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author | Chris Lattner <sabre@nondot.org> | 2010-11-23 20:05:15 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-11-23 20:05:15 +0000 |
commit | 8f0583daa2864318537a61b12e71c3264c227738 (patch) | |
tree | 9b5bc2e69bf0e820f92b5d8d5b42206f431dec8c /clang/lib/Basic/FileSystemStatCache.cpp | |
parent | 5769c3dffd6d7b1d7684c93eaea71e1277846e26 (diff) | |
download | bcm5719-llvm-8f0583daa2864318537a61b12e71c3264c227738.tar.gz bcm5719-llvm-8f0583daa2864318537a61b12e71c3264c227738.zip |
simplify the cache miss handling code, eliminating CacheMissing.
llvm-svn: 120038
Diffstat (limited to 'clang/lib/Basic/FileSystemStatCache.cpp')
-rw-r--r-- | clang/lib/Basic/FileSystemStatCache.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/clang/lib/Basic/FileSystemStatCache.cpp b/clang/lib/Basic/FileSystemStatCache.cpp index 738af41a9ee..26e9d2f1501 100644 --- a/clang/lib/Basic/FileSystemStatCache.cpp +++ b/clang/lib/Basic/FileSystemStatCache.cpp @@ -19,16 +19,11 @@ MemorizeStatCalls::LookupResult MemorizeStatCalls::getStat(const char *Path, struct stat &StatBuf) { LookupResult Result = statChained(Path, StatBuf); - // If the chained cache didn't know anything about the file, do the stat now - // so we can record the result. - if (Result == CacheMiss) - Result = ::stat(Path, &StatBuf) ? CacheHitMissing : CacheHitExists; - // Do not cache failed stats, it is easy to construct common inconsistent // situations if we do, and they are not important for PCH performance (which // currently only needs the stats to construct the initial FileManager // entries). - if (Result == CacheHitMissing) + if (Result == CacheMissing) return Result; // Cache file 'stat' results and directories with absolutely paths. |