- Move conversion of [SU]ADDO from DAG combiner into legalizer.

- Add "promote integer type" stuff to the legalizer for these nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59847 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 34 deletions

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 13eede7424..eb6481c996 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -190,8 +190,6 @@ namespace {
     SDValue visitBUILD_VECTOR(SDNode *N);
     SDValue visitCONCAT_VECTORS(SDNode *N);
     SDValue visitVECTOR_SHUFFLE(SDNode *N);
-    SDValue visitSADDO(SDNode *N);
-    SDValue visitUADDO(SDNode *N);
 
     SDValue XformToShuffleWithZero(SDNode *N);
     SDValue ReassociateOps(unsigned Opc, SDValue LHS, SDValue RHS);
@@ -729,8 +727,6 @@ SDValue DAGCombiner::visit(SDNode *N) {
   case ISD::BUILD_VECTOR:       return visitBUILD_VECTOR(N);
   case ISD::CONCAT_VECTORS:     return visitCONCAT_VECTORS(N);
   case ISD::VECTOR_SHUFFLE:     return visitVECTOR_SHUFFLE(N);
-  case ISD::SADDO:              return visitSADDO(N);
-  case ISD::UADDO:              return visitUADDO(N);
   }
   return SDValue();
 }
@@ -5147,36 +5143,6 @@ SDValue DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) {
   return SDValue();
 }
 
-SDValue DAGCombiner::visitSADDO(SDNode *N) {
-  SDValue LHS = N->getOperand(0);
-  SDValue RHS = N->getOperand(1);
-
-  SDValue Sum = DAG.getNode(ISD::ADD, LHS.getValueType(), LHS, RHS);
-  AddToWorkList(Sum.getNode());
-  SDValue Cmp = DAG.getSetCC(MVT::i1, Sum, LHS, ISD::SETLT);
-  AddToWorkList(Cmp.getNode());
-
-  MVT ValueVTs[] = { LHS.getValueType(), MVT::i1 };
-  SDValue Ops[] = { Sum, Cmp };
-
-  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));
-
-  // Since the node is now dead, remove it from the graph.
-  removeFromWorkList(N);
-  DAG.DeleteNode(N);
-  return SDValue(N, 0);
-}
-
-SDValue DAGCombiner::visitUADDO(SDNode *N) {
-  return visitSADDO(N);
-}
-
 /// XformToShuffleWithZero - Returns a vector_shuffle if it able to transform
 /// an AND to a vector_shuffle with the destination vector and a zero vector.
 /// e.g. AND V, <0xffffffff, 0, 0xffffffff, 0>. ==>