Don't use MVT::i1

Author: ckoparkar

llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

@@ -6200,11 +6200,12 @@ SDValue DAGCombiner::visitIMINMAX(SDNode *N) {
     return SD;
 
   // (umin (sub a, b) a) -> (usubo a, b); (select usubo.1, a, usubo.0)
-  if (N0.getOpcode() == ISD::SUB) {
+  {
     SDValue A, B;
     if (sd_match(N, m_UMin(m_Sub(m_Value(A), m_Value(B)), m_Deferred(A)))) {
       if (TLI.isOperationLegalOrCustom(ISD::USUBO, VT)) {
-        SDVTList VTs = DAG.getVTList(VT, MVT::i1);
+        EVT SETCCT = getSetCCResultType(VT);
+        SDVTList VTs = DAG.getVTList(VT, SETCCT);
         SDValue USO = DAG.getNode(ISD::USUBO, DL, VTs, A, B);
         return DAG.getSelect(DL, VT, USO.getValue(1), A, USO.getValue(0));
       }