af8205d0eb
AIX 7.2 TL5 SP4 and AIX 7.3 TL0 SP2 have been released as of now.
The linker in these OS versions recognizes and properly supports
__start_SECNAME and __stop_SECNAME symbols which are needed for PGO.
This reverts commit 93bb2f16e8.
37 lines
864 B
C
37 lines
864 B
C
// The waiting loop never exits via the normal
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// path before the profile is dumped and the
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// program is terminated. This tests checks
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// that the entry of main is properly instrumented
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// and has non-zero count.
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// RUN: %clang_pgogen -mllvm -do-counter-promotion=false -O2 -o %t %s
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// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
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// RUN: llvm-profdata show -function main -counts %t.profraw| FileCheck %s
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void exit(int);
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int __llvm_profile_dump(void);
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void __llvm_profile_reset_counters(void);
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int g = 0;
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__attribute__((noinline)) void doSth() {
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g++;
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if (g > 10000) {
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// dump profile and exit;
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__llvm_profile_dump();
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exit(0);
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}
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}
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int errorcode = 0;
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int noerror() { return (errorcode == 0); }
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int main(int argc, const char *argv[]) {
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// waiting_loop
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while (noerror()) {
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doSth();
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}
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}
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// CHECK-LABEL: main
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// CHECK: [10001, 1]
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