[X86] Use cached OptForSize in X86ISelDAGToDAG.cpp instead of pulling it from the...

llvm-svn: 357297

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 1832cd2..444df1a 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -2690,8 +2690,7 @@ bool X86DAGToDAGISel::foldLoadStoreIntoMemOperand(SDNode *Node) {
   case X86ISD::ADD:
   case X86ISD::SUB:
     // Try to match inc/dec.
-    if (!Subtarget->slowIncDec() ||
-        CurDAG->getMachineFunction().getFunction().optForSize()) {
+    if (!Subtarget->slowIncDec() || OptForSize) {
       bool IsOne = isOneConstant(StoredVal.getOperand(1));
       bool IsNegOne = isAllOnesConstant(StoredVal.getOperand(1));
       // ADD/SUB with 1/-1 and carry flag isn't used can use inc/dec.