_llvm/src/context.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 05ad98e0560..3e022025e77 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -1,6 +1,6 @@ use std::borrow::Borrow; use std::cell::{Cell, RefCell}; -use std::ffi::{c_uint, CStr}; +use std::ffi::{CStr, c_uint}; use std::str; use rustc_codegen_ssa::base::{wants_msvc_seh, wants_wasm_eh};