From 813d0a276112d79ba13a2cab9f785d1f18e6193d Mon Sep 17 00:00:00 2001 From: "Duncan P. N. Exon Smith" Date: Fri, 21 Mar 2014 20:42:37 +0000 Subject: InstrProf: Change magic number to have non-text characters Include non-text characters in the magic number so that text files can't match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204513 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/ProfileData/InstrProfReader.cpp | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'lib/ProfileData') 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 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) { -- cgit v1.2.3