80 TRI = MF->getSubtarget().getRegisterInfo();
81 MRI = &MF->getRegInfo();
82 IntrinsicInfo = MF->getTarget().getIntrinsicInfo();
83 TII = MF->getSubtarget().getInstrInfo();
99 : MCID(&TID), NumOperands(0), Flags(0), AsmPrinterFlags(0),
100 DbgLoc(
std::
move(
DL)), DebugInstrNum(0) {
106 CapOperands = OperandCapacity::get(NumOps);
118 : MCID(&
MI.
getDesc()), NumOperands(0),
Flags(0), AsmPrinterFlags(0),
122 CapOperands = OperandCapacity::get(
MI.getNumOperands());
134 NewMO.TiedTo = OrigMO.TiedTo;
169 MRI.removeRegOperandFromUseList(&MO);
175 MRI.addRegOperandToUseList(&MO);
180 assert(
MBB &&
"Use MachineInstrBuilder to add operands to dangling instrs");
182 assert(MF &&
"Use MachineInstrBuilder to add operands to dangling instrs");
191 return MRI->moveOperands(Dst, Src, NumOps);
193 assert(Dst && Src &&
"Unknown operands");
202 assert(isUInt<LLVM_MI_NUMOPERANDS_BITS>(NumOperands + 1) &&
203 "Cannot add more operands.");
204 assert(MCID &&
"Cannot add operands before providing an instr descriptor");
207 if (&
Op >= Operands && &
Op < Operands + NumOperands) {
223 bool isImpReg =
Op.isReg() &&
Op.isImplicit();
225 while (OpNo && Operands[OpNo-1].
isReg() && Operands[OpNo-1].isImplicit()) {
227 assert(!Operands[OpNo].isTied() &&
"Cannot move tied operands");
238 OperandCapacity OldCap = CapOperands;
241 CapOperands = OldOperands ? OldCap.getNext() : OldCap.get(1);
249 if (OpNo != NumOperands)
250 moveOperands(Operands + OpNo + 1, OldOperands + OpNo, NumOperands - OpNo,
255 if (OldOperands != Operands && OldOperands)
260 NewMO->ParentMI =
this;
263 if (NewMO->
isReg()) {
265 NewMO->Contents.Reg.Prev =
nullptr;
270 MRI->addRegOperandToUseList(NewMO);
276 if (NewMO->
isUse()) {
298 if (Operands[i].
isReg())
299 assert(!Operands[i].isTied() &&
"Cannot move tied operands");
304 MRI->removeRegOperandFromUseList(Operands + OpNo);
310 if (
unsigned N = NumOperands - 1 - OpNo)
321 bool HasPreInstrSymbol = PreInstrSymbol !=
nullptr;
322 bool HasPostInstrSymbol = PostInstrSymbol !=
nullptr;
323 bool HasHeapAllocMarker = HeapAllocMarker !=
nullptr;
324 bool HasPCSections = PCSections !=
nullptr;
325 bool HasCFIType = CFIType != 0;
326 int NumPointers = MMOs.
size() + HasPreInstrSymbol + HasPostInstrSymbol +
327 HasHeapAllocMarker + HasPCSections + HasCFIType;
330 if (NumPointers <= 0) {
339 else if (NumPointers > 1 || HasHeapAllocMarker || HasPCSections ||
341 Info.set<EIIK_OutOfLine>(
343 HeapAllocMarker, PCSections, CFIType));
348 if (HasPreInstrSymbol)
349 Info.set<EIIK_PreInstrSymbol>(PreInstrSymbol);
350 else if (HasPostInstrSymbol)
351 Info.set<EIIK_PostInstrSymbol>(PostInstrSymbol);
353 Info.set<EIIK_MMO>(MMOs[0]);
389 "Invalid machine functions when cloning memory refrences!");
409 if (
LHS.size() !=
RHS.size())
414 return std::equal(LHSPointees.begin(), LHSPointees.end(),
415 RHSPointees.begin());
425 if (MIs.
size() == 1) {
441 "Invalid machine functions when cloning memory references!");
446 "Invalid machine functions when cloning memory references!");
457 if (
MI.memoperands_empty()) {
463 MergedMMOs.
append(
MI.memoperands_begin(),
MI.memoperands_end());
475 if (!Symbol && Info.is<EIIK_PreInstrSymbol>()) {
490 if (!Symbol && Info.is<EIIK_PostInstrSymbol>()) {
533 "Invalid machine functions when cloning instruction symbols!");
551 dyn_cast<OverflowingBinaryOperator>(&
I)) {
552 if (OB->hasNoSignedWrap())
554 if (OB->hasNoUnsignedWrap())
560 if (PNI->hasNonNeg())
564 dyn_cast<PossiblyDisjointInst>(&
I)) {
565 if (PD->isDisjoint())
581 if (Flags.noSignedZeros())
583 if (Flags.allowReciprocal())
585 if (Flags.allowContract())
587 if (Flags.approxFunc())
589 if (Flags.allowReassoc())
593 if (
I.getMetadata(LLVMContext::MD_unpredictable))
603bool MachineInstr::hasPropertyInBundle(
uint64_t Mask, QueryType
Type)
const {
606 if (MII->getDesc().getFlags() & Mask) {
614 if (!MII->isBundledWithSucc())
631 assert(
Other.isBundle() &&
"Expected that both instructions are bundles.");
636 while (I1->isBundledWithSucc() && I2->isBundledWithSucc()) {
639 if (!I1->isIdenticalTo(*I2,
Check))
644 if (I1->isBundledWithSucc() || I2->isBundledWithSucc())
712 Other.getDebugExpression(),
Other.isIndirectDebugValue()))
745 case TargetOpcode::PATCHPOINT:
746 case TargetOpcode::STACKMAP:
747 case TargetOpcode::STATEPOINT:
748 case TargetOpcode::FENTRY_CALL:
798 assert(!Pred->isBundledWithSucc() &&
"Inconsistent bundle flags");
807 assert(!Succ->isBundledWithPred() &&
"Inconsistent bundle flags");
816 assert(Pred->isBundledWithSucc() &&
"Inconsistent bundle flags");
825 assert(Succ->isBundledWithPred() &&
"Inconsistent bundle flags");
845 unsigned *GroupNo)
const {
862 NumOps = 1 +
F.getNumOperandRegisters();
863 if (i + NumOps > OpIdx) {
875 return cast<DILabel>(
getOperand(0).getMetadata());
919 assert(
getMF() &&
"Can't have an MF reference here!");
941 if ((
F.isRegUseKind() ||
F.isRegDefKind() ||
F.isRegDefEarlyClobberKind()) &&
942 F.hasRegClassConstraint(RCID))
943 return TRI->getRegClass(RCID);
947 return TRI->getPointerRegClass(MF);
960 CurRC = OpndIt->getParent()->getRegClassConstraintEffectForVRegImpl(
961 OpndIt.getOperandNo(), Reg, CurRC,
TII,
TRI);
964 for (
unsigned i = 0, e = NumOperands; i < e && CurRC; ++i)
965 CurRC = getRegClassConstraintEffectForVRegImpl(i, Reg, CurRC,
TII,
TRI);
972 assert(CurRC &&
"Invalid initial register class");
987 "Cannot get register constraints for non-register operand");
988 assert(CurRC &&
"Invalid initial register class");
991 CurRC =
TRI->getMatchingSuperRegClass(CurRC, OpRC, SubIdx);
993 CurRC =
TRI->getSubClassWithSubReg(CurRC, SubIdx);
995 CurRC =
TRI->getCommonSubClass(CurRC, OpRC);
1004 while (
I->isBundledWithSucc()) {
1034 if (MOReg == Reg || (
TRI && Reg && MOReg &&
TRI->regsOverlap(MOReg, Reg)))
1047 bool PartDef =
false;
1048 bool FullDef =
false;
1066 return std::make_pair(
Use || (PartDef && !FullDef), PartDef || FullDef);
1076 bool isPhys = Reg.isPhysical();
1086 bool Found = (MOReg == Reg);
1089 Found =
TRI->regsOverlap(MOReg, Reg);
1091 Found =
TRI->isSubRegister(MOReg, Reg);
1093 if (Found && (!isDead || MO.
isDead()))
1110 if (MCID.
operands()[i].isPredicate())
1135 assert(DefMO.
isDef() &&
"DefIdx must be a def operand");
1136 assert(UseMO.
isUse() &&
"UseIdx must be a use operand");
1137 assert(!DefMO.
isTied() &&
"Def is already tied to another use");
1138 assert(!UseMO.
isTied() &&
"Use is already tied to another def");
1141 UseMO.TiedTo = DefIdx + 1;
1148 "DefIdx out of range");
1153 DefMO.TiedTo = std::min(UseIdx + 1,
TiedMax);
1165 return MO.TiedTo - 1;
1175 if (UseMO.
isReg() && UseMO.
isUse() && UseMO.TiedTo == OpIdx + 1)
1181 if (
getOpcode() == TargetOpcode::STATEPOINT) {
1186 assert(CurUseIdx != -1U &&
"only gc pointer statepoint operands can be tied");
1188 for (
unsigned CurDefIdx = 0; CurDefIdx < NumDefs; ++CurDefIdx) {
1191 if (OpIdx == CurDefIdx)
1193 if (OpIdx == CurUseIdx)
1203 unsigned OpIdxGroup = ~0u;
1208 assert(FlagMO.
isImm() &&
"Invalid tied operand on inline asm");
1209 unsigned CurGroup = GroupIdx.
size();
1212 NumOps = 1 +
F.getNumOperandRegisters();
1214 if (OpIdx > i && OpIdx < i + NumOps)
1215 OpIdxGroup = CurGroup;
1217 if (!
F.isUseOperandTiedToDef(TiedGroup))
1221 unsigned Delta = i - GroupIdx[TiedGroup];
1224 if (OpIdxGroup == CurGroup)
1225 return OpIdx - Delta;
1228 if (OpIdxGroup == TiedGroup)
1229 return OpIdx + Delta;
1248 ToReg = RegInfo.
getSubReg(ToReg, SubIdx);
1314 int64_t MinOffset = std::min(OffsetA, OffsetB);
1318 bool KnownWidthA = WidthA.
hasValue();
1319 bool KnownWidthB = WidthB.
hasValue();
1324 bool SameVal = (ValA && ValB && (ValA == ValB));
1328 if (PSVa && ValB && !PSVa->
mayAlias(&MFI))
1330 if (PSVb && ValA && !PSVb->
mayAlias(&MFI))
1332 if (PSVa && PSVb && (PSVa == PSVb))
1336 if (SameVal && BothMMONonScalable) {
1337 if (!KnownWidthA || !KnownWidthB)
1339 int64_t MaxOffset = std::max(OffsetA, OffsetB);
1340 int64_t LowWidth = (MinOffset == OffsetA)
1343 return (MinOffset + LowWidth > MaxOffset);
1352 assert((OffsetA >= 0) &&
"Negative MachineMemOperand offset");
1353 assert((OffsetB >= 0) &&
"Negative MachineMemOperand offset");
1411 if (NumChecks >
TII->getMemOperandAACheckLimit())
1417 for (
auto *MMOb :
Other.memoperands())
1463 if (!MMO->isUnordered())
1468 if (MMO->isStore())
return false;
1469 if (MMO->isInvariant() && MMO->isDereferenceable())
1474 if (PSV->isConstant(&MFI))
1493 "It's illegal to have a PHI without source operands");
1553 if (MCID.
Opcode == TargetOpcode::STATEPOINT)
1557 if (!Operand.isReg() || Operand.isDef())
1562 if (ExpectedTiedIdx != TiedIdx)
1575 return MRI.getType(
Op.getReg());
1578 if (!OpInfo.isGenericType())
1579 return MRI.getType(
Op.getReg());
1581 if (PrintedTypes[OpInfo.getGenericTypeIndex()])
1584 LLT TypeToPrint =
MRI.getType(
Op.getReg());
1588 PrintedTypes.
set(OpInfo.getGenericTypeIndex());
1592#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
1603 if (!AlreadySeenInstrs.
insert(
this).second)
1614 if (Reg.isPhysical())
1617 if (NewMI ==
nullptr)
1631 bool SkipDebugLoc,
bool AddNewLine,
1633 const Module *M =
nullptr;
1645 print(
OS, MST, IsStandalone, SkipOpers, SkipDebugLoc, AddNewLine,
TII);
1649 bool IsStandalone,
bool SkipOpers,
bool SkipDebugLoc,
1662 auto getTiedOperandIdx = [&](
unsigned OpIdx) {
1663 if (!ShouldPrintRegisterTies)
1670 unsigned StartOp = 0;
1674 while (StartOp < e) {
1683 unsigned TiedOperandIdx = getTiedOperandIdx(StartOp);
1684 MO.
print(
OS, MST, TypeToPrint, StartOp,
false, IsStandalone,
1685 ShouldPrintRegisterTies, TiedOperandIdx,
TRI, IntrinsicInfo);
1693 OS <<
"frame-setup ";
1695 OS <<
"frame-destroy ";
1717 OS <<
"nofpexcept ";
1735 bool FirstOp =
true;
1736 unsigned AsmDescOp = ~0u;
1737 unsigned AsmOpCount = 0;
1744 unsigned TiedOperandIdx = getTiedOperandIdx(OpIdx);
1746 ShouldPrintRegisterTies, TiedOperandIdx,
TRI,
1752 OS <<
" [sideeffect]";
1756 OS <<
" [maystore]";
1758 OS <<
" [isconvergent]";
1760 OS <<
" [alignstack]";
1762 OS <<
" [attdialect]";
1764 OS <<
" [inteldialect]";
1773 if (FirstOp) FirstOp =
false;
else OS <<
",";
1778 auto *DIV = dyn_cast<DILocalVariable>(MO.
getMetadata());
1779 if (DIV && !DIV->getName().empty())
1780 OS <<
"!\"" << DIV->getName() <<
'\"';
1783 unsigned TiedOperandIdx = getTiedOperandIdx(i);
1784 MO.
print(
OS, MST, TypeToPrint, i,
true, IsStandalone,
1785 ShouldPrintRegisterTies, TiedOperandIdx,
TRI, IntrinsicInfo);
1790 if (DIL && !DIL->getName().empty())
1791 OS <<
"\"" << DIL->getName() <<
'\"';
1794 unsigned TiedOperandIdx = getTiedOperandIdx(i);
1795 MO.
print(
OS, MST, TypeToPrint, i,
true, IsStandalone,
1796 ShouldPrintRegisterTies, TiedOperandIdx,
TRI, IntrinsicInfo);
1798 }
else if (i == AsmDescOp && MO.
isImm()) {
1800 OS <<
'$' << AsmOpCount++;
1801 unsigned Flag = MO.
getImm();
1804 OS <<
F.getKindName();
1807 if (!
F.isImmKind() && !
F.isMemKind() &&
F.hasRegClassConstraint(RCID)) {
1809 OS <<
':' <<
TRI->getRegClassName(
TRI->getRegClass(RCID));
1811 OS <<
":RC" << RCID;
1814 if (
F.isMemKind()) {
1820 if (
F.isUseOperandTiedToDef(TiedTo))
1821 OS <<
" tiedto:$" << TiedTo;
1823 if ((
F.isRegDefKind() ||
F.isRegDefEarlyClobberKind() ||
1824 F.isRegUseKind()) &&
1825 F.getRegMayBeFolded()) {
1832 AsmDescOp += 1 +
F.getNumOperandRegisters();
1835 unsigned TiedOperandIdx = getTiedOperandIdx(i);
1839 MO.
print(
OS, MST, TypeToPrint, i,
true, IsStandalone,
1840 ShouldPrintRegisterTies, TiedOperandIdx,
TRI, IntrinsicInfo);
1851 OS <<
" pre-instr-symbol ";
1859 OS <<
" post-instr-symbol ";
1867 OS <<
" heap-alloc-marker ";
1875 OS <<
" pcsections ";
1881 OS <<
" cfi-type " << CFIType;
1884 if (DebugInstrNum) {
1887 OS <<
" debug-instr-number " << DebugInstrNum;
1890 if (!SkipDebugLoc) {
1894 OS <<
" debug-location ";
1902 std::unique_ptr<LLVMContext> CtxPtr;
1908 CtxPtr = std::make_unique<LLVMContext>();
1913 bool NeedComma =
false;
1925 bool HaveSemi =
false;
1947 OS <<
" line no:" << DV->getLine();
1960 bool AddIfNotFound) {
1962 bool hasAliases = isPhysReg &&
1981 if (Reg == IncomingReg) {
1992 }
else if (hasAliases && MO.
isKill() && Reg.isPhysical()) {
2002 while (!DeadOps.
empty()) {
2003 unsigned OpIdx = DeadOps.
back();
2014 if (!Found && AddIfNotFound) {
2026 if (!Reg.isPhysical())
2032 if ((RegInfo && RegInfo->
regsOverlap(Reg, OpReg)) || Reg == OpReg)
2039 bool AddIfNotFound) {
2040 bool isPhysReg = Reg.isPhysical();
2041 bool hasAliases = isPhysReg &&
2066 while (!DeadOps.
empty()) {
2067 unsigned OpIdx = DeadOps.
back();
2078 if (Found || !AddIfNotFound)
2107 if (Reg.isPhysical()) {
2125 bool HasRegMask =
false;
2133 if (!Reg.isPhysical())
2144 for (
const Register &UsedReg : UsedRegs)
2152 HashComponents.
reserve(
MI->getNumOperands() + 1);
2166 const MDNode *LocMD =
nullptr;
2172 mdconst::dyn_extract<ConstantInt>(LocMD->
getOperand(0))) {
2173 LocCookie = CI->getZExtValue();
2189 assert(isa<DILocalVariable>(Variable) &&
"not a variable");
2190 assert(cast<DIExpression>(Expr)->
isValid() &&
"not an expression");
2191 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(
DL) &&
2192 "Expected inlined-at fields to agree");
2205 assert(isa<DILocalVariable>(Variable) &&
"not a variable");
2206 assert(cast<DIExpression>(Expr)->
isValid() &&
"not an expression");
2207 assert(cast<DILocalVariable>(Variable)->isValidLocationForIntrinsic(
DL) &&
2208 "Expected inlined-at fields to agree");
2209 if (MCID.
Opcode == TargetOpcode::DBG_VALUE) {
2211 "DBG_VALUE must contain exactly one debug operand");
2213 if (DebugOp.
isReg())
2226 MIB.addMetadata(Variable).addMetadata(Expr);
2228 if (DebugOp.isReg())
2229 MIB.addReg(DebugOp.getReg());
2254 BuildMI(MF,
DL, MCID, IsIndirect, DebugOps, Variable, Expr);
2264 assert(
MI.getDebugVariable()->isValidLocationForIntrinsic(
MI.getDebugLoc()) &&
2265 "Expected inlined-at fields to agree");
2268 if (
MI.isIndirectDebugValue()) {
2269 assert(
MI.getDebugOffset().getImm() == 0 &&
2270 "DBG_VALUE with nonzero offset");
2272 }
else if (
MI.isDebugValueList()) {
2275 std::array<uint64_t, 1> Ops{{dwarf::DW_OP_deref}};
2277 unsigned OpIdx =
MI.getDebugOperandIndex(
Op);
2285 assert(
MI.hasDebugOperandForReg(SpillReg) &&
"Spill Reg is not used in MI.");
2295 int FrameIndex,
Register SpillReg) {
2297 "DBG_INSTR_REF should not reference a virtual register.");
2308 if (
Op.isReg() &&
Op.getReg() == SpillReg)
2343 Op.ChangeToFrameIndex(FrameIndex);
2350 if (!
MI.getOperand(0).isReg())
2356 if (!DI->isDebugValue())
2358 if (DI->hasDebugOperandForReg(
MI.getOperand(0).getReg()))
2371 auto *
MRI = getRegInfo();
2372 for (
auto &MO :
MRI->use_operands(DefReg)) {
2374 if (!DI->isDebugValue())
2376 if (DI->hasDebugOperandForReg(DefReg)) {
2382 for (
auto *DBI : DbgValues)
2392 for (
const auto *
A : Accesses) {
2394 cast<FixedStackPseudoSourceValue>(
A->getPseudoValue())
2395 ->getFrameIndex())) {
2405std::optional<LocationSize>
2408 if (
TII->isStoreToStackSlotPostFE(*
this, FI)) {
2413 return std::nullopt;
2416std::optional<LocationSize>
2421 return std::nullopt;
2424std::optional<LocationSize>
2427 if (
TII->isLoadFromStackSlotPostFE(*
this, FI)) {
2432 return std::nullopt;
2435std::optional<LocationSize>
2440 return std::nullopt;
2444 if (DebugInstrNum == 0)
2446 return DebugInstrNum;
2450 if (DebugInstrNum == 0)
2452 return DebugInstrNum;
2481std::tuple<Register, LLT, Register, LLT>
2485 return std::tuple(Reg0, getRegInfo()->
getType(Reg0), Reg1,
2489std::tuple<Register, LLT, Register, LLT, Register, LLT>
2494 return std::tuple(Reg0, getRegInfo()->
getType(Reg0), Reg1,
2495 getRegInfo()->
getType(Reg1), Reg2,
2499std::tuple<Register, LLT, Register, LLT, Register, LLT, Register, LLT>
2506 Reg0, getRegInfo()->
getType(Reg0), Reg1, getRegInfo()->
getType(Reg1),
2507 Reg2, getRegInfo()->
getType(Reg2), Reg3, getRegInfo()->
getType(Reg3));
2519 Reg0, getRegInfo()->
getType(Reg0), Reg1, getRegInfo()->
getType(Reg1),
2520 Reg2, getRegInfo()->
getType(Reg2), Reg3, getRegInfo()->
getType(Reg3),
2521 Reg4, getRegInfo()->
getType(Reg4));
2526 assert(InsertBefore !=
nullptr &&
"invalid iterator");
2528 "iterator points to operand of other inst");
2538 TiedOpIndices[OpNo] = TiedTo;
2545 unsigned OpsToMove = NumOperands - OpIdx;
2550 for (
unsigned I = 0;
I < OpsToMove; ++
I) {
2560 for (
auto [Tie1, Tie2] : TiedOpIndices) {
2570 assert(OpId &&
"expected non-zero operand id");
2581 if (
F.isRegUseKind() ||
F.isRegDefKind() ||
F.isRegDefEarlyClobberKind())
2582 return F.getRegMayBeFolded();
unsigned const MachineRegisterInfo * MRI
MachineBasicBlock MachineBasicBlock::iterator DebugLoc DL
static GCRegistry::Add< ErlangGC > A("erlang", "erlang-compatible garbage collector")
Analysis containing CSE Info
#define LLVM_DUMP_METHOD
Mark debug helper function definitions like dump() that should not be stripped from debug builds.
This file contains the declarations for the subclasses of Constant, which represent the different fla...
const HexagonInstrInfo * TII
static const unsigned MaxDepth
Implement a low-level type suitable for MachineInstr level instruction selection.
static DebugLoc getDebugLoc(MachineBasicBlock::instr_iterator FirstMI, MachineBasicBlock::instr_iterator LastMI)
Return the first found DebugLoc that has a DILocation, given a range of instructions.
static void moveOperands(MachineOperand *Dst, MachineOperand *Src, unsigned NumOps, MachineRegisterInfo *MRI)
Move NumOps MachineOperands from Src to Dst, with support for overlapping ranges.
static LocationSize getSpillSlotSize(const MMOList &Accesses, const MachineFrameInfo &MFI)
static bool MemOperandsHaveAlias(const MachineFrameInfo &MFI, AAResults *AA, bool UseTBAA, const MachineMemOperand *MMOa, const MachineMemOperand *MMOb)
static void tryToGetTargetInfo(const MachineInstr &MI, const TargetRegisterInfo *&TRI, const MachineRegisterInfo *&MRI, const TargetIntrinsicInfo *&IntrinsicInfo, const TargetInstrInfo *&TII)
static const DIExpression * computeExprForSpill(const MachineInstr &MI, SmallVectorImpl< const MachineOperand * > &SpilledOperands)
Compute the new DIExpression to use with a DBG_VALUE for a spill slot.
static const MachineFunction * getMFIfAvailable(const MachineInstr &MI)
static bool hasIdenticalMMOs(ArrayRef< MachineMemOperand * > LHS, ArrayRef< MachineMemOperand * > RHS)
Check to see if the MMOs pointed to by the two MemRefs arrays are identical.
unsigned const TargetRegisterInfo * TRI
This file provides utility analysis objects describing memory locations.
static unsigned getReg(const MCDisassembler *D, unsigned RC, unsigned RegNo)
static bool isReg(const MCInst &MI, unsigned OpNo)
Module.h This file contains the declarations for the Module class.
static bool isValid(const char C)
Returns true if C is a valid mangled character: <0-9a-zA-Z_>.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
static cl::opt< bool > UseTBAA("use-tbaa-in-sched-mi", cl::Hidden, cl::init(true), cl::desc("Enable use of TBAA during MI DAG construction"))
This file implements the SmallBitVector class.
This file defines the SmallVector class.
static SymbolRef::Type getType(const Symbol *Sym)
bool isNoAlias(const MemoryLocation &LocA, const MemoryLocation &LocB)
A trivial helper function to check to see if the specified pointers are no-alias.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
size_t size() const
size - Get the array size.
bool empty() const
empty - Check if the array is empty.
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.
ConstMIBundleOperands - Iterate over all operands in a const bundle of machine instructions.
This is the shared class of boolean and integer constants.
bool isEntryValue() const
Check if the expression consists of exactly one entry value operand.
static bool isEqualExpression(const DIExpression *FirstExpr, bool FirstIndirect, const DIExpression *SecondExpr, bool SecondIndirect)
Determines whether two debug values should produce equivalent DWARF expressions, using their DIExpres...
static DIExpression * appendOpsToArg(const DIExpression *Expr, ArrayRef< uint64_t > Ops, unsigned ArgNo, bool StackValue=false)
Create a copy of Expr by appending the given list of Ops to each instance of the operand DW_OP_LLVM_a...
static DIExpression * prepend(const DIExpression *Expr, uint8_t Flags, int64_t Offset=0)
Prepend DIExpr with a deref and offset operation and optionally turn it into a stack value or/and an ...
This class represents an Operation in the Expression.
bool print(raw_ostream &OS, DIDumpOptions DumpOpts, const DWARFExpression *Expr, DWARFUnit *U) const
bool hasTrivialDestructor() const
Check whether this has a trivial destructor.
Utility class for floating point operations which can have information about relaxed accuracy require...
Convenience struct for specifying and reasoning about fast-math flags.
LLVMContext & getContext() const
getContext - Return a reference to the LLVMContext associated with this function.
bool hasStoreToStackSlot(const MachineInstr &MI, SmallVectorImpl< const MachineMemOperand * > &Accesses) const override
Check if the instruction or the bundle of instructions has store to stack slots.
bool areMemAccessesTriviallyDisjoint(const MachineInstr &MIa, const MachineInstr &MIb) const override
bool hasLoadFromStackSlot(const MachineInstr &MI, SmallVectorImpl< const MachineMemOperand * > &Accesses) const override
Check if the instruction or the bundle of instructions has load from stack slots.
static StringRef getMemConstraintName(ConstraintCode C)
constexpr bool isValid() const
This is an important class for using LLVM in a threaded context.
void emitError(uint64_t LocCookie, const Twine &ErrorStr)
emitError - Emit an error message to the currently installed error handler with optional location inf...
static LocationSize precise(uint64_t Value)
static constexpr LocationSize beforeOrAfterPointer()
Any location before or after the base pointer (but still within the underlying object).
TypeSize getValue() const
Describe properties that are true of each instruction in the target description file.
unsigned getNumOperands() const
Return the number of declared MachineOperands for this MachineInstruction.
ArrayRef< MCOperandInfo > operands() const
unsigned getNumDefs() const
Return the number of MachineOperands that are register definitions.
int getOperandConstraint(unsigned OpNum, MCOI::OperandConstraint Constraint) const
Returns the value of the specified operand constraint if it is present.
ArrayRef< MCPhysReg > implicit_defs() const
Return a list of registers that are potentially written by any instance of this machine instruction.
bool isPredicable() const
Return true if this instruction has a predicate operand that controls execution.
bool isVariadic() const
Return true if this instruction can have a variable number of operands.
ArrayRef< MCPhysReg > implicit_uses() const
Return a list of registers that are potentially read by any instance of this machine instruction.
MCRegAliasIterator enumerates all registers aliasing Reg.
bool isSubRegister(MCRegister RegA, MCRegister RegB) const
Returns true if RegB is a sub-register of RegA.
bool isSuperRegister(MCRegister RegA, MCRegister RegB) const
Returns true if RegB is a super-register of RegA.
Wrapper class representing physical registers. Should be passed by value.
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
const MDOperand & getOperand(unsigned I) const
unsigned getNumOperands() const
Return number of MDNode operands.
bool isValid() const
isValid - Returns true until all the operands have been visited.
MachineInstr * remove_instr(MachineInstr *I)
Remove the possibly bundled instruction from the instruction list without deleting it.
instr_iterator insert(instr_iterator I, MachineInstr *M)
Insert MI into the instruction list before I, possibly inside a bundle.
instr_iterator erase_instr(MachineInstr *I)
Remove an instruction from the instruction list and delete it.
void printAsOperand(raw_ostream &OS, bool PrintType=true) const
MachineInstr * remove(MachineInstr *I)
Remove the unbundled instruction from the instruction list without deleting it.
void print(raw_ostream &OS, const SlotIndexes *=nullptr, bool IsStandalone=true) const
Instructions::iterator instr_iterator
Instructions::const_iterator const_instr_iterator
const MachineFunction * getParent() const
Return the MachineFunction containing this basic block.
instr_iterator erase(instr_iterator I)
Remove an instruction from the instruction list and delete it.
void splice(iterator Where, MachineBasicBlock *Other, iterator From)
Take an instruction from MBB 'Other' at the position From, and insert it into this MBB right before '...
The MachineFrameInfo class represents an abstract stack frame until prolog/epilog code is inserted.
bool isSpillSlotObjectIndex(int ObjectIdx) const
Returns true if the specified index corresponds to a spill slot.
const TargetSubtargetInfo & getSubtarget() const
getSubtarget - Return the subtarget for which this machine code is being compiled.
unsigned getNewDebugInstrNum()
MachineFrameInfo & getFrameInfo()
getFrameInfo - Return the frame info object for the current function.
void deallocateOperandArray(OperandCapacity Cap, MachineOperand *Array)
Dellocate an array of MachineOperands and recycle the memory.
MachineOperand * allocateOperandArray(OperandCapacity Cap)
Allocate an array of MachineOperands.
MachineRegisterInfo & getRegInfo()
getRegInfo - Return information about the registers currently in use.
void handleChangeDesc(MachineInstr &MI, const MCInstrDesc &TID)
Function & getFunction()
Return the LLVM function that this machine code represents.
MachineModuleInfo & getMMI() const
MachineInstr::ExtraInfo * createMIExtraInfo(ArrayRef< MachineMemOperand * > MMOs, MCSymbol *PreInstrSymbol=nullptr, MCSymbol *PostInstrSymbol=nullptr, MDNode *HeapAllocMarker=nullptr, MDNode *PCSections=nullptr, uint32_t CFIType=0)
Allocate and construct an extra info structure for a MachineInstr.
const MachineInstrBuilder & addImm(int64_t Val) const
Add a new immediate operand.
const MachineInstrBuilder & add(const MachineOperand &MO) const
const MachineInstrBuilder & addMetadata(const MDNode *MD) const
const MachineInstrBuilder & addFrameIndex(int Idx) const
const MachineInstrBuilder & addReg(Register RegNo, unsigned flags=0, unsigned SubReg=0) const
Add a new virtual register operand.
Representation of each machine instruction.
int findRegisterUseOperandIdx(Register Reg, bool isKill=false, const TargetRegisterInfo *TRI=nullptr) const
Returns the operand index that is a use of the specific register or -1 if it is not found.
bool mayRaiseFPException() const
Return true if this instruction could possibly raise a floating-point exception.
unsigned getOpcode() const
Returns the opcode of this MachineInstr.
void setRegisterDefReadUndef(Register Reg, bool IsUndef=true)
Mark all subregister defs of register Reg with the undef flag.
static iterator_range< filter_iterator< Operand *, std::function< bool(Operand &Op)> > > getDebugOperandsForReg(Instruction *MI, Register Reg)
Returns a range of all of the operands that correspond to a debug use of Reg.
bool isDebugValueList() const
void bundleWithPred()
Bundle this instruction with its predecessor.
bool isSafeToMove(AAResults *AA, bool &SawStore) const
Return true if it is safe to move this instruction.
bool isTerminator(QueryType Type=AnyInBundle) const
Returns true if this instruction part of the terminator for a basic block.
std::tuple< Register, LLT, Register, LLT, Register, LLT, Register, LLT, Register, LLT > getFirst5RegLLTs() const
bool mayLoadOrStore(QueryType Type=AnyInBundle) const
Return true if this instruction could possibly read or modify memory.
void setCFIType(MachineFunction &MF, uint32_t Type)
Set the CFI type for the instruction.
MachineInstr * removeFromParent()
Unlink 'this' from the containing basic block, and return it without deleting it.
iterator_range< mop_iterator > debug_operands()
Returns a range over all operands that are used to determine the variable location for this DBG_VALUE...
const MachineBasicBlock * getParent() const
void bundleWithSucc()
Bundle this instruction with its successor.
uint32_t getCFIType() const
Helper to extract a CFI type hash if one has been added.
int findRegisterDefOperandIdx(Register Reg, bool isDead=false, bool Overlap=false, const TargetRegisterInfo *TRI=nullptr) const
Returns the operand index that is a def of the specified register or -1 if it is not found.
bool isDebugLabel() const
void setPreInstrSymbol(MachineFunction &MF, MCSymbol *Symbol)
Set a symbol that will be emitted just prior to the instruction itself.
bool hasProperty(unsigned MCFlag, QueryType Type=AnyInBundle) const
Return true if the instruction (or in the case of a bundle, the instructions inside the bundle) has t...
bool isDereferenceableInvariantLoad() const
Return true if this load instruction never traps and points to a memory location whose value doesn't ...
void setFlags(unsigned flags)
QueryType
API for querying MachineInstr properties.
void addImplicitDefUseOperands(MachineFunction &MF)
Add all implicit def and use operands to this instruction.
std::tuple< LLT, LLT, LLT, LLT, LLT > getFirst5LLTs() const
bool isCall(QueryType Type=AnyInBundle) const
std::tuple< Register, LLT, Register, LLT, Register, LLT > getFirst3RegLLTs() const
bool getFlag(MIFlag Flag) const
Return whether an MI flag is set.
uint32_t mergeFlagsWith(const MachineInstr &Other) const
Return the MIFlags which represent both MachineInstrs.
const MachineOperand & getDebugExpressionOp() const
Return the operand for the complex address expression referenced by this DBG_VALUE instruction.
std::pair< bool, bool > readsWritesVirtualRegister(Register Reg, SmallVectorImpl< unsigned > *Ops=nullptr) const
Return a pair of bools (reads, writes) indicating if this instruction reads or writes Reg.
bool isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx=nullptr) const
Return true if the use operand of the specified index is tied to a def operand.
bool allImplicitDefsAreDead() const
Return true if all the implicit defs of this instruction are dead.
void cloneMemRefs(MachineFunction &MF, const MachineInstr &MI)
Clone another MachineInstr's memory reference descriptor list and replace ours with it.
const TargetRegisterClass * getRegClassConstraintEffectForVReg(Register Reg, const TargetRegisterClass *CurRC, const TargetInstrInfo *TII, const TargetRegisterInfo *TRI, bool ExploreBundle=false) const
Applies the constraints (def/use) implied by this MI on Reg to the given CurRC.
bool isDebugInstr() const
unsigned getNumDebugOperands() const
Returns the total number of operands which are debug locations.
unsigned getNumOperands() const
Retuns the total number of operands.
void addOperand(MachineFunction &MF, const MachineOperand &Op)
Add the specified operand to the instruction.
MachineInstr * removeFromBundle()
Unlink this instruction from its basic block and return it without deleting it.
void dumpr(const MachineRegisterInfo &MRI, unsigned MaxDepth=UINT_MAX) const
Print on dbgs() the current instruction and the instructions defining its operands and so on until we...
void copyIRFlags(const Instruction &I)
Copy all flags to MachineInst MIFlags.
bool isDebugValueLike() const
bool memoperands_empty() const
Return true if we don't have any memory operands which described the memory access done by this instr...
mmo_iterator memoperands_end() const
Access to memory operands of the instruction.
void collectDebugValues(SmallVectorImpl< MachineInstr * > &DbgValues)
Scan instructions immediately following MI and collect any matching DBG_VALUEs.
std::optional< LocationSize > getRestoreSize(const TargetInstrInfo *TII) const
Return a valid size if the instruction is a restore instruction.
unsigned getOperandNo(const_mop_iterator I) const
Returns the number of the operand iterator I points to.
bool mayAlias(AAResults *AA, const MachineInstr &Other, bool UseTBAA) const
Returns true if this instruction's memory access aliases the memory access of Other.
unsigned getNumExplicitOperands() const
Returns the number of non-implicit operands.
void setMemRefs(MachineFunction &MF, ArrayRef< MachineMemOperand * > MemRefs)
Assign this MachineInstr's memory reference descriptor list.
bool isBundledWithPred() const
Return true if this instruction is part of a bundle, and it is not the first instruction in the bundl...
std::tuple< LLT, LLT > getFirst2LLTs() const
std::optional< LocationSize > getFoldedSpillSize(const TargetInstrInfo *TII) const
Return a valid size if the instruction is a folded spill instruction.
void unbundleFromPred()
Break bundle above this instruction.
void copyImplicitOps(MachineFunction &MF, const MachineInstr &MI)
Copy implicit register operands from specified instruction to this instruction.
bool mayLoad(QueryType Type=AnyInBundle) const
Return true if this instruction could possibly read memory.
bool isStackAligningInlineAsm() const
void dropMemRefs(MachineFunction &MF)
Clear this MachineInstr's memory reference descriptor list.
bool shouldUpdateCallSiteInfo() const
Return true if copying, moving, or erasing this instruction requires updating Call Site Info (see cop...
MDNode * getPCSections() const
Helper to extract PCSections metadata target sections.
bool isCFIInstruction() const
int findFirstPredOperandIdx() const
Find the index of the first operand in the operand list that is used to represent the predicate.
const MCInstrDesc & getDesc() const
Returns the target instruction descriptor of this MachineInstr.
unsigned getBundleSize() const
Return the number of instructions inside the MI bundle, excluding the bundle header.
void cloneMergedMemRefs(MachineFunction &MF, ArrayRef< const MachineInstr * > MIs)
Clone the merge of multiple MachineInstrs' memory reference descriptors list and replace ours with it...
std::tuple< Register, LLT, Register, LLT, Register, LLT, Register, LLT > getFirst4RegLLTs() const
std::tuple< Register, LLT, Register, LLT > getFirst2RegLLTs() const
unsigned getNumMemOperands() const
Return the number of memory operands.
void clearFlag(MIFlag Flag)
clearFlag - Clear a MI flag.
std::optional< LocationSize > getFoldedRestoreSize(const TargetInstrInfo *TII) const
Return a valid size if the instruction is a folded restore instruction.
unsigned isConstantValuePHI() const
If the specified instruction is a PHI that always merges together the same virtual register,...
const TargetRegisterClass * getRegClassConstraintEffect(unsigned OpIdx, const TargetRegisterClass *CurRC, const TargetInstrInfo *TII, const TargetRegisterInfo *TRI) const
Applies the constraints (def/use) implied by the OpIdx operand to the given CurRC.
bool isOperandSubregIdx(unsigned OpIdx) const
Return true if operand OpIdx is a subregister index.
InlineAsm::AsmDialect getInlineAsmDialect() const
bool hasUnmodeledSideEffects() const
Return true if this instruction has side effects that are not modeled by mayLoad / mayStore,...
bool isEquivalentDbgInstr(const MachineInstr &Other) const
Returns true if this instruction is a debug instruction that represents an identical debug value to O...
const DILabel * getDebugLabel() const
Return the debug label referenced by this DBG_LABEL instruction.
void untieRegOperand(unsigned OpIdx)
Break any tie involving OpIdx.
static uint32_t copyFlagsFromInstruction(const Instruction &I)
void insert(mop_iterator InsertBefore, ArrayRef< MachineOperand > Ops)
Inserts Ops BEFORE It. Can untie/retie tied operands.
void setDesc(const MCInstrDesc &TID)
Replace the instruction descriptor (thus opcode) of the current instruction with a new one.
bool isJumpTableDebugInfo() const
unsigned getNumExplicitDefs() const
Returns the number of non-implicit definitions.
void eraseFromBundle()
Unlink 'this' from its basic block and delete it.
iterator_range< mop_iterator > operands()
void setHeapAllocMarker(MachineFunction &MF, MDNode *MD)
Set a marker on instructions that denotes where we should create and emit heap alloc site labels.
const DILocalVariable * getDebugVariable() const
Return the debug variable referenced by this DBG_VALUE instruction.
bool hasComplexRegisterTies() const
Return true when an instruction has tied register that can't be determined by the instruction's descr...
LLT getTypeToPrint(unsigned OpIdx, SmallBitVector &PrintedTypes, const MachineRegisterInfo &MRI) const
Debugging supportDetermine the generic type to be printed (if needed) on uses and defs.
void substituteRegister(Register FromReg, Register ToReg, unsigned SubIdx, const TargetRegisterInfo &RegInfo)
Replace all occurrences of FromReg with ToReg:SubIdx, properly composing subreg indices where necessa...
unsigned findTiedOperandIdx(unsigned OpIdx) const
Given the index of a tied register operand, find the operand it is tied to.
void tieOperands(unsigned DefIdx, unsigned UseIdx)
Add a tie between the register operands at DefIdx and UseIdx.
mmo_iterator memoperands_begin() const
Access to memory operands of the instruction.
void cloneInstrSymbols(MachineFunction &MF, const MachineInstr &MI)
Clone another MachineInstr's pre- and post- instruction symbols and replace ours with it.
void changeDebugValuesDefReg(Register Reg)
Find all DBG_VALUEs that point to the register def in this instruction and point them to Reg instead.
bool isIdenticalTo(const MachineInstr &Other, MICheckType Check=CheckDefs) const
Return true if this instruction is identical to Other.
bool hasOrderedMemoryRef() const
Return true if this instruction may have an ordered or volatile memory reference, or if the informati...
const MachineFunction * getMF() const
Return the function that contains the basic block that this instruction belongs to.
const DIExpression * getDebugExpression() const
Return the complex address expression referenced by this DBG_VALUE instruction.
ArrayRef< MachineMemOperand * > memoperands() const
Access to memory operands of the instruction.
void print(raw_ostream &OS, bool IsStandalone=true, bool SkipOpers=false, bool SkipDebugLoc=false, bool AddNewLine=true, const TargetInstrInfo *TII=nullptr) const
Print this MI to OS.
bool isNonListDebugValue() const
bool isLoadFoldBarrier() const
Returns true if it is illegal to fold a load across this instruction.
bool mayStore(QueryType Type=AnyInBundle) const
Return true if this instruction could possibly modify memory.
void setFlag(MIFlag Flag)
Set a MI flag.
const DebugLoc & getDebugLoc() const
Returns the debug location id of this MachineInstr.
std::tuple< LLT, LLT, LLT > getFirst3LLTs() const
const MachineOperand & getDebugVariableOp() const
Return the operand for the debug variable referenced by this DBG_VALUE instruction.
void eraseFromParent()
Unlink 'this' from the containing basic block and delete it.
void setPhysRegsDeadExcept(ArrayRef< Register > UsedRegs, const TargetRegisterInfo &TRI)
Mark every physreg used by this instruction as dead except those in the UsedRegs list.
bool isCandidateForCallSiteEntry(QueryType Type=IgnoreBundle) const
Return true if this is a call instruction that may have an associated call site entry in the debug in...
void removeOperand(unsigned OpNo)
Erase an operand from an instruction, leaving it with one fewer operand than it started with.
MCSymbol * getPreInstrSymbol() const
Helper to extract a pre-instruction symbol if one has been added.
bool addRegisterKilled(Register IncomingReg, const TargetRegisterInfo *RegInfo, bool AddIfNotFound=false)
We have determined MI kills a register.
void setPostInstrSymbol(MachineFunction &MF, MCSymbol *Symbol)
Set a symbol that will be emitted just after the instruction itself.
bool isDebugValue() const
const MachineOperand & getDebugOffset() const
Return the operand containing the offset to be used if this DBG_VALUE instruction is indirect; will b...
MachineOperand & getDebugOperand(unsigned Index)
std::optional< LocationSize > getSpillSize(const TargetInstrInfo *TII) const
Return a valid size if the instruction is a spill instruction.
iterator_range< mop_iterator > implicit_operands()
bool isBundledWithSucc() const
Return true if this instruction is part of a bundle, and it is not the last instruction in the bundle...
void addRegisterDefined(Register Reg, const TargetRegisterInfo *RegInfo=nullptr)
We have determined MI defines a register.
MDNode * getHeapAllocMarker() const
Helper to extract a heap alloc marker if one has been added.
unsigned getDebugInstrNum()
Fetch the instruction number of this MachineInstr.
std::tuple< LLT, LLT, LLT, LLT > getFirst4LLTs() const
void clearRegisterDeads(Register Reg)
Clear all dead flags on operands defining register Reg.
void clearRegisterKills(Register Reg, const TargetRegisterInfo *RegInfo)
Clear all kill flags affecting Reg.
const MachineOperand & getOperand(unsigned i) const
uint32_t getFlags() const
Return the MI flags bitvector.
bool isPseudoProbe() const
bool hasRegisterImplicitUseOperand(Register Reg) const
Returns true if the MachineInstr has an implicit-use operand of exactly the given register (not consi...
MCSymbol * getPostInstrSymbol() const
Helper to extract a post-instruction symbol if one has been added.
void unbundleFromSucc()
Break bundle below this instruction.
void clearKillInfo()
Clears kill flags on all operands.
bool isDebugEntryValue() const
A DBG_VALUE is an entry value iff its debug expression contains the DW_OP_LLVM_entry_value operation.
bool isIndirectDebugValue() const
A DBG_VALUE is indirect iff the location operand is a register and the offset operand is an immediate...
unsigned getNumDefs() const
Returns the total number of definitions.
void emitError(StringRef Msg) const
Emit an error referring to the source location of this instruction.
void setPCSections(MachineFunction &MF, MDNode *MD)
MachineOperand * findRegisterDefOperand(Register Reg, bool isDead=false, bool Overlap=false, const TargetRegisterInfo *TRI=nullptr)
Wrapper for findRegisterDefOperandIdx, it returns a pointer to the MachineOperand rather than an inde...
bool isVariadic(QueryType Type=IgnoreBundle) const
Return true if this instruction can have a variable number of operands.
int findInlineAsmFlagIdx(unsigned OpIdx, unsigned *GroupNo=nullptr) const
Find the index of the flag word operand that corresponds to operand OpIdx on an inline asm instructio...
bool allDefsAreDead() const
Return true if all the defs of this instruction are dead.
const TargetRegisterClass * getRegClassConstraint(unsigned OpIdx, const TargetInstrInfo *TII, const TargetRegisterInfo *TRI) const
Compute the static register class constraint for operand OpIdx.
void moveBefore(MachineInstr *MovePos)
Move the instruction before MovePos.
void addMemOperand(MachineFunction &MF, MachineMemOperand *MO)
Add a MachineMemOperand to the machine instruction.
bool addRegisterDead(Register Reg, const TargetRegisterInfo *RegInfo, bool AddIfNotFound=false)
We have determined MI defined a register without a use.
bool mayFoldInlineAsmRegOp(unsigned OpId) const
Returns true if the register operand can be folded with a load or store into a frame index.
A description of a memory reference used in the backend.
LocationSize getSize() const
Return the size in bytes of the memory reference.
const PseudoSourceValue * getPseudoValue() const
bool isUnordered() const
Returns true if this memory operation doesn't have any ordering constraints other than normal aliasin...
AAMDNodes getAAInfo() const
Return the AA tags for the memory reference.
const Value * getValue() const
Return the base address of the memory access.
int64_t getOffset() const
For normal values, this is a byte offset added to the base address.
const Module * getModule() const
MachineOperand class - Representation of each machine instruction operand.
unsigned getSubReg() const
void substVirtReg(Register Reg, unsigned SubIdx, const TargetRegisterInfo &)
substVirtReg - Substitute the current register with the virtual subregister Reg:SubReg.
static void printSubRegIdx(raw_ostream &OS, uint64_t Index, const TargetRegisterInfo *TRI)
Print a subreg index operand.
bool isReg() const
isReg - Tests if this is a MO_Register operand.
bool isRegMask() const
isRegMask - Tests if this is a MO_RegisterMask operand.
const MDNode * getMetadata() const
void setIsDead(bool Val=true)
void setMetadata(const MDNode *MD)
bool isImm() const
isImm - Tests if this is a MO_Immediate operand.
void ChangeToImmediate(int64_t ImmVal, unsigned TargetFlags=0)
ChangeToImmediate - Replace this operand with a new immediate operand of the specified value.
bool isMetadata() const
isMetadata - Tests if this is a MO_Metadata operand.
void setIsKill(bool Val=true)
MachineInstr * getParent()
getParent - Return the instruction that this operand belongs to.
void substPhysReg(MCRegister Reg, const TargetRegisterInfo &)
substPhysReg - Substitute the current register with the physical register Reg, taking any existing Su...
void setIsEarlyClobber(bool Val=true)
void setIsUndef(bool Val=true)
void setIsDebug(bool Val=true)
Register getReg() const
getReg - Returns the register number.
bool isIdenticalTo(const MachineOperand &Other) const
Returns true if this operand is identical to the specified operand except for liveness related flags ...
static bool clobbersPhysReg(const uint32_t *RegMask, MCRegister PhysReg)
clobbersPhysReg - Returns true if this RegMask clobbers PhysReg.
void print(raw_ostream &os, const TargetRegisterInfo *TRI=nullptr, const TargetIntrinsicInfo *IntrinsicInfo=nullptr) const
Print the MachineOperand to os.
static void printSymbol(raw_ostream &OS, MCSymbol &Sym)
Print a MCSymbol as an operand.
static MachineOperand CreateReg(Register Reg, bool isDef, bool isImp=false, bool isKill=false, bool isDead=false, bool isUndef=false, bool isEarlyClobber=false, unsigned SubReg=0, bool isDebug=false, bool isInternalRead=false, bool isRenamable=false)
MachineRegisterInfo - Keep track of information for virtual and physical registers,...
Representation for a specific memory location.
Manage lifetime of a slot tracker for printing IR.
void incorporateFunction(const Function &F)
Incorporate the given function.
A Module instance is used to store all the information related to an LLVM module.
LLVMContext & getContext() const
Get the global data context.
Utility class for integer operators which may exhibit overflow - Add, Sub, Mul, and Shl.
An or instruction, which can be marked as "disjoint", indicating that the inputs don't have a 1 in th...
A udiv or sdiv instruction, which can be marked as "exact", indicating that no bits are destroyed.
Instruction that can have a nneg flag (only zext).
Special value supplied for machine level alias analysis.
virtual bool mayAlias(const MachineFrameInfo *) const
Return true if the memory pointed to by this PseudoSourceValue can ever alias an LLVM IR Value.
Wrapper class representing virtual and physical registers.
constexpr bool isVirtual() const
Return true if the specified register number is in the virtual register namespace.
constexpr bool isPhysical() const
Return true if the specified register number is in the physical register namespace.
This is a 'bitvector' (really, a variable-sized bit array), optimized for the case when the array is ...
A templated base class for SmallPtrSet which provides the typesafe interface that is common across al...
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.
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
reference emplace_back(ArgTypes &&... Args)
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.
static unsigned getNextMetaArgIdx(const MachineInstr *MI, unsigned CurIdx)
Get index of next meta operand.
MI-level Statepoint operands.
int getFirstGCPtrIdx()
Get index of first GC pointer operand of -1 if there are none.
StringRef - Represent a constant reference to a string, i.e.
TargetInstrInfo - Interface to description of machine instruction set.
TargetIntrinsicInfo - Interface to description of machine instruction set.
TargetRegisterInfo base class - We assume that the target defines a static array of TargetRegisterDes...
MCRegister getSubReg(MCRegister Reg, unsigned Idx) const
Returns the physical register number of sub-register "Index" for physical register RegNo.
bool regsOverlap(Register RegA, Register RegB) const
Returns true if the two registers are equal or alias each other.
virtual const TargetInstrInfo * getInstrInfo() const
The instances of the Type class are immutable: once they are created, they are never changed.
A Use represents the edge between a Value definition and its users.
LLVM Value Representation.
constexpr ScalarTy getKnownMinValue() const
Returns the minimum value this quantity can represent.
self_iterator getIterator()
This class implements an extremely fast bulk output stream that can only output to a stream.
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
MCInstrDesc const & getDesc(MCInstrInfo const &MCII, MCInst const &MCI)
This is an optimization pass for GlobalISel generic memory operations.
auto drop_begin(T &&RangeOrContainer, size_t N=1)
Return a range covering RangeOrContainer with the first N elements excluded.
hash_code hash_value(const FixedPointSemantics &Val)
formatted_raw_ostream & fdbgs()
fdbgs() - This returns a reference to a formatted_raw_ostream for debug output.
MachineInstrBuilder BuildMI(MachineFunction &MF, const MIMetadata &MIMD, const MCInstrDesc &MCID)
Builder interface. Specify how to create the initial instruction itself.
void updateDbgValueForSpill(MachineInstr &Orig, int FrameIndex, Register Reg)
Update a DBG_VALUE whose value has been spilled to FrameIndex.
bool any_of(R &&range, UnaryPredicate P)
Provide wrappers to std::any_of which take ranges instead of having to pass begin/end explicitly.
iterator_range< pointee_iterator< WrappedIteratorT > > make_pointee_range(RangeT &&Range)
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
bool none_of(R &&Range, UnaryPredicate P)
Provide wrappers to std::none_of which take ranges instead of having to pass begin/end explicitly.
void report_fatal_error(Error Err, bool gen_crash_diag=true)
Report a serious error, calling any installed error handler.
OutputIt move(R &&Range, OutputIt Out)
Provide wrappers to std::move which take ranges instead of having to pass begin/end explicitly.
MachineInstr * buildDbgValueForSpill(MachineBasicBlock &BB, MachineBasicBlock::iterator I, const MachineInstr &Orig, int FrameIndex, Register SpillReg)
Clone a DBG_VALUE whose value has been spilled to FrameIndex.
bool is_contained(R &&Range, const E &Element)
Returns true if Element is found in Range.
hash_code hash_combine_range(InputIteratorT first, InputIteratorT last)
Compute a hash_code for a sequence of values.
Implement std::hash so that hash_code can be used in STL containers.
A collection of metadata nodes that might be associated with a memory access used by the alias-analys...
static unsigned getHashValue(const MachineInstr *const &MI)