From a179ab3016a08051c34ba82d7feaeb4198702a60 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 11 Oct 2005 17:56:34 +0000
Subject: [PATCH] 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
---
 lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 0098a56a9a2..db9af8ac518 100644
--- 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;
-- 
2.34.1