simplify a bunch of code to use the well-known LLVM IR types computed by CodeGenModule.

llvm-svn: 149943
diff --git a/clang/lib/CodeGen/CGVTT.cpp b/clang/lib/CodeGen/CGVTT.cpp
index 34e34b2..98be872 100644
--- a/clang/lib/CodeGen/CGVTT.cpp
+++ b/clang/lib/CodeGen/CGVTT.cpp
@@ -43,8 +43,7 @@
                                   const CXXRecordDecl *RD) {
   VTTBuilder Builder(CGM.getContext(), RD, /*GenerateDefinition=*/true);
 
-  llvm::Type *Int8PtrTy = llvm::Type::getInt8PtrTy(CGM.getLLVMContext()),
-             *Int64Ty = llvm::Type::getInt64Ty(CGM.getLLVMContext());
+  llvm::Type *Int8PtrTy = CGM.Int8PtrTy, *Int64Ty = CGM.Int64Ty;
   llvm::ArrayType *ArrayType = 
     llvm::ArrayType::get(Int8PtrTy, Builder.getVTTComponents().size());
   
@@ -111,10 +110,8 @@
 
   VTTBuilder Builder(CGM.getContext(), RD, /*GenerateDefinition=*/false);
 
-  llvm::Type *Int8PtrTy = 
-    llvm::Type::getInt8PtrTy(CGM.getLLVMContext());
   llvm::ArrayType *ArrayType = 
-    llvm::ArrayType::get(Int8PtrTy, Builder.getVTTComponents().size());
+    llvm::ArrayType::get(CGM.Int8PtrTy, Builder.getVTTComponents().size());
 
   llvm::GlobalVariable *GV =
     CGM.CreateOrReplaceCXXRuntimeVariable(Name, ArrayType,