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Mark extern rust-cold calls as cold

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This commit is contained in:
bjorn3 2022-06-09 15:30:23 +02:00
parent 875ffa19b1
commit a298c6908e
1 changed files with 9 additions and 3 deletions
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12
src/abi/mod.rs
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@ -376,9 +376,15 @@ pub(crate) fn codegen_terminator_call<'tcx>(
RevealAllLayoutCx(fx.tcx).fn_abi_of_fn_ptr(fn_ty.fn_sig(fx.tcx), extra_args) RevealAllLayoutCx(fx.tcx).fn_abi_of_fn_ptr(fn_ty.fn_sig(fx.tcx), extra_args)
}; };
let is_cold = instance let is_cold = if fn_sig.abi == Abi::RustCold {
.map(|inst| fx.tcx.codegen_fn_attrs(inst.def_id()).flags.contains(CodegenFnAttrFlags::COLD)) true
.unwrap_or(false); } else {
instance
.map(|inst| {
fx.tcx.codegen_fn_attrs(inst.def_id()).flags.contains(CodegenFnAttrFlags::COLD)
})
.unwrap_or(false)
};
if is_cold { if is_cold {
fx.bcx.set_cold_block(fx.bcx.current_block().unwrap()); fx.bcx.set_cold_block(fx.bcx.current_block().unwrap());
if let Some(destination_block) = target { if let Some(destination_block) = target {