Implement split and scalarize for SELECT_CC, fixing PR2504
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52887 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f087496..c40a783 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -6895,6 +6895,22 @@
}
break;
}
+ case ISD::SELECT_CC: {
+ SDOperand CondLHS = Node->getOperand(0);
+ SDOperand CondRHS = Node->getOperand(1);
+ SDOperand CondCode = Node->getOperand(4);
+
+ SDOperand LL, LH, RL, RH;
+ SplitVectorOp(Node->getOperand(2), LL, LH);
+ SplitVectorOp(Node->getOperand(3), RL, RH);
+
+ // Handle a simple select with vector operands.
+ Lo = DAG.getNode(ISD::SELECT_CC, NewVT_Lo, CondLHS, CondRHS,
+ LL, RL, CondCode);
+ Hi = DAG.getNode(ISD::SELECT_CC, NewVT_Hi, CondLHS, CondRHS,
+ LH, RH, CondCode);
+ break;
+ }
case ISD::VSETCC: {
SDOperand LL, LH, RL, RH;
SplitVectorOp(Node->getOperand(0), LL, LH);
@@ -7122,6 +7138,13 @@
ScalarizeVectorOp(Op.getOperand(1)),
ScalarizeVectorOp(Op.getOperand(2)));
break;
+ case ISD::SELECT_CC:
+ Result = DAG.getNode(ISD::SELECT_CC, NewVT, Node->getOperand(0),
+ Node->getOperand(1),
+ ScalarizeVectorOp(Op.getOperand(2)),
+ ScalarizeVectorOp(Op.getOperand(3)),
+ Node->getOperand(4));
+ break;
case ISD::VSETCC: {
SDOperand Op0 = ScalarizeVectorOp(Op.getOperand(0));
SDOperand Op1 = ScalarizeVectorOp(Op.getOperand(1));