clang/test/CodeGenCXX/fdebug-info-for-profiling.cpp

   1 /// Normally -g1 does not add linkageName. -fdebug-info-for-profiling adds linkageName.
   2 // RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple -debug-info-kind=line-tables-only %s -o - | FileCheck %s --check-prefix=LINE
   3 // RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple -debug-info-kind=line-tables-only -fdebug-info-for-profiling %s -o - | FileCheck %s
   4
   5 // LINE: = distinct !DISubprogram(name: "foo", scope:
   6
   7 // CHECK: = distinct !DICompileUnit({{.*}}, debugInfoForProfiling: true,
   8 // CHECK: = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope:
   9
  10 /// Add a DWARF discriminators pass for PGO.
  11 // RUN: %clang_cc1 -emit-llvm -fdebug-pass-manager -O1 -fprofile-instrument-path=a.profdata %s -o - 2>&1 | FileCheck %s --check-prefix=NODISCR
  12 // RUN: %clang_cc1 -emit-llvm -fdebug-pass-manager -O1 -fprofile-instrument-path=a.profdata -fdebug-info-for-profiling %s -o - 2>&1 | FileCheck %s --check-prefix=DISCR
  13
  14 // RUN: echo > %t.proftext
  15 // RUN: llvm-profdata merge %t.proftext -o %t.profdata
  16 // RUN: %clang_cc1 -emit-llvm -fdebug-pass-manager -O1 -fprofile-instrument-use-path=%t.profdata -fdebug-info-for-profiling %s -o - 2>&1 | FileCheck %s --check-prefix=DISCR
  17 // RUN: %clang_cc1 -emit-llvm -fdebug-pass-manager -O1 -fdebug-info-for-profiling -fpseudo-probe-for-profiling %s -o - 2>&1 | FileCheck %s --check-prefix=PROBE
  18
  19 // NODISCR-NOT: Running pass: AddDiscriminatorsPass
  20 // DISCR:       Running pass: AddDiscriminatorsPass on {{.*}}
  21 // PROBE:       Running pass: AddDiscriminatorsPass on {{.*}}
  22 // PROBE:       Running pass: SampleProfileProbePass on {{.*}}
  23
  24 void foo() {}