36using namespace PatternMatch;
41 cl::desc(
"Use ConstantInt's native fixed-length vector splat support."));
44 cl::desc(
"Use ConstantFP's native fixed-length vector splat support."));
47 cl::desc(
"Use ConstantInt's native scalable vector splat support."));
50 cl::desc(
"Use ConstantFP's native scalable vector splat support."));
58 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
59 return CFP->isZero() && CFP->isNegative();
63 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
64 return SplatCFP->isNegativeZeroValue();
67 if (
getType()->isFPOrFPVectorTy())
78 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
83 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
84 return SplatCFP->isZero();
92 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
96 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
99 return CFP->isExactlyValue(+0.0);
103 return isa<ConstantAggregateZero>(
this) || isa<ConstantPointerNull>(
this) ||
104 isa<ConstantTokenNone>(
this) || isa<ConstantTargetNone>(
this);
109 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
110 return CI->isMinusOne();
113 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
114 return CFP->getValueAPF().bitcastToAPInt().isAllOnes();
119 return SplatVal->isAllOnesValue();
126 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
130 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
131 return CFP->getValueAPF().bitcastToAPInt().isOne();
136 return SplatVal->isOneValue();
143 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
144 return !CI->isOneValue();
147 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
148 return !CFP->getValueAPF().bitcastToAPInt().isOne();
151 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
152 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
163 return SplatVal->isNotOneValue();
171 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
172 return CI->isMinValue(
true);
175 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
176 return CFP->getValueAPF().bitcastToAPInt().isMinSignedValue();
181 return SplatVal->isMinSignedValue();
188 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
189 return !CI->isMinValue(
true);
192 if (
const ConstantFP *CFP = dyn_cast<ConstantFP>(
this))
193 return !CFP->getValueAPF().bitcastToAPInt().isMinSignedValue();
196 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
197 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
208 return SplatVal->isNotMinSignedValue();
215 if (
auto *CFP = dyn_cast<ConstantFP>(
this))
216 return CFP->getValueAPF().isFiniteNonZero();
218 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
219 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
221 if (!CFP || !CFP->getValueAPF().isFiniteNonZero())
228 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
229 return SplatCFP->isFiniteNonZeroFP();
236 if (
auto *CFP = dyn_cast<ConstantFP>(
this))
237 return CFP->getValueAPF().isNormal();
239 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
240 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
242 if (!CFP || !CFP->getValueAPF().isNormal())
249 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
250 return SplatCFP->isNormalFP();
257 if (
auto *CFP = dyn_cast<ConstantFP>(
this))
258 return CFP->getValueAPF().getExactInverse(
nullptr);
260 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
261 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
263 if (!CFP || !CFP->getValueAPF().getExactInverse(
nullptr))
270 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
271 return SplatCFP->hasExactInverseFP();
278 if (
auto *CFP = dyn_cast<ConstantFP>(
this))
281 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
282 for (
unsigned I = 0, E = VTy->getNumElements();
I != E; ++
I) {
284 if (!CFP || !CFP->isNaN())
291 if (
const auto *SplatCFP = dyn_cast_or_null<ConstantFP>(
getSplatValue()))
292 return SplatCFP->isNaN();
304 auto *VTy = dyn_cast<VectorType>(
getType());
305 if (!isa<Constant>(
Y) || !VTy || VTy !=
Y->getType())
309 if (!(VTy->getElementType()->isIntegerTy() ||
310 VTy->getElementType()->isFloatingPointTy()))
319 return CmpEq && (isa<PoisonValue>(CmpEq) ||
match(CmpEq,
m_One()));
325 if (
auto *VTy = dyn_cast<VectorType>(
C->getType())) {
328 if (isa<ConstantAggregateZero>(
C))
330 if (isa<ScalableVectorType>(
C->getType()))
333 for (
unsigned i = 0, e = cast<FixedVectorType>(VTy)->getNumElements();
335 if (
Constant *Elem =
C->getAggregateElement(i))
346 this, [&](
const auto *
C) {
return isa<UndefValue>(
C); });
351 this, [&](
const auto *
C) {
return isa<PoisonValue>(
C); });
356 return isa<UndefValue>(
C) && !isa<PoisonValue>(
C);
361 if (
auto *VTy = dyn_cast<FixedVectorType>(
getType())) {
362 for (
unsigned i = 0, e = VTy->getNumElements(); i != e; ++i)
373 return ConstantInt::get(Ty, 0);
407 if (
PointerType *PTy = dyn_cast<PointerType>(ScalarTy))
411 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
434 "Must be an aggregate/vector constant");
436 if (
const auto *
CC = dyn_cast<ConstantAggregate>(
this))
437 return Elt <
CC->getNumOperands() ?
CC->getOperand(Elt) :
nullptr;
439 if (
const auto *CAZ = dyn_cast<ConstantAggregateZero>(
this))
440 return Elt < CAZ->getElementCount().getKnownMinValue()
441 ? CAZ->getElementValue(Elt)
445 if (isa<ScalableVectorType>(
getType()))
448 if (
const auto *PV = dyn_cast<PoisonValue>(
this))
449 return Elt < PV->getNumElements() ? PV->getElementValue(Elt) :
nullptr;
451 if (
const auto *UV = dyn_cast<UndefValue>(
this))
452 return Elt < UV->getNumElements() ? UV->getElementValue(Elt) :
nullptr;
454 if (
const auto *CDS = dyn_cast<ConstantDataSequential>(
this))
455 return Elt < CDS->getNumElements() ? CDS->getElementAsConstant(Elt)
462 assert(isa<IntegerType>(Elt->
getType()) &&
"Index must be an integer");
463 if (
ConstantInt *CI = dyn_cast<ConstantInt>(Elt)) {
465 if (CI->getValue().getActiveBits() > 64)
478#define HANDLE_CONSTANT(Name) \
479 case Value::Name##Val: \
480 cast<Name>(this)->destroyConstantImpl(); \
482#include "llvm/IR/Value.def"
495 if (!isa<Constant>(V)) {
496 dbgs() <<
"While deleting: " << *
this
497 <<
"\n\nUse still stuck around after Def is destroyed: " << *V
501 assert(isa<Constant>(V) &&
"References remain to Constant being destroyed");
502 cast<Constant>(V)->destroyConstant();
513 switch (
C->getValueID()) {
514 case Constant::ConstantIntVal:
517 case Constant::ConstantFPVal:
520 case Constant::ConstantAggregateZeroVal:
523 case Constant::ConstantArrayVal:
526 case Constant::ConstantStructVal:
529 case Constant::ConstantVectorVal:
532 case Constant::ConstantPointerNullVal:
535 case Constant::ConstantDataArrayVal:
538 case Constant::ConstantDataVectorVal:
541 case Constant::ConstantTokenNoneVal:
544 case Constant::BlockAddressVal:
547 case Constant::DSOLocalEquivalentVal:
550 case Constant::NoCFIValueVal:
553 case Constant::ConstantPtrAuthVal:
556 case Constant::UndefValueVal:
559 case Constant::PoisonValueVal:
562 case Constant::ConstantExprVal:
563 if (isa<CastConstantExpr>(
C))
565 else if (isa<BinaryConstantExpr>(
C))
567 else if (isa<ExtractElementConstantExpr>(
C))
569 else if (isa<InsertElementConstantExpr>(
C))
571 else if (isa<ShuffleVectorConstantExpr>(
C))
573 else if (isa<GetElementPtrConstantExpr>(
C))
592 while (!WorkList.
empty()) {
594 if (
const auto *GV = dyn_cast<GlobalValue>(
WorkItem))
598 const Constant *ConstOp = dyn_cast<Constant>(
Op);
601 if (Visited.
insert(ConstOp).second)
609 auto DLLImportPredicate = [](
const GlobalValue *GV) {
610 return GV->isThreadLocal();
616 auto DLLImportPredicate = [](
const GlobalValue *GV) {
617 return GV->hasDLLImportStorageClass();
624 const Constant *UC = dyn_cast<Constant>(U);
625 if (!UC || isa<GlobalValue>(UC))
635 return getRelocationInfo() == GlobalRelocation;
639 return getRelocationInfo() != NoRelocation;
642Constant::PossibleRelocationsTy Constant::getRelocationInfo()
const {
643 if (isa<GlobalValue>(
this))
644 return GlobalRelocation;
646 if (
const BlockAddress *BA = dyn_cast<BlockAddress>(
this))
647 return BA->getFunction()->getRelocationInfo();
649 if (
const ConstantExpr *CE = dyn_cast<ConstantExpr>(
this)) {
650 if (CE->getOpcode() == Instruction::Sub) {
653 if (LHS && RHS &&
LHS->getOpcode() == Instruction::PtrToInt &&
654 RHS->getOpcode() == Instruction::PtrToInt) {
662 if (isa<BlockAddress>(LHSOp0) && isa<BlockAddress>(RHSOp0) &&
671 if (
auto *LHSGV = dyn_cast<GlobalValue>(LHS)) {
672 if (LHSGV->isDSOLocal() && RHSGV->isDSOLocal())
673 return LocalRelocation;
674 }
else if (isa<DSOLocalEquivalent>(LHS)) {
675 if (RHSGV->isDSOLocal())
676 return LocalRelocation;
683 PossibleRelocationsTy
Result = NoRelocation;
686 std::max(cast<Constant>(
getOperand(i))->getRelocationInfo(), Result);
695 if (isa<GlobalValue>(
C))
return false;
700 if (!
User)
return false;
713 if (RemoveDeadUsers) {
717 const_cast<Constant *
>(
C)->destroyConstant();
743 if (LastNonDeadUser == E)
746 I = std::next(LastNonDeadUser);
754bool Constant::hasNLiveUses(
unsigned N)
const {
755 unsigned NumUses = 0;
769 assert(
C && Replacement &&
"Expected non-nullptr constant arguments");
770 Type *Ty =
C->getType();
772 assert(Ty == Replacement->
getType() &&
"Expected matching types");
777 auto *VTy = dyn_cast<FixedVectorType>(Ty);
781 unsigned NumElts = VTy->getNumElements();
783 for (
unsigned i = 0; i != NumElts; ++i) {
784 Constant *EltC =
C->getAggregateElement(i);
786 "Expected matching types");
787 NewC[i] = EltC &&
match(EltC,
m_Undef()) ? Replacement : EltC;
793 assert(
C &&
Other &&
"Expected non-nullptr constant arguments");
797 Type *Ty =
C->getType();
801 auto *VTy = dyn_cast<FixedVectorType>(Ty);
805 Type *EltTy = VTy->getElementType();
806 unsigned NumElts = VTy->getNumElements();
808 cast<FixedVectorType>(
Other->getType())->getNumElements() == NumElts &&
811 bool FoundExtraUndef =
false;
813 for (
unsigned I = 0;
I != NumElts; ++
I) {
814 NewC[
I] =
C->getAggregateElement(
I);
816 assert(NewC[
I] && OtherEltC &&
"Unknown vector element");
819 FoundExtraUndef =
true;
828 if (isa<ConstantData>(
this))
830 if (isa<ConstantAggregate>(
this) || isa<ConstantExpr>(
this)) {
843ConstantInt::ConstantInt(
Type *Ty,
const APInt &V)
847 "Invalid constant for type");
871 if (
auto *VTy = dyn_cast<VectorType>(Ty))
879 if (
auto *VTy = dyn_cast<VectorType>(Ty))
892 std::unique_ptr<ConstantInt> &Slot =
909 std::unique_ptr<ConstantInt> &Slot =
920 assert(Slot->getType() == VTy);
929 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
942 "ConstantInt type doesn't match the type implied by its value!");
945 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
956void ConstantInt::destroyConstantImpl() {
974 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
983 "ConstantFP type doesn't match the type implied by its value!");
986 if (
auto *VTy = dyn_cast<VectorType>(Ty))
999 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1010 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1021 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1032 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1043 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1054 std::unique_ptr<ConstantFP> &Slot = pImpl->
FPConstants[V];
1068 std::unique_ptr<ConstantFP> &Slot =
1079 assert(Slot->getType() == VTy);
1088 if (
VectorType *VTy = dyn_cast<VectorType>(Ty))
1097 "FP type Mismatch");
1105void ConstantFP::destroyConstantImpl() {
1114 if (
auto *AT = dyn_cast<ArrayType>(
getType()))
1137 if (
auto *AT = dyn_cast<ArrayType>(Ty))
1139 if (
auto *VT = dyn_cast<VectorType>(Ty))
1140 return VT->getElementCount();
1172 if (
auto *AT = dyn_cast<ArrayType>(Ty))
1173 return AT->getNumElements();
1174 if (
auto *VT = dyn_cast<VectorType>(Ty))
1175 return cast<FixedVectorType>(VT)->getNumElements();
1209template <
typename ItTy,
typename EltTy>
1211 for (; Start !=
End; ++Start)
1217template <
typename SequentialTy,
typename ElementTy>
1219 assert(!V.empty() &&
"Cannot get empty int sequence.");
1223 if (
auto *CI = dyn_cast<ConstantInt>(
C))
1227 return SequentialTy::get(V[0]->getContext(), Elts);
1230template <
typename SequentialTy,
typename ElementTy>
1232 assert(!V.empty() &&
"Cannot get empty FP sequence.");
1236 if (
auto *CFP = dyn_cast<ConstantFP>(
C))
1237 Elts.
push_back(CFP->getValueAPF().bitcastToAPInt().getLimitedValue());
1240 return SequentialTy::getFP(V[0]->
getType(), Elts);
1243template <
typename SequenceTy>
1250 if (CI->getType()->isIntegerTy(8))
1251 return getIntSequenceIfElementsMatch<SequenceTy, uint8_t>(V);
1252 else if (CI->getType()->isIntegerTy(16))
1253 return getIntSequenceIfElementsMatch<SequenceTy, uint16_t>(V);
1254 else if (CI->getType()->isIntegerTy(32))
1255 return getIntSequenceIfElementsMatch<SequenceTy, uint32_t>(V);
1256 else if (CI->getType()->isIntegerTy(64))
1257 return getIntSequenceIfElementsMatch<SequenceTy, uint64_t>(V);
1258 }
else if (
ConstantFP *CFP = dyn_cast<ConstantFP>(
C)) {
1259 if (CFP->getType()->isHalfTy() || CFP->getType()->isBFloatTy())
1260 return getFPSequenceIfElementsMatch<SequenceTy, uint16_t>(V);
1261 else if (CFP->getType()->isFloatTy())
1262 return getFPSequenceIfElementsMatch<SequenceTy, uint32_t>(V);
1263 else if (CFP->getType()->isDoubleTy())
1264 return getFPSequenceIfElementsMatch<SequenceTy, uint64_t>(V);
1277 if (
auto *ST = dyn_cast<StructType>(
T)) {
1280 for (
unsigned I = 0, E = V.size();
I != E; ++
I)
1282 "Initializer for struct element doesn't match!");
1288 assert(V.size() ==
T->getNumElements() &&
1289 "Invalid initializer for constant array");
1305 "Wrong type in array element initializer");
1325 return getSequenceIfElementsMatch<ConstantDataArray>(
C, V);
1334 unsigned VecSize = V.size();
1336 for (
unsigned i = 0; i != VecSize; ++i)
1337 EltTypes[i] = V[i]->
getType();
1346 "ConstantStruct::getTypeForElements cannot be called on empty list");
1352 assert((
T->isOpaque() || V.size() ==
T->getNumElements()) &&
1353 "Invalid initializer for constant struct");
1358 assert((ST->isOpaque() || ST->getNumElements() == V.size()) &&
1359 "Incorrect # elements specified to ConstantStruct::get");
1364 bool isPoison =
false;
1367 isUndef = isa<UndefValue>(V[0]);
1368 isPoison = isa<PoisonValue>(V[0]);
1369 isZero = V[0]->isNullValue();
1373 if (!
C->isNullValue())
1375 if (!isa<PoisonValue>(
C))
1377 if (isa<PoisonValue>(
C) || !isa<UndefValue>(
C))
1389 return ST->getContext().pImpl->StructConstants.getOrCreate(ST, V);
1394 assert(V.size() == cast<FixedVectorType>(
T)->getNumElements() &&
1395 "Invalid initializer for constant vector");
1407 assert(!V.empty() &&
"Vectors can't be empty");
1413 bool isZero =
C->isNullValue();
1415 bool isPoison = isa<PoisonValue>(
C);
1420 for (
unsigned i = 1, e = V.size(); i != e; ++i)
1422 isZero =
isUndef = isPoison = isSplatFP = isSplatInt =
false;
1434 return ConstantFP::get(
C->getContext(),
T->getElementCount(),
1435 cast<ConstantFP>(
C)->getValue());
1437 return ConstantInt::get(
C->getContext(),
T->getElementCount(),
1438 cast<ConstantInt>(
C)->getValue());
1443 return getSequenceIfElementsMatch<ConstantDataVector>(
C, V);
1451 if (!EC.isScalable()) {
1453 if (!V->isNullValue()) {
1455 return ConstantInt::get(V->getContext(), EC,
1456 cast<ConstantInt>(V)->getValue());
1458 return ConstantFP::get(V->getContext(), EC,
1459 cast<ConstantFP>(V)->getValue());
1464 if ((isa<ConstantFP>(V) || isa<ConstantInt>(V)) &&
1473 if (!V->isNullValue()) {
1475 return ConstantInt::get(V->getContext(), EC,
1476 cast<ConstantInt>(V)->getValue());
1478 return ConstantFP::get(V->getContext(), EC,
1479 cast<ConstantFP>(V)->getValue());
1484 if (V->isNullValue())
1486 else if (isa<UndefValue>(V))
1508void ConstantTokenNone::destroyConstantImpl() {
1518 return cast<ShuffleVectorConstantExpr>(
this)->ShuffleMask;
1522 return cast<ShuffleVectorConstantExpr>(
this)->ShuffleMaskForBitcode;
1526 bool OnlyIfReduced,
Type *SrcTy)
const {
1533 Type *OnlyIfReducedTy = OnlyIfReduced ? Ty :
nullptr;
1535 case Instruction::Trunc:
1536 case Instruction::ZExt:
1537 case Instruction::SExt:
1538 case Instruction::FPTrunc:
1539 case Instruction::FPExt:
1540 case Instruction::UIToFP:
1541 case Instruction::SIToFP:
1542 case Instruction::FPToUI:
1543 case Instruction::FPToSI:
1544 case Instruction::PtrToInt:
1545 case Instruction::IntToPtr:
1546 case Instruction::BitCast:
1547 case Instruction::AddrSpaceCast:
1549 case Instruction::InsertElement:
1552 case Instruction::ExtractElement:
1554 case Instruction::ShuffleVector:
1557 case Instruction::GetElementPtr: {
1558 auto *GEPO = cast<GEPOperator>(
this);
1561 SrcTy ? SrcTy : GEPO->getSourceElementType(), Ops[0], Ops.
slice(1),
1562 GEPO->getNoWrapFlags(), GEPO->getInRange(), OnlyIfReducedTy);
1578 return Val == 0 || Val == 1;
1585 return Val == 0 || Val == 1 || Val == -1;
1586 return isIntN(NumBits, Val);
1652 "Cannot create an aggregate zero of non-aggregate type!");
1654 std::unique_ptr<ConstantAggregateZero> &Entry =
1663void ConstantAggregateZero::destroyConstantImpl() {
1668void ConstantArray::destroyConstantImpl() {
1677void ConstantStruct::destroyConstantImpl() {
1682void ConstantVector::destroyConstantImpl() {
1687 assert(this->
getType()->isVectorTy() &&
"Only valid for vectors!");
1688 if (isa<ConstantAggregateZero>(
this))
1691 return CV->getSplatValue();
1693 return CV->getSplatValue(AllowPoison);
1697 const auto *Shuf = dyn_cast<ConstantExpr>(
this);
1698 if (Shuf && Shuf->getOpcode() == Instruction::ShuffleVector &&
1699 isa<UndefValue>(Shuf->getOperand(1))) {
1701 const auto *IElt = dyn_cast<ConstantExpr>(Shuf->getOperand(0));
1702 if (IElt && IElt->getOpcode() == Instruction::InsertElement &&
1703 isa<UndefValue>(IElt->getOperand(0))) {
1732 if (isa<PoisonValue>(OpC))
1736 if (isa<PoisonValue>(Elt))
1746 if (
const ConstantInt *CI = dyn_cast<ConstantInt>(
this))
1747 return CI->getValue();
1749 if (isa<ConstantExpr>(
this))
1750 return cast<ConstantInt>(this->
getSplatValue())->getValue();
1755 assert(
C && isa<ConstantInt>(
C) &&
"Not a vector of numbers!");
1756 return cast<ConstantInt>(
C)->getValue();
1763 std::unique_ptr<ConstantPointerNull> &Entry =
1772void ConstantPointerNull::destroyConstantImpl() {
1781 "Target extension type not allowed to have a zeroinitializer");
1782 std::unique_ptr<ConstantTargetNone> &Entry =
1791void ConstantTargetNone::destroyConstantImpl() {
1804void UndefValue::destroyConstantImpl() {
1823void PoisonValue::destroyConstantImpl() {
1835 F->getContext().pImpl->BlockAddresses[std::make_pair(
F, BB)];
1845 Value::BlockAddressVal, &
Op<0>(), 2) {
1848 BB->AdjustBlockAddressRefCount(1);
1856 assert(
F &&
"Block must have a parent");
1858 F->getContext().pImpl->BlockAddresses.lookup(std::make_pair(
F, BB));
1859 assert(BA &&
"Refcount and block address map disagree!");
1864void BlockAddress::destroyConstantImpl() {
1879 assert(
From == NewBB &&
"From does not match any operand");
1880 NewBB = cast<BasicBlock>(To);
1912 "DSOLocalFunction does not match the expected global value");
1916DSOLocalEquivalent::DSOLocalEquivalent(
GlobalValue *GV)
1922void DSOLocalEquivalent::destroyConstantImpl() {
1929 assert(isa<Constant>(To) &&
"Can only replace the operands with a constant");
1932 if (
const auto *ToObj = dyn_cast<GlobalValue>(To)) {
1969 assert(
NC->getGlobalValue() == GV &&
1970 "NoCFIValue does not match the expected global value");
1980void NoCFIValue::destroyConstantImpl() {
1989 assert(GV &&
"Can only replace the operands with a global value");
2024 assert(Key->getBitWidth() == 32);
2034void ConstantPtrAuth::destroyConstantImpl() {
2039 assert(isa<Constant>(ToV) &&
"Cannot make Constant refer to non-constant!");
2040 Constant *To = cast<Constant>(ToV);
2045 unsigned NumUpdated = 0;
2048 unsigned OperandNo = 0;
2050 Constant *Val = cast<Constant>(
O->get());
2052 OperandNo = (
O - OperandList);
2060 Values,
this,
From, To, NumUpdated, OperandNo);
2064 const Value *Discriminator,
2082 const Value *AddrDiscriminator =
nullptr;
2088 if (!
match(Discriminator,
2089 m_Intrinsic<Intrinsic::ptrauth_blend>(
2094 AddrDiscriminator = Discriminator;
2100 if (
auto *Cast = dyn_cast<PtrToIntOperator>(AddrDiscriminator))
2101 AddrDiscriminator = Cast->getPointerOperand();
2116 APInt Off2(
DL.getIndexTypeSizeInBits(AddrDiscriminator->
getType()), 0);
2120 return Base1 == Base2 && Off1 == Off2;
2129 bool OnlyIfReduced =
false) {
2147 bool OnlyIfReduced) {
2151 "Cast opcode not supported as constant expression");
2152 assert(
C && Ty &&
"Null arguments to getCast");
2158 case Instruction::Trunc:
2160 case Instruction::PtrToInt:
2162 case Instruction::IntToPtr:
2164 case Instruction::BitCast:
2166 case Instruction::AddrSpaceCast:
2205 bool fromVec = isa<VectorType>(
C->getType());
2206 bool toVec = isa<VectorType>(Ty);
2208 assert((fromVec == toVec) &&
"Cannot convert from scalar to/from vector");
2209 assert(
C->getType()->isIntOrIntVectorTy() &&
"Trunc operand must be integer");
2212 "SrcTy must be larger than DestTy for Trunc!");
2218 bool OnlyIfReduced) {
2219 assert(
C->getType()->isPtrOrPtrVectorTy() &&
2220 "PtrToInt source must be pointer or pointer vector");
2222 "PtrToInt destination must be integer or integer vector");
2223 assert(isa<VectorType>(
C->getType()) == isa<VectorType>(DstTy));
2224 if (isa<VectorType>(
C->getType()))
2225 assert(cast<VectorType>(
C->getType())->getElementCount() ==
2226 cast<VectorType>(DstTy)->getElementCount() &&
2227 "Invalid cast between a different number of vector elements");
2228 return getFoldedCast(Instruction::PtrToInt,
C, DstTy, OnlyIfReduced);
2232 bool OnlyIfReduced) {
2233 assert(
C->getType()->isIntOrIntVectorTy() &&
2234 "IntToPtr source must be integer or integer vector");
2236 "IntToPtr destination must be a pointer or pointer vector");
2237 assert(isa<VectorType>(
C->getType()) == isa<VectorType>(DstTy));
2238 if (isa<VectorType>(
C->getType()))
2239 assert(cast<VectorType>(
C->getType())->getElementCount() ==
2240 cast<VectorType>(DstTy)->getElementCount() &&
2241 "Invalid cast between a different number of vector elements");
2242 return getFoldedCast(Instruction::IntToPtr,
C, DstTy, OnlyIfReduced);
2246 bool OnlyIfReduced) {
2248 "Invalid constantexpr bitcast!");
2252 if (
C->getType() == DstTy)
return C;
2254 return getFoldedCast(Instruction::BitCast,
C, DstTy, OnlyIfReduced);
2258 bool OnlyIfReduced) {
2260 "Invalid constantexpr addrspacecast!");
2261 return getFoldedCast(Instruction::AddrSpaceCast,
C, DstTy, OnlyIfReduced);
2265 unsigned Flags,
Type *OnlyIfReducedTy) {
2268 "Invalid opcode in binary constant expression");
2270 "Binop not supported as constant expression");
2272 "Operand types in binary constant expression should match");
2276 case Instruction::Add:
2277 case Instruction::Sub:
2278 case Instruction::Mul:
2280 "Tried to create an integer operation on a non-integer type!");
2282 case Instruction::And:
2283 case Instruction::Or:
2284 case Instruction::Xor:
2286 "Tried to create a logical operation on a non-integral type!");
2296 if (OnlyIfReducedTy == C1->
getType())
2308 case Instruction::UDiv:
2309 case Instruction::SDiv:
2310 case Instruction::URem:
2311 case Instruction::SRem:
2312 case Instruction::FAdd:
2313 case Instruction::FSub:
2314 case Instruction::FMul:
2315 case Instruction::FDiv:
2316 case Instruction::FRem:
2317 case Instruction::And:
2318 case Instruction::Or:
2319 case Instruction::LShr:
2320 case Instruction::AShr:
2321 case Instruction::Shl:
2323 case Instruction::Add:
2324 case Instruction::Sub:
2325 case Instruction::Mul:
2326 case Instruction::Xor:
2335 case Instruction::UDiv:
2336 case Instruction::SDiv:
2337 case Instruction::URem:
2338 case Instruction::SRem:
2339 case Instruction::FAdd:
2340 case Instruction::FSub:
2341 case Instruction::FMul:
2342 case Instruction::FDiv:
2343 case Instruction::FRem:
2344 case Instruction::And:
2345 case Instruction::Or:
2346 case Instruction::LShr:
2347 case Instruction::AShr:
2348 case Instruction::Shl:
2350 case Instruction::Add:
2351 case Instruction::Sub:
2352 case Instruction::Mul:
2353 case Instruction::Xor:
2362 case Instruction::ZExt:
2363 case Instruction::SExt:
2364 case Instruction::FPTrunc:
2365 case Instruction::FPExt:
2366 case Instruction::UIToFP:
2367 case Instruction::SIToFP:
2368 case Instruction::FPToUI:
2369 case Instruction::FPToSI:
2371 case Instruction::Trunc:
2372 case Instruction::PtrToInt:
2373 case Instruction::IntToPtr:
2374 case Instruction::BitCast:
2375 case Instruction::AddrSpaceCast:
2384 case Instruction::ZExt:
2385 case Instruction::SExt:
2386 case Instruction::FPTrunc:
2387 case Instruction::FPExt:
2388 case Instruction::UIToFP:
2389 case Instruction::SIToFP:
2390 case Instruction::FPToUI:
2391 case Instruction::FPToSI:
2393 case Instruction::Trunc:
2394 case Instruction::PtrToInt:
2395 case Instruction::IntToPtr:
2396 case Instruction::BitCast:
2397 case Instruction::AddrSpaceCast:
2422 Constant *Indices[2] = {Zero, One};
2430 std::optional<ConstantRange>
InRange,
2431 Type *OnlyIfReducedTy) {
2432 assert(Ty &&
"Must specify element type");
2443 if (OnlyIfReducedTy == ReqTy)
2447 if (
VectorType *VecTy = dyn_cast<VectorType>(ReqTy))
2448 EltCount = VecTy->getElementCount();
2451 std::vector<Constant*> ArgVec;
2452 ArgVec.reserve(1 + Idxs.
size());
2453 ArgVec.push_back(
C);
2455 for (; GTI != GTE; ++GTI) {
2456 auto *
Idx = cast<Constant>(GTI.getOperand());
2458 (!isa<VectorType>(
Idx->getType()) ||
2459 cast<VectorType>(
Idx->getType())->getElementCount() == EltCount) &&
2460 "getelementptr index type missmatch");
2462 if (GTI.isStruct() &&
Idx->getType()->isVectorTy()) {
2463 Idx =
Idx->getSplatValue();
2464 }
else if (GTI.isSequential() && EltCount.isNonZero() &&
2465 !
Idx->getType()->isVectorTy()) {
2468 ArgVec.push_back(
Idx);
2479 Type *OnlyIfReducedTy) {
2481 "Tried to create extractelement operation on non-vector type!");
2483 "Extractelement index must be an integer type!");
2488 Type *ReqTy = cast<VectorType>(Val->
getType())->getElementType();
2489 if (OnlyIfReducedTy == ReqTy)
2503 "Tried to create insertelement operation on non-vector type!");
2505 "Insertelement types must match!");
2507 "Insertelement index must be i32 type!");
2512 if (OnlyIfReducedTy == Val->
getType())
2525 Type *OnlyIfReducedTy) {
2527 "Invalid shuffle vector constant expr operands!");
2532 unsigned NElts = Mask.size();
2533 auto V1VTy = cast<VectorType>(V1->
getType());
2534 Type *EltTy = V1VTy->getElementType();
2535 bool TypeIsScalable = isa<ScalableVectorType>(V1VTy);
2538 if (OnlyIfReducedTy == ShufTy)
2550 assert(
C->getType()->isIntOrIntVectorTy() &&
2551 "Cannot NEG a nonintegral value!");
2552 return getSub(ConstantInt::get(
C->getType(), 0),
C,
false, HasNSW);
2556 assert(
C->getType()->isIntOrIntVectorTy() &&
2557 "Cannot NOT a nonintegral value!");
2562 bool HasNUW,
bool HasNSW) {
2565 return get(Instruction::Add, C1, C2, Flags);
2569 bool HasNUW,
bool HasNSW) {
2572 return get(Instruction::Sub, C1, C2, Flags);
2576 bool HasNUW,
bool HasNSW) {
2579 return get(Instruction::Mul, C1, C2, Flags);
2583 return get(Instruction::Xor, C1, C2);
2587 Type *Ty =
C->getType();
2590 return ConstantInt::get(Ty, IVal->
logBase2());
2593 auto *VecTy = dyn_cast<FixedVectorType>(Ty);
2598 for (
unsigned I = 0, E = VecTy->getNumElements();
I != E; ++
I) {
2603 if (isa<UndefValue>(Elt)) {
2616 bool AllowRHSConstant,
bool NSZ) {
2622 case Instruction::Add:
2623 case Instruction::Or:
2624 case Instruction::Xor:
2626 case Instruction::Mul:
2627 return ConstantInt::get(Ty, 1);
2628 case Instruction::And:
2630 case Instruction::FAdd:
2632 case Instruction::FMul:
2633 return ConstantFP::get(Ty, 1.0);
2640 if (!AllowRHSConstant)
2644 case Instruction::Sub:
2645 case Instruction::Shl:
2646 case Instruction::LShr:
2647 case Instruction::AShr:
2648 case Instruction::FSub:
2650 case Instruction::SDiv:
2651 case Instruction::UDiv:
2652 return ConstantInt::get(Ty, 1);
2653 case Instruction::FDiv:
2654 return ConstantFP::get(Ty, 1.0);
2662 case Intrinsic::umax:
2664 case Intrinsic::umin:
2666 case Intrinsic::smax:
2669 case Intrinsic::smin:
2678 bool AllowRHSConstant,
bool NSZ) {
2679 if (
I->isBinaryOp())
2692 case Instruction::Or:
2695 case Instruction::And:
2696 case Instruction::Mul:
2702void ConstantExpr::destroyConstantImpl() {
2710GetElementPtrConstantExpr::GetElementPtrConstantExpr(
2712 std::optional<ConstantRange>
InRange)
2715 (IdxList.
size() + 1),
2716 IdxList.
size() + 1),
2717 SrcElementTy(SrcElementTy),
2722 for (
unsigned i = 0, E = IdxList.
size(); i != E; ++i)
2723 OperandList[i+1] = IdxList[i];
2727 return SrcElementTy;
2731 return ResElementTy;
2743 return ATy->getElementType();
2744 return cast<VectorType>(
getType())->getElementType();
2754 if (
auto *
IT = dyn_cast<IntegerType>(Ty)) {
2755 switch (
IT->getBitWidth()) {
2769 return AT->getNumElements();
2770 return cast<FixedVectorType>(
getType())->getNumElements();
2779const char *ConstantDataSequential::getElementPointer(
unsigned Elt)
const {
2799 if (
ArrayType *ATy = dyn_cast<ArrayType>(Ty))
2819 std::unique_ptr<ConstantDataSequential> *Entry = &Slot.second;
2820 for (; *Entry; Entry = &(*Entry)->Next)
2821 if ((*Entry)->getType() == Ty)
2822 return Entry->get();
2826 if (isa<ArrayType>(Ty)) {
2829 return Entry->get();
2832 assert(isa<VectorType>(Ty));
2835 return Entry->get();
2838void ConstantDataSequential::destroyConstantImpl() {
2845 assert(Slot != CDSConstants.
end() &&
"CDS not found in uniquing table");
2847 std::unique_ptr<ConstantDataSequential> *Entry = &Slot->getValue();
2850 if (!(*Entry)->Next) {
2853 assert(Entry->get() ==
this &&
"Hash mismatch in ConstantDataSequential");
2861 std::unique_ptr<ConstantDataSequential> &
Node = *Entry;
2862 assert(
Node &&
"Didn't find entry in its uniquing hash table!");
2864 if (
Node.get() ==
this) {
2880 assert((ElementType->isHalfTy() || ElementType->isBFloatTy()) &&
2881 "Element type is not a 16-bit float type");
2883 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2887 assert(ElementType->isFloatTy() &&
"Element type is not a 32-bit float type");
2889 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2893 assert(ElementType->isDoubleTy() &&
2894 "Element type is not a 64-bit float type");
2896 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2903 const uint8_t *
Data = Str.bytes_begin();
2908 ElementVals.
append(Str.begin(), Str.end());
2910 return get(Context, ElementVals);
2918 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2923 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2928 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2933 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2938 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2943 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2955 assert((ElementType->isHalfTy() || ElementType->isBFloatTy()) &&
2956 "Element type is not a 16-bit float type");
2958 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2963 assert(ElementType->isFloatTy() &&
"Element type is not a 32-bit float type");
2965 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2970 assert(ElementType->isDoubleTy() &&
2971 "Element type is not a 64-bit float type");
2973 const char *
Data =
reinterpret_cast<const char *
>(Elts.
data());
2979 "Element type not compatible with ConstantData");
2981 if (CI->getType()->isIntegerTy(8)) {
2983 return get(V->getContext(), Elts);
2985 if (CI->getType()->isIntegerTy(16)) {
2987 return get(V->getContext(), Elts);
2989 if (CI->getType()->isIntegerTy(32)) {
2991 return get(V->getContext(), Elts);
2993 assert(CI->getType()->isIntegerTy(64) &&
"Unsupported ConstantData type");
2995 return get(V->getContext(), Elts);
2998 if (
ConstantFP *CFP = dyn_cast<ConstantFP>(V)) {
2999 if (CFP->getType()->isHalfTy()) {
3001 NumElts, CFP->getValueAPF().bitcastToAPInt().getLimitedValue());
3002 return getFP(V->getType(), Elts);
3004 if (CFP->getType()->isBFloatTy()) {
3006 NumElts, CFP->getValueAPF().bitcastToAPInt().getLimitedValue());
3007 return getFP(V->getType(), Elts);
3009 if (CFP->getType()->isFloatTy()) {
3011 NumElts, CFP->getValueAPF().bitcastToAPInt().getLimitedValue());
3012 return getFP(V->getType(), Elts);
3014 if (CFP->getType()->isDoubleTy()) {
3016 NumElts, CFP->getValueAPF().bitcastToAPInt().getLimitedValue());
3017 return getFP(V->getType(), Elts);
3026 "Accessor can only be used when element is an integer");
3027 const char *EltPtr = getElementPointer(Elt);
3034 return *
reinterpret_cast<const uint8_t *
>(EltPtr);
3036 return *
reinterpret_cast<const uint16_t *
>(EltPtr);
3038 return *
reinterpret_cast<const uint32_t *
>(EltPtr);
3040 return *
reinterpret_cast<const uint64_t *
>(EltPtr);
3046 "Accessor can only be used when element is an integer");
3047 const char *EltPtr = getElementPointer(Elt);
3054 auto EltVal = *
reinterpret_cast<const uint8_t *
>(EltPtr);
3055 return APInt(8, EltVal);
3058 auto EltVal = *
reinterpret_cast<const uint16_t *
>(EltPtr);
3059 return APInt(16, EltVal);
3062 auto EltVal = *
reinterpret_cast<const uint32_t *
>(EltPtr);
3063 return APInt(32, EltVal);
3066 auto EltVal = *
reinterpret_cast<const uint64_t *
>(EltPtr);
3067 return APInt(64, EltVal);
3073 const char *EltPtr = getElementPointer(Elt);
3077 llvm_unreachable(
"Accessor can only be used when element is float/double!");
3079 auto EltVal = *
reinterpret_cast<const uint16_t *
>(EltPtr);
3083 auto EltVal = *
reinterpret_cast<const uint16_t *
>(EltPtr);
3087 auto EltVal = *
reinterpret_cast<const uint32_t *
>(EltPtr);
3091 auto EltVal = *
reinterpret_cast<const uint64_t *
>(EltPtr);
3099 "Accessor can only be used when element is a 'float'");
3100 return *
reinterpret_cast<const float *
>(getElementPointer(Elt));
3105 "Accessor can only be used when element is a 'float'");
3106 return *
reinterpret_cast<const double *
>(getElementPointer(Elt));
3128 if (Str.back() != 0)
return false;
3131 return !Str.drop_back().contains(0);
3134bool ConstantDataVector::isSplatData()
const {
3149 IsSplat = isSplatData();
3174 Value *Replacement =
nullptr;
3178#define HANDLE_CONSTANT(Name) \
3179 case Value::Name##Val: \
3180 Replacement = cast<Name>(this)->handleOperandChangeImpl(From, To); \
3182#include "llvm/IR/Value.def"
3191 assert(Replacement !=
this &&
"I didn't contain From!");
3201 assert(isa<Constant>(To) &&
"Cannot make Constant refer to non-constant!");
3202 Constant *ToC = cast<Constant>(To);
3209 unsigned NumUpdated = 0;
3212 bool AllSame =
true;
3214 unsigned OperandNo = 0;
3216 Constant *Val = cast<Constant>(O->get());
3218 OperandNo = (O - OperandList);
3223 AllSame &= Val == ToC;
3229 if (AllSame && isa<UndefValue>(ToC))
3238 Values,
this,
From, ToC, NumUpdated, OperandNo);
3242 assert(isa<Constant>(To) &&
"Cannot make Constant refer to non-constant!");
3243 Constant *ToC = cast<Constant>(To);
3252 unsigned NumUpdated = 0;
3253 bool AllSame =
true;
3254 unsigned OperandNo = 0;
3256 Constant *Val = cast<Constant>(
O->get());
3258 OperandNo = (
O - OperandList);
3263 AllSame &= Val == ToC;
3269 if (AllSame && isa<UndefValue>(ToC))
3274 Values,
this,
From, ToC, NumUpdated, OperandNo);
3278 assert(isa<Constant>(To) &&
"Cannot make Constant refer to non-constant!");
3279 Constant *ToC = cast<Constant>(To);
3283 unsigned NumUpdated = 0;
3284 unsigned OperandNo = 0;
3300 Values,
this,
From, ToC, NumUpdated, OperandNo);
3304 assert(isa<Constant>(ToV) &&
"Cannot make Constant refer to non-constant!");
3305 Constant *To = cast<Constant>(ToV);
3308 unsigned NumUpdated = 0;
3309 unsigned OperandNo = 0;
3319 assert(NumUpdated &&
"I didn't contain From!");
3326 NewOps,
this,
From, To, NumUpdated, OperandNo);
3334 case Instruction::Trunc:
3335 case Instruction::PtrToInt:
3336 case Instruction::IntToPtr:
3337 case Instruction::BitCast:
3338 case Instruction::AddrSpaceCast:
3341 case Instruction::InsertElement:
3343 case Instruction::ExtractElement:
3345 case Instruction::ShuffleVector:
3348 case Instruction::GetElementPtr: {
3349 const auto *GO = cast<GEPOperator>(
this);
3351 Ops.
slice(1), GO->getNoWrapFlags(),
"");
3357 if (isa<OverflowingBinaryOperator>(BO)) {
3363 if (isa<PossiblyExactOperator>(BO))
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
This file defines the StringMap class.
static cl::opt< ITMode > IT(cl::desc("IT block support"), cl::Hidden, cl::init(DefaultIT), cl::values(clEnumValN(DefaultIT, "arm-default-it", "Generate any type of IT block"), clEnumValN(RestrictedIT, "arm-restrict-it", "Disallow complex IT blocks")))
BlockVerifier::State From
static bool isAllZeros(StringRef Arr)
Return true if the array is empty or all zeros.
static cl::opt< bool > UseConstantIntForScalableSplat("use-constant-int-for-scalable-splat", cl::init(false), cl::Hidden, cl::desc("Use ConstantInt's native scalable vector splat support."))
static cl::opt< bool > UseConstantIntForFixedLengthSplat("use-constant-int-for-fixed-length-splat", cl::init(false), cl::Hidden, cl::desc("Use ConstantInt's native fixed-length vector splat support."))
static Constant * getFPSequenceIfElementsMatch(ArrayRef< Constant * > V)
static bool rangeOnlyContains(ItTy Start, ItTy End, EltTy Elt)
static Constant * getIntSequenceIfElementsMatch(ArrayRef< Constant * > V)
static Constant * getSequenceIfElementsMatch(Constant *C, ArrayRef< Constant * > V)
static bool ConstHasGlobalValuePredicate(const Constant *C, bool(*Predicate)(const GlobalValue *))
Check if C contains a GlobalValue for which Predicate is true.
static cl::opt< bool > UseConstantFPForScalableSplat("use-constant-fp-for-scalable-splat", cl::init(false), cl::Hidden, cl::desc("Use ConstantFP's native scalable vector splat support."))
static bool constantIsDead(const Constant *C, bool RemoveDeadUsers)
Return true if the specified constantexpr is dead.
static bool containsUndefinedElement(const Constant *C, function_ref< bool(const Constant *)> HasFn)
static Constant * getFoldedCast(Instruction::CastOps opc, Constant *C, Type *Ty, bool OnlyIfReduced=false)
This is a utility function to handle folding of casts and lookup of the cast in the ExprConstants map...
static cl::opt< bool > UseConstantFPForFixedLengthSplat("use-constant-fp-for-fixed-length-splat", cl::init(false), cl::Hidden, cl::desc("Use ConstantFP's native fixed-length vector splat support."))
This file contains the declarations for the subclasses of Constant, which represent the different fla...
Returns the sub type a function will return at a given Idx Should correspond to the result type of an ExtractValue instruction executed with just that one unsigned Idx
Looks at all the uses of the given value Returns the Liveness deduced from the uses of this value Adds all uses that cause the result to be MaybeLive to MaybeLiveRetUses If the result is MaybeLiveUses might be modified but its content should be ignored(since it might not be complete). DeadArgumentEliminationPass
static Function * getFunction(Constant *C)
static bool isSigned(unsigned int Opcode)
static char getTypeID(Type *Ty)
This file contains the declaration of the GlobalIFunc class, which represents a single indirect funct...
static bool isUndef(ArrayRef< int > Mask)
static bool isZero(Value *V, const DataLayout &DL, DominatorTree *DT, AssumptionCache *AC)
Merge contiguous icmps into a memcmp
static bool InRange(int64_t Value, unsigned short Shift, int LBound, int HBound)
uint64_t IntrinsicInst * II
static GCMetadataPrinterRegistry::Add< OcamlGCMetadataPrinter > Y("ocaml", "ocaml 3.10-compatible collector")
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
This file defines the SmallVector class.
static SymbolRef::Type getType(const Symbol *Sym)
static APFloat getQNaN(const fltSemantics &Sem, bool Negative=false, const APInt *payload=nullptr)
Factory for QNaN values.
static APFloat getSNaN(const fltSemantics &Sem, bool Negative=false, const APInt *payload=nullptr)
Factory for SNaN values.
opStatus convert(const fltSemantics &ToSemantics, roundingMode RM, bool *losesInfo)
bool bitwiseIsEqual(const APFloat &RHS) const
static APFloat getAllOnesValue(const fltSemantics &Semantics)
Returns a float which is bitcasted from an all one value int.
const fltSemantics & getSemantics() const
static APFloat getInf(const fltSemantics &Sem, bool Negative=false)
Factory for Positive and Negative Infinity.
static APFloat getNaN(const fltSemantics &Sem, bool Negative=false, uint64_t payload=0)
Factory for NaN values.
static APFloat getZero(const fltSemantics &Sem, bool Negative=false)
Factory for Positive and Negative Zero.
Class for arbitrary precision integers.
static APInt getAllOnes(unsigned numBits)
Return an APInt of a specified width with all bits set.
static APInt getSignedMaxValue(unsigned numBits)
Gets maximum signed value of APInt for a specific bit width.
static APInt getSignedMinValue(unsigned numBits)
Gets minimum signed value of APInt for a specific bit width.
unsigned logBase2() const
bool isPowerOf2() const
Check if this APInt's value is a power of two greater than zero.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
size_t size() const
size - Get the array size.
ArrayRef< T > slice(size_t N, size_t M) const
slice(n, m) - Chop off the first N elements of the array, and keep M elements in the array.
Class to represent array types.
static ArrayType * get(Type *ElementType, uint64_t NumElements)
This static method is the primary way to construct an ArrayType.
Type * getElementType() const
LLVM Basic Block Representation.
bool hasAddressTaken() const
Returns true if there are any uses of this basic block other than direct branches,...
const Function * getParent() const
Return the enclosing method, or null if none.
BinaryConstantExpr - This class is private to Constants.cpp, and is used behind the scenes to impleme...
static BinaryOperator * Create(BinaryOps Op, Value *S1, Value *S2, const Twine &Name=Twine(), InsertPosition InsertBefore=nullptr)
Construct a binary instruction, given the opcode and the two operands.
The address of a basic block.
static BlockAddress * lookup(const BasicBlock *BB)
Lookup an existing BlockAddress constant for the given BasicBlock.
Function * getFunction() const
BasicBlock * getBasicBlock() const
static BlockAddress * get(Function *F, BasicBlock *BB)
Return a BlockAddress for the specified function and basic block.
CastConstantExpr - This class is private to Constants.cpp, and is used behind the scenes to implement...
static CastInst * Create(Instruction::CastOps, Value *S, Type *Ty, const Twine &Name="", InsertPosition InsertBefore=nullptr)
Provides a way to construct any of the CastInst subclasses using an opcode instead of the subclass's ...
static bool castIsValid(Instruction::CastOps op, Type *SrcTy, Type *DstTy)
This method can be used to determine if a cast from SrcTy to DstTy using Opcode op is valid or not.
All zero aggregate value.
ElementCount getElementCount() const
Return the number of elements in the array, vector, or struct.
Constant * getSequentialElement() const
If this CAZ has array or vector type, return a zero with the right element type.
Constant * getElementValue(Constant *C) const
Return a zero of the right value for the specified GEP index if we can, otherwise return null (e....
Constant * getStructElement(unsigned Elt) const
If this CAZ has struct type, return a zero with the right element type for the specified element.
static ConstantAggregateZero * get(Type *Ty)
Base class for aggregate constants (with operands).
ConstantAggregate(Type *T, ValueTy VT, ArrayRef< Constant * > V)
ConstantArray - Constant Array Declarations.
static Constant * get(ArrayType *T, ArrayRef< Constant * > V)
ArrayType * getType() const
Specialize the getType() method to always return an ArrayType, which reduces the amount of casting ne...
An array constant whose element type is a simple 1/2/4/8-byte integer or float/double,...
static Constant * getString(LLVMContext &Context, StringRef Initializer, bool AddNull=true)
This method constructs a CDS and initializes it with a text string.
static Constant * get(LLVMContext &Context, ArrayRef< ElementTy > Elts)
get() constructor - Return a constant with array type with an element count and element type matching...
static Constant * getFP(Type *ElementType, ArrayRef< uint16_t > Elts)
getFP() constructors - Return a constant of array type with a float element type taken from argument ...
APInt getElementAsAPInt(unsigned i) const
If this is a sequential container of integers (of any size), return the specified element as an APInt...
double getElementAsDouble(unsigned i) const
If this is an sequential container of doubles, return the specified element as a double.
StringRef getAsString() const
If this array is isString(), then this method returns the array as a StringRef.
uint64_t getElementByteSize() const
Return the size (in bytes) of each element in the array/vector.
float getElementAsFloat(unsigned i) const
If this is an sequential container of floats, return the specified element as a float.
bool isString(unsigned CharSize=8) const
This method returns true if this is an array of CharSize integers.
uint64_t getElementAsInteger(unsigned i) const
If this is a sequential container of integers (of any size), return the specified element in the low ...
static Constant * getImpl(StringRef Bytes, Type *Ty)
This is the underlying implementation of all of the ConstantDataSequential::get methods.
unsigned getNumElements() const
Return the number of elements in the array or vector.
Constant * getElementAsConstant(unsigned i) const
Return a Constant for a specified index's element.
Type * getElementType() const
Return the element type of the array/vector.
bool isCString() const
This method returns true if the array "isString", ends with a null byte, and does not contains any ot...
APFloat getElementAsAPFloat(unsigned i) const
If this is a sequential container of floating point type, return the specified element as an APFloat.
StringRef getRawDataValues() const
Return the raw, underlying, bytes of this data.
static bool isElementTypeCompatible(Type *Ty)
Return true if a ConstantDataSequential can be formed with a vector or array of the specified element...
A vector constant whose element type is a simple 1/2/4/8-byte integer or float/double,...
Constant * getSplatValue() const
If this is a splat constant, meaning that all of the elements have the same value,...
static Constant * getSplat(unsigned NumElts, Constant *Elt)
Return a ConstantVector with the specified constant in each element.
bool isSplat() const
Returns true if this is a splat constant, meaning that all elements have the same value.
static Constant * get(LLVMContext &Context, ArrayRef< uint8_t > Elts)
get() constructors - Return a constant with vector type with an element count and element type matchi...
static Constant * getFP(Type *ElementType, ArrayRef< uint16_t > Elts)
getFP() constructors - Return a constant of vector type with a float element type taken from argument...
Base class for constants with no operands.
A constant value that is initialized with an expression using other constant values.
static Constant * getIntToPtr(Constant *C, Type *Ty, bool OnlyIfReduced=false)
static Constant * getExtractElement(Constant *Vec, Constant *Idx, Type *OnlyIfReducedTy=nullptr)
static Constant * getAlignOf(Type *Ty)
getAlignOf constant expr - computes the alignment of a type in a target independent way (Note: the re...
static Constant * getPointerCast(Constant *C, Type *Ty)
Create a BitCast, AddrSpaceCast, or a PtrToInt cast constant expression.
static Constant * getTruncOrBitCast(Constant *C, Type *Ty)
static Constant * getPointerBitCastOrAddrSpaceCast(Constant *C, Type *Ty)
Create a BitCast or AddrSpaceCast for a pointer type depending on the address space.
bool isCast() const
Return true if this is a convert constant expression.
static Constant * getIdentity(Instruction *I, Type *Ty, bool AllowRHSConstant=false, bool NSZ=false)
Return the identity constant for a binary or intrinsic Instruction.
static bool isDesirableCastOp(unsigned Opcode)
Whether creating a constant expression for this cast is desirable.
Constant * getShuffleMaskForBitcode() const
Assert that this is a shufflevector and return the mask.
static Constant * getCast(unsigned ops, Constant *C, Type *Ty, bool OnlyIfReduced=false)
Convenience function for getting a Cast operation.
static Constant * getSub(Constant *C1, Constant *C2, bool HasNUW=false, bool HasNSW=false)
static Constant * getNot(Constant *C)
const char * getOpcodeName() const
Return a string representation for an opcode.
static Constant * getInsertElement(Constant *Vec, Constant *Elt, Constant *Idx, Type *OnlyIfReducedTy=nullptr)
static Constant * getPtrToInt(Constant *C, Type *Ty, bool OnlyIfReduced=false)
static Constant * getShuffleVector(Constant *V1, Constant *V2, ArrayRef< int > Mask, Type *OnlyIfReducedTy=nullptr)
static Constant * getSizeOf(Type *Ty)
getSizeOf constant expr - computes the (alloc) size of a type (in address-units, not bits) in a targe...
static bool isSupportedGetElementPtr(const Type *SrcElemTy)
Whether creating a constant expression for this getelementptr type is supported.
static Constant * getIntrinsicIdentity(Intrinsic::ID, Type *Ty)
static Constant * getXor(Constant *C1, Constant *C2)
static Constant * getBinOpAbsorber(unsigned Opcode, Type *Ty)
Return the absorbing element for the given binary operation, i.e.
static Constant * getMul(Constant *C1, Constant *C2, bool HasNUW=false, bool HasNSW=false)
static Constant * get(unsigned Opcode, Constant *C1, Constant *C2, unsigned Flags=0, Type *OnlyIfReducedTy=nullptr)
get - Return a binary or shift operator constant expression, folding if possible.
static bool isDesirableBinOp(unsigned Opcode)
Whether creating a constant expression for this binary operator is desirable.
ArrayRef< int > getShuffleMask() const
Assert that this is a shufflevector and return the mask.
static bool isSupportedBinOp(unsigned Opcode)
Whether creating a constant expression for this binary operator is supported.
static Constant * getAddrSpaceCast(Constant *C, Type *Ty, bool OnlyIfReduced=false)
unsigned getOpcode() const
Return the opcode at the root of this constant expression.
static Constant * getGetElementPtr(Type *Ty, Constant *C, ArrayRef< Constant * > IdxList, GEPNoWrapFlags NW=GEPNoWrapFlags::none(), std::optional< ConstantRange > InRange=std::nullopt, Type *OnlyIfReducedTy=nullptr)
Getelementptr form.
static Constant * getAdd(Constant *C1, Constant *C2, bool HasNUW=false, bool HasNSW=false)
static Constant * getBitCast(Constant *C, Type *Ty, bool OnlyIfReduced=false)
static Constant * getBinOpIdentity(unsigned Opcode, Type *Ty, bool AllowRHSConstant=false, bool NSZ=false)
Return the identity constant for a binary opcode.
static bool isSupportedCastOp(unsigned Opcode)
Whether creating a constant expression for this cast is supported.
static Constant * getNeg(Constant *C, bool HasNSW=false)
static Constant * getTrunc(Constant *C, Type *Ty, bool OnlyIfReduced=false)
static Constant * getExactLogBase2(Constant *C)
If C is a scalar/fixed width vector of known powers of 2, then this function returns a new scalar/fix...
Constant * getWithOperands(ArrayRef< Constant * > Ops) const
This returns the current constant expression with the operands replaced with the specified values.
Instruction * getAsInstruction() const
Returns an Instruction which implements the same operation as this ConstantExpr.
ConstantFP - Floating Point Values [float, double].
static Constant * getSNaN(Type *Ty, bool Negative=false, APInt *Payload=nullptr)
static Constant * getInfinity(Type *Ty, bool Negative=false)
static Constant * getZero(Type *Ty, bool Negative=false)
static Constant * getNaN(Type *Ty, bool Negative=false, uint64_t Payload=0)
bool isExactlyValue(const APFloat &V) const
We don't rely on operator== working on double values, as it returns true for things that are clearly ...
static bool isValueValidForType(Type *Ty, const APFloat &V)
Return true if Ty is big enough to represent V.
static Constant * getQNaN(Type *Ty, bool Negative=false, APInt *Payload=nullptr)
This is the shared class of boolean and integer constants.
static bool isValueValidForType(Type *Ty, uint64_t V)
This static method returns true if the type Ty is big enough to represent the value V.
static ConstantInt * getTrue(LLVMContext &Context)
static ConstantInt * getFalse(LLVMContext &Context)
unsigned getBitWidth() const
getBitWidth - Return the scalar bitwidth of this constant.
static ConstantInt * getBool(LLVMContext &Context, bool V)
A constant pointer value that points to null.
static ConstantPointerNull * get(PointerType *T)
Static factory methods - Return objects of the specified value.
PointerType * getType() const
Specialize the getType() method to always return an PointerType, which reduces the amount of casting ...
A signed pointer, in the ptrauth sense.
Constant * getAddrDiscriminator() const
The address discriminator if any, or the null constant.
bool isKnownCompatibleWith(const Value *Key, const Value *Discriminator, const DataLayout &DL) const
Check whether an authentication operation with key Key and (possibly blended) discriminator Discrimin...
static ConstantPtrAuth * get(Constant *Ptr, ConstantInt *Key, ConstantInt *Disc, Constant *AddrDisc)
Return a pointer signed with the specified parameters.
ConstantPtrAuth * getWithSameSchema(Constant *Pointer) const
Produce a new ptrauth expression signing the given value using the same schema as is stored in one.
ConstantInt * getKey() const
The Key ID, an i32 constant.
bool hasAddressDiscriminator() const
Whether there is any non-null address discriminator.
ConstantInt * getDiscriminator() const
The integer discriminator, an i64 constant, or 0.
static Constant * get(StructType *T, ArrayRef< Constant * > V)
static StructType * getTypeForElements(ArrayRef< Constant * > V, bool Packed=false)
Return an anonymous struct type to use for a constant with the specified set of elements.
StructType * getType() const
Specialization - reduce amount of casting.
A constant target extension type default initializer.
static ConstantTargetNone * get(TargetExtType *T)
Static factory methods - Return objects of the specified value.
TargetExtType * getType() const
Specialize the getType() method to always return an TargetExtType, which reduces the amount of castin...
A constant token which is empty.
static ConstantTokenNone * get(LLVMContext &Context)
Return the ConstantTokenNone.
ConstantClass * getOrCreate(TypeClass *Ty, ValType V)
Return the specified constant from the map, creating it if necessary.
void remove(ConstantClass *CP)
Remove this constant from the map.
ConstantClass * replaceOperandsInPlace(ArrayRef< Constant * > Operands, ConstantClass *CP, Value *From, Constant *To, unsigned NumUpdated=0, unsigned OperandNo=~0u)
Constant Vector Declarations.
FixedVectorType * getType() const
Specialize the getType() method to always return a FixedVectorType, which reduces the amount of casti...
Constant * getSplatValue(bool AllowPoison=false) const
If all elements of the vector constant have the same value, return that value.
static Constant * getSplat(ElementCount EC, Constant *Elt)
Return a ConstantVector with the specified constant in each element.
static Constant * get(ArrayRef< Constant * > V)
This is an important base class in LLVM.
static Constant * getIntegerValue(Type *Ty, const APInt &V)
Return the value for an integer or pointer constant, or a vector thereof, with the given scalar value...
bool hasExactInverseFP() const
Return true if this scalar has an exact multiplicative inverse or this vector has an exact multiplica...
static Constant * replaceUndefsWith(Constant *C, Constant *Replacement)
Try to replace undefined constant C or undefined elements in C with Replacement.
Constant * getSplatValue(bool AllowPoison=false) const
If all elements of the vector constant have the same value, return that value.
bool containsUndefElement() const
Return true if this is a vector constant that includes any strictly undef (not poison) elements.
static Constant * mergeUndefsWith(Constant *C, Constant *Other)
Merges undefs of a Constant with another Constant, along with the undefs already present.
static Constant * getAllOnesValue(Type *Ty)
bool hasZeroLiveUses() const
Return true if the constant has no live uses.
bool isOneValue() const
Returns true if the value is one.
bool isManifestConstant() const
Return true if a constant is ConstantData or a ConstantAggregate or ConstantExpr that contain only Co...
bool isNegativeZeroValue() const
Return true if the value is what would be returned by getZeroValueForNegation.
bool isAllOnesValue() const
Return true if this is the value that would be returned by getAllOnesValue.
bool hasOneLiveUse() const
Return true if the constant has exactly one live use.
bool needsRelocation() const
This method classifies the entry according to whether or not it may generate a relocation entry (eith...
bool isDLLImportDependent() const
Return true if the value is dependent on a dllimport variable.
const APInt & getUniqueInteger() const
If C is a constant integer then return its value, otherwise C must be a vector of constant integers,...
bool containsConstantExpression() const
Return true if this is a fixed width vector constant that includes any constant expressions.
bool isFiniteNonZeroFP() const
Return true if this is a finite and non-zero floating-point scalar constant or a fixed width vector c...
void removeDeadConstantUsers() const
If there are any dead constant users dangling off of this constant, remove them.
bool isNormalFP() const
Return true if this is a normal (as opposed to denormal, infinity, nan, or zero) floating-point scala...
bool needsDynamicRelocation() const
static Constant * getNullValue(Type *Ty)
Constructor to create a '0' constant of arbitrary type.
bool isNaN() const
Return true if this is a floating-point NaN constant or a vector floating-point constant with all NaN...
bool isMinSignedValue() const
Return true if the value is the smallest signed value.
bool isConstantUsed() const
Return true if the constant has users other than constant expressions and other dangling things.
Constant * getAggregateElement(unsigned Elt) const
For aggregates (struct/array/vector) return the constant that corresponds to the specified element if...
bool isThreadDependent() const
Return true if the value can vary between threads.
bool isZeroValue() const
Return true if the value is negative zero or null value.
void destroyConstant()
Called if some element of this constant is no longer valid.
bool isNotMinSignedValue() const
Return true if the value is not the smallest signed value, or, for vectors, does not contain smallest...
bool isNullValue() const
Return true if this is the value that would be returned by getNullValue.
bool isNotOneValue() const
Return true if the value is not the one value, or, for vectors, does not contain one value elements.
bool isElementWiseEqual(Value *Y) const
Return true if this constant and a constant 'Y' are element-wise equal.
bool containsUndefOrPoisonElement() const
Return true if this is a vector constant that includes any undef or poison elements.
bool containsPoisonElement() const
Return true if this is a vector constant that includes any poison elements.
void handleOperandChange(Value *, Value *)
This method is a special form of User::replaceUsesOfWith (which does not work on constants) that does...
Wrapper for a function that represents a value that functionally represents the original function.
GlobalValue * getGlobalValue() const
static DSOLocalEquivalent * get(GlobalValue *GV)
Return a DSOLocalEquivalent for the specified global value.
This class represents an Operation in the Expression.
A parsed version of the target data layout string in and methods for querying it.
static constexpr ElementCount getFixed(ScalarTy MinVal)
static FixedVectorType * get(Type *ElementType, unsigned NumElts)
Represents flags for the getelementptr instruction/expression.
GetElementPtrConstantExpr - This class is private to Constants.cpp, and is used behind the scenes to ...
std::optional< ConstantRange > getInRange() const
Type * getResultElementType() const
Type * getSourceElementType() const
an instruction for type-safe pointer arithmetic to access elements of arrays and structs
static Type * getGEPReturnType(Value *Ptr, ArrayRef< Value * > IdxList)
Returns the pointer type returned by the GEP instruction, which may be a vector of pointers.
static GetElementPtrInst * Create(Type *PointeeType, Value *Ptr, ArrayRef< Value * > IdxList, const Twine &NameStr="", InsertPosition InsertBefore=nullptr)
static Type * getIndexedType(Type *Ty, ArrayRef< Value * > IdxList)
Returns the result type of a getelementptr with the given source element type and indexes.
PointerType * getType() const
Global values are always pointers.
InsertElementConstantExpr - This class is private to Constants.cpp, and is used behind the scenes to ...
static InsertElementInst * Create(Value *Vec, Value *NewElt, Value *Idx, const Twine &NameStr="", InsertPosition InsertBefore=nullptr)
void setHasNoUnsignedWrap(bool b=true)
Set or clear the nuw flag on this instruction, which must be an operator which supports this flag.
void setHasNoSignedWrap(bool b=true)
Set or clear the nsw flag on this instruction, which must be an operator which supports this flag.
bool isCommutative() const LLVM_READONLY
Return true if the instruction is commutative:
const char * getOpcodeName() const
void setIsExact(bool b=true)
Set or clear the exact flag on this instruction, which must be an operator which supports this flag.
Class to represent integer types.
static IntegerType * get(LLVMContext &C, unsigned NumBits)
This static method is the primary way of constructing an IntegerType.
unsigned getBitWidth() const
Get the number of bits in this IntegerType.
A wrapper class for inspecting calls to intrinsic functions.
DenseMap< unsigned, std::unique_ptr< ConstantInt > > IntOneConstants
DenseMap< unsigned, std::unique_ptr< ConstantInt > > IntZeroConstants
DenseMap< APFloat, std::unique_ptr< ConstantFP > > FPConstants
DenseMap< PointerType *, std::unique_ptr< ConstantPointerNull > > CPNConstants
DenseMap< Type *, std::unique_ptr< ConstantAggregateZero > > CAZConstants
ConstantInt * TheFalseVal
DenseMap< Type *, std::unique_ptr< PoisonValue > > PVConstants
DenseMap< std::pair< const Function *, const BasicBlock * >, BlockAddress * > BlockAddresses
DenseMap< APInt, std::unique_ptr< ConstantInt > > IntConstants
std::unique_ptr< ConstantTokenNone > TheNoneToken
VectorConstantsTy VectorConstants
DenseMap< const GlobalValue *, NoCFIValue * > NoCFIValues
DenseMap< Type *, std::unique_ptr< UndefValue > > UVConstants
StringMap< std::unique_ptr< ConstantDataSequential > > CDSConstants
StructConstantsTy StructConstants
ConstantUniqueMap< ConstantPtrAuth > ConstantPtrAuths
DenseMap< TargetExtType *, std::unique_ptr< ConstantTargetNone > > CTNConstants
ConstantUniqueMap< ConstantExpr > ExprConstants
DenseMap< std::pair< ElementCount, APInt >, std::unique_ptr< ConstantInt > > IntSplatConstants
ArrayConstantsTy ArrayConstants
DenseMap< const GlobalValue *, DSOLocalEquivalent * > DSOLocalEquivalents
DenseMap< std::pair< ElementCount, APFloat >, std::unique_ptr< ConstantFP > > FPSplatConstants
This is an important class for using LLVM in a threaded context.
LLVMContextImpl *const pImpl
Wrapper for a value that won't be replaced with a CFI jump table pointer in LowerTypeTestsModule.
static NoCFIValue * get(GlobalValue *GV)
Return a NoCFIValue for the specified function.
PointerType * getType() const
NoCFIValue is always a pointer.
GlobalValue * getGlobalValue() const
Class to represent pointers.
static PointerType * getUnqual(Type *ElementType)
This constructs a pointer to an object of the specified type in the default address space (address sp...
In order to facilitate speculative execution, many instructions do not invoke immediate undefined beh...
static PoisonValue * get(Type *T)
Static factory methods - Return an 'poison' object of the specified type.
PoisonValue * getStructElement(unsigned Elt) const
If this poison has struct type, return a poison with the right element type for the specified element...
PoisonValue * getSequentialElement() const
If this poison has array or vector type, return a poison with the right element type.
PoisonValue * getElementValue(Constant *C) const
Return an poison of the right value for the specified GEP index if we can, otherwise return null (e....
ShuffleVectorConstantExpr - This class is private to Constants.cpp, and is used behind the scenes to ...
This instruction constructs a fixed permutation of two input vectors.
static bool isValidOperands(const Value *V1, const Value *V2, const Value *Mask)
Return true if a shufflevector instruction can be formed with the specified operands.
std::pair< iterator, bool > insert(PtrType Ptr)
Inserts Ptr if and only if there is no element in the container equal to Ptr.
SmallPtrSet - This class implements a set which is optimized for holding SmallSize or less elements.
void reserve(size_type N)
void append(ItTy in_start, ItTy in_end)
Add the specified range to the end of the SmallVector.
void push_back(const T &Elt)
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small.
StringMap - This is an unconventional map that is specialized for handling keys that are "strings",...
iterator find(StringRef Key)
StringRef - Represent a constant reference to a string, i.e.
constexpr const char * data() const
data - Get a pointer to the start of the string (which may not be null terminated).
Class to represent struct types.
static StructType * get(LLVMContext &Context, ArrayRef< Type * > Elements, bool isPacked=false)
This static method is the primary way to create a literal StructType.
Class to represent target extensions types, which are generally unintrospectable from target-independ...
bool hasProperty(Property Prop) const
Returns true if the target extension type contains the given property.
@ HasZeroInit
zeroinitializer is valid for this target extension type.
The instances of the Type class are immutable: once they are created, they are never changed.
unsigned getIntegerBitWidth() const
static Type * getDoubleTy(LLVMContext &C)
const fltSemantics & getFltSemantics() const
bool isVectorTy() const
True if this is an instance of VectorType.
static Type * getFloatingPointTy(LLVMContext &C, const fltSemantics &S)
bool isArrayTy() const
True if this is an instance of ArrayType.
bool isIntOrIntVectorTy() const
Return true if this is an integer type or a vector of integer types.
bool isPointerTy() const
True if this is an instance of PointerType.
static IntegerType * getInt1Ty(LLVMContext &C)
bool isFloatTy() const
Return true if this is 'float', a 32-bit IEEE fp type.
bool isBFloatTy() const
Return true if this is 'bfloat', a 16-bit bfloat type.
unsigned getStructNumElements() const
unsigned getPointerAddressSpace() const
Get the address space of this pointer or pointer vector type.
@ HalfTyID
16-bit floating point type
@ TargetExtTyID
Target extension type.
@ ScalableVectorTyID
Scalable SIMD vector type.
@ FloatTyID
32-bit floating point type
@ IntegerTyID
Arbitrary bit width integers.
@ FixedVectorTyID
Fixed width SIMD vector type.
@ BFloatTyID
16-bit floating point type (7-bit significand)
@ DoubleTyID
64-bit floating point type
@ X86_FP80TyID
80-bit floating point type (X87)
@ PPC_FP128TyID
128-bit floating point type (two 64-bits, PowerPC)
@ FP128TyID
128-bit floating point type (112-bit significand)
unsigned getScalarSizeInBits() const LLVM_READONLY
If this is a vector type, return the getPrimitiveSizeInBits value for the element type.
bool isStructTy() const
True if this is an instance of StructType.
bool isFirstClassType() const
Return true if the type is "first class", meaning it is a valid type for a Value.
static IntegerType * getInt16Ty(LLVMContext &C)
bool isHalfTy() const
Return true if this is 'half', a 16-bit IEEE fp type.
LLVMContext & getContext() const
Return the LLVMContext in which this type was uniqued.
static IntegerType * getInt8Ty(LLVMContext &C)
bool isDoubleTy() const
Return true if this is 'double', a 64-bit IEEE fp type.
bool isFloatingPointTy() const
Return true if this is one of the floating-point types.
bool isPtrOrPtrVectorTy() const
Return true if this is a pointer type or a vector of pointer types.
static IntegerType * getInt32Ty(LLVMContext &C)
static IntegerType * getInt64Ty(LLVMContext &C)
static Type * getFloatTy(LLVMContext &C)
bool isIntegerTy() const
True if this is an instance of IntegerType.
TypeID getTypeID() const
Return the type id for the type.
TypeSize getPrimitiveSizeInBits() const LLVM_READONLY
Return the basic size of this type if it is a primitive type.
Type * getScalarType() const
If this is a vector type, return the element type, otherwise return 'this'.
'undef' values are things that do not have specified contents.
UndefValue * getElementValue(Constant *C) const
Return an undef of the right value for the specified GEP index if we can, otherwise return null (e....
UndefValue * getStructElement(unsigned Elt) const
If this undef has struct type, return a undef with the right element type for the specified element.
static UndefValue * get(Type *T)
Static factory methods - Return an 'undef' object of the specified type.
unsigned getNumElements() const
Return the number of elements in the array, vector, or struct.
UndefValue * getSequentialElement() const
If this Undef has array or vector type, return a undef with the right element type.
A Use represents the edge between a Value definition and its users.
const Use * getOperandList() const
void setOperand(unsigned i, Value *Val)
Value * getOperand(unsigned i) const
unsigned getNumOperands() const
iterator_range< value_op_iterator > operand_values()
LLVM Value Representation.
Type * getType() const
All values are typed, get the type of this value.
user_iterator_impl< const User > const_user_iterator
user_iterator user_begin()
unsigned char SubclassOptionalData
Hold subclass data that can be dropped.
const Value * stripAndAccumulateConstantOffsets(const DataLayout &DL, APInt &Offset, bool AllowNonInbounds, bool AllowInvariantGroup=false, function_ref< bool(Value &Value, APInt &Offset)> ExternalAnalysis=nullptr) const
Accumulate the constant offset this value has compared to a base pointer.
const Value * stripPointerCastsAndAliases() const
Strip off pointer casts, all-zero GEPs, address space casts, and aliases.
const Value * stripInBoundsConstantOffsets() const
Strip off pointer casts and all-constant inbounds GEPs.
void replaceAllUsesWith(Value *V)
Change all uses of this to point to a new Value.
iterator_range< user_iterator > users()
unsigned getValueID() const
Return an ID for the concrete type of this object.
const Value * stripPointerCasts() const
Strip off pointer casts, all-zero GEPs and address space casts.
LLVMContext & getContext() const
All values hold a context through their type.
iterator_range< use_iterator > uses()
void mutateType(Type *Ty)
Mutate the type of this Value to be of the specified type.
ValueTy
Concrete subclass of this.
Base class of all SIMD vector types.
ElementCount getElementCount() const
Return an ElementCount instance to represent the (possibly scalable) number of elements in the vector...
static VectorType * getInteger(VectorType *VTy)
This static method gets a VectorType with the same number of elements as the input type,...
static VectorType * get(Type *ElementType, ElementCount EC)
This static method is the primary way to construct an VectorType.
Type * getElementType() const
An efficient, type-erasing, non-owning reference to a callable.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
@ C
The default llvm calling convention, compatible with C.
bool match(Val *V, const Pattern &P)
specificval_ty m_Specific(const Value *V)
Match if we have a specific specified value.
cst_pred_ty< is_one > m_One()
Match an integer 1 or a vector with all elements equal to 1.
apint_match m_APInt(const APInt *&Res)
Match a ConstantInt or splatted ConstantVector, binding the specified pointer to the contained APInt.
class_match< Value > m_Value()
Match an arbitrary value and ignore it.
auto m_Undef()
Match an arbitrary undef constant.
initializer< Ty > init(const Ty &Val)
NodeAddr< FuncNode * > Func
This is an optimization pass for GlobalISel generic memory operations.
bool all_of(R &&range, UnaryPredicate P)
Provide wrappers to std::all_of which take ranges instead of having to pass begin/end explicitly.
auto size(R &&Range, std::enable_if_t< std::is_base_of< std::random_access_iterator_tag, typename std::iterator_traits< decltype(Range.begin())>::iterator_category >::value, void > *=nullptr)
Get the size of a range.
bool isUIntN(unsigned N, uint64_t x)
Checks if an unsigned integer fits into the given (dynamic) bit width.
Constant * ConstantFoldCompareInstruction(CmpInst::Predicate Predicate, Constant *C1, Constant *C2)
gep_type_iterator gep_type_end(const User *GEP)
void deleteConstant(Constant *C)
Constant * ConstantFoldGetElementPtr(Type *Ty, Constant *C, std::optional< ConstantRange > InRange, ArrayRef< Value * > Idxs)
decltype(auto) get(const PointerIntPair< PointerTy, IntBits, IntType, PtrTraits, Info > &Pair)
Constant * ConstantFoldInsertElementInstruction(Constant *Val, Constant *Elt, Constant *Idx)
Attempt to constant fold an insertelement instruction with the specified operands and indices.
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
Constant * ConstantFoldExtractElementInstruction(Constant *Val, Constant *Idx)
Attempt to constant fold an extractelement instruction with the specified operands and indices.
bool isIntN(unsigned N, int64_t x)
Checks if an signed integer fits into the given (dynamic) bit width.
OutputIt copy(R &&Range, OutputIt Out)
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
gep_type_iterator gep_type_begin(const User *GEP)
Constant * ConstantFoldCastInstruction(unsigned opcode, Constant *V, Type *DestTy)
Constant * ConstantFoldShuffleVectorInstruction(Constant *V1, Constant *V2, ArrayRef< int > Mask)
Attempt to constant fold a shufflevector instruction with the specified operands and mask.
Constant * ConstantFoldBinaryInstruction(unsigned Opcode, Constant *V1, Constant *V2)
Implement std::hash so that hash_code can be used in STL containers.
static const fltSemantics & IEEEsingle() LLVM_READNONE
static constexpr roundingMode rmNearestTiesToEven
static const fltSemantics & PPCDoubleDouble() LLVM_READNONE
static const fltSemantics & x87DoubleExtended() LLVM_READNONE
static const fltSemantics & IEEEquad() LLVM_READNONE
static const fltSemantics & IEEEdouble() LLVM_READNONE
static const fltSemantics & IEEEhalf() LLVM_READNONE
static const fltSemantics & BFloat() LLVM_READNONE
Compile-time customization of User operands.