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Remove unused variable (rolling it into an assert)

This commit is contained in:
David Blaikie 2021-03-09 15:50:25 -08:00
parent 875891a10d
commit b627802e81
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerLowering.cpp
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@ -692,7 +692,6 @@ bool applyDupLane(MachineInstr &MI, MachineRegisterInfo &MRI,
assert(MI.getOpcode() == TargetOpcode::G_SHUFFLE_VECTOR); assert(MI.getOpcode() == TargetOpcode::G_SHUFFLE_VECTOR);
Register Src1Reg = MI.getOperand(1).getReg(); Register Src1Reg = MI.getOperand(1).getReg();
const LLT SrcTy = MRI.getType(Src1Reg); const LLT SrcTy = MRI.getType(Src1Reg);
const LLT DstTy = MRI.getType(MI.getOperand(0).getReg());
B.setInstrAndDebugLoc(MI); B.setInstrAndDebugLoc(MI);
auto Lane = B.buildConstant(LLT::scalar(64), MatchInfo.second); auto Lane = B.buildConstant(LLT::scalar(64), MatchInfo.second);
@ -701,7 +700,8 @@ bool applyDupLane(MachineInstr &MI, MachineRegisterInfo &MRI,
// For types like <2 x s32>, we can use G_DUPLANE32, with a <4 x s32> source. // For types like <2 x s32>, we can use G_DUPLANE32, with a <4 x s32> source.
// To do this, we can use a G_CONCAT_VECTORS to do the widening. // To do this, we can use a G_CONCAT_VECTORS to do the widening.
if (SrcTy == LLT::vector(2, LLT::scalar(32))) { if (SrcTy == LLT::vector(2, LLT::scalar(32))) {
assert(DstTy.getNumElements() == 2 && "Unexpected dest elements"); assert(MRI.getType(MI.getOperand(0).getReg()).getNumElements() == 2 &&
"Unexpected dest elements");
auto Undef = B.buildUndef(SrcTy); auto Undef = B.buildUndef(SrcTy);
DupSrc = B.buildConcatVectors(SrcTy.changeNumElements(4), DupSrc = B.buildConcatVectors(SrcTy.changeNumElements(4),
{Src1Reg, Undef.getReg(0)}) {Src1Reg, Undef.getReg(0)})