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Turning on `enable_noundef_analysis` flag allows better codegen by removing freeze instructions. I modified clang by renaming `enable_noundef_analysis` flag to `disable-noundef-analysis` and turning it off by default. Test updates are made as a separate patch: D108453 Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D105169
13 lines
652 B
C++
13 lines
652 B
C++
// This test checks if a symbol gets mangled dwarf names with -fpseudo-probe-for-profiling option.
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// RUN: %clang_cc1 -triple x86_64 -x c++ -S -emit-llvm -debug-info-kind=line-tables-only -o - < %s | FileCheck %s --check-prefix=PLAIN
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// RUN: %clang_cc1 -triple x86_64 -x c++ -S -emit-llvm -debug-info-kind=line-tables-only -fpseudo-probe-for-profiling -o - < %s | FileCheck %s --check-prefix=MANGLE
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int foo() {
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return 0;
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}
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// PLAIN: define dso_local noundef i32 @_Z3foov()
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// PLAIN: distinct !DISubprogram(name: "foo", scope:
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// MANGLE: define dso_local noundef i32 @_Z3foov()
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// MANGLE: distinct !DISubprogram(name: "foo", linkageName: "_Z3foov"
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