MipsTargetLowering::MipsTargetLowering(MipsTargetMachine &TM)
: TargetLowering(TM, new MipsTargetObjectFile()),
- Subtarget(&TM.getSubtarget<MipsSubtarget>()) {
+ Subtarget(TM.getSubtarget<MipsSubtarget>()) {
// Mips does not have i1 type, so use i32 for
// setcc operations results (slt, sgt, ...).
setBooleanContents(ZeroOrOneBooleanContent);
setBooleanVectorContents(ZeroOrNegativeOneBooleanContent);
// The cmp.cond.fmt instruction in MIPS32r6/MIPS64r6 uses 0 and -1 like MSA
// does. Integer booleans still use 0 and 1.
- if (Subtarget->hasMips32r6())
+ if (Subtarget.hasMips32r6())
setBooleanContents(ZeroOrOneBooleanContent,
ZeroOrNegativeOneBooleanContent);
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom);
setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
- if (Subtarget->isGP64bit()) {
+ if (Subtarget.isGP64bit()) {
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setOperationAction(ISD::BlockAddress, MVT::i64, Custom);
setOperationAction(ISD::GlobalTLSAddress, MVT::i64, Custom);
setOperationAction(ISD::FP_TO_SINT, MVT::i64, Custom);
}
- if (!Subtarget->isGP64bit()) {
+ if (!Subtarget.isGP64bit()) {
setOperationAction(ISD::SHL_PARTS, MVT::i32, Custom);
setOperationAction(ISD::SRA_PARTS, MVT::i32, Custom);
setOperationAction(ISD::SRL_PARTS, MVT::i32, Custom);
}
setOperationAction(ISD::ADD, MVT::i32, Custom);
- if (Subtarget->isGP64bit())
+ if (Subtarget.isGP64bit())
setOperationAction(ISD::ADD, MVT::i64, Custom);
setOperationAction(ISD::SDIV, MVT::i32, Expand);
setOperationAction(ISD::FP_TO_UINT, MVT::i32, Expand);
setOperationAction(ISD::FP_TO_UINT, MVT::i64, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
- if (Subtarget->hasCnMips()) {
+ if (Subtarget.hasCnMips()) {
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
setOperationAction(ISD::CTPOP, MVT::i64, Legal);
} else {
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
- if (!Subtarget->hasMips32r2())
+ if (!Subtarget.hasMips32r2())
setOperationAction(ISD::ROTR, MVT::i32, Expand);
- if (!Subtarget->hasMips64r2())
+ if (!Subtarget.hasMips64r2())
setOperationAction(ISD::ROTR, MVT::i64, Expand);
setOperationAction(ISD::FSIN, MVT::f32, Expand);
setInsertFencesForAtomic(true);
- if (!Subtarget->hasMips32r2()) {
+ if (!Subtarget.hasMips32r2()) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
}
// MIPS16 lacks MIPS32's clz and clo instructions.
- if (!Subtarget->hasMips32() || Subtarget->inMips16Mode())
+ if (!Subtarget.hasMips32() || Subtarget.inMips16Mode())
setOperationAction(ISD::CTLZ, MVT::i32, Expand);
- if (!Subtarget->hasMips64())
+ if (!Subtarget.hasMips64())
setOperationAction(ISD::CTLZ, MVT::i64, Expand);
- if (!Subtarget->hasMips32r2())
+ if (!Subtarget.hasMips32r2())
setOperationAction(ISD::BSWAP, MVT::i32, Expand);
- if (!Subtarget->hasMips64r2())
+ if (!Subtarget.hasMips64r2())
setOperationAction(ISD::BSWAP, MVT::i64, Expand);
- if (Subtarget->isGP64bit()) {
+ if (Subtarget.isGP64bit()) {
setLoadExtAction(ISD::SEXTLOAD, MVT::i32, Custom);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i32, Custom);
setLoadExtAction(ISD::EXTLOAD, MVT::i32, Custom);
setTargetDAGCombine(ISD::OR);
setTargetDAGCombine(ISD::ADD);
- setMinFunctionAlignment(Subtarget->isGP64bit() ? 3 : 2);
+ setMinFunctionAlignment(Subtarget.isGP64bit() ? 3 : 2);
- setStackPointerRegisterToSaveRestore(Subtarget->isABI_N64() ? Mips::SP_64
- : Mips::SP);
+ setStackPointerRegisterToSaveRestore(Subtarget.isABI_N64() ? Mips::SP_64
+ : Mips::SP);
- setExceptionPointerRegister(Subtarget->isABI_N64() ? Mips::A0_64 : Mips::A0);
- setExceptionSelectorRegister(Subtarget->isABI_N64() ? Mips::A1_64 : Mips::A1);
+ setExceptionPointerRegister(Subtarget.isABI_N64() ? Mips::A0_64 : Mips::A0);
+ setExceptionSelectorRegister(Subtarget.isABI_N64() ? Mips::A1_64 : Mips::A1);
MaxStoresPerMemcpy = 16;
- isMicroMips = Subtarget->inMicroMipsMode();
+ isMicroMips = Subtarget.inMicroMipsMode();
}
const MipsTargetLowering *MipsTargetLowering::create(MipsTargetMachine &TM) {
static SDValue performDivRemCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
if (DCI.isBeforeLegalizeOps())
return SDValue();
static SDValue performSELECTCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
if (DCI.isBeforeLegalizeOps())
return SDValue();
static SDValue performANDCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
// Pattern match EXT.
// $dst = and ((sra or srl) $src , pos), (2**size - 1)
// => ext $dst, $src, size, pos
- if (DCI.isBeforeLegalizeOps() || !Subtarget->hasExtractInsert())
+ if (DCI.isBeforeLegalizeOps() || !Subtarget.hasExtractInsert())
return SDValue();
SDValue ShiftRight = N->getOperand(0), Mask = N->getOperand(1);
static SDValue performORCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
// Pattern match INS.
// $dst = or (and $src1 , mask0), (and (shl $src, pos), mask1),
// where mask1 = (2**size - 1) << pos, mask0 = ~mask1
// => ins $dst, $src, size, pos, $src1
- if (DCI.isBeforeLegalizeOps() || !Subtarget->hasExtractInsert())
+ if (DCI.isBeforeLegalizeOps() || !Subtarget.hasExtractInsert())
return SDValue();
SDValue And0 = N->getOperand(0), And1 = N->getOperand(1);
static SDValue performADDCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
// (add v0, (add v1, abs_lo(tjt))) => (add (add v0, v1), abs_lo(tjt))
if (DCI.isBeforeLegalizeOps())
LL = Mips::LL_MM;
SC = Mips::SC_MM;
} else {
- LL = Subtarget->hasMips32r6() ? Mips::LL : Mips::LL_R6;
- SC = Subtarget->hasMips32r6() ? Mips::SC : Mips::SC_R6;
+ LL = Subtarget.hasMips32r6() ? Mips::LL : Mips::LL_R6;
+ SC = Subtarget.hasMips32r6() ? Mips::SC : Mips::SC_R6;
}
AND = Mips::AND;
NOR = Mips::NOR;
ZERO = Mips::ZERO;
BEQ = Mips::BEQ;
} else {
- LL = Subtarget->hasMips64r6() ? Mips::LLD : Mips::LLD_R6;
- SC = Subtarget->hasMips64r6() ? Mips::SCD : Mips::SCD_R6;
+ LL = Subtarget.hasMips64r6() ? Mips::LLD : Mips::LLD_R6;
+ SC = Subtarget.hasMips64r6() ? Mips::SCD : Mips::SCD_R6;
AND = Mips::AND64;
NOR = Mips::NOR64;
ZERO = Mips::ZERO_64;
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
- if (Subtarget->hasMips32r2() && Size == 1) {
+ if (Subtarget.hasMips32r2() && Size == 1) {
BuildMI(BB, DL, TII->get(Mips::SEB), DstReg).addReg(SrcReg);
return BB;
}
- if (Subtarget->hasMips32r2() && Size == 2) {
+ if (Subtarget.hasMips32r2() && Size == 2) {
BuildMI(BB, DL, TII->get(Mips::SEH), DstReg).addReg(SrcReg);
return BB;
}
BuildMI(BB, DL, TII->get(Mips::AND), AlignedAddr)
.addReg(Ptr).addReg(MaskLSB2);
BuildMI(BB, DL, TII->get(Mips::ANDi), PtrLSB2).addReg(Ptr).addImm(3);
- if (Subtarget->isLittle()) {
+ if (Subtarget.isLittle()) {
BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3);
} else {
unsigned Off = RegInfo.createVirtualRegister(RC);
BuildMI(BB, DL, TII->get(Mips::AND), AlignedAddr)
.addReg(Ptr).addReg(MaskLSB2);
BuildMI(BB, DL, TII->get(Mips::ANDi), PtrLSB2).addReg(Ptr).addImm(3);
- if (Subtarget->isLittle()) {
+ if (Subtarget.isLittle()) {
BuildMI(BB, DL, TII->get(Mips::SLL), ShiftAmt).addReg(PtrLSB2).addImm(3);
} else {
unsigned Off = RegInfo.createVirtualRegister(RC);
Chain = Addr.getValue(1);
if ((getTargetMachine().getRelocationModel() == Reloc::PIC_) ||
- Subtarget->isABI_N64()) {
+ Subtarget.isABI_N64()) {
// For PIC, the sequence is:
// BRIND(load(Jumptable + index) + RelocBase)
// RelocBase can be JumpTable, GOT or some sort of global base.
SDValue Dest = Op.getOperand(2);
SDLoc DL(Op);
- assert(!Subtarget->hasMips32r6() && !Subtarget->hasMips64r6());
+ assert(!Subtarget.hasMips32r6() && !Subtarget.hasMips64r6());
SDValue CondRes = createFPCmp(DAG, Op.getOperand(1));
// Return if flag is not set by a floating point comparison.
SDValue MipsTargetLowering::
lowerSELECT(SDValue Op, SelectionDAG &DAG) const
{
- assert(!Subtarget->hasMips32r6() && !Subtarget->hasMips64r6());
+ assert(!Subtarget.hasMips32r6() && !Subtarget.hasMips64r6());
SDValue Cond = createFPCmp(DAG, Op.getOperand(0));
// Return if flag is not set by a floating point comparison.
}
SDValue MipsTargetLowering::lowerSETCC(SDValue Op, SelectionDAG &DAG) const {
- assert(!Subtarget->hasMips32r6() && !Subtarget->hasMips64r6());
+ assert(!Subtarget.hasMips32r6() && !Subtarget.hasMips64r6());
SDValue Cond = createFPCmp(DAG, Op);
assert(Cond.getOpcode() == MipsISD::FPCmp &&
const GlobalValue *GV = N->getGlobal();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ &&
- !Subtarget->isABI_N64()) {
+ !Subtarget.isABI_N64()) {
const MipsTargetObjectFile &TLOF =
(const MipsTargetObjectFile&)getObjFileLowering();
if (GV->hasInternalLinkage() || (GV->hasLocalLinkage() && !isa<Function>(GV)))
return getAddrLocal(N, Ty, DAG,
- Subtarget->isABI_N32() || Subtarget->isABI_N64());
+ Subtarget.isABI_N32() || Subtarget.isABI_N64());
if (LargeGOT)
return getAddrGlobalLargeGOT(N, Ty, DAG, MipsII::MO_GOT_HI16,
MachinePointerInfo::getGOT());
return getAddrGlobal(N, Ty, DAG,
- (Subtarget->isABI_N32() || Subtarget->isABI_N64())
+ (Subtarget.isABI_N32() || Subtarget.isABI_N64())
? MipsII::MO_GOT_DISP
: MipsII::MO_GOT16,
DAG.getEntryNode(), MachinePointerInfo::getGOT());
EVT Ty = Op.getValueType();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ &&
- !Subtarget->isABI_N64())
+ !Subtarget.isABI_N64())
return getAddrNonPIC(N, Ty, DAG);
return getAddrLocal(N, Ty, DAG,
- Subtarget->isABI_N32() || Subtarget->isABI_N64());
+ Subtarget.isABI_N32() || Subtarget.isABI_N64());
}
SDValue MipsTargetLowering::
EVT Ty = Op.getValueType();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ &&
- !Subtarget->isABI_N64())
+ !Subtarget.isABI_N64())
return getAddrNonPIC(N, Ty, DAG);
return getAddrLocal(N, Ty, DAG,
- Subtarget->isABI_N32() || Subtarget->isABI_N64());
+ Subtarget.isABI_N32() || Subtarget.isABI_N64());
}
SDValue MipsTargetLowering::
EVT Ty = Op.getValueType();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ &&
- !Subtarget->isABI_N64())
+ !Subtarget.isABI_N64())
return getAddrNonPIC(N, Ty, DAG);
return getAddrLocal(N, Ty, DAG,
- Subtarget->isABI_N32() || Subtarget->isABI_N64());
+ Subtarget.isABI_N32() || Subtarget.isABI_N64());
}
SDValue MipsTargetLowering::lowerVASTART(SDValue Op, SelectionDAG &DAG) const {
SDValue
MipsTargetLowering::lowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const {
- if (Subtarget->isGP64bit())
- return lowerFCOPYSIGN64(Op, DAG, Subtarget->hasExtractInsert());
+ if (Subtarget.isGP64bit())
+ return lowerFCOPYSIGN64(Op, DAG, Subtarget.hasExtractInsert());
- return lowerFCOPYSIGN32(Op, DAG, Subtarget->hasExtractInsert());
+ return lowerFCOPYSIGN32(Op, DAG, Subtarget.hasExtractInsert());
}
SDValue MipsTargetLowering::
SDLoc DL(Op);
SDValue FrameAddr =
DAG.getCopyFromReg(DAG.getEntryNode(), DL,
- Subtarget->isABI_N64() ? Mips::FP_64 : Mips::FP, VT);
+ Subtarget.isABI_N64() ? Mips::FP_64 : Mips::FP, VT);
return FrameAddr;
}
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
MVT VT = Op.getSimpleValueType();
- unsigned RA = Subtarget->isABI_N64() ? Mips::RA_64 : Mips::RA;
+ unsigned RA = Subtarget.isABI_N64() ? Mips::RA_64 : Mips::RA;
MFI->setReturnAddressIsTaken(true);
// Return RA, which contains the return address. Mark it an implicit live-in.
SDValue Offset = Op.getOperand(1);
SDValue Handler = Op.getOperand(2);
SDLoc DL(Op);
- EVT Ty = Subtarget->isABI_N64() ? MVT::i64 : MVT::i32;
+ EVT Ty = Subtarget.isABI_N64() ? MVT::i64 : MVT::i32;
// Store stack offset in V1, store jump target in V0. Glue CopyToReg and
// EH_RETURN nodes, so that instructions are emitted back-to-back.
- unsigned OffsetReg = Subtarget->isABI_N64() ? Mips::V1_64 : Mips::V1;
- unsigned AddrReg = Subtarget->isABI_N64() ? Mips::V0_64 : Mips::V0;
+ unsigned OffsetReg = Subtarget.isABI_N64() ? Mips::V1_64 : Mips::V1;
+ unsigned AddrReg = Subtarget.isABI_N64() ? Mips::V0_64 : Mips::V0;
Chain = DAG.getCopyToReg(Chain, DL, OffsetReg, Offset, SDValue());
Chain = DAG.getCopyToReg(Chain, DL, AddrReg, Handler, Chain.getValue(1));
return DAG.getNode(MipsISD::EH_RETURN, DL, MVT::Other, Chain,
LoadSDNode *LD = cast<LoadSDNode>(Op);
EVT MemVT = LD->getMemoryVT();
- if (Subtarget->systemSupportsUnalignedAccess())
+ if (Subtarget.systemSupportsUnalignedAccess())
return Op;
// Return if load is aligned or if MemVT is neither i32 nor i64.
((MemVT != MVT::i32) && (MemVT != MVT::i64)))
return SDValue();
- bool IsLittle = Subtarget->isLittle();
+ bool IsLittle = Subtarget.isLittle();
EVT VT = Op.getValueType();
ISD::LoadExtType ExtType = LD->getExtensionType();
SDValue Chain = LD->getChain(), Undef = DAG.getUNDEF(VT);
EVT MemVT = SD->getMemoryVT();
// Lower unaligned integer stores.
- if (!Subtarget->systemSupportsUnalignedAccess() &&
+ if (!Subtarget.systemSupportsUnalignedAccess() &&
(SD->getAlignment() < MemVT.getSizeInBits() / 8) &&
((MemVT == MVT::i32) || (MemVT == MVT::i64)))
- return lowerUnalignedIntStore(SD, DAG, Subtarget->isLittle());
+ return lowerUnalignedIntStore(SD, DAG, Subtarget.isLittle());
return lowerFP_TO_SINT_STORE(SD, DAG);
}
// in PIC mode) allow symbols to be resolved via lazy binding.
// The lazy binding stub requires GP to point to the GOT.
if (IsPICCall && !InternalLinkage) {
- unsigned GPReg = Subtarget->isABI_N64() ? Mips::GP_64 : Mips::GP;
- EVT Ty = Subtarget->isABI_N64() ? MVT::i64 : MVT::i32;
+ unsigned GPReg = Subtarget.isABI_N64() ? Mips::GP_64 : Mips::GP;
+ EVT Ty = Subtarget.isABI_N64() ? MVT::i64 : MVT::i32;
RegsToPass.push_back(std::make_pair(GPReg, getGlobalReg(CLI.DAG, Ty)));
}
const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
const uint32_t *Mask = TRI->getCallPreservedMask(CLI.CallConv);
assert(Mask && "Missing call preserved mask for calling convention");
- if (Subtarget->inMips16HardFloat()) {
+ if (Subtarget.inMips16HardFloat()) {
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(CLI.Callee)) {
llvm::StringRef Sym = G->getGlobal()->getName();
Function *F = G->getGlobal()->getParent()->getFunction(Sym);
getTargetMachine(), ArgLocs, *DAG.getContext());
MipsCC::SpecialCallingConvType SpecialCallingConv =
getSpecialCallingConv(Callee);
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ MipsCC MipsCCInfo(CallConv, Subtarget.isABI_O32(), Subtarget.isFP64bit(),
CCInfo, SpecialCallingConv);
MipsCCInfo.analyzeCallOperands(Outs, IsVarArg,
- Subtarget->abiUsesSoftFloat(),
+ Subtarget.abiUsesSoftFloat(),
Callee.getNode(), CLI.getArgs());
// Get a count of how many bytes are to be pushed on the stack.
Chain = DAG.getCALLSEQ_START(Chain, NextStackOffsetVal, DL);
SDValue StackPtr = DAG.getCopyFromReg(
- Chain, DL, Subtarget->isABI_N64() ? Mips::SP_64 : Mips::SP,
+ Chain, DL, Subtarget.isABI_N64() ? Mips::SP_64 : Mips::SP,
getPointerTy());
// With EABI is it possible to have 16 args on registers.
assert(!IsTailCall &&
"Do not tail-call optimize if there is a byval argument.");
passByValArg(Chain, DL, RegsToPass, MemOpChains, StackPtr, MFI, DAG, Arg,
- MipsCCInfo, *ByValArg, Flags, Subtarget->isLittle());
+ MipsCCInfo, *ByValArg, Flags, Subtarget.isLittle());
++ByValArg;
continue;
}
Arg, DAG.getConstant(0, MVT::i32));
SDValue Hi = DAG.getNode(MipsISD::ExtractElementF64, DL, MVT::i32,
Arg, DAG.getConstant(1, MVT::i32));
- if (!Subtarget->isLittle())
+ if (!Subtarget.isLittle())
std::swap(Lo, Hi);
unsigned LocRegLo = VA.getLocReg();
unsigned LocRegHigh = getNextIntArgReg(LocRegLo);
// direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol
// node so that legalize doesn't hack it.
bool IsPICCall =
- (Subtarget->isABI_N64() || IsPIC); // true if calls are translated to
+ (Subtarget.isABI_N64() || IsPIC); // true if calls are translated to
// jalr $25
bool GlobalOrExternal = false, InternalLinkage = false;
SDValue CalleeLo;
if (InternalLinkage)
Callee = getAddrLocal(G, Ty, DAG,
- Subtarget->isABI_N32() || Subtarget->isABI_N64());
+ Subtarget.isABI_N32() || Subtarget.isABI_N64());
else if (LargeGOT)
Callee = getAddrGlobalLargeGOT(G, Ty, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16, Chain,
else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
const char *Sym = S->getSymbol();
- if (!Subtarget->isABI_N64() && !IsPIC) // !N64 && static
+ if (!Subtarget.isABI_N64() && !IsPIC) // !N64 && static
Callee = DAG.getTargetExternalSymbol(Sym, getPointerTy(),
MipsII::MO_NO_FLAG);
else if (LargeGOT)
SmallVector<CCValAssign, 16> RVLocs;
CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(),
getTargetMachine(), RVLocs, *DAG.getContext());
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ MipsCC MipsCCInfo(CallConv, Subtarget.isABI_O32(), Subtarget.isFP64bit(),
CCInfo);
- MipsCCInfo.analyzeCallResult(Ins, Subtarget->abiUsesSoftFloat(),
+ MipsCCInfo.analyzeCallResult(Ins, Subtarget.abiUsesSoftFloat(),
CallNode, RetTy);
// Copy all of the result registers out of their specified physreg.
SmallVector<CCValAssign, 16> ArgLocs;
CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(),
getTargetMachine(), ArgLocs, *DAG.getContext());
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ MipsCC MipsCCInfo(CallConv, Subtarget.isABI_O32(), Subtarget.isFP64bit(),
CCInfo);
Function::const_arg_iterator FuncArg =
DAG.getMachineFunction().getFunction()->arg_begin();
- bool UseSoftFloat = Subtarget->abiUsesSoftFloat();
+ bool UseSoftFloat = Subtarget.abiUsesSoftFloat();
MipsCCInfo.analyzeFormalArguments(Ins, UseSoftFloat, FuncArg);
MipsFI->setFormalArgInfo(CCInfo.getNextStackOffset(),
(RegVT == MVT::i64 && ValVT == MVT::f64) ||
(RegVT == MVT::f64 && ValVT == MVT::i64))
ArgValue = DAG.getNode(ISD::BITCAST, DL, ValVT, ArgValue);
- else if (Subtarget->isABI_O32() && RegVT == MVT::i32 &&
+ else if (Subtarget.isABI_O32() && RegVT == MVT::i32 &&
ValVT == MVT::f64) {
unsigned Reg2 = addLiveIn(DAG.getMachineFunction(),
getNextIntArgReg(ArgReg), RC);
SDValue ArgValue2 = DAG.getCopyFromReg(Chain, DL, Reg2, RegVT);
- if (!Subtarget->isLittle())
+ if (!Subtarget.isLittle())
std::swap(ArgValue, ArgValue2);
ArgValue = DAG.getNode(MipsISD::BuildPairF64, DL, MVT::f64,
ArgValue, ArgValue2);
unsigned Reg = MipsFI->getSRetReturnReg();
if (!Reg) {
Reg = MF.getRegInfo().createVirtualRegister(
- getRegClassFor(Subtarget->isABI_N64() ? MVT::i64 : MVT::i32));
+ getRegClassFor(Subtarget.isABI_N64() ? MVT::i64 : MVT::i32));
MipsFI->setSRetReturnReg(Reg);
}
SDValue Copy = DAG.getCopyToReg(DAG.getEntryNode(), DL, Reg, InVals[i]);
// CCState - Info about the registers and stack slot.
CCState CCInfo(CallConv, IsVarArg, MF, getTargetMachine(), RVLocs,
*DAG.getContext());
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ MipsCC MipsCCInfo(CallConv, Subtarget.isABI_O32(), Subtarget.isFP64bit(),
CCInfo);
// Analyze return values.
- MipsCCInfo.analyzeReturn(Outs, Subtarget->abiUsesSoftFloat(),
+ MipsCCInfo.analyzeReturn(Outs, Subtarget.abiUsesSoftFloat(),
MF.getFunction()->getReturnType());
SDValue Flag;
if (!Reg)
llvm_unreachable("sret virtual register not created in the entry block");
SDValue Val = DAG.getCopyFromReg(Chain, DL, Reg, getPointerTy());
- unsigned V0 = Subtarget->isABI_N64() ? Mips::V0_64 : Mips::V0;
+ unsigned V0 = Subtarget.isABI_N64() ? Mips::V0_64 : Mips::V0;
Chain = DAG.getCopyToReg(Chain, DL, V0, Val, Flag);
Flag = Chain.getValue(1);
weight = CW_Register;
break;
case 'f': // FPU or MSA register
- if (Subtarget->hasMSA() && type->isVectorTy() &&
+ if (Subtarget.hasMSA() && type->isVectorTy() &&
cast<VectorType>(type)->getBitWidth() == 128)
weight = CW_Register;
else if (type->isFloatTy())
// If the size of FP registers is 64-bit or Reg is an even number, select
// the 64-bit register class. Otherwise, select the 32-bit register class.
if (VT == MVT::Other)
- VT = (Subtarget->isFP64bit() || !(Reg % 2)) ? MVT::f64 : MVT::f32;
+ VT = (Subtarget.isFP64bit() || !(Reg % 2)) ? MVT::f64 : MVT::f32;
RC = getRegClassFor(VT);
case 'y': // Same as 'r'. Exists for compatibility.
case 'r':
if (VT == MVT::i32 || VT == MVT::i16 || VT == MVT::i8) {
- if (Subtarget->inMips16Mode())
+ if (Subtarget.inMips16Mode())
return std::make_pair(0U, &Mips::CPU16RegsRegClass);
return std::make_pair(0U, &Mips::GPR32RegClass);
}
- if (VT == MVT::i64 && !Subtarget->isGP64bit())
+ if (VT == MVT::i64 && !Subtarget.isGP64bit())
return std::make_pair(0U, &Mips::GPR32RegClass);
- if (VT == MVT::i64 && Subtarget->isGP64bit())
+ if (VT == MVT::i64 && Subtarget.isGP64bit())
return std::make_pair(0U, &Mips::GPR64RegClass);
// This will generate an error message
return std::make_pair(0U, nullptr);
return std::make_pair(0U, &Mips::MSA128DRegClass);
else if (VT == MVT::f32)
return std::make_pair(0U, &Mips::FGR32RegClass);
- else if ((VT == MVT::f64) && (!Subtarget->isSingleFloat())) {
- if (Subtarget->isFP64bit())
+ else if ((VT == MVT::f64) && (!Subtarget.isSingleFloat())) {
+ if (Subtarget.isFP64bit())
return std::make_pair(0U, &Mips::FGR64RegClass);
return std::make_pair(0U, &Mips::AFGR64RegClass);
}
bool IsMemset, bool ZeroMemset,
bool MemcpyStrSrc,
MachineFunction &MF) const {
- if (Subtarget->hasMips64())
+ if (Subtarget.hasMips64())
return MVT::i64;
return MVT::i32;
}
unsigned MipsTargetLowering::getJumpTableEncoding() const {
- if (Subtarget->isABI_N64())
+ if (Subtarget.isABI_N64())
return MachineJumpTableInfo::EK_GPRel64BlockAddress;
return TargetLowering::getJumpTableEncoding();
MipsTargetLowering::getSpecialCallingConv(SDValue Callee) const {
MipsCC::SpecialCallingConvType SpecialCallingConv =
MipsCC::NoSpecialCallingConv;
- if (Subtarget->inMips16HardFloat()) {
+ if (Subtarget.inMips16HardFloat()) {
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
llvm::StringRef Sym = G->getGlobal()->getName();
Function *F = G->getGlobal()->getParent()->getFunction(Sym);
SDValue PtrOff = DAG.getFrameIndex(FI, getPointerTy());
SDValue Store = DAG.getStore(Chain, DL, ArgValue, PtrOff,
MachinePointerInfo(), false, false, 0);
- cast<StoreSDNode>(Store.getNode())->getMemOperand()->setValue((Value*)nullptr);
+ cast<StoreSDNode>(Store.getNode())->getMemOperand()->setValue(
+ (Value *)nullptr);
OutChains.push_back(Store);
}
}
// Set up the register classes
addRegisterClass(MVT::i32, &Mips::GPR32RegClass);
- if (Subtarget->isGP64bit())
+ if (Subtarget.isGP64bit())
addRegisterClass(MVT::i64, &Mips::GPR64RegClass);
- if (Subtarget->hasDSP() || Subtarget->hasMSA()) {
+ if (Subtarget.hasDSP() || Subtarget.hasMSA()) {
// Expand all truncating stores and extending loads.
unsigned FirstVT = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
unsigned LastVT = (unsigned)MVT::LAST_VECTOR_VALUETYPE;
}
}
- if (Subtarget->hasDSP()) {
+ if (Subtarget.hasDSP()) {
MVT::SimpleValueType VecTys[2] = {MVT::v2i16, MVT::v4i8};
for (unsigned i = 0; i < array_lengthof(VecTys); ++i) {
setTargetDAGCombine(ISD::VSELECT);
}
- if (Subtarget->hasDSPR2())
+ if (Subtarget.hasDSPR2())
setOperationAction(ISD::MUL, MVT::v2i16, Legal);
- if (Subtarget->hasMSA()) {
+ if (Subtarget.hasMSA()) {
addMSAIntType(MVT::v16i8, &Mips::MSA128BRegClass);
addMSAIntType(MVT::v8i16, &Mips::MSA128HRegClass);
addMSAIntType(MVT::v4i32, &Mips::MSA128WRegClass);
setTargetDAGCombine(ISD::XOR);
}
- if (!Subtarget->abiUsesSoftFloat()) {
+ if (!Subtarget.abiUsesSoftFloat()) {
addRegisterClass(MVT::f32, &Mips::FGR32RegClass);
// When dealing with single precision only, use libcalls
- if (!Subtarget->isSingleFloat()) {
- if (Subtarget->isFP64bit())
+ if (!Subtarget.isSingleFloat()) {
+ if (Subtarget.isFP64bit())
addRegisterClass(MVT::f64, &Mips::FGR64RegClass);
else
addRegisterClass(MVT::f64, &Mips::AFGR64RegClass);
setOperationAction(ISD::MULHS, MVT::i32, Custom);
setOperationAction(ISD::MULHU, MVT::i32, Custom);
- if (Subtarget->hasCnMips())
+ if (Subtarget.hasCnMips())
setOperationAction(ISD::MUL, MVT::i64, Legal);
- else if (Subtarget->isGP64bit())
+ else if (Subtarget.isGP64bit())
setOperationAction(ISD::MUL, MVT::i64, Custom);
- if (Subtarget->isGP64bit()) {
+ if (Subtarget.isGP64bit()) {
setOperationAction(ISD::MULHS, MVT::i64, Custom);
setOperationAction(ISD::MULHU, MVT::i64, Custom);
}
setOperationAction(ISD::STORE, MVT::f64, Custom);
}
- if (Subtarget->hasMips32r6()) {
+ if (Subtarget.hasMips32r6()) {
// MIPS32r6 replaces the accumulator-based multiplies with a three register
// instruction
setOperationAction(ISD::SMUL_LOHI, MVT::i32, Expand);
setOperationAction(ISD::SELECT, MVT::f32, Legal);
setOperationAction(ISD::SELECT_CC, MVT::f32, Expand);
- assert(Subtarget->isFP64bit() && "FR=1 is required for MIPS32r6");
+ assert(Subtarget.isFP64bit() && "FR=1 is required for MIPS32r6");
setOperationAction(ISD::SETCC, MVT::f64, Legal);
setOperationAction(ISD::SELECT, MVT::f64, Legal);
setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
setCondCodeAction(ISD::SETUGT, MVT::f64, Expand);
}
- if (Subtarget->hasMips64r6()) {
+ if (Subtarget.hasMips64r6()) {
// MIPS64r6 replaces the accumulator-based multiplies with a three register
// instruction
setOperationAction(ISD::MUL, MVT::i64, Legal);
const TargetRegisterClass *
MipsSETargetLowering::getRepRegClassFor(MVT VT) const {
if (VT == MVT::Untyped)
- return Subtarget->hasDSP() ? &Mips::ACC64DSPRegClass : &Mips::ACC64RegClass;
+ return Subtarget.hasDSP() ? &Mips::ACC64DSPRegClass : &Mips::ACC64RegClass;
return TargetLowering::getRepRegClassFor(VT);
}
bool *Fast) const {
MVT::SimpleValueType SVT = VT.getSimpleVT().SimpleTy;
- if (Subtarget->systemSupportsUnalignedAccess()) {
+ if (Subtarget.systemSupportsUnalignedAccess()) {
// MIPS32r6/MIPS64r6 is required to support unaligned access. It's
// implementation defined whether this is handled by hardware, software, or
// a hybrid of the two but it's expected that most implementations will
static SDValue performADDECombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
if (DCI.isBeforeLegalize())
return SDValue();
- if (Subtarget->hasMips32() && !Subtarget->hasMips32r6() &&
+ if (Subtarget.hasMips32() && !Subtarget.hasMips32r6() &&
N->getValueType(0) == MVT::i32 && selectMADD(N, &DAG))
return SDValue(N, 0);
// - Removes redundant zero extensions performed by an ISD::AND.
static SDValue performANDCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
- if (!Subtarget->hasMSA())
+ const MipsSubtarget &Subtarget) {
+ if (!Subtarget.hasMSA())
return SDValue();
SDValue Op0 = N->getOperand(0);
// vector type.
static SDValue performORCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
- if (!Subtarget->hasMSA())
+ const MipsSubtarget &Subtarget) {
+ if (!Subtarget.hasMSA())
return SDValue();
EVT Ty = N->getValueType(0);
SDValue Op0Op1 = Op0->getOperand(1);
SDValue Op1Op0 = Op1->getOperand(0);
SDValue Op1Op1 = Op1->getOperand(1);
- bool IsLittleEndian = !Subtarget->isLittle();
+ bool IsLittleEndian = !Subtarget.isLittle();
SDValue IfSet, IfClr, Cond;
bool IsConstantMask = false;
static SDValue performSUBECombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
if (DCI.isBeforeLegalize())
return SDValue();
- if (Subtarget->hasMips32() && N->getValueType(0) == MVT::i32 &&
+ if (Subtarget.hasMips32() && N->getValueType(0) == MVT::i32 &&
selectMSUB(N, &DAG))
return SDValue(N, 0);
static SDValue performDSPShiftCombine(unsigned Opc, SDNode *N, EVT Ty,
SelectionDAG &DAG,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
// See if this is a vector splat immediate node.
APInt SplatValue, SplatUndef;
unsigned SplatBitSize;
unsigned EltSize = Ty.getVectorElementType().getSizeInBits();
BuildVectorSDNode *BV = dyn_cast<BuildVectorSDNode>(N->getOperand(1));
- if (!Subtarget->hasDSP())
+ if (!Subtarget.hasDSP())
return SDValue();
if (!BV ||
!BV->isConstantSplat(SplatValue, SplatUndef, SplatBitSize, HasAnyUndefs,
- EltSize, !Subtarget->isLittle()) ||
+ EltSize, !Subtarget.isLittle()) ||
(SplatBitSize != EltSize) ||
(SplatValue.getZExtValue() >= EltSize))
return SDValue();
static SDValue performSHLCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
EVT Ty = N->getValueType(0);
if ((Ty != MVT::v2i16) && (Ty != MVT::v4i8))
// used for DSPr2.
static SDValue performSRACombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
EVT Ty = N->getValueType(0);
- if (Subtarget->hasMSA()) {
+ if (Subtarget.hasMSA()) {
SDValue Op0 = N->getOperand(0);
SDValue Op1 = N->getOperand(1);
}
}
- if ((Ty != MVT::v2i16) && ((Ty != MVT::v4i8) || !Subtarget->hasDSPR2()))
+ if ((Ty != MVT::v2i16) && ((Ty != MVT::v4i8) || !Subtarget.hasDSPR2()))
return SDValue();
return performDSPShiftCombine(MipsISD::SHRA_DSP, N, Ty, DAG, Subtarget);
static SDValue performSRLCombine(SDNode *N, SelectionDAG &DAG,
TargetLowering::DAGCombinerInfo &DCI,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
EVT Ty = N->getValueType(0);
- if (((Ty != MVT::v2i16) || !Subtarget->hasDSPR2()) && (Ty != MVT::v4i8))
+ if (((Ty != MVT::v2i16) || !Subtarget.hasDSPR2()) && (Ty != MVT::v4i8))
return SDValue();
return performDSPShiftCombine(MipsISD::SHRL_DSP, N, Ty, DAG, Subtarget);
}
static SDValue performXORCombine(SDNode *N, SelectionDAG &DAG,
- const MipsSubtarget *Subtarget) {
+ const MipsSubtarget &Subtarget) {
EVT Ty = N->getValueType(0);
- if (Subtarget->hasMSA() && Ty.is128BitVector() && Ty.isInteger()) {
+ if (Subtarget.hasMSA() && Ty.is128BitVector() && Ty.isInteger()) {
// Try the following combines:
// (xor (or $a, $b), (build_vector allones))
// (xor (or $a, $b), (bitcast (build_vector allones)))
Nd.isNonTemporal(), Nd.isInvariant(),
std::min(Nd.getAlignment(), 4U));
- if (!Subtarget->isLittle())
+ if (!Subtarget.isLittle())
std::swap(Lo, Hi);
SDValue BP = DAG.getNode(MipsISD::BuildPairF64, DL, MVT::f64, Lo, Hi);
SDValue Hi = DAG.getNode(MipsISD::ExtractElementF64, DL, MVT::i32,
Val, DAG.getConstant(1, MVT::i32));
- if (!Subtarget->isLittle())
+ if (!Subtarget.isLittle())
std::swap(Lo, Hi);
// i32 store to lower address.
bool HasLo, bool HasHi,
SelectionDAG &DAG) const {
// MIPS32r6/MIPS64r6 removed accumulator based multiplies.
- assert(!Subtarget->hasMips32r6());
+ assert(!Subtarget.hasMips32r6());
EVT Ty = Op.getOperand(0).getValueType();
SDLoc DL(Op);
case Intrinsic::mips_bnegi_w:
case Intrinsic::mips_bnegi_d:
return lowerMSABinaryBitImmIntr(Op, DAG, ISD::XOR, Op->getOperand(2),
- !Subtarget->isLittle());
+ !Subtarget.isLittle());
case Intrinsic::mips_bnz_b:
case Intrinsic::mips_bnz_h:
case Intrinsic::mips_bnz_w:
case Intrinsic::mips_bseti_w:
case Intrinsic::mips_bseti_d:
return lowerMSABinaryBitImmIntr(Op, DAG, ISD::OR, Op->getOperand(2),
- !Subtarget->isLittle());
+ !Subtarget.isLittle());
case Intrinsic::mips_bz_b:
case Intrinsic::mips_bz_h:
case Intrinsic::mips_bz_w:
case Intrinsic::mips_copy_s_w:
return lowerMSACopyIntr(Op, DAG, MipsISD::VEXTRACT_SEXT_ELT);
case Intrinsic::mips_copy_s_d:
- if (Subtarget->hasMips64())
+ if (Subtarget.hasMips64())
// Lower directly into VEXTRACT_SEXT_ELT since i64 is legal on Mips64.
return lowerMSACopyIntr(Op, DAG, MipsISD::VEXTRACT_SEXT_ELT);
else {
case Intrinsic::mips_copy_u_w:
return lowerMSACopyIntr(Op, DAG, MipsISD::VEXTRACT_ZEXT_ELT);
case Intrinsic::mips_copy_u_d:
- if (Subtarget->hasMips64())
+ if (Subtarget.hasMips64())
// Lower directly into VEXTRACT_ZEXT_ELT since i64 is legal on Mips64.
return lowerMSACopyIntr(Op, DAG, MipsISD::VEXTRACT_ZEXT_ELT);
else {
unsigned SplatBitSize;
bool HasAnyUndefs;
- if (!Subtarget->hasMSA() || !ResTy.is128BitVector())
+ if (!Subtarget.hasMSA() || !ResTy.is128BitVector())
return SDValue();
if (Node->isConstantSplat(SplatValue, SplatUndef, SplatBitSize,
HasAnyUndefs, 8,
- !Subtarget->isLittle()) && SplatBitSize <= 64) {
+ !Subtarget.isLittle()) && SplatBitSize <= 64) {
// We can only cope with 8, 16, 32, or 64-bit elements
if (SplatBitSize != 8 && SplatBitSize != 16 && SplatBitSize != 32 &&
SplatBitSize != 64)
// valid because FR=1 mode which is the only supported mode in MSA.
MachineBasicBlock * MipsSETargetLowering::
emitCOPY_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
- assert(Subtarget->isFP64bit());
+ assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
MachineBasicBlock *
MipsSETargetLowering::emitINSERT_FD(MachineInstr *MI,
MachineBasicBlock *BB) const {
- assert(Subtarget->isFP64bit());
+ assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
const TargetRegisterClass *VecRC = nullptr;
const TargetRegisterClass *GPRRC =
- Subtarget->isGP64bit() ? &Mips::GPR64RegClass : &Mips::GPR32RegClass;
+ Subtarget.isGP64bit() ? &Mips::GPR64RegClass : &Mips::GPR32RegClass;
unsigned EltLog2Size;
unsigned InsertOp = 0;
unsigned InsveOp = 0;
MachineBasicBlock *
MipsSETargetLowering::emitFILL_FD(MachineInstr *MI,
MachineBasicBlock *BB) const {
- assert(Subtarget->isFP64bit());
+ assert(Subtarget.isFP64bit());
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();