Extend stat query APIs to explicitly specify if the query is for

a file or directory, allowing just a stat call if a file descriptor
is not needed.

Doing just 'stat' is faster than 'open/fstat/close'.
This has the effect of cutting down system time for validating the input files of a PCH.

llvm-svn: 169831

1 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/Frontend/CacheTokens.cpp b/clang/lib/Frontend/CacheTokens.cpp
index 26e4b3f..3f80a16 100644
--- a/clang/lib/Frontend/CacheTokens.cpp
+++ b/clang/lib/Frontend/CacheTokens.cpp
@@ -517,8 +517,8 @@ public:
   ~StatListener() {}
 
   LookupResult getStat(const char *Path, struct stat &StatBuf,
-                       int *FileDescriptor) {
-    LookupResult Result = statChained(Path, StatBuf, FileDescriptor);
+                       bool isFile, int *FileDescriptor) {
+    LookupResult Result = statChained(Path, StatBuf, isFile, FileDescriptor);
 
     if (Result == CacheMissing) // Failed 'stat'.
       PM.insert(PTHEntryKeyVariant(Path), PTHEntry());