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Disable probestack when GCOV profiling is being used

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Marco Castelluccio 2018-06-20 22:07:55 +01:00
parent 5230979794
commit e9aacfd5c1
1 changed files with 5 additions and 0 deletions
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5
src/librustc_codegen_llvm/attributes.rs
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@ -98,6 +98,11 @@ pub fn set_probestack(cx: &CodegenCx, llfn: ValueRef) {
return; return;
} }
// probestack doesn't play nice either with gcov profiling.
if cx.sess().opts.debugging_opts.profile {
return;
}
// Flag our internal `__rust_probestack` function as the stack probe symbol. // Flag our internal `__rust_probestack` function as the stack probe symbol.
// This is defined in the `compiler-builtins` crate for each architecture. // This is defined in the `compiler-builtins` crate for each architecture.
llvm::AddFunctionAttrStringValue( llvm::AddFunctionAttrStringValue(