744   if (isa<PoisonValue>(Op0) || isa<PoisonValue>(Op1))  in SimplifySubInst()
745     return PoisonValue::get(Op0->getType());  in SimplifySubInst()
883   if (isa<PoisonValue>(Op1))  in SimplifyMulInst()
951     return PoisonValue::get(Ty);  in simplifyDivRem()
957     return PoisonValue::get(Ty);  in simplifyDivRem()
968         return PoisonValue::get(Ty);  in simplifyDivRem()
974   if (isa<PoisonValue>(Op0))  in simplifyDivRem()
1264   if (isa<PoisonValue>(Op0))  in SimplifyShift()
1281     return PoisonValue::get(Op0->getType());  in SimplifyShift()
1299     return PoisonValue::get(Op0->getType());  in SimplifyShift()
1319       return PoisonValue::get(Op0->getType());  in SimplifyShift()
2011   if (isa<PoisonValue>(Op1))  in SimplifyAndInst()
2183   if (isa<PoisonValue>(Op1))  in SimplifyOrInst()
3388   if (isa<PoisonValue>(RHS))  in SimplifyICmpInst()
3389     return PoisonValue::get(ITy);  in SimplifyICmpInst()
3725   if (isa<PoisonValue>(LHS) || isa<PoisonValue>(RHS))  in SimplifyFCmpInst()
3726     return PoisonValue::get(RetTy);  in SimplifyFCmpInst()
4212     if (isa<PoisonValue>(CondC))  in SimplifySelectInst()
4213       return PoisonValue::get(TrueVal->getType());  in SimplifySelectInst()
4247   if (isa<PoisonValue>(TrueVal) ||  in SimplifySelectInst()
4253   if (isa<PoisonValue>(FalseVal) ||  in SimplifySelectInst()
4277       else if (isa<PoisonValue>(TEltC) ||  in SimplifySelectInst()
4280       else if (isa<PoisonValue>(FEltC) ||  in SimplifySelectInst()
4338   if (any_of(Ops, [](const auto *V) { return isa<PoisonValue>(V); }))  in SimplifyGEPInst()
4339     return PoisonValue::get(GEPTy);  in SimplifyGEPInst()
4491       return PoisonValue::get(Vec->getType());  in SimplifyInsertElementInst()
4496     return PoisonValue::get(Vec->getType());  in SimplifyInsertElementInst()
4500   if (isa<PoisonValue>(Val) ||  in SimplifyInsertElementInst()
4559     return PoisonValue::get(VecVTy->getElementType());  in SimplifyExtractElementInst()
4567       return PoisonValue::get(VecVTy->getElementType());  in SimplifyExtractElementInst()
4745       Op0 = PoisonValue::get(InVecTy);  in SimplifyShuffleVectorInst()
4747       Op1 = PoisonValue::get(InVecTy);  in SimplifyShuffleVectorInst()
4884     return PoisonValue::get(Ops[0]->getType());  in simplifyFPOp()
4895       return PoisonValue::get(V->getType());  in simplifyFPOp()
4897       return PoisonValue::get(V->getType());  in simplifyFPOp()
5983     return PoisonValue::get(Call->getType());  in SimplifyCall()