| 1 | // RUN: mkdir -p %t.d && cd %t.d |
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| 2 | // RUN: rm -f *.profraw |
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| 3 | // RUN: %clang_pgogen %s -o a.out |
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| 4 | |
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| 5 | // Need to run a.out twice. On the second time, a merge will occur, which will |
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| 6 | // trigger an mmap. |
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| 7 | // RUN: ./a.out |
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| 8 | // RUN: llvm-profdata show default_*.profraw --all-functions --counts --memop-sizes 2>&1 | FileCheck %s -check-prefix=PROFDATA |
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| 9 | // RUN: env LLVM_PROFILE_NO_MMAP=1 LLVM_PROFILE_VERBOSE=1 ./a.out 2>&1 | FileCheck %s |
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| 10 | // RUN: llvm-profdata show default_*.profraw --all-functions --counts --memop-sizes 2>&1 | FileCheck %s -check-prefix=PROFDATA2 |
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| 11 | |
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| 12 | // CHECK: could not use mmap; using fread instead |
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| 13 | // PROFDATA: Block counts: [1] |
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| 14 | // PROFDATA: [ 0, 0, 1 ] |
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| 15 | // PROFDATA: Maximum function count: 1 |
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| 16 | // PROFDATA2: Block counts: [2] |
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| 17 | // PROFDATA2: [ 0, 0, 2 ] |
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| 18 | // PROFDATA2: Maximum function count: 2 |
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| 19 | |
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| 20 | int ar[8]; |
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| 21 | int main() { |
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| 22 | __builtin_memcpy(ar, ar + 2, ar[0]); |
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| 23 | __builtin_memcpy(ar, ar + 2, ar[2]); |
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| 24 | return ar[2]; |
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| 25 | } |
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| 26 | |
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