clean up

Author: inbelic

llvm/lib/Target/DirectX/DXILRefineTypes.cpp

@@ -8,7 +8,6 @@
 
 #include "DXILRefineTypes.h"
 #include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Intrinsics.h"
@@ -32,9 +31,6 @@ static Type *inferType(Value *Operand) {
   return nullptr;
 }
 
-// Attempt to merge two inferred types.
-//
-// Returns nullptr, if an inferred can't be concluded
 static Type *mergeInferredTypes(Type *A, Type *B) {
   if (!A)
     return B;

llvm/test/CodeGen/DirectX/refine-access-load-store.ll

@@ -122,6 +122,9 @@ declare void @external_barrier(ptr)
 
 ;--- folded.ll
 
+; This tests that when there is no function call to prevent folding, the type
+; will still successfully be replaced.
+
 ; FOLDED-LABEL: @test_folded(
 ; FOLDED: %[[#TO:]] = load %struct.PromotedStruct, ptr %get_access
 ; FOLDED: store %struct.PromotedStruct %[[#TO]], ptr %set_access