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| author | Amanieu d'Antras <amanieu@gmail.com> | 2021-09-06 13:10:11 +0200 |
|---|---|---|
| committer | Amanieu d'Antras <amanieu@gmail.com> | 2021-09-11 16:13:30 +0100 |
| commit | 007bd17a68a502aef3df4799c7fa7c07985d7747 (patch) | |
| tree | 0cb1b9a1bf6d9f827deed10f15ef8f24930688ac /compiler/rustc_codegen_llvm/src | |
| parent | 8c7a05a23f427625f99b74ca506a0f5d8eb9bc11 (diff) | |
| download | rust-007bd17a68a502aef3df4799c7fa7c07985d7747.tar.gz rust-007bd17a68a502aef3df4799c7fa7c07985d7747.zip | |
Apply noreturn and nounwind LLVM attributes to callsites
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/abi.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index cd55a61cbaf..b7180fd84c3 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -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| { |