1 files changed, 16 insertions, 11 deletions

diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index c1f715e..fd6d334 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -20,13 +20,12 @@
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/FileSystemStatCache.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/system_error.h"
-#include "llvm/Config/config.h"
+#include "llvm/Config/llvm-config.h"
 #include <map>
 #include <set>
 #include <string>
@@ -106,8 +105,8 @@ public:
   FileEntry &getFile(const char *Name, const struct stat & /*StatBuf*/) {
     std::string FullPath(GetFullPath(Name));
 
-    // LowercaseString because Windows filesystem is case insensitive.
-    FullPath = llvm::LowercaseString(FullPath);
+    // Lowercase string because Windows filesystem is case insensitive.
+    FullPath = StringRef(FullPath).lower();
     return UniqueFiles.GetOrCreateValue(FullPath).getValue();
   }
 
@@ -266,6 +265,12 @@ void FileManager::addAncestorsAsVirtualDirs(StringRef Path) {
 ///
 const DirectoryEntry *FileManager::getDirectory(StringRef DirName,
                                                 bool CacheFailure) {
+  // stat doesn't like trailing separators.
+  // At least, on Win32 MSVCRT, stat() cannot strip trailing '/'.
+  // (though it can strip '\\')
+  if (DirName.size() > 1 && llvm::sys::path::is_separator(DirName.back()))
+    DirName = DirName.substr(0, DirName.size()-1);
+
   ++NumDirLookups;
   llvm::StringMapEntry<DirectoryEntry *> &NamedDirEnt =
     SeenDirEntries.GetOrCreateValue(DirName);
@@ -472,14 +477,14 @@ void FileManager::FixupRelativePath(SmallVectorImpl<char> &path) const {
       || llvm::sys::path::is_absolute(pathRef))
     return;
 
-  llvm::SmallString<128> NewPath(FileSystemOpts.WorkingDir);
+  SmallString<128> NewPath(FileSystemOpts.WorkingDir);
   llvm::sys::path::append(NewPath, pathRef);
   path = NewPath;
 }
 
 llvm::MemoryBuffer *FileManager::
 getBufferForFile(const FileEntry *Entry, std::string *ErrorStr) {
-  llvm::OwningPtr<llvm::MemoryBuffer> Result;
+  OwningPtr<llvm::MemoryBuffer> Result;
   llvm::error_code ec;
 
   const char *Filename = Entry->getName();
@@ -504,7 +509,7 @@ getBufferForFile(const FileEntry *Entry, std::string *ErrorStr) {
     return Result.take();
   }
 
-  llvm::SmallString<128> FilePath(Entry->getName());
+  SmallString<128> FilePath(Entry->getName());
   FixupRelativePath(FilePath);
   ec = llvm::MemoryBuffer::getFile(FilePath.str(), Result, Entry->getSize());
   if (ec && ErrorStr)
@@ -514,7 +519,7 @@ getBufferForFile(const FileEntry *Entry, std::string *ErrorStr) {
 
 llvm::MemoryBuffer *FileManager::
 getBufferForFile(StringRef Filename, std::string *ErrorStr) {
-  llvm::OwningPtr<llvm::MemoryBuffer> Result;
+  OwningPtr<llvm::MemoryBuffer> Result;
   llvm::error_code ec;
   if (FileSystemOpts.WorkingDir.empty()) {
     ec = llvm::MemoryBuffer::getFile(Filename, Result);
@@ -523,7 +528,7 @@ getBufferForFile(StringRef Filename, std::string *ErrorStr) {
     return Result.take();
   }
 
-  llvm::SmallString<128> FilePath(Filename);
+  SmallString<128> FilePath(Filename);
   FixupRelativePath(FilePath);
   ec = llvm::MemoryBuffer::getFile(FilePath.c_str(), Result);
   if (ec && ErrorStr)
@@ -544,7 +549,7 @@ bool FileManager::getStatValue(const char *Path, struct stat &StatBuf,
     return FileSystemStatCache::get(Path, StatBuf, FileDescriptor,
                                     StatCache.get());
 
-  llvm::SmallString<128> FilePath(Path);
+  SmallString<128> FilePath(Path);
   FixupRelativePath(FilePath);
 
   return FileSystemStatCache::get(FilePath.c_str(), StatBuf, FileDescriptor,
@@ -553,7 +558,7 @@ bool FileManager::getStatValue(const char *Path, struct stat &StatBuf,
 
 bool FileManager::getNoncachedStatValue(StringRef Path, 
                                         struct stat &StatBuf) {
-  llvm::SmallString<128> FilePath(Path);
+  SmallString<128> FilePath(Path);
   FixupRelativePath(FilePath);
 
   return ::stat(FilePath.c_str(), &StatBuf) != 0;