clang/test/CodeGen/pgo-instrumentation.c

   1 // Test if PGO instrumentation and use pass are invoked.
   2 //
   3 // Ensure Pass PGOInstrumentationGenPass is invoked.
   4 // RUN: %clang_cc1 -O2 -fprofile-instrument=llvm %s  -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-PGOGENPASS-INVOKED-INSTR-GEN --check-prefix=CHECK-INSTRPROF
   5 // CHECK-PGOGENPASS-INVOKED-INSTR-GEN: Running pass: PGOInstrumentationGen on
   6 // CHECK-INSTRPROF: Running pass: InstrProfiling on
   7 //
   8 // Ensure Pass PGOInstrumentationGenPass is not invoked.
   9 // RUN: %clang_cc1 -O2 -fprofile-instrument=clang %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-PGOGENPASS-INVOKED-INSTR-GEN-CLANG
  10 // CHECK-PGOGENPASS-INVOKED-INSTR-GEN-CLANG-NOT: Running pass: PGOInstrumentationGen on
  11
  12 // RUN: %clang_cc1 -O2 -fprofile-instrument=clang %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-CLANG-INSTRPROF
  13 // RUN: %clang_cc1 -O0 -fprofile-instrument=clang %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=CHECK-CLANG-INSTRPROF
  14 // CHECK-CLANG-INSTRPROF: Running pass: InstrProfiling on
  15
  16 // Ensure Pass PGOInstrumentationUsePass is invoked.
  17 // RUN: llvm-profdata merge -o %t.profdata %S/Inputs/pgotestir.profraw
  18 // RUN: %clang_cc1 -O2 -fprofile-instrument-use-path=%t.profdata %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-PGOUSEPASS-INVOKED-INSTR-USE
  19 // CHECK-PGOUSEPASS-INVOKED-INSTR-USE: Running pass: PGOInstrumentationUse on
  20 //
  21 // Ensure Pass PGOInstrumentationUsePass is not invoked.
  22 // RUN: llvm-profdata merge -o %t.profdata %S/Inputs/pgotestclang.profraw
  23 // RUN: %clang_cc1 -O2 -fprofile-instrument-use-path=%t.profdata %s -fdebug-pass-manager -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-PGOUSEPASS-INVOKED-USE-CLANG
  24 // CHECK-PGOUSEPASS-INVOKED-USE-CLANG-NOT: Running pass: PGOInstrumentationUse on