1// The waiting loop never exits via the normal
2// path before the profile is dumped and the
3// program is terminated. This tests checks
4// that the entry of main is properly instrumented
5// and has non-zero count.
6
7// RUN: %clang_pgogen -mllvm -do-counter-promotion=false -O2 -o %t %s
8// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
9// RUN: llvm-profdata show -function main -counts %t.profraw| FileCheck %s
10void exit(int);
11
12int __llvm_profile_dump(void);
13void __llvm_profile_reset_counters(void);
14
15int g = 0;
16__attribute__((noinline)) void doSth() {
17 g++;
18
19 if (g > 10000) {
20 // dump profile and exit;
21 __llvm_profile_dump();
22 exit(0);
23 }
24}
25int errorcode = 0;
26int noerror() { return (errorcode == 0); }
27
28int main(int argc, const char *argv[]) {
29 // waiting_loop
30 while (noerror()) {
31 doSth();
32 }
33}
34
35// CHECK-LABEL: main
36// CHECK: [10001, 1]
37