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