Remove chains. Unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59783 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 6 deletions

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index e2aad48a2c..7074c5980e 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -5148,7 +5148,6 @@ SDValue DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) {
 }
 
 SDValue DAGCombiner::visitSADDO(SDNode *N) {
-  SDValue Chain = N->getOperand(2);
   SDValue LHS = N->getOperand(0);
   SDValue RHS = N->getOperand(1);
 
@@ -5157,17 +5156,16 @@ SDValue DAGCombiner::visitSADDO(SDNode *N) {
   SDValue Cmp = DAG.getSetCC(MVT::i1, Sum, LHS, ISD::SETLT);
   AddToWorkList(Cmp.getNode());
 
-  MVT ValueVTs[] = { LHS.getValueType(), MVT::i1, MVT::Other };
-  SDValue Ops[] = { Sum, Cmp, Chain };
+  MVT ValueVTs[] = { LHS.getValueType(), MVT::i1 };
+  SDValue Ops[] = { Sum, Cmp };
 
-  SDValue Merge = DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], 3),
-                                     &Ops[0], 3);
+  SDValue Merge = DAG.getMergeValues(DAG.getVTList(&ValueVTs[0], 2),
+                                     &Ops[0], 2);
   SDNode *MNode = Merge.getNode();
 
   AddToWorkList(MNode);
   DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), SDValue(MNode, 0));
   DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), SDValue(MNode, 1));
-  DAG.ReplaceAllUsesOfValueWith(SDValue(N, 2), SDValue(MNode, 2));
 
   // Since the node is now dead, remove it from the graph.
   removeFromWorkList(N);