Teach SplitVectorOp how to split INSERT_VECTOR_ELT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42457 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index ffb2a66..2fc8b0a 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -5837,6 +5837,18 @@
Lo = Node->getOperand(0);
Hi = Node->getOperand(1);
break;
+ case ISD::INSERT_VECTOR_ELT: {
+ SplitVectorOp(Node->getOperand(0), Lo, Hi);
+ unsigned Index = cast<ConstantSDNode>(Node->getOperand(2))->getValue();
+ SDOperand ScalarOp = Node->getOperand(1);
+ if (Index < NewNumElts)
+ Lo = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT, Lo, ScalarOp,
+ DAG.getConstant(Index, TLI.getPointerTy()));
+ else
+ Hi = DAG.getNode(ISD::INSERT_VECTOR_ELT, NewVT, Hi, ScalarOp,
+ DAG.getConstant(Index - NewNumElts, TLI.getPointerTy()));
+ break;
+ }
case ISD::BUILD_VECTOR: {
SmallVector<SDOperand, 8> LoOps(Node->op_begin(),
Node->op_begin()+NewNumElts);