compiler-rt/test/profile/instrprof-groups.c

   1 // RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=0 %s -o %t.0.out
   2 // RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=1 %s -o %t.1.out
   3 // RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=2 %s -o %t.2.out
   4 // RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t.0.out
   5 // RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t.1.out
   6 // RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2.out
   7 // RUN: llvm-profdata merge -o %t.profdata %t.*.profraw
   8 // RUN: llvm-profdata show %t.profdata --all-functions | FileCheck %s
   9
  10 int foo(int i) { return 4 * i + 1; }
  11 int bar(int i) { return 4 * i + 2; }
  12 int goo(int i) { return 4 * i + 3; }
  13
  14 int main(int argc, char *argv[]) {
  15   foo(5);
  16   bar(6);
  17   goo(7);
  18   return 0;
  19 }
  20
  21 // Even though we ran this code three times, we expect all counts to be one if
  22 // functions were partitioned into groups correctly.
  23
  24 // CHECK: Counters: 1
  25 // CHECK: Counters: 1
  26 // CHECK: Counters: 1
  27 // CHECK: Counters: 1
  28 // CHECK: Total functions: 4