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// The waiting loop never exits via the normal
// path before the profile is dumped and the
// program is terminated. This tests checks
// that the entry of main is properly instrumented
// and has non-zero count.
// RUN: %clang_pgogen -mllvm -do-counter-promotion=false -O2 -o %t %s
// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
// RUN: llvm-profdata show -function main -counts %t.profraw| FileCheck %s
void exit(int);
int __llvm_profile_dump(void);
void __llvm_profile_reset_counters(void);
int g = 0;
__attribute__((noinline)) void doSth() {
g++;
if (g > 10000) {
// dump profile and exit;
__llvm_profile_dump();
exit(0);
}
}
int errorcode = 0;
int noerror() { return (errorcode == 0); }
int main(int argc, const char *argv[]) {
// waiting_loop
while (noerror()) {
doSth();
}
}
// CHECK-LABEL: main
// CHECK: [10001, 1]
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