[cfe-commits] r63159 - in /cfe/trunk: include/clang/Basic/FileManager.h lib/Basic/FileManager.cpp

[Ted Kremenek]

Author: kremenek
Date: Tue Jan 27 18:44:12 2009
New Revision: 63159

URL: http://llvm.org/viewvc/llvm-project?rev=63159&view=rev
Log:
FileManager: Use a BumpPtrAllocator for the StringMaps DirEntries and FileEntries.

Performance impact (clang -fsyntax-only INPUTS/Cocoa_h.m):
  non-PTH: 0.4% improvement
  PTH: 0.8% improvement


Modified:
    cfe/trunk/include/clang/Basic/FileManager.h
    cfe/trunk/lib/Basic/FileManager.cpp

Modified: cfe/trunk/include/clang/Basic/FileManager.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/FileManager.h?rev=63159&r1=63158&r2=63159&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/FileManager.h (original)
+++ cfe/trunk/include/clang/Basic/FileManager.h Tue Jan 27 18:44:12 2009
@@ -16,6 +16,7 @@
 
 #include "llvm/ADT/StringMap.h"
 #include "llvm/Bitcode/SerializationFwd.h"
+#include "llvm/Support/Allocator.h"
 #include <map>
 #include <set>
 #include <string>
@@ -86,8 +87,8 @@
   /// DirEntries/FileEntries - This is a cache of directory/file entries we have
   /// looked up.  The actual Entry is owned by UniqueFiles/UniqueDirs above.
   ///
-  llvm::StringMap<DirectoryEntry*> DirEntries;
-  llvm::StringMap<FileEntry*> FileEntries;
+  llvm::StringMap<DirectoryEntry*, llvm::BumpPtrAllocator> DirEntries;
+  llvm::StringMap<FileEntry*, llvm::BumpPtrAllocator> FileEntries;
   
   /// NextFileUID - Each FileEntry we create is assigned a unique ID #.
   ///

Modified: cfe/trunk/lib/Basic/FileManager.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/FileManager.cpp?rev=63159&r1=63158&r2=63159&view=diff

==============================================================================
--- cfe/trunk/lib/Basic/FileManager.cpp (original)
+++ cfe/trunk/lib/Basic/FileManager.cpp Tue Jan 27 18:44:12 2009
@@ -22,7 +22,6 @@
 #include "llvm/Bitcode/Serialize.h"
 #include "llvm/Bitcode/Deserialize.h"
 #include "llvm/Support/Streams.h"
-#include "llvm/Support/Allocator.h"
 #include "llvm/Config/config.h"
 using namespace clang;