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/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index fb22beb..08e1ed7 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -102,8 +102,10 @@
     /// void
     llvm::Type *VoidTy;
 
-    /// i8, i32, and i64
-    llvm::IntegerType *Int8Ty, *Int32Ty, *Int64Ty;
+    /// i8, i16, i32, and i64
+    llvm::IntegerType *Int8Ty, *Int16Ty, *Int32Ty, *Int64Ty;
+    /// float, double
+    llvm::Type *FloatTy, *DoubleTy;
 
     /// int
     llvm::IntegerType *IntTy;