Change 'TypeCache' from being an std::map to a llvm::DenseMap. This reduces codegen time

on one .i file from 403.gcc by 0.5%.

llvm-svn: 99823

2 files changed, 2 insertions, 2 deletions

diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 97e99ea1e08..d8a9f36c825 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1212,7 +1212,7 @@ llvm::DIType CGDebugInfo::getOrCreateType(QualType Ty,
   Ty = UnwrapTypeForDebugInfo(Ty);
   
   // Check for existing entry.
-  std::map<void *, llvm::WeakVH>::iterator it =
+  llvm::DenseMap<void *, llvm::WeakVH>::iterator it =
     TypeCache.find(Ty.getAsOpaquePtr());
   if (it != TypeCache.end()) {
     // Verify that the debug info still exists.
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index 47a46204834..3a9a4cc12b9 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -53,7 +53,7 @@ class CGDebugInfo {
   
   /// TypeCache - Cache of previously constructed Types.
   // FIXME: Eliminate this map.  Be careful of iterator invalidation.
-  std::map<void *, llvm::WeakVH> TypeCache;
+  llvm::DenseMap<void *, llvm::WeakVH> TypeCache;
 
   bool BlockLiteralGenericSet;
   llvm::DIType BlockLiteralGeneric;