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Apply noreturn and nounwind LLVM attributes to callsites

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This commit is contained in:
Amanieu d'Antras 2021-09-06 13:10:11 +02:00
parent 8c7a05a23f
commit 007bd17a68
1 changed files with 6 additions and 1 deletions
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7
compiler/rustc_codegen_llvm/src/abi.rs
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@ -511,7 +511,12 @@ impl<'tcx> FnAbiLlvmExt<'tcx> for FnAbi<'tcx, Ty<'tcx>> {
}
fn apply_attrs_callsite(&self, bx: &mut Builder<'a, 'll, 'tcx>, callsite: &'ll Value) {
// FIXME(wesleywiser, eddyb): We should apply `nounwind` and `noreturn` as appropriate to this callsite.
if self.ret.layout.abi.is_uninhabited() {
llvm::Attribute::NoReturn.apply_callsite(llvm::AttributePlace::Function, callsite);
}
if !self.can_unwind {
llvm::Attribute::NoUnwind.apply_callsite(llvm::AttributePlace::Function, callsite);
}
let mut i = 0;
let mut apply = |cx: &CodegenCx<'_, '_>, attrs: &ArgAttributes| {