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[VE] Fix breakage after D118981

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VE backend code expected all VP SDNode to have a mask parameter.  This
is not the case with vp.select|merge after D118981.
This commit is contained in:
Simon Moll 2022-02-15 18:55:08 +01:00
parent 75044e9b4f
commit de42307e44
1 changed files with 12 additions and 8 deletions
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20
llvm/lib/Target/VE/VEISelLowering.cpp
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@ -2710,17 +2710,21 @@ SDValue VETargetLowering::lowerToVVP(SDValue Op, SelectionDAG &DAG) const {
if (FromVP) {
// All upstream VP SDNodes always have a mask and avl.
auto MaskIdx = ISD::getVPMaskIdx(Opcode).getValue();
auto AVLIdx = ISD::getVPExplicitVectorLengthIdx(Opcode).getValue();
Mask = Op->getOperand(MaskIdx);
AVL = Op->getOperand(AVLIdx);
auto MaskIdx = ISD::getVPMaskIdx(Opcode);
auto AVLIdx = ISD::getVPExplicitVectorLengthIdx(Opcode);
if (MaskIdx)
Mask = Op->getOperand(*MaskIdx);
if (AVLIdx)
AVL = Op->getOperand(*AVLIdx);
} else {
// Materialize the VL parameter.
AVL = CDAG.getConstant(OpVecVT.getVectorNumElements(), MVT::i32);
Mask = CDAG.getConstantMask(Packing, true);
}
// Materialize default mask and avl.
if (!AVL)
AVL = CDAG.getConstant(OpVecVT.getVectorNumElements(), MVT::i32);
if (!Mask)
Mask = CDAG.getConstantMask(Packing, true);
if (isVVPBinaryOp(VVPOpcode)) {
assert(LegalVecVT.isSimple());
return CDAG.getNode(VVPOpcode, LegalVecVT,