Addressed PR nit comments

Author: sumitsays

llvm/lib/Target/DirectX/DXILLegalizePass.cpp

@@ -407,7 +407,7 @@ static void removeMemSet(Instruction &I,
 
 static void updateFnegToFsub(Instruction &I,
                              SmallVectorImpl<Instruction *> &ToRemove,
-                             DenseMap<Value *, Value *> &ReplacedValues) {
+                             DenseMap<Value *, Value *> &) {
   const Intrinsic::ID ID = I.getOpcode();
   if(ID != Instruction::FNeg)
     return;

llvm/test/CodeGen/DirectX/legalize-fneg.ll

@@ -20,4 +20,4 @@ define double @negateD(double %x) {
 entry:  
   %y = fneg double %x
   ret double %y
-}
+}