commit a179ab3016a08051c34ba82d7feaeb4198702a60
author Chris Lattner <sabre@nondot.org> Tue Oct 11 17:56:34 2005 +0000
committer Chris Lattner <sabre@nondot.org> Tue Oct 11 17:56:34 2005 +0000
tree 6fdd1b9898005c40a6e823cea039980839cdd556
parent 05b57433e68de3ba0f6eb01f4a0271fee3abeb09

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

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 0098a56..db9af8a 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -724,7 +724,7 @@
       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;