Convert a std::map that usually has between 0 and 10 elements to SmallMap.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155570 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/CXXInheritance.h b/include/clang/AST/CXXInheritance.h
index 44c554b606c4a3debbd8d116a63bd2ba07d10032..814e2761da12597056c593222ab3a0073c2252c1 100644 (file)
--- a/include/clang/AST/CXXInheritance.h
+++ b/include/clang/AST/CXXInheritance.h
@@ -19,7 +19,7 @@
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/Type.h"
 #include "clang/AST/TypeOrdering.h"
-#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallMap.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include <list>
@@ -128,8 +128,7 @@ class CXXBasePaths {
   /// while the element contains the number of non-virtual base
   /// class subobjects for that class type. The key of the map is
   /// the cv-unqualified canonical type of the base class subobject.
-  std::map<QualType, std::pair<bool, unsigned>, QualTypeOrdering>
-    ClassSubobjects;
+  llvm::SmallMap<QualType, std::pair<bool, unsigned>, 8> ClassSubobjects;
   
   /// FindAmbiguities - Whether Sema::IsDerivedFrom should try find
   /// ambiguous paths while it is looking for a path from a derived