Fix a powerpc crash on CodeGen/Generic/llvm-ct-intrinsics.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23694 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 0098a56a9a241f67b03555c4f7206b7748aff382..db9af8ac518aa9abc7dfe62c0e2af8526ad3be24 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -724,7 +724,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) {
       return DAG.getNode(ISD::AND, VT, N0.getOperand(0), N1);
   }
   // fold (and (or x, 0xFFFF), 0xFF) -> 0xFF
-  if (N0.getOpcode() == ISD::OR)
+  if (N0.getOpcode() == ISD::OR && N1C)
     if (ConstantSDNode *ORI = dyn_cast<ConstantSDNode>(N0.getOperand(1)))
       if ((ORI->getValue() & N1C->getValue()) == N1C->getValue())
         return N1;