76       if (auto *LI = dyn_cast<LoadInst>(I)) {  in isOnlyCopiedFromConstantMemory()  local
78         if (!LI->isSimple()) return false;  in isOnlyCopiedFromConstantMemory()
563 LoadInst *InstCombinerImpl::combineLoadToNewType(LoadInst &LI, Type *NewTy,  in combineLoadToNewType()  argument
565   assert((!LI.isAtomic() || isSupportedAtomicType(NewTy)) &&  in combineLoadToNewType()
569       Builder.CreateAlignedLoad(NewTy, LI.getPointerOperand(), LI.getAlign(),  in combineLoadToNewType()
570                                 LI.isVolatile(), LI.getName() + Suffix);  in combineLoadToNewType()
571   NewLoad->setAtomic(LI.getOrdering(), LI.getSyncScopeID());  in combineLoadToNewType()
572   copyMetadataForLoad(*NewLoad, LI);  in combineLoadToNewType()
694 static Instruction *unpackLoadToAggregate(InstCombinerImpl &IC, LoadInst &LI) {  in unpackLoadToAggregate()  argument
697   if (!LI.isSimple())  in unpackLoadToAggregate()
700   Type *T = LI.getType();  in unpackLoadToAggregate()
704   StringRef Name = LI.getName();  in unpackLoadToAggregate()
710       LoadInst *NewLoad = IC.combineLoadToNewType(LI, ST->getTypeAtIndex(0U),  in unpackLoadToAggregate()
712       NewLoad->setAAMetadata(LI.getAAMetadata());  in unpackLoadToAggregate()
713       return IC.replaceInstUsesWith(LI, IC.Builder.CreateInsertValue(  in unpackLoadToAggregate()
729     const auto Align = LI.getAlign();  in unpackLoadToAggregate()
730     auto *Addr = LI.getPointerOperand();  in unpackLoadToAggregate()
746       L->setAAMetadata(LI.getAAMetadata());  in unpackLoadToAggregate()
751     return IC.replaceInstUsesWith(LI, V);  in unpackLoadToAggregate()
758       LoadInst *NewLoad = IC.combineLoadToNewType(LI, ET, ".unpack");  in unpackLoadToAggregate()
759       NewLoad->setAAMetadata(LI.getAAMetadata());  in unpackLoadToAggregate()
760       return IC.replaceInstUsesWith(LI, IC.Builder.CreateInsertValue(  in unpackLoadToAggregate()
773     const auto Align = LI.getAlign();  in unpackLoadToAggregate()
775     auto *Addr = LI.getPointerOperand();  in unpackLoadToAggregate()
791       L->setAAMetadata(LI.getAAMetadata());  in unpackLoadToAggregate()
797     return IC.replaceInstUsesWith(LI, V);  in unpackLoadToAggregate()
993 static bool canSimplifyNullLoadOrGEP(LoadInst &LI, Value *Op) {  in canSimplifyNullLoadOrGEP()  argument
997         !NullPointerIsDefined(LI.getFunction(), GEPI->getPointerAddressSpace()))  in canSimplifyNullLoadOrGEP()
1002        !NullPointerIsDefined(LI.getFunction(), LI.getPointerAddressSpace())))  in canSimplifyNullLoadOrGEP()
1007 Instruction *InstCombinerImpl::visitLoadInst(LoadInst &LI) {  in visitLoadInst()  argument
1008   Value *Op = LI.getOperand(0);  in visitLoadInst()
1009   if (Value *Res = simplifyLoadInst(&LI, Op, SQ.getWithInstruction(&LI)))  in visitLoadInst()
1010     return replaceInstUsesWith(LI, Res);  in visitLoadInst()
1013   if (Instruction *Res = combineLoadToOperationType(*this, LI))  in visitLoadInst()
1019         Op, DL.getPrefTypeAlign(LI.getType()), DL, &LI, &AC, &DT);  in visitLoadInst()
1020     if (KnownAlign > LI.getAlign())  in visitLoadInst()
1021       LI.setAlignment(KnownAlign);  in visitLoadInst()
1025   if (Instruction *NewGEPI = replaceGEPIdxWithZero(*this, Op, LI))  in visitLoadInst()
1026     return replaceOperand(LI, 0, NewGEPI);  in visitLoadInst()
1028   if (Instruction *Res = unpackLoadToAggregate(*this, LI))  in visitLoadInst()
1036   if (Value *AvailableVal = FindAvailableLoadedValue(&LI, BatchAA, &IsLoadCSE)) {  in visitLoadInst()
1038       combineMetadataForCSE(cast<LoadInst>(AvailableVal), &LI, false);  in visitLoadInst()
1041         LI, Builder.CreateBitOrPointerCast(AvailableVal, LI.getType(),  in visitLoadInst()
1042                                            LI.getName() + ".cast"));  in visitLoadInst()
1047   if (!LI.isUnordered()) return nullptr;  in visitLoadInst()
1052   if (canSimplifyNullLoadOrGEP(LI, Op)) {  in visitLoadInst()
1053     CreateNonTerminatorUnreachable(&LI);  in visitLoadInst()
1054     return replaceInstUsesWith(LI, PoisonValue::get(LI.getType()));  in visitLoadInst()
1070       Align Alignment = LI.getAlign();  in visitLoadInst()
1071       if (isSafeToLoadUnconditionally(SI->getOperand(1), LI.getType(),  in visitLoadInst()
1073           isSafeToLoadUnconditionally(SI->getOperand(2), LI.getType(),  in visitLoadInst()
1076             Builder.CreateLoad(LI.getType(), SI->getOperand(1),  in visitLoadInst()
1079             Builder.CreateLoad(LI.getType(), SI->getOperand(2),  in visitLoadInst()
1081         assert(LI.isUnordered() && "implied by above");  in visitLoadInst()
1083         V1->setAtomic(LI.getOrdering(), LI.getSyncScopeID());  in visitLoadInst()
1085         V2->setAtomic(LI.getOrdering(), LI.getSyncScopeID());  in visitLoadInst()
1092                                 LI.getPointerAddressSpace()))  in visitLoadInst()
1093         return replaceOperand(LI, 0, SI->getOperand(2));  in visitLoadInst()
1098                                 LI.getPointerAddressSpace()))  in visitLoadInst()
1099         return replaceOperand(LI, 0, SI->getOperand(1));  in visitLoadInst()
1437     if (LoadInst *LI = dyn_cast<LoadInst>(BBI)) {  in visitStoreInst()  local
1438       if (LI == Val && equivalentAddressValues(LI->getOperand(0), Ptr)) {  in visitStoreInst()