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d11b16e1fe
Like r367463, but for tsan/{benchmarks,dd,go}.
The files benchmarks aren't referenced in the build anywhere and where added
in 2012 with the comment "no Makefiles yet".
llvm-svn: 367567
21 lines
397 B
C++
21 lines
397 B
C++
// Synthetic benchmark for __tsan_func_entry/exit (spends ~75% there).
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void foo(bool x);
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int main() {
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volatile int kRepeat1 = 1 << 30;
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const int kRepeat = kRepeat1;
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for (int i = 0; i < kRepeat; i++)
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foo(false);
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}
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__attribute__((noinline)) void bar(volatile bool x) {
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if (x)
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foo(x);
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}
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__attribute__((noinline)) void foo(bool x) {
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if (__builtin_expect(x, false))
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bar(x);
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}
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