Fix PR1011 and CodeGen/Generic/2006-11-20-DAGCombineCrash.ll
llvm-svn: 31878
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index b74fbae..4499069 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2180,10 +2180,10 @@
// fold (truncate (ext x)) -> (ext x) or (truncate x) or x
if (N0.getOpcode() == ISD::ZERO_EXTEND || N0.getOpcode() == ISD::SIGN_EXTEND||
N0.getOpcode() == ISD::ANY_EXTEND) {
- if (N0.getValueType() < VT)
+ if (N0.getOperand(0).getValueType() < VT)
// if the source is smaller than the dest, we still need an extend
return DAG.getNode(N0.getOpcode(), VT, N0.getOperand(0));
- else if (N0.getValueType() > VT)
+ else if (N0.getOperand(0).getValueType() > VT)
// if the source is larger than the dest, than we just need the truncate
return DAG.getNode(ISD::TRUNCATE, VT, N0.getOperand(0));
else