avoid creating sys::Path instances when -fworking-directory isn't being used.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119995 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index c8a71f6..ff07c79 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -391,6 +391,10 @@
std::string *ErrorStr,
int64_t FileSize,
struct stat *FileInfo) {
+ assert(FilenameEnd[0] == 0);
+ if (FileSystemOpts.WorkingDir.empty())
+ return llvm::MemoryBuffer::getFile(FilenameStart, ErrorStr,
+ FileSize, FileInfo);
llvm::sys::Path FilePath(llvm::StringRef(FilenameStart,
FilenameEnd-FilenameStart));
FixupRelativePath(FilePath, FileSystemOpts);
@@ -399,8 +403,11 @@
FileSize, FileInfo);
}
-int FileManager::stat_cached(const char* path, struct stat* buf,
+int FileManager::stat_cached(const char *path, struct stat *buf,
const FileSystemOptions &FileSystemOpts) {
+ if (FileSystemOpts.WorkingDir.empty())
+ return StatCache.get() ? StatCache->stat(path, buf) : stat(path, buf);
+
llvm::sys::Path FilePath(path);
FixupRelativePath(FilePath, FileSystemOpts);