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| author | Alp Toker <alp@nuanti.com> | 2014-05-19 16:13:28 +0000 |
|---|---|---|
| committer | Alp Toker <alp@nuanti.com> | 2014-05-19 16:13:28 +0000 |
| commit | d71b6dfd854f4dbff946ae22a7f4b89cbd22048e (patch) | |
| tree | 57285828e98083e0aa66909a36c40af23ffca75a /llvm/lib/Support/MemoryBuffer.cpp | |
| parent | 6d8b9a747c17d900bac09c5a800f5c4b7a3c5061 (diff) | |
| download | llvm-d71b6dfd854f4dbff946ae22a7f4b89cbd22048e.zip llvm-d71b6dfd854f4dbff946ae22a7f4b89cbd22048e.tar.gz llvm-d71b6dfd854f4dbff946ae22a7f4b89cbd22048e.tar.bz2 | |
MemoryBuffer: Use GetNativeSystemInfo()
Removes old 4096 byte workaround. This functionality has been available since
Windows XP.
llvm-svn: 209137
Diffstat (limited to 'llvm/lib/Support/MemoryBuffer.cpp')
| -rw-r--r-- | llvm/lib/Support/MemoryBuffer.cpp | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp index 9be05d6..629d885 100644 --- a/llvm/lib/Support/MemoryBuffer.cpp +++ b/llvm/lib/Support/MemoryBuffer.cpp @@ -310,15 +310,6 @@ static bool shouldUseMmap(int FD, if (End != FileSize) return false; -#if defined(_WIN32) || defined(__CYGWIN__) - // Don't peek the next page if file is multiple of *physical* pagesize(4k) - // but is not multiple of AllocationGranularity(64k), - // when a null terminator is required. - // FIXME: It's not good to hardcode 4096 here. dwPageSize shows 4096. - if ((FileSize & (4096 - 1)) == 0) - return false; -#endif - // Don't try to map files that are exactly a multiple of the system page size // if we need a null terminator. if ((FileSize & (PageSize -1)) == 0) |