Fixed scalarizing an extract subvector and prevent an infinite loop
when simplify a vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58820 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f9d1ddc..c17ef9c 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -7516,8 +7516,8 @@
break;
}
case ISD::EXTRACT_SUBVECTOR:
- Result = Node->getOperand(0);
- assert(Result.getValueType() == NewVT);
+ Result = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, NewVT, Node->getOperand(0),
+ Node->getOperand(1));
break;
case ISD::BIT_CONVERT: {
SDValue Op0 = Op.getOperand(0);
@@ -8174,7 +8174,7 @@
SDValue VecOp = DAG.getNode(ISD::BIT_CONVERT, VecEVT, ValOp);
SDValue EOp = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, EVT, VecOp,
- DAG.getIntPtrConstant(0));
+ DAG.getIntPtrConstant(0));
SDValue StOp = DAG.getStore(Chain, EOp, BasePtr, SV, SVOffset,
isVolatile, Alignment);
StChain.push_back(StOp);