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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-03-21 20:42:37 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-03-21 20:42:37 +0000 |
| commit | 813d0a276112d79ba13a2cab9f785d1f18e6193d (patch) | |
| tree | ea717f50d294579df27eca17f00063bd77639c1f /lib/ProfileData | |
| parent | bc2740a5981161bec9d81be36cb135428cb26b6d (diff) | |
| download | llvm-813d0a276112d79ba13a2cab9f785d1f18e6193d.tar.gz llvm-813d0a276112d79ba13a2cab9f785d1f18e6193d.tar.bz2 llvm-813d0a276112d79ba13a2cab9f785d1f18e6193d.tar.xz | |
InstrProf: Change magic number to have non-text characters
Include non-text characters in the magic number so that text files can't
match.
<rdar://problem/15950346>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204513 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/ProfileData')
| -rw-r--r-- | lib/ProfileData/InstrProfReader.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/ProfileData/InstrProfReader.cpp b/lib/ProfileData/InstrProfReader.cpp index a95d9bc3b0..f923ad2ddd 100644 --- a/lib/ProfileData/InstrProfReader.cpp +++ b/lib/ProfileData/InstrProfReader.cpp @@ -90,14 +90,14 @@ RawInstrProfReader::RawInstrProfReader(std::unique_ptr<MemoryBuffer> DataBuffer) static uint64_t getRawMagic() { return - uint64_t('l') << 56 | - uint64_t('p') << 48 | - uint64_t('r') << 40 | - uint64_t('o') << 32 | - uint64_t('f') << 24 | - uint64_t('r') << 16 | - uint64_t('a') << 8 | - uint64_t('w'); + uint64_t(255) << 56 | + uint64_t('l') << 48 | + uint64_t('p') << 40 | + uint64_t('r') << 32 | + uint64_t('o') << 24 | + uint64_t('f') << 16 | + uint64_t('r') << 8 | + uint64_t(129); } bool RawInstrProfReader::hasFormat(const MemoryBuffer &DataBuffer) { |