1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 0a3ebd73d272..eed3d820c120 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -10447,7 +10447,8 @@ SDValue DAGCombiner::combineMinNumMaxNum(const SDLoc &DL, EVT VT, SDValue LHS,
       if (NegRHS == False) {
         SDValue Combined = combineMinNumMaxNumImpl(DL, VT, LHS, RHS, NegTrue,
                                                    False, CC, TLI, DAG);
-        return DAG.getNode(ISD::FNEG, DL, VT, Combined);
+        if (Combined)
+          return DAG.getNode(ISD::FNEG, DL, VT, Combined);
       }
     }
   }
@@ -12453,7 +12454,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
   if (N0.getOpcode() == ISD::SIGN_EXTEND_INREG) {
     SDValue N00 = N0.getOperand(0);
     EVT ExtVT = cast<VTSDNode>(N0->getOperand(1))->getVT();
-    if (N00.getOpcode() == ISD::TRUNCATE && (!LegalOperations || TLI.isTypeLegal(ExtVT))) {
+    if (N00.getOpcode() == ISD::TRUNCATE &&
+        (!LegalTypes || TLI.isTypeLegal(ExtVT))) {
       SDValue T = DAG.getNode(ISD::TRUNCATE, DL, ExtVT, N00.getOperand(0));
       return DAG.getNode(ISD::SIGN_EXTEND, DL, VT, T);
     }