compiler-rt/test/profile/infinite_loop.c

   1 // RUN: %clang_pgogen  -O2 -o %t %s
   2 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
   3 // RUN: llvm-profdata show -function main -counts  %t.profraw| FileCheck  %s
   4
   5 void exit(int);
   6 int g;
   7 __attribute__((noinline)) void foo()
   8 {
   9   g++;
  10   if (g==1000)
  11     exit(0);
  12 }
  13
  14
  15 int main()
  16 {
  17   while (1) {
  18     foo();
  19   }
  20
  21 }
  22
  23 // CHECK: Counters:
  24 // CHECK-NEXT:  main:
  25 // CHECK-NEXT:    Hash: {{.*}}
  26 // CHECK-NEXT:    Counters: 2
  27 // CHECK-NEXT:    Block counts: [1000, 1]
  28
  29
  30