Fix a miscompilation in crafty due to a recent patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24706 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index acd80cf0dcfd7f8a7a9a37f090b5f69c339cb0fb..c7cc6916ab967f0f2ff51737935f80e9c9850688 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -1582,7 +1582,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) {
   // fold (zext (truncate x)) -> (zextinreg x) iff x size == zext size.
   if (N0.getOpcode() == ISD::TRUNCATE && N0.getOperand(0).getValueType() == VT&&
       !AfterLegalize)
-    return DAG.getZeroExtendInReg(N0.getOperand(0), VT);
+    return DAG.getZeroExtendInReg(N0.getOperand(0), N0.getValueType());
   // fold (zext (load x)) -> (zext (truncate (zextload x)))
   if (N0.getOpcode() == ISD::LOAD && N0.hasOneUse()) {
     SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, N0.getOperand(0),