clang/test/Profile/gcc-flag-compatibility-aix.c

   1 // Tests for -fprofile-generate and -fprofile-use flag compatibility. These two
   2 // flags behave similarly to their GCC counterparts:
   3 //
   4 // -fprofile-generate         Generates the profile file ./default.profraw
   5 // -fprofile-generate=<dir>   Generates the profile file <dir>/default.profraw
   6 // -fprofile-use              Uses the profile file ./default.profdata
   7 // -fprofile-use=<dir>        Uses the profile file <dir>/default.profdata
   8 // -fprofile-use=<dir>/file   Uses the profile file <dir>/file
   9
  10 // On AIX, -flto used to be required with -fprofile-generate, so test those
  11 // extra cases.
  12
  13 // RUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate | FileCheck -check-prefix=PROFILE-GEN %s
  14 // PROFILE-GEN: @__profc_main = {{(private|internal)}} global [2 x i64] zeroinitializer, section
  15 // PROFILE-GEN: @__profd_main =
  16
  17 // Check that -fprofile-generate=/path/to generates /path/to/default.profraw
  18 // RxUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate=/path/to | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
  19 // PROFILE-GEN-EQ: constant [{{.*}} x i8] c"/path/to{{/|\\\\}}{{.*}}\00"
  20
  21 // Check that -fprofile-use=some/path reads some/path/default.profdata
  22 // This uses Clang FE format profile.
  23 // RUN: rm -rf %t.dir
  24 // RUN: mkdir -p %t.dir/some/path
  25 // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/default.profdata
  26 // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path | FileCheck -check-prefix=PROFILE-USE %s
  27
  28 // Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
  29 // This uses Clang FE format profile.
  30 // RUN: rm -rf %t.dir
  31 // RUN: mkdir -p %t.dir/some/path
  32 // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/file.prof
  33 // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof | FileCheck -check-prefix=PROFILE-USE %s
  34 // PROFILE-USE: = !{!"branch_weights", i32 101, i32 2}
  35
  36 // Check that -fprofile-use=some/path reads some/path/default.profdata
  37 // This uses LLVM IR format profile.
  38 // RUN: rm -rf %t.dir
  39 // RUN: mkdir -p %t.dir/some/path
  40 // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/default.profdata
  41 // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path | FileCheck -check-prefix=PROFILE-USE-IR %s
  42
  43 // Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
  44 // This uses LLVM IR format profile.
  45 // RUN: rm -rf %t.dir
  46 // RUN: mkdir -p %t.dir/some/path
  47 // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/file.prof
  48 // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof | FileCheck -check-prefix=PROFILE-USE-IR %s
  49 //
  50 // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR_entry.proftext -o %t.dir/some/path/file.prof
  51 // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof | FileCheck -check-prefix=PROFILE-USE-IR %s
  52
  53 // PROFILE-USE-IR: = !{!"branch_weights", i32 100, i32 1}
  54
  55 int X = 0;
  56
  57 int main(void) {
  58   int i;
  59   for (i = 0; i < 100; i++)
  60     X += i;
  61   return 0;
  62 }