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MetadataType type cast

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Luv-Ray
2024-09-19 18:56:02 +08:00
parent e2ec83ced9
commit 6da2d6e026
2 changed files with 10 additions and 11 deletions
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15
compiler/rustc_codegen_llvm/src/builder.rs
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@@ -682,16 +682,15 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
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 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
// [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 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
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 @@ impl<'a, 'll, 'tcx> Builder<'a, 'll, 'tcx> {
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);
}
}