new nodes should be added to the worklist, not old nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62359 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 8b98466..46c62ca 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -3358,7 +3358,7 @@
: DAG.getExtLoad(ExtType, VT, LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset() + PtrOff,
EVT, LN0->isVolatile(), NewAlign);
- AddToWorkList(N);
+ AddToWorkList(Load.Node);
if (CombineSRL) {
WorkListRemover DeadNodes(*this);
DAG.ReplaceAllUsesOfValueWith(N0.getValue(1), Load.getValue(1),
@@ -3366,6 +3366,7 @@
CombineTo(N->getOperand(0).getNode(), Load);
} else
CombineTo(N0.getNode(), Load, Load.getValue(1));
+
if (ShAmt) {
if (Opc == ISD::SIGN_EXTEND_INREG)
return DAG.getNode(Opc, VT, Load, N->getOperand(1));