42     auto* FirstInst = cast<Instruction>(PN.getIncomingValue(0));  in PHIArgMergedDebugLoc()  local
43     Inst->setDebugLoc(FirstInst->getDebugLoc());  in PHIArgMergedDebugLoc()
293     Instruction* FirstInst = cast<Instruction>(PN.getIncomingValue(0));  in FoldPHIArgBinOpIntoPHI()  local
294     IGC_ASSERT(isa<BinaryOperator>(FirstInst) || isa<CmpInst>(FirstInst));  in FoldPHIArgBinOpIntoPHI()
295     unsigned Opc = FirstInst->getOpcode();  in FoldPHIArgBinOpIntoPHI()
296     Value* LHSVal = FirstInst->getOperand(0);  in FoldPHIArgBinOpIntoPHI()
297     Value* RHSVal = FirstInst->getOperand(1);  in FoldPHIArgBinOpIntoPHI()
314             if (CI->getPredicate() != cast<CmpInst>(FirstInst)->getPredicate())  in FoldPHIArgBinOpIntoPHI()
331     Value* InLHS = FirstInst->getOperand(0);  in FoldPHIArgBinOpIntoPHI()
332     Value* InRHS = FirstInst->getOperand(1);  in FoldPHIArgBinOpIntoPHI()
336             FirstInst->getOperand(0)->getName() + ".pn");  in FoldPHIArgBinOpIntoPHI()
344             FirstInst->getOperand(1)->getName() + ".pn");  in FoldPHIArgBinOpIntoPHI()
365     if (CmpInst * CIOp = dyn_cast<CmpInst>(FirstInst)) {  in FoldPHIArgBinOpIntoPHI()
372     BinaryOperator* BinOp = cast<BinaryOperator>(FirstInst);  in FoldPHIArgBinOpIntoPHI()
386     GetElementPtrInst* FirstInst = cast<GetElementPtrInst>(PN.getIncomingValue(0));  in FoldPHIArgGEPIntoPHI()  local
388     SmallVector<Value*, 16> FixedOperands(FirstInst->op_begin(),  in FoldPHIArgGEPIntoPHI()
389         FirstInst->op_end());  in FoldPHIArgGEPIntoPHI()
404         if (!GEP || !GEP->hasOneUse() || GEP->getType() != FirstInst->getType() ||  in FoldPHIArgGEPIntoPHI()
405             GEP->getNumOperands() != FirstInst->getNumOperands())  in FoldPHIArgGEPIntoPHI()
417         for (unsigned op = 0, e = FirstInst->getNumOperands(); op != e; ++op) {  in FoldPHIArgGEPIntoPHI()
418             if (FirstInst->getOperand(op) == GEP->getOperand(op))  in FoldPHIArgGEPIntoPHI()
426             if (isa<ConstantInt>(FirstInst->getOperand(op)) ||  in FoldPHIArgGEPIntoPHI()
430             if (FirstInst->getOperand(op)->getType() != GEP->getOperand(op)->getType())  in FoldPHIArgGEPIntoPHI()
461         Value* FirstOp = FirstInst->getOperand(i);  in FoldPHIArgGEPIntoPHI()
487         GetElementPtrInst::Create(FirstInst->getSourceElementType(), Base,  in FoldPHIArgGEPIntoPHI()
741     Instruction* FirstInst = cast<Instruction>(PN.getIncomingValue(0));  in FoldPHIArgOpIntoPHI()  local
743     if (isa<GetElementPtrInst>(FirstInst))  in FoldPHIArgOpIntoPHI()
745     if (isa<LoadInst>(FirstInst))  in FoldPHIArgOpIntoPHI()
755     if (isa<CastInst>(FirstInst)) {  in FoldPHIArgOpIntoPHI()
756         CastSrcTy = FirstInst->getOperand(0)->getType();  in FoldPHIArgOpIntoPHI()
765     else if (isa<BinaryOperator>(FirstInst) || isa<CmpInst>(FirstInst)) {  in FoldPHIArgOpIntoPHI()
768         ConstantOp = dyn_cast<Constant>(FirstInst->getOperand(1));  in FoldPHIArgOpIntoPHI()
779         if (!I || !I->hasOneUse() || !I->isSameOperationAs(FirstInst))  in FoldPHIArgOpIntoPHI()
792     PHINode* NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),  in FoldPHIArgOpIntoPHI()
796     Value* InVal = FirstInst->getOperand(0);  in FoldPHIArgOpIntoPHI()
820     if (CastInst * FirstCI = dyn_cast<CastInst>(FirstInst)) {  in FoldPHIArgOpIntoPHI()
827     if (BinaryOperator * BinOp = dyn_cast<BinaryOperator>(FirstInst)) {  in FoldPHIArgOpIntoPHI()
838     CmpInst* CIOp = cast<CmpInst>(FirstInst);  in FoldPHIArgOpIntoPHI()