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.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169831 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index ab9d837187..2a3206e95a 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -679,13 +679,13 @@ public:
   ~PTHStatCache() {}
 
   LookupResult getStat(const char *Path, struct stat &StatBuf,
-                       int *FileDescriptor) {
+                       bool isFile, int *FileDescriptor) {
     // Do the lookup for the file's data in the PTH file.
     CacheTy::iterator I = Cache.find(Path);
 
     // If we don't get a hit in the PTH file just forward to 'stat'.
     if (I == Cache.end())
-      return statChained(Path, StatBuf, FileDescriptor);
+      return statChained(Path, StatBuf, isFile, FileDescriptor);
 
     const PTHStatData &Data = *I;