bjoernager/rust
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Mark pure asm as willreturn

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This commit is contained in:
Nikita Popov 2021-02-20 17:02:23 +01:00
parent 41b81584e2
commit bc96516a28
4 changed files with 5 additions and 0 deletions
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compiler/rustc_codegen_llvm/src/asm.rs
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@ -304,6 +304,7 @@ impl AsmBuilderMethods<'tcx> for Builder<'a, 'll, 'tcx> {
} else if options.contains(InlineAsmOptions::READONLY) {
llvm::Attribute::ReadOnly.apply_callsite(llvm::AttributePlace::Function, result);
}
llvm::Attribute::WillReturn.apply_callsite(llvm::AttributePlace::Function, result);
} else if options.contains(InlineAsmOptions::NOMEM) {
llvm::Attribute::InaccessibleMemOnly
.apply_callsite(llvm::AttributePlace::Function, result);