Optional<MCOperand>
X86MCInstLower::LowerMachineOperand(const MachineInstr *MI,
const MachineOperand &MO) const {
switch (MO.getType()) {
default:
MI->dump();
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
if (MO.isImplicit())
return None;
return MCOperand::createReg(MO.getReg());
case MachineOperand::MO_Immediate:
return MCOperand::createImm(MO.getImm());
case MachineOperand::MO_MachineBasicBlock:
case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol:
return LowerSymbolOperand(MO, GetSymbolFromOperand(MO));
case MachineOperand::MO_MCSymbol:
return LowerSymbolOperand(MO, MO.getMCSymbol());
case MachineOperand::MO_JumpTableIndex:
return LowerSymbolOperand(MO, AsmPrinter.GetJTISymbol(MO.getIndex()));
case MachineOperand::MO_ConstantPoolIndex:
return LowerSymbolOperand(MO, AsmPrinter.GetCPISymbol(MO.getIndex()));
case MachineOperand::MO_BlockAddress:
return LowerSymbolOperand(
MO, AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress()));
case MachineOperand::MO_RegisterMask:
// Ignore call clobbers.
return None;
}
}
/// isIdenticalTo - Return true if this operand is identical to the specified
/// operand.
bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const {
if (getType() != Other.getType() ||
getTargetFlags() != Other.getTargetFlags())
return false;
switch (getType()) {
default:
llvm_unreachable("Unrecognized operand type");
case MachineOperand::MO_Register:
return getReg() == Other.getReg() && isDef() == Other.isDef() &&
getSubReg() == Other.getSubReg();
case MachineOperand::MO_Immediate:
return getImm() == Other.getImm();
case MachineOperand::MO_FPImmediate:
return getFPImm() == Other.getFPImm();
case MachineOperand::MO_MachineBasicBlock:
return getMBB() == Other.getMBB();
case MachineOperand::MO_FrameIndex:
return getIndex() == Other.getIndex();
case MachineOperand::MO_ConstantPoolIndex:
return getIndex() == Other.getIndex() && getOffset() == Other.getOffset();
case MachineOperand::MO_JumpTableIndex:
return getIndex() == Other.getIndex();
case MachineOperand::MO_GlobalAddress:
return getGlobal() == Other.getGlobal() && getOffset() == Other.getOffset();
case MachineOperand::MO_ExternalSymbol:
return !strcmp(getSymbolName(), Other.getSymbolName()) &&
getOffset() == Other.getOffset();
case MachineOperand::MO_BlockAddress:
return getBlockAddress() == Other.getBlockAddress();
}
}
MCOperand Cpu0MCInstLower::LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy,
unsigned Offset) const {
MCSymbolRefExpr::VariantKind Kind;
const MCSymbol *Symbol;
switch(MO.getTargetFlags()) {
default: llvm_unreachable("Invalid target flag!");
case Cpu0II::MO_NO_FLAG: Kind = MCSymbolRefExpr::VK_None; break;
// Cpu0_GPREL is for llc -march=cpu0 -relocation-model=static -cpu0-islinux-
// format=false (global var in .sdata).
case Cpu0II::MO_GPREL: Kind = MCSymbolRefExpr::VK_Cpu0_GPREL; break;
case Cpu0II::MO_GOT_CALL: Kind = MCSymbolRefExpr::VK_Cpu0_GOT_CALL; break;
case Cpu0II::MO_GOT16: Kind = MCSymbolRefExpr::VK_Cpu0_GOT16; break;
case Cpu0II::MO_GOT: Kind = MCSymbolRefExpr::VK_Cpu0_GOT; break;
// ABS_HI and ABS_LO is for llc -march=cpu0 -relocation-model=static (global
// var in .data).
case Cpu0II::MO_ABS_HI: Kind = MCSymbolRefExpr::VK_Cpu0_ABS_HI; break;
case Cpu0II::MO_ABS_LO: Kind = MCSymbolRefExpr::VK_Cpu0_ABS_LO; break;
case Cpu0II::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Cpu0_GOT_HI16; break;
case Cpu0II::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Cpu0_GOT_LO16; break;
}
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = Mang->getSymbol(MO.getGlobal());
break;
case MachineOperand::MO_BlockAddress:
Symbol = AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress());
Offset += MO.getOffset();
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AsmPrinter.GetExternalSymbolSymbol(MO.getSymbolName());
Offset += MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Symbol, Kind, *Ctx);
if (!Offset)
return MCOperand::CreateExpr(MCSym);
// Assume offset is never negative.
assert(Offset > 0);
const MCConstantExpr *OffsetExpr = MCConstantExpr::Create(Offset, *Ctx);
const MCBinaryExpr *AddExpr = MCBinaryExpr::CreateAdd(MCSym, OffsetExpr, *Ctx);
return MCOperand::CreateExpr(AddExpr);
}
MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy,
unsigned Offset) const {
MipsMCSymbolRefExpr::VariantKind Kind;
const MCSymbol *Symbol;
switch(MO.getTargetFlags()) {
default: assert(0 && "Invalid target flag!");
case MipsII::MO_NO_FLAG: Kind = MipsMCSymbolRefExpr::VK_Mips_None; break;
case MipsII::MO_GPREL: Kind = MipsMCSymbolRefExpr::VK_Mips_GPREL; break;
case MipsII::MO_GOT_CALL: Kind = MipsMCSymbolRefExpr::VK_Mips_GOT_CALL; break;
case MipsII::MO_GOT: Kind = MipsMCSymbolRefExpr::VK_Mips_GOT; break;
case MipsII::MO_ABS_HI: Kind = MipsMCSymbolRefExpr::VK_Mips_ABS_HI; break;
case MipsII::MO_ABS_LO: Kind = MipsMCSymbolRefExpr::VK_Mips_ABS_LO; break;
case MipsII::MO_TLSGD: Kind = MipsMCSymbolRefExpr::VK_Mips_TLSGD; break;
case MipsII::MO_GOTTPREL: Kind = MipsMCSymbolRefExpr::VK_Mips_GOTTPREL; break;
case MipsII::MO_TPREL_HI: Kind = MipsMCSymbolRefExpr::VK_Mips_TPREL_HI; break;
case MipsII::MO_TPREL_LO: Kind = MipsMCSymbolRefExpr::VK_Mips_TPREL_LO; break;
case MipsII::MO_GPOFF_HI: Kind = MipsMCSymbolRefExpr::VK_Mips_GPOFF_HI; break;
case MipsII::MO_GPOFF_LO: Kind = MipsMCSymbolRefExpr::VK_Mips_GPOFF_LO; break;
case MipsII::MO_GOT_DISP: Kind = MipsMCSymbolRefExpr::VK_Mips_GOT_DISP; break;
case MipsII::MO_GOT_PAGE: Kind = MipsMCSymbolRefExpr::VK_Mips_GOT_PAGE; break;
case MipsII::MO_GOT_OFST: Kind = MipsMCSymbolRefExpr::VK_Mips_GOT_OFST; break;
}
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = Mang->getSymbol(MO.getGlobal());
break;
case MachineOperand::MO_BlockAddress:
Symbol = AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress());
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AsmPrinter.GetExternalSymbolSymbol(MO.getSymbolName());
break;
case MachineOperand::MO_JumpTableIndex:
Symbol = AsmPrinter.GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = AsmPrinter.GetCPISymbol(MO.getIndex());
if (MO.getOffset())
Offset += MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
return MCOperand::CreateExpr(MipsMCSymbolRefExpr::Create(Kind, Symbol, Offset,
Ctx));
}
static bool isSimilarDispOp(const MachineOperand &MO1,
const MachineOperand &MO2) {
assert(isValidDispOp(MO1) && isValidDispOp(MO2) &&
"Address displacement operand is not valid");
return (MO1.isImm() && MO2.isImm()) ||
(MO1.isCPI() && MO2.isCPI() && MO1.getIndex() == MO2.getIndex()) ||
(MO1.isJTI() && MO2.isJTI() && MO1.getIndex() == MO2.getIndex()) ||
(MO1.isSymbol() && MO2.isSymbol() &&
MO1.getSymbolName() == MO2.getSymbolName()) ||
(MO1.isGlobal() && MO2.isGlobal() &&
MO1.getGlobal() == MO2.getGlobal()) ||
(MO1.isBlockAddress() && MO2.isBlockAddress() &&
MO1.getBlockAddress() == MO2.getBlockAddress()) ||
(MO1.isMCSymbol() && MO2.isMCSymbol() &&
MO1.getMCSymbol() == MO2.getMCSymbol()) ||
(MO1.isMBB() && MO2.isMBB() && MO1.getMBB() == MO2.getMBB());
}
bool EpiphanyAsmPrinter::printSymbolicAddress(const MachineOperand &MO,
bool PrintImmediatePrefix,
StringRef Suffix, raw_ostream &O) {
StringRef Name;
StringRef Modifier;
switch (MO.getType()) {
default:
llvm_unreachable("Unexpected operand for symbolic address constraint");
case MachineOperand::MO_GlobalAddress:
Name = Mang->getSymbol(MO.getGlobal())->getName();
// Global variables may be accessed either via a GOT or in various fun and
// interesting TLS-model specific ways. Set the prefix modifier as
// appropriate here.
if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(MO.getGlobal())) {
Reloc::Model RelocM = TM.getRelocationModel();
if (Subtarget->GVIsIndirectSymbol(GV, RelocM)) {
Modifier = "got";
}
}
break;
case MachineOperand::MO_BlockAddress:
Name = GetBlockAddressSymbol(MO.getBlockAddress())->getName();
break;
case MachineOperand::MO_ExternalSymbol:
Name = MO.getSymbolName();
break;
case MachineOperand::MO_ConstantPoolIndex:
Name = GetCPISymbol(MO.getIndex())->getName();
break;
}
// Some instructions (notably ADRP) don't take the # prefix for
// immediates. Only print it if asked to.
if (PrintImmediatePrefix)
O << '#';
// Only need the joining "_" if both the prefix and the suffix are
// non-null. This little block simply takes care of the four possibly
// combinations involved there.
if (Modifier == "" && Suffix == "")
O << Name;
else if (Modifier == "" && Suffix != "")
O << ":" << Suffix << ':' << Name;
else if (Modifier != "" && Suffix == "")
O << ":" << Modifier << ':' << Name;
else
O << ":" << Modifier << '_' << Suffix << ':' << Name;
return false;
}
bool ARMAsmPrinter::lowerOperand(const MachineOperand &MO,
MCOperand &MCOp) {
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
// Ignore all non-CPSR implicit register operands.
if (MO.isImplicit() && MO.getReg() != ARM::CPSR)
return false;
assert(!MO.getSubReg() && "Subregs should be eliminated!");
MCOp = MCOperand::createReg(MO.getReg());
break;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::createImm(MO.getImm());
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::createExpr(MCSymbolRefExpr::create(
MO.getMBB()->getSymbol(), OutContext));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = GetSymbolRef(MO,
GetARMGVSymbol(MO.getGlobal(), MO.getTargetFlags()));
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = GetSymbolRef(MO,
GetExternalSymbolSymbol(MO.getSymbolName()));
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = GetSymbolRef(MO, GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
if (Subtarget->genExecuteOnly())
llvm_unreachable("execute-only should not generate constant pools");
MCOp = GetSymbolRef(MO, GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_BlockAddress:
MCOp = GetSymbolRef(MO, GetBlockAddressSymbol(MO.getBlockAddress()));
break;
case MachineOperand::MO_FPImmediate: {
APFloat Val = MO.getFPImm()->getValueAPF();
bool ignored;
Val.convert(APFloat::IEEEdouble(), APFloat::rmTowardZero, &ignored);
MCOp = MCOperand::createFPImm(Val.convertToDouble());
break;
}
case MachineOperand::MO_RegisterMask:
// Ignore call clobbers.
return false;
}
return true;
}
MCOperand NyuziMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy,
unsigned Offset) const {
MCSymbolRefExpr::VariantKind Kind = MCSymbolRefExpr::VK_None;
const MCSymbol *Symbol;
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = AsmPrinter.getSymbol(MO.getGlobal());
Offset += MO.getOffset();
break;
case MachineOperand::MO_BlockAddress:
Symbol = AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress());
Offset += MO.getOffset();
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AsmPrinter.GetExternalSymbolSymbol(MO.getSymbolName());
Offset += MO.getOffset();
break;
case MachineOperand::MO_JumpTableIndex:
Symbol = AsmPrinter.GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = AsmPrinter.GetCPISymbol(MO.getIndex());
Offset += MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::create(Symbol, Kind, *Ctx);
if (!Offset)
return MCOperand::createExpr(MCSym);
// Assume offset is never negative.
assert(Offset > 0);
const MCConstantExpr *OffsetExpr = MCConstantExpr::create(Offset, *Ctx);
const MCBinaryExpr *Add = MCBinaryExpr::createAdd(MCSym, OffsetExpr, *Ctx);
return MCOperand::createExpr(Add);
}
bool EpiphanyAsmPrinter::lowerOperand(const MachineOperand &MO,
MCOperand &MCOp) const {
switch (MO.getType()) {
default:
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
if (MO.isImplicit())
return false;
assert(!MO.getSubReg() && "Subregs should be eliminated!");
MCOp = MCOperand::CreateReg(MO.getReg());
break;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::CreateImm(MO.getImm());
break;
case MachineOperand::MO_FPImmediate: {// a bit hacky, see arm
APFloat Val = MO.getFPImm()->getValueAPF();
bool ignored;
Val.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &ignored);
MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
break;
}
case MachineOperand::MO_BlockAddress:
MCOp = lowerSymbolOperand(MO, GetBlockAddressSymbol(MO.getBlockAddress()));
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = lowerSymbolOperand(MO, GetExternalSymbolSymbol(MO.getSymbolName()));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = lowerSymbolOperand(MO, Mang->getSymbol(MO.getGlobal()));
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
MO.getMBB()->getSymbol(), OutContext));
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = lowerSymbolOperand(MO, GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = lowerSymbolOperand(MO, GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_RegisterMask:
// Ignore call clobbers
return false;
}
return true;
}
void HexagonCopyToCombine::emitCombineRI(MachineBasicBlock::iterator &InsertPt,
unsigned DoubleDestReg,
MachineOperand &HiOperand,
MachineOperand &LoOperand) {
unsigned HiRegKillFlag = getKillRegState(HiOperand.isKill());
unsigned HiReg = HiOperand.getReg();
DebugLoc DL = InsertPt->getDebugLoc();
MachineBasicBlock *BB = InsertPt->getParent();
// Handle global.
if (LoOperand.isGlobal()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineri), DoubleDestReg)
.addReg(HiReg, HiRegKillFlag)
.addGlobalAddress(LoOperand.getGlobal(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// Handle block addresses.
if (LoOperand.isBlockAddress()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineri), DoubleDestReg)
.addReg(HiReg, HiRegKillFlag)
.addBlockAddress(LoOperand.getBlockAddress(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// Handle jump tables.
if (LoOperand.isJTI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineri), DoubleDestReg)
.addReg(HiOperand.getReg(), HiRegKillFlag)
.addJumpTableIndex(LoOperand.getIndex(), LoOperand.getTargetFlags());
return;
}
// Handle constant pools.
if (LoOperand.isCPI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineri), DoubleDestReg)
.addReg(HiOperand.getReg(), HiRegKillFlag)
.addConstantPoolIndex(LoOperand.getIndex(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// Insert new combine instruction.
// DoubleRegDest = combine HiReg, #LoImm
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineri), DoubleDestReg)
.addReg(HiReg, HiRegKillFlag)
.addImm(LoOperand.getImm());
}
// Note: this must stay exactly in sync with isIdenticalTo above.
hash_code llvm::hash_value(const MachineOperand &MO) {
switch (MO.getType()) {
case MachineOperand::MO_Register:
// Register operands don't have target flags.
return hash_combine(MO.getType(), MO.getReg(), MO.getSubReg(), MO.isDef());
case MachineOperand::MO_Immediate:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getImm());
case MachineOperand::MO_CImmediate:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getCImm());
case MachineOperand::MO_FPImmediate:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getFPImm());
case MachineOperand::MO_MachineBasicBlock:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getMBB());
case MachineOperand::MO_FrameIndex:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getIndex());
case MachineOperand::MO_ConstantPoolIndex:
case MachineOperand::MO_TargetIndex:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getIndex(),
MO.getOffset());
case MachineOperand::MO_JumpTableIndex:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getIndex());
case MachineOperand::MO_ExternalSymbol:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getOffset(),
MO.getSymbolName());
case MachineOperand::MO_GlobalAddress:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getGlobal(),
MO.getOffset());
case MachineOperand::MO_BlockAddress:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getBlockAddress(),
MO.getOffset());
case MachineOperand::MO_RegisterMask:
case MachineOperand::MO_RegisterLiveOut:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getRegMask());
case MachineOperand::MO_Metadata:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getMetadata());
case MachineOperand::MO_MCSymbol:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getMCSymbol());
case MachineOperand::MO_CFIIndex:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getCFIIndex());
case MachineOperand::MO_IntrinsicID:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getIntrinsicID());
case MachineOperand::MO_Predicate:
return hash_combine(MO.getType(), MO.getTargetFlags(), MO.getPredicate());
}
llvm_unreachable("Invalid machine operand type");
}
bool ARMAsmPrinter::lowerOperand(const MachineOperand &MO,
MCOperand &MCOp) {
switch (MO.getType()) {
default:
assert(0 && "unknown operand type");
return false;
case MachineOperand::MO_Register:
// Ignore all non-CPSR implicit register operands.
if (MO.isImplicit() && MO.getReg() != ARM::CPSR)
return false;
assert(!MO.getSubReg() && "Subregs should be eliminated!");
MCOp = MCOperand::CreateReg(MO.getReg());
break;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::CreateImm(MO.getImm());
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
MO.getMBB()->getSymbol(), OutContext));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = GetSymbolRef(MO, Mang->getSymbol(MO.getGlobal()));
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = GetSymbolRef(MO,
GetExternalSymbolSymbol(MO.getSymbolName()));
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = GetSymbolRef(MO, GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = GetSymbolRef(MO, GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_BlockAddress:
MCOp = GetSymbolRef(MO, GetBlockAddressSymbol(MO.getBlockAddress()));
break;
case MachineOperand::MO_FPImmediate: {
APFloat Val = MO.getFPImm()->getValueAPF();
bool ignored;
Val.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &ignored);
MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
break;
}
}
return true;
}
MCOperand SampleMCInstLower::
LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy) const {
DEBUG(dbgs() << ">>> LowerSymbolOperand <<<\n");
switch(MO.getTargetFlags()) {
default: llvm_unreachable("Invalid target flag!");
case 0: break;
}
const MCSymbol *Symbol;
unsigned Offset = 0;
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = Mang.getSymbol(MO.getGlobal());
Offset = MO.getOffset();
break;
case MachineOperand::MO_BlockAddress:
Symbol = Printer.GetBlockAddressSymbol(MO.getBlockAddress());
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = Printer.GetExternalSymbolSymbol(MO.getSymbolName());
break;
case MachineOperand::MO_JumpTableIndex:
Symbol = Printer.GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = Printer.GetCPISymbol(MO.getIndex());
Offset = MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
const MCExpr *Expr = MCSymbolRefExpr::Create(Symbol, Ctx);
if (Offset) {
const MCConstantExpr *OffsetExpr = MCConstantExpr::Create(Offset, Ctx);
Expr = MCBinaryExpr::CreateAdd(Expr, OffsetExpr, Ctx);
}
return MCOperand::CreateExpr(Expr);
}
bool AArch64AsmPrinter::lowerOperand(const MachineOperand &MO,
MCOperand &MCOp) const {
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
if (MO.isImplicit())
return false;
assert(!MO.getSubReg() && "Subregs should be eliminated!");
MCOp = MCOperand::CreateReg(MO.getReg());
break;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::CreateImm(MO.getImm());
break;
case MachineOperand::MO_FPImmediate: {
assert(MO.getFPImm()->isZero() && "Only fp imm 0.0 is supported");
MCOp = MCOperand::CreateFPImm(0.0);
break;
}
case MachineOperand::MO_BlockAddress:
MCOp = lowerSymbolOperand(MO, GetBlockAddressSymbol(MO.getBlockAddress()));
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = lowerSymbolOperand(MO, GetExternalSymbolSymbol(MO.getSymbolName()));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = lowerSymbolOperand(MO, getSymbol(MO.getGlobal()));
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
MO.getMBB()->getSymbol(), OutContext));
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = lowerSymbolOperand(MO, GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = lowerSymbolOperand(MO, GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_RegisterMask:
// Ignore call clobbers
return false;
}
return true;
}
bool AArch64MCInstLower::lowerOperand(const MachineOperand &MO,
MCOperand &MCOp) const {
switch (MO.getType()) {
default:
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
if (MO.isImplicit())
return false;
MCOp = MCOperand::createReg(MO.getReg());
break;
case MachineOperand::MO_RegisterMask:
// Regmasks are like implicit defs.
return false;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::createImm(MO.getImm());
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = MCOperand::createExpr(
MCSymbolRefExpr::create(MO.getMBB()->getSymbol(), Ctx));
break;
case MachineOperand::MO_GlobalAddress:
MCOp = LowerSymbolOperand(MO, GetGlobalAddressSymbol(MO));
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = LowerSymbolOperand(MO, GetExternalSymbolSymbol(MO));
break;
case MachineOperand::MO_MCSymbol:
MCOp = LowerSymbolOperand(MO, MO.getMCSymbol());
break;
case MachineOperand::MO_JumpTableIndex:
MCOp = LowerSymbolOperand(MO, Printer.GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = LowerSymbolOperand(MO, Printer.GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_BlockAddress:
MCOp = LowerSymbolOperand(
MO, Printer.GetBlockAddressSymbol(MO.getBlockAddress()));
break;
}
return true;
}
MCOperand SystemZMCInstLower::lowerOperand(const MachineOperand &MO) const {
switch (MO.getType()) {
default:
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
return MCOperand::CreateReg(MO.getReg());
case MachineOperand::MO_Immediate:
return MCOperand::CreateImm(MO.getImm());
case MachineOperand::MO_MachineBasicBlock:
return lowerSymbolOperand(MO, MO.getMBB()->getSymbol(),
/* MO has no offset field */0);
case MachineOperand::MO_GlobalAddress:
return lowerSymbolOperand(MO, Mang->getSymbol(MO.getGlobal()),
MO.getOffset());
case MachineOperand::MO_ExternalSymbol: {
StringRef Name = MO.getSymbolName();
return lowerSymbolOperand(MO, AsmPrinter.GetExternalSymbolSymbol(Name),
MO.getOffset());
}
case MachineOperand::MO_JumpTableIndex:
return lowerSymbolOperand(MO, AsmPrinter.GetJTISymbol(MO.getIndex()),
/* MO has no offset field */0);
case MachineOperand::MO_ConstantPoolIndex:
return lowerSymbolOperand(MO, AsmPrinter.GetCPISymbol(MO.getIndex()),
MO.getOffset());
case MachineOperand::MO_BlockAddress: {
const BlockAddress *BA = MO.getBlockAddress();
return lowerSymbolOperand(MO, AsmPrinter.GetBlockAddressSymbol(BA),
MO.getOffset());
}
}
}
bool llvm::LowerRISCVMachineOperandToMCOperand(const MachineOperand &MO,
MCOperand &MCOp,
const AsmPrinter &AP) {
switch (MO.getType()) {
default:
report_fatal_error("LowerRISCVMachineInstrToMCInst: unknown operand type");
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
if (MO.isImplicit())
return false;
MCOp = MCOperand::createReg(MO.getReg());
break;
case MachineOperand::MO_RegisterMask:
// Regmasks are like implicit defs.
return false;
case MachineOperand::MO_Immediate:
MCOp = MCOperand::createImm(MO.getImm());
break;
case MachineOperand::MO_MachineBasicBlock:
MCOp = lowerSymbolOperand(MO, MO.getMBB()->getSymbol(), AP);
break;
case MachineOperand::MO_GlobalAddress:
MCOp = lowerSymbolOperand(MO, AP.getSymbol(MO.getGlobal()), AP);
break;
case MachineOperand::MO_BlockAddress:
MCOp = lowerSymbolOperand(
MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()), AP);
break;
case MachineOperand::MO_ExternalSymbol:
MCOp = lowerSymbolOperand(
MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()), AP);
break;
case MachineOperand::MO_ConstantPoolIndex:
MCOp = lowerSymbolOperand(MO, AP.GetCPISymbol(MO.getIndex()), AP);
break;
}
return true;
}
bool llvm::LowerPPCMachineOperandToMCOperand(const MachineOperand &MO,
MCOperand &OutMO, AsmPrinter &AP,
bool isDarwin) {
switch (MO.getType()) {
default:
llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
assert(!MO.getSubReg() && "Subregs should be eliminated!");
assert(MO.getReg() > PPC::NoRegister &&
MO.getReg() < PPC::NUM_TARGET_REGS &&
"Invalid register for this target!");
OutMO = MCOperand::createReg(MO.getReg());
return true;
case MachineOperand::MO_Immediate:
OutMO = MCOperand::createImm(MO.getImm());
return true;
case MachineOperand::MO_MachineBasicBlock:
OutMO = MCOperand::createExpr(
MCSymbolRefExpr::create(MO.getMBB()->getSymbol(), AP.OutContext));
return true;
case MachineOperand::MO_GlobalAddress:
case MachineOperand::MO_ExternalSymbol:
OutMO = GetSymbolRef(MO, GetSymbolFromOperand(MO, AP), AP, isDarwin);
return true;
case MachineOperand::MO_JumpTableIndex:
OutMO = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP, isDarwin);
return true;
case MachineOperand::MO_ConstantPoolIndex:
OutMO = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP, isDarwin);
return true;
case MachineOperand::MO_BlockAddress:
OutMO = GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()), AP,
isDarwin);
return true;
case MachineOperand::MO_RegisterMask:
return false;
}
}
static MCOperand LowerSymbolOperand(const MachineInstr *MI,
const MachineOperand &MO,
AsmPrinter &AP) {
SparcMCExpr::VariantKind Kind =
(SparcMCExpr::VariantKind)MO.getTargetFlags();
const MCSymbol *Symbol = nullptr;
switch(MO.getType()) {
default: llvm_unreachable("Unknown type in LowerSymbolOperand");
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = AP.getSymbol(MO.getGlobal());
break;
case MachineOperand::MO_BlockAddress:
Symbol = AP.GetBlockAddressSymbol(MO.getBlockAddress());
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AP.GetExternalSymbolSymbol(MO.getSymbolName());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = AP.GetCPISymbol(MO.getIndex());
break;
}
const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Symbol,
AP.OutContext);
const SparcMCExpr *expr = SparcMCExpr::Create(Kind, MCSym,
AP.OutContext);
return MCOperand::createExpr(expr);
}
/// isIdenticalTo - Return true if this operand is identical to the specified
/// operand. Note that this should stay in sync with the hash_value overload
/// below.
bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const {
if (getType() != Other.getType() ||
getTargetFlags() != Other.getTargetFlags())
return false;
switch (getType()) {
case MachineOperand::MO_Register:
return getReg() == Other.getReg() && isDef() == Other.isDef() &&
getSubReg() == Other.getSubReg();
case MachineOperand::MO_Immediate:
return getImm() == Other.getImm();
case MachineOperand::MO_CImmediate:
return getCImm() == Other.getCImm();
case MachineOperand::MO_FPImmediate:
return getFPImm() == Other.getFPImm();
case MachineOperand::MO_MachineBasicBlock:
return getMBB() == Other.getMBB();
case MachineOperand::MO_FrameIndex:
return getIndex() == Other.getIndex();
case MachineOperand::MO_ConstantPoolIndex:
case MachineOperand::MO_TargetIndex:
return getIndex() == Other.getIndex() && getOffset() == Other.getOffset();
case MachineOperand::MO_JumpTableIndex:
return getIndex() == Other.getIndex();
case MachineOperand::MO_GlobalAddress:
return getGlobal() == Other.getGlobal() && getOffset() == Other.getOffset();
case MachineOperand::MO_ExternalSymbol:
return strcmp(getSymbolName(), Other.getSymbolName()) == 0 &&
getOffset() == Other.getOffset();
case MachineOperand::MO_BlockAddress:
return getBlockAddress() == Other.getBlockAddress() &&
getOffset() == Other.getOffset();
case MachineOperand::MO_RegisterMask:
case MachineOperand::MO_RegisterLiveOut: {
// Shallow compare of the two RegMasks
const uint32_t *RegMask = getRegMask();
const uint32_t *OtherRegMask = Other.getRegMask();
if (RegMask == OtherRegMask)
return true;
if (const MachineFunction *MF = getMFIfAvailable(*this)) {
// Calculate the size of the RegMask
const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
unsigned RegMaskSize = (TRI->getNumRegs() + 31) / 32;
// Deep compare of the two RegMasks
return std::equal(RegMask, RegMask + RegMaskSize, OtherRegMask);
}
// We don't know the size of the RegMask, so we can't deep compare the two
// reg masks.
return false;
}
case MachineOperand::MO_MCSymbol:
return getMCSymbol() == Other.getMCSymbol();
case MachineOperand::MO_CFIIndex:
return getCFIIndex() == Other.getCFIIndex();
case MachineOperand::MO_Metadata:
return getMetadata() == Other.getMetadata();
case MachineOperand::MO_IntrinsicID:
return getIntrinsicID() == Other.getIntrinsicID();
case MachineOperand::MO_Predicate:
return getPredicate() == Other.getPredicate();
}
llvm_unreachable("Invalid machine operand type");
}
void HexagonCopyToCombine::emitCombineII(MachineBasicBlock::iterator &InsertPt,
unsigned DoubleDestReg,
MachineOperand &HiOperand,
MachineOperand &LoOperand) {
DebugLoc DL = InsertPt->getDebugLoc();
MachineBasicBlock *BB = InsertPt->getParent();
// Handle globals.
if (HiOperand.isGlobal()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addGlobalAddress(HiOperand.getGlobal(), HiOperand.getOffset(),
HiOperand.getTargetFlags())
.addImm(LoOperand.getImm());
return;
}
if (LoOperand.isGlobal()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addGlobalAddress(LoOperand.getGlobal(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// Handle block addresses.
if (HiOperand.isBlockAddress()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addBlockAddress(HiOperand.getBlockAddress(), HiOperand.getOffset(),
HiOperand.getTargetFlags())
.addImm(LoOperand.getImm());
return;
}
if (LoOperand.isBlockAddress()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addBlockAddress(LoOperand.getBlockAddress(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// Handle jump tables.
if (HiOperand.isJTI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addJumpTableIndex(HiOperand.getIndex(), HiOperand.getTargetFlags())
.addImm(LoOperand.getImm());
return;
}
if (LoOperand.isJTI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addJumpTableIndex(LoOperand.getIndex(), LoOperand.getTargetFlags());
return;
}
// Handle constant pools.
if (HiOperand.isCPI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addConstantPoolIndex(HiOperand.getIndex(), HiOperand.getOffset(),
HiOperand.getTargetFlags())
.addImm(LoOperand.getImm());
return;
}
if (LoOperand.isCPI()) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addConstantPoolIndex(LoOperand.getIndex(), LoOperand.getOffset(),
LoOperand.getTargetFlags());
return;
}
// First preference should be given to Hexagon::A2_combineii instruction
// as it can include U6 (in Hexagon::A4_combineii) as well.
// In this instruction, HiOperand is const extended, if required.
if (isInt<8>(LoOperand.getImm())) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addImm(LoOperand.getImm());
return;
}
// In this instruction, LoOperand is const extended, if required.
if (isInt<8>(HiOperand.getImm())) {
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A4_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addImm(LoOperand.getImm());
return;
}
// Insert new combine instruction.
// DoubleRegDest = combine #HiImm, #LoImm
BuildMI(*BB, InsertPt, DL, TII->get(Hexagon::A2_combineii), DoubleDestReg)
.addImm(HiOperand.getImm())
.addImm(LoOperand.getImm());
}
MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy,
unsigned Offset) const {
MCSymbolRefExpr::VariantKind Kind = MCSymbolRefExpr::VK_None;
MipsMCExpr::MipsExprKind TargetKind = MipsMCExpr::MEK_None;
bool IsGpOff = false;
const MCSymbol *Symbol;
switch(MO.getTargetFlags()) {
default:
llvm_unreachable("Invalid target flag!");
case MipsII::MO_NO_FLAG:
break;
case MipsII::MO_GPREL:
TargetKind = MipsMCExpr::MEK_GPREL;
break;
case MipsII::MO_GOT_CALL:
TargetKind = MipsMCExpr::MEK_GOT_CALL;
break;
case MipsII::MO_GOT:
TargetKind = MipsMCExpr::MEK_GOT;
break;
case MipsII::MO_ABS_HI:
TargetKind = MipsMCExpr::MEK_HI;
break;
case MipsII::MO_ABS_LO:
TargetKind = MipsMCExpr::MEK_LO;
break;
case MipsII::MO_TLSGD:
TargetKind = MipsMCExpr::MEK_TLSGD;
break;
case MipsII::MO_TLSLDM:
TargetKind = MipsMCExpr::MEK_TLSLDM;
break;
case MipsII::MO_DTPREL_HI:
TargetKind = MipsMCExpr::MEK_DTPREL_HI;
break;
case MipsII::MO_DTPREL_LO:
TargetKind = MipsMCExpr::MEK_DTPREL_LO;
break;
case MipsII::MO_GOTTPREL:
TargetKind = MipsMCExpr::MEK_GOTTPREL;
break;
case MipsII::MO_TPREL_HI:
TargetKind = MipsMCExpr::MEK_TPREL_HI;
break;
case MipsII::MO_TPREL_LO:
TargetKind = MipsMCExpr::MEK_TPREL_LO;
break;
case MipsII::MO_GPOFF_HI:
TargetKind = MipsMCExpr::MEK_HI;
IsGpOff = true;
break;
case MipsII::MO_GPOFF_LO:
TargetKind = MipsMCExpr::MEK_LO;
IsGpOff = true;
break;
case MipsII::MO_GOT_DISP:
TargetKind = MipsMCExpr::MEK_GOT_DISP;
break;
case MipsII::MO_GOT_HI16:
TargetKind = MipsMCExpr::MEK_GOT_HI16;
break;
case MipsII::MO_GOT_LO16:
TargetKind = MipsMCExpr::MEK_GOT_LO16;
break;
case MipsII::MO_GOT_PAGE:
TargetKind = MipsMCExpr::MEK_GOT_PAGE;
break;
case MipsII::MO_GOT_OFST:
TargetKind = MipsMCExpr::MEK_GOT_OFST;
break;
case MipsII::MO_HIGHER:
TargetKind = MipsMCExpr::MEK_HIGHER;
break;
case MipsII::MO_HIGHEST:
TargetKind = MipsMCExpr::MEK_HIGHEST;
break;
case MipsII::MO_CALL_HI16:
TargetKind = MipsMCExpr::MEK_CALL_HI16;
break;
case MipsII::MO_CALL_LO16:
TargetKind = MipsMCExpr::MEK_CALL_LO16;
break;
}
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = AsmPrinter.getSymbol(MO.getGlobal());
Offset += MO.getOffset();
break;
case MachineOperand::MO_BlockAddress:
Symbol = AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress());
Offset += MO.getOffset();
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AsmPrinter.GetExternalSymbolSymbol(MO.getSymbolName());
Offset += MO.getOffset();
break;
case MachineOperand::MO_MCSymbol:
Symbol = MO.getMCSymbol();
Offset += MO.getOffset();
break;
case MachineOperand::MO_JumpTableIndex:
Symbol = AsmPrinter.GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = AsmPrinter.GetCPISymbol(MO.getIndex());
Offset += MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
const MCExpr *Expr = MCSymbolRefExpr::create(Symbol, Kind, *Ctx);
if (Offset) {
// Assume offset is never negative.
assert(Offset > 0);
Expr = MCBinaryExpr::createAdd(Expr, MCConstantExpr::create(Offset, *Ctx),
*Ctx);
}
if (IsGpOff)
Expr = MipsMCExpr::createGpOff(TargetKind, Expr, *Ctx);
else if (TargetKind != MipsMCExpr::MEK_None)
Expr = MipsMCExpr::create(TargetKind, Expr, *Ctx);
return MCOperand::createExpr(Expr);
}
void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI) {
printTargetFlags(Op);
switch (Op.getType()) {
case MachineOperand::MO_Register:
// TODO: Print the other register flags.
if (Op.isImplicit())
OS << (Op.isDef() ? "implicit-def " : "implicit ");
if (Op.isDead())
OS << "dead ";
if (Op.isKill())
OS << "killed ";
if (Op.isUndef())
OS << "undef ";
if (Op.isEarlyClobber())
OS << "early-clobber ";
if (Op.isDebug())
OS << "debug-use ";
printReg(Op.getReg(), OS, TRI);
// Print the sub register.
if (Op.getSubReg() != 0)
OS << ':' << TRI->getSubRegIndexName(Op.getSubReg());
break;
case MachineOperand::MO_Immediate:
OS << Op.getImm();
break;
case MachineOperand::MO_CImmediate:
Op.getCImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_FPImmediate:
Op.getFPImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_MachineBasicBlock:
printMBBReference(*Op.getMBB());
break;
case MachineOperand::MO_FrameIndex:
printStackObjectReference(Op.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
OS << "%const." << Op.getIndex();
printOffset(Op.getOffset());
break;
case MachineOperand::MO_TargetIndex: {
OS << "target-index(";
if (const auto *Name = getTargetIndexName(
*Op.getParent()->getParent()->getParent(), Op.getIndex()))
OS << Name;
else
OS << "<unknown>";
OS << ')';
printOffset(Op.getOffset());
break;
}
case MachineOperand::MO_JumpTableIndex:
OS << "%jump-table." << Op.getIndex();
break;
case MachineOperand::MO_ExternalSymbol:
OS << '$';
printLLVMNameWithoutPrefix(OS, Op.getSymbolName());
printOffset(Op.getOffset());
break;
case MachineOperand::MO_GlobalAddress:
Op.getGlobal()->printAsOperand(OS, /*PrintType=*/false, MST);
printOffset(Op.getOffset());
break;
case MachineOperand::MO_BlockAddress:
OS << "blockaddress(";
Op.getBlockAddress()->getFunction()->printAsOperand(OS, /*PrintType=*/false,
MST);
OS << ", ";
printIRBlockReference(*Op.getBlockAddress()->getBasicBlock());
OS << ')';
printOffset(Op.getOffset());
break;
case MachineOperand::MO_RegisterMask: {
auto RegMaskInfo = RegisterMaskIds.find(Op.getRegMask());
if (RegMaskInfo != RegisterMaskIds.end())
OS << StringRef(TRI->getRegMaskNames()[RegMaskInfo->second]).lower();
else
llvm_unreachable("Can't print this machine register mask yet.");
break;
}
case MachineOperand::MO_Metadata:
Op.getMetadata()->printAsOperand(OS, MST);
break;
case MachineOperand::MO_CFIIndex: {
const auto &MMI = Op.getParent()->getParent()->getParent()->getMMI();
print(MMI.getFrameInstructions()[Op.getCFIIndex()], TRI);
break;
}
default:
// TODO: Print the other machine operands.
llvm_unreachable("Can't print this machine operand at the moment");
}
}
void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI,
unsigned I, bool ShouldPrintRegisterTies, bool IsDef) {
printTargetFlags(Op);
switch (Op.getType()) {
case MachineOperand::MO_Register:
if (Op.isImplicit())
OS << (Op.isDef() ? "implicit-def " : "implicit ");
else if (!IsDef && Op.isDef())
// Print the 'def' flag only when the operand is defined after '='.
OS << "def ";
if (Op.isInternalRead())
OS << "internal ";
if (Op.isDead())
OS << "dead ";
if (Op.isKill())
OS << "killed ";
if (Op.isUndef())
OS << "undef ";
if (Op.isEarlyClobber())
OS << "early-clobber ";
if (Op.isDebug())
OS << "debug-use ";
printReg(Op.getReg(), OS, TRI);
// Print the sub register.
if (Op.getSubReg() != 0)
OS << ':' << TRI->getSubRegIndexName(Op.getSubReg());
if (ShouldPrintRegisterTies && Op.isTied() && !Op.isDef())
OS << "(tied-def " << Op.getParent()->findTiedOperandIdx(I) << ")";
break;
case MachineOperand::MO_Immediate:
OS << Op.getImm();
break;
case MachineOperand::MO_CImmediate:
Op.getCImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_FPImmediate:
Op.getFPImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_MachineBasicBlock:
printMBBReference(*Op.getMBB());
break;
case MachineOperand::MO_FrameIndex:
printStackObjectReference(Op.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
OS << "%const." << Op.getIndex();
printOffset(Op.getOffset());
break;
case MachineOperand::MO_TargetIndex: {
OS << "target-index(";
if (const auto *Name = getTargetIndexName(
*Op.getParent()->getParent()->getParent(), Op.getIndex()))
OS << Name;
else
OS << "<unknown>";
OS << ')';
printOffset(Op.getOffset());
break;
}
case MachineOperand::MO_JumpTableIndex:
OS << "%jump-table." << Op.getIndex();
break;
case MachineOperand::MO_ExternalSymbol:
OS << '$';
printLLVMNameWithoutPrefix(OS, Op.getSymbolName());
printOffset(Op.getOffset());
break;
case MachineOperand::MO_GlobalAddress:
Op.getGlobal()->printAsOperand(OS, /*PrintType=*/false, MST);
printOffset(Op.getOffset());
break;
case MachineOperand::MO_BlockAddress:
OS << "blockaddress(";
Op.getBlockAddress()->getFunction()->printAsOperand(OS, /*PrintType=*/false,
MST);
OS << ", ";
printIRBlockReference(*Op.getBlockAddress()->getBasicBlock());
OS << ')';
printOffset(Op.getOffset());
break;
case MachineOperand::MO_RegisterMask: {
auto RegMaskInfo = RegisterMaskIds.find(Op.getRegMask());
if (RegMaskInfo != RegisterMaskIds.end())
OS << StringRef(TRI->getRegMaskNames()[RegMaskInfo->second]).lower();
else
llvm_unreachable("Can't print this machine register mask yet.");
break;
}
case MachineOperand::MO_RegisterLiveOut: {
const uint32_t *RegMask = Op.getRegLiveOut();
OS << "liveout(";
bool IsCommaNeeded = false;
for (unsigned Reg = 0, E = TRI->getNumRegs(); Reg < E; ++Reg) {
if (RegMask[Reg / 32] & (1U << (Reg % 32))) {
if (IsCommaNeeded)
OS << ", ";
printReg(Reg, OS, TRI);
IsCommaNeeded = true;
}
}
OS << ")";
break;
}
case MachineOperand::MO_Metadata:
Op.getMetadata()->printAsOperand(OS, MST);
break;
case MachineOperand::MO_MCSymbol:
OS << "<mcsymbol " << *Op.getMCSymbol() << ">";
break;
case MachineOperand::MO_CFIIndex: {
const auto &MMI = Op.getParent()->getParent()->getParent()->getMMI();
print(MMI.getFrameInstructions()[Op.getCFIIndex()], TRI);
break;
}
}
}
MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
MachineOperandType MOTy,
unsigned Offset) const {
MCSymbolRefExpr::VariantKind Kind;
const MCSymbol *Symbol;
switch(MO.getTargetFlags()) {
default: llvm_unreachable("Invalid target flag!");
case MipsII::MO_NO_FLAG: Kind = MCSymbolRefExpr::VK_None; break;
case MipsII::MO_GPREL: Kind = MCSymbolRefExpr::VK_Mips_GPREL; break;
case MipsII::MO_GOT_CALL: Kind = MCSymbolRefExpr::VK_Mips_GOT_CALL; break;
case MipsII::MO_GOT16: Kind = MCSymbolRefExpr::VK_Mips_GOT16; break;
case MipsII::MO_GOT: Kind = MCSymbolRefExpr::VK_Mips_GOT; break;
case MipsII::MO_ABS_HI: Kind = MCSymbolRefExpr::VK_Mips_ABS_HI; break;
case MipsII::MO_ABS_LO: Kind = MCSymbolRefExpr::VK_Mips_ABS_LO; break;
case MipsII::MO_TLSGD: Kind = MCSymbolRefExpr::VK_Mips_TLSGD; break;
case MipsII::MO_TLSLDM: Kind = MCSymbolRefExpr::VK_Mips_TLSLDM; break;
case MipsII::MO_DTPREL_HI: Kind = MCSymbolRefExpr::VK_Mips_DTPREL_HI; break;
case MipsII::MO_DTPREL_LO: Kind = MCSymbolRefExpr::VK_Mips_DTPREL_LO; break;
case MipsII::MO_GOTTPREL: Kind = MCSymbolRefExpr::VK_Mips_GOTTPREL; break;
case MipsII::MO_TPREL_HI: Kind = MCSymbolRefExpr::VK_Mips_TPREL_HI; break;
case MipsII::MO_TPREL_LO: Kind = MCSymbolRefExpr::VK_Mips_TPREL_LO; break;
case MipsII::MO_GPOFF_HI: Kind = MCSymbolRefExpr::VK_Mips_GPOFF_HI; break;
case MipsII::MO_GPOFF_LO: Kind = MCSymbolRefExpr::VK_Mips_GPOFF_LO; break;
case MipsII::MO_GOT_DISP: Kind = MCSymbolRefExpr::VK_Mips_GOT_DISP; break;
case MipsII::MO_GOT_PAGE: Kind = MCSymbolRefExpr::VK_Mips_GOT_PAGE; break;
case MipsII::MO_GOT_OFST: Kind = MCSymbolRefExpr::VK_Mips_GOT_OFST; break;
case MipsII::MO_HIGHER: Kind = MCSymbolRefExpr::VK_Mips_HIGHER; break;
case MipsII::MO_HIGHEST: Kind = MCSymbolRefExpr::VK_Mips_HIGHEST; break;
case MipsII::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Mips_GOT_HI16; break;
case MipsII::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Mips_GOT_LO16; break;
case MipsII::MO_CALL_HI16: Kind = MCSymbolRefExpr::VK_Mips_CALL_HI16; break;
case MipsII::MO_CALL_LO16: Kind = MCSymbolRefExpr::VK_Mips_CALL_LO16; break;
}
switch (MOTy) {
case MachineOperand::MO_MachineBasicBlock:
Symbol = MO.getMBB()->getSymbol();
break;
case MachineOperand::MO_GlobalAddress:
Symbol = AsmPrinter.getSymbol(MO.getGlobal());
Offset += MO.getOffset();
break;
case MachineOperand::MO_BlockAddress:
Symbol = AsmPrinter.GetBlockAddressSymbol(MO.getBlockAddress());
Offset += MO.getOffset();
break;
case MachineOperand::MO_ExternalSymbol:
Symbol = AsmPrinter.GetExternalSymbolSymbol(MO.getSymbolName());
Offset += MO.getOffset();
break;
case MachineOperand::MO_JumpTableIndex:
Symbol = AsmPrinter.GetJTISymbol(MO.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
Symbol = AsmPrinter.GetCPISymbol(MO.getIndex());
Offset += MO.getOffset();
break;
default:
llvm_unreachable("<unknown operand type>");
}
const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Symbol, Kind, *Ctx);
if (!Offset)
return MCOperand::CreateExpr(MCSym);
// Assume offset is never negative.
assert(Offset > 0);
const MCConstantExpr *OffsetExpr = MCConstantExpr::Create(Offset, *Ctx);
const MCBinaryExpr *Add = MCBinaryExpr::CreateAdd(MCSym, OffsetExpr, *Ctx);
return MCOperand::CreateExpr(Add);
}
void MIPrinter::print(const MachineOperand &Op, const TargetRegisterInfo *TRI,
unsigned I, bool ShouldPrintRegisterTies, LLT TypeToPrint,
bool IsDef) {
printTargetFlags(Op);
switch (Op.getType()) {
case MachineOperand::MO_Register:
if (Op.isImplicit())
OS << (Op.isDef() ? "implicit-def " : "implicit ");
else if (!IsDef && Op.isDef())
// Print the 'def' flag only when the operand is defined after '='.
OS << "def ";
if (Op.isInternalRead())
OS << "internal ";
if (Op.isDead())
OS << "dead ";
if (Op.isKill())
OS << "killed ";
if (Op.isUndef())
OS << "undef ";
if (Op.isEarlyClobber())
OS << "early-clobber ";
if (Op.isDebug())
OS << "debug-use ";
printReg(Op.getReg(), OS, TRI);
// Print the sub register.
if (Op.getSubReg() != 0)
OS << '.' << TRI->getSubRegIndexName(Op.getSubReg());
if (ShouldPrintRegisterTies && Op.isTied() && !Op.isDef())
OS << "(tied-def " << Op.getParent()->findTiedOperandIdx(I) << ")";
if (TypeToPrint.isValid())
OS << '(' << TypeToPrint << ')';
break;
case MachineOperand::MO_Immediate:
OS << Op.getImm();
break;
case MachineOperand::MO_CImmediate:
Op.getCImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_FPImmediate:
Op.getFPImm()->printAsOperand(OS, /*PrintType=*/true, MST);
break;
case MachineOperand::MO_MachineBasicBlock:
printMBBReference(*Op.getMBB());
break;
case MachineOperand::MO_FrameIndex:
printStackObjectReference(Op.getIndex());
break;
case MachineOperand::MO_ConstantPoolIndex:
OS << "%const." << Op.getIndex();
printOffset(Op.getOffset());
break;
case MachineOperand::MO_TargetIndex:
OS << "target-index(";
if (const auto *Name = getTargetIndexName(
*Op.getParent()->getParent()->getParent(), Op.getIndex()))
OS << Name;
else
OS << "<unknown>";
OS << ')';
printOffset(Op.getOffset());
break;
case MachineOperand::MO_JumpTableIndex:
OS << "%jump-table." << Op.getIndex();
break;
case MachineOperand::MO_ExternalSymbol: {
StringRef Name = Op.getSymbolName();
OS << '$';
if (Name.empty()) {
OS << "\"\"";
} else {
printLLVMNameWithoutPrefix(OS, Name);
}
printOffset(Op.getOffset());
break;
}
case MachineOperand::MO_GlobalAddress:
Op.getGlobal()->printAsOperand(OS, /*PrintType=*/false, MST);
printOffset(Op.getOffset());
break;
case MachineOperand::MO_BlockAddress:
OS << "blockaddress(";
Op.getBlockAddress()->getFunction()->printAsOperand(OS, /*PrintType=*/false,
MST);
OS << ", ";
printIRBlockReference(*Op.getBlockAddress()->getBasicBlock());
OS << ')';
printOffset(Op.getOffset());
break;
case MachineOperand::MO_RegisterMask: {
auto RegMaskInfo = RegisterMaskIds.find(Op.getRegMask());
if (RegMaskInfo != RegisterMaskIds.end())
OS << StringRef(TRI->getRegMaskNames()[RegMaskInfo->second]).lower();
else
printCustomRegMask(Op.getRegMask(), OS, TRI);
break;
}
case MachineOperand::MO_RegisterLiveOut: {
const uint32_t *RegMask = Op.getRegLiveOut();
OS << "liveout(";
bool IsCommaNeeded = false;
for (unsigned Reg = 0, E = TRI->getNumRegs(); Reg < E; ++Reg) {
if (RegMask[Reg / 32] & (1U << (Reg % 32))) {
if (IsCommaNeeded)
OS << ", ";
printReg(Reg, OS, TRI);
IsCommaNeeded = true;
}
}
OS << ")";
break;
}
case MachineOperand::MO_Metadata:
Op.getMetadata()->printAsOperand(OS, MST);
break;
case MachineOperand::MO_MCSymbol:
OS << "<mcsymbol " << *Op.getMCSymbol() << ">";
break;
case MachineOperand::MO_CFIIndex: {
const MachineFunction &MF = *Op.getParent()->getParent()->getParent();
print(MF.getFrameInstructions()[Op.getCFIIndex()], TRI);
break;
}
case MachineOperand::MO_IntrinsicID: {
Intrinsic::ID ID = Op.getIntrinsicID();
if (ID < Intrinsic::num_intrinsics)
OS << "intrinsic(@" << Intrinsic::getName(ID, None) << ')';
else {
const MachineFunction &MF = *Op.getParent()->getParent()->getParent();
const TargetIntrinsicInfo *TII = MF.getTarget().getIntrinsicInfo();
OS << "intrinsic(@" << TII->getName(ID) << ')';
}
break;
}
case MachineOperand::MO_Predicate: {
auto Pred = static_cast<CmpInst::Predicate>(Op.getPredicate());
OS << (CmpInst::isIntPredicate(Pred) ? "int" : "float") << "pred("
<< CmpInst::getPredicateName(Pred) << ')';
break;
}
}
}