More #include cleaning
 - Remove internal uses of AST.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54628 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenTypes.cpp b/lib/CodeGen/CodeGenTypes.cpp
index dcdacf3..d57550d 100644
--- a/lib/CodeGen/CodeGenTypes.cpp
+++ b/lib/CodeGen/CodeGenTypes.cpp
@@ -13,7 +13,8 @@
 
 #include "CodeGenTypes.h"
 #include "clang/Basic/TargetInfo.h"
-#include "clang/AST/AST.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Expr.h"
 #include "clang/AST/RecordLayout.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Module.h"