#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/CodeGen/ValueTypes.h"
}
}
-MipsTargetLowering::MipsTargetLowering(MipsTargetMachine &TM)
- : TargetLowering(TM, new MipsTargetObjectFile()),
- Subtarget(&TM.getSubtarget<MipsSubtarget>()) {
+MipsTargetLowering::MipsTargetLowering(MipsTargetMachine &TM,
+ const MipsSubtarget &STI)
+ : TargetLowering(TM, new MipsTargetObjectFile()), Subtarget(STI) {
// 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::SETCC, MVT::f32, Custom);
setOperationAction(ISD::SETCC, MVT::f64, Custom);
setOperationAction(ISD::BRCOND, MVT::Other, Custom);
- setOperationAction(ISD::VASTART, MVT::Other, Custom);
setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom);
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);
setOperationAction(ISD::EH_RETURN, MVT::Other, Custom);
- setOperationAction(ISD::VAARG, MVT::Other, Expand);
+ setOperationAction(ISD::VASTART, MVT::Other, Custom);
+ setOperationAction(ISD::VAARG, MVT::Other, Custom);
setOperationAction(ISD::VACOPY, MVT::Other, Expand);
setOperationAction(ISD::VAEND, MVT::Other, 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);
+ // The arguments on the stack are defined in terms of 4-byte slots on O32
+ // and 8-byte slots on N32/N64.
+ setMinStackArgumentAlignment(
+ (Subtarget.isABI_N32() || Subtarget.isABI_N64()) ? 8 : 4);
- setExceptionPointerRegister(Subtarget->isABI_N64() ? Mips::A0_64 : Mips::A0);
- setExceptionSelectorRegister(Subtarget->isABI_N64() ? Mips::A1_64 : Mips::A1);
+ 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);
MaxStoresPerMemcpy = 16;
- isMicroMips = Subtarget->inMicroMipsMode();
+ isMicroMips = Subtarget.inMicroMipsMode();
}
-const MipsTargetLowering *MipsTargetLowering::create(MipsTargetMachine &TM) {
- if (TM.getSubtargetImpl()->inMips16Mode())
- return llvm::createMips16TargetLowering(TM);
+const MipsTargetLowering *MipsTargetLowering::create(MipsTargetMachine &TM,
+ const MipsSubtarget &STI) {
+ if (STI.inMips16Mode())
+ return llvm::createMips16TargetLowering(TM, STI);
- return llvm::createMipsSETargetLowering(TM);
+ return llvm::createMipsSETargetLowering(TM, STI);
}
// Create a fast isel object.
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())
case ISD::SELECT_CC: return lowerSELECT_CC(Op, DAG);
case ISD::SETCC: return lowerSETCC(Op, DAG);
case ISD::VASTART: return lowerVASTART(Op, DAG);
+ case ISD::VAARG: return lowerVAARG(Op, DAG);
case ISD::FCOPYSIGN: return lowerFCOPYSIGN(Op, DAG);
case ISD::FRAMEADDR: return lowerFRAMEADDR(Op, DAG);
case ISD::RETURNADDR: return lowerRETURNADDR(Op, DAG);
case Mips::DIVU:
case Mips::MOD:
case Mips::MODU:
- return insertDivByZeroTrap(MI, *BB, *getTargetMachine().getInstrInfo(),
- false);
+ return insertDivByZeroTrap(
+ MI, *BB, *getTargetMachine().getSubtargetImpl()->getInstrInfo(), false);
case Mips::PseudoDSDIV:
case Mips::PseudoDUDIV:
case Mips::DDIV:
case Mips::DDIVU:
case Mips::DMOD:
case Mips::DMODU:
- return insertDivByZeroTrap(MI, *BB, *getTargetMachine().getInstrInfo(),
- true);
+ return insertDivByZeroTrap(
+ MI, *BB, *getTargetMachine().getSubtargetImpl()->getInstrInfo(), true);
case Mips::SEL_D:
return emitSEL_D(MI, BB);
}
MachineFunction *MF = BB->getParent();
MachineRegisterInfo &RegInfo = MF->getRegInfo();
const TargetRegisterClass *RC = getRegClassFor(MVT::getIntegerVT(Size * 8));
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned LL, SC, AND, NOR, ZERO, BEQ;
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_R6 : Mips::LL;
+ SC = Subtarget.hasMips32r6() ? Mips::SC_R6 : Mips::SC;
}
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_R6 : Mips::LLD;
+ SC = Subtarget.hasMips64r6() ? Mips::SCD_R6 : Mips::SCD;
AND = Mips::AND64;
NOR = Mips::NOR64;
ZERO = Mips::ZERO_64;
MachineBasicBlock *MipsTargetLowering::emitSignExtendToI32InReg(
MachineInstr *MI, MachineBasicBlock *BB, unsigned Size, unsigned DstReg,
unsigned SrcReg) const {
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->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;
}
MachineFunction *MF = BB->getParent();
MachineRegisterInfo &RegInfo = MF->getRegInfo();
const TargetRegisterClass *RC = getRegClassFor(MVT::i32);
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned Dest = MI->getOperand(0).getReg();
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);
MachineFunction *MF = BB->getParent();
MachineRegisterInfo &RegInfo = MF->getRegInfo();
const TargetRegisterClass *RC = getRegClassFor(MVT::getIntegerVT(Size * 8));
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned LL, SC, ZERO, BNE, BEQ;
MachineFunction *MF = BB->getParent();
MachineRegisterInfo &RegInfo = MF->getRegInfo();
const TargetRegisterClass *RC = getRegClassFor(MVT::i32);
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->getInstrInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned Dest = MI->getOperand(0).getReg();
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);
MachineBasicBlock *MipsTargetLowering::emitSEL_D(MachineInstr *MI,
MachineBasicBlock *BB) const {
MachineFunction *MF = BB->getParent();
- const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
- const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
+ const TargetRegisterInfo *TRI =
+ getTargetMachine().getSubtargetImpl()->getRegisterInfo();
+ const TargetInstrInfo *TII =
+ getTargetMachine().getSubtargetImpl()->getInstrInfo();
MachineRegisterInfo &RegInfo = MF->getRegInfo();
DebugLoc DL = MI->getDebugLoc();
MachineBasicBlock::iterator II(MI);
EVT MemVT = EVT::getIntegerVT(*DAG.getContext(), EntrySize * 8);
Addr = DAG.getExtLoad(ISD::SEXTLOAD, DL, PTy, Chain, Addr,
MachinePointerInfo::getJumpTable(), MemVT, false, false,
- 0);
+ false, 0);
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 {
MachinePointerInfo(SV), false, false, 0);
}
+SDValue MipsTargetLowering::lowerVAARG(SDValue Op, SelectionDAG &DAG) const {
+ SDNode *Node = Op.getNode();
+ EVT VT = Node->getValueType(0);
+ SDValue Chain = Node->getOperand(0);
+ SDValue VAListPtr = Node->getOperand(1);
+ unsigned Align = Node->getConstantOperandVal(3);
+ const Value *SV = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
+ SDLoc DL(Node);
+ unsigned ArgSlotSizeInBytes =
+ (Subtarget.isABI_N32() || Subtarget.isABI_N64()) ? 8 : 4;
+
+ SDValue VAListLoad = DAG.getLoad(getPointerTy(), DL, Chain, VAListPtr,
+ MachinePointerInfo(SV), false, false, false,
+ 0);
+ SDValue VAList = VAListLoad;
+
+ // Re-align the pointer if necessary.
+ // It should only ever be necessary for 64-bit types on O32 since the minimum
+ // argument alignment is the same as the maximum type alignment for N32/N64.
+ //
+ // FIXME: We currently align too often. The code generator doesn't notice
+ // when the pointer is still aligned from the last va_arg (or pair of
+ // va_args for the i64 on O32 case).
+ if (Align > getMinStackArgumentAlignment()) {
+ assert(((Align & (Align-1)) == 0) && "Expected Align to be a power of 2");
+
+ VAList = DAG.getNode(ISD::ADD, DL, VAList.getValueType(), VAList,
+ DAG.getConstant(Align - 1,
+ VAList.getValueType()));
+
+ VAList = DAG.getNode(ISD::AND, DL, VAList.getValueType(), VAList,
+ DAG.getConstant(-(int64_t)Align,
+ VAList.getValueType()));
+ }
+
+ // Increment the pointer, VAList, to the next vaarg.
+ unsigned ArgSizeInBytes = getDataLayout()->getTypeAllocSize(VT.getTypeForEVT(*DAG.getContext()));
+ SDValue Tmp3 = DAG.getNode(ISD::ADD, DL, VAList.getValueType(), VAList,
+ DAG.getConstant(RoundUpToAlignment(ArgSizeInBytes, ArgSlotSizeInBytes),
+ VAList.getValueType()));
+ // Store the incremented VAList to the legalized pointer
+ Chain = DAG.getStore(VAListLoad.getValue(1), DL, Tmp3, VAListPtr,
+ MachinePointerInfo(SV), false, false, 0);
+
+ // In big-endian mode we must adjust the pointer when the load size is smaller
+ // than the argument slot size. We must also reduce the known alignment to
+ // match. For example in the N64 ABI, we must add 4 bytes to the offset to get
+ // the correct half of the slot, and reduce the alignment from 8 (slot
+ // alignment) down to 4 (type alignment).
+ if (!Subtarget.isLittle() && ArgSizeInBytes < ArgSlotSizeInBytes) {
+ unsigned Adjustment = ArgSlotSizeInBytes - ArgSizeInBytes;
+ VAList = DAG.getNode(ISD::ADD, DL, VAListPtr.getValueType(), VAList,
+ DAG.getIntPtrConstant(Adjustment));
+ }
+ // Load the actual argument out of the pointer VAList
+ return DAG.getLoad(VT, DL, Chain, VAList, MachinePointerInfo(), false, false,
+ false, 0);
+}
+
static SDValue lowerFCOPYSIGN32(SDValue Op, SelectionDAG &DAG,
bool HasExtractInsert) {
EVT TyX = Op.getOperand(0).getValueType();
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)));
}
RegsToPass[i].second.getValueType()));
// Add a register mask operand representing the call-preserved registers.
- const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
+ const TargetRegisterInfo *TRI =
+ getTargetMachine().getSubtargetImpl()->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);
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- const TargetFrameLowering *TFL = MF.getTarget().getFrameLowering();
+ const TargetFrameLowering *TFL = MF.getSubtarget().getFrameLowering();
MipsFunctionInfo *FuncInfo = MF.getInfo<MipsFunctionInfo>();
bool IsPIC = getTargetMachine().getRelocationModel() == Reloc::PIC_;
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(),
- getTargetMachine(), ArgLocs, *DAG.getContext());
+ CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(), 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)
const Type *RetTy) const {
// Assign locations to each value returned by this call.
SmallVector<CCValAssign, 16> RVLocs;
- CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(),
- getTargetMachine(), RVLocs, *DAG.getContext());
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(), RVLocs,
+ *DAG.getContext());
+ 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.
// Assign locations to all of the incoming arguments.
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(),
- getTargetMachine(), ArgLocs, *DAG.getContext());
- MipsCC MipsCCInfo(CallConv, Subtarget->isABI_O32(), Subtarget->isFP64bit(),
+ CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(), ArgLocs,
+ *DAG.getContext());
+ 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]);
const SmallVectorImpl<ISD::OutputArg> &Outs,
LLVMContext &Context) const {
SmallVector<CCValAssign, 16> RVLocs;
- CCState CCInfo(CallConv, IsVarArg, MF, getTargetMachine(),
- RVLocs, Context);
+ CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, Context);
return CCInfo.CheckReturn(Outs, RetCC_Mips);
}
MachineFunction &MF = DAG.getMachineFunction();
// 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(),
+ CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, *DAG.getContext());
+ 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())
std::pair<unsigned, const TargetRegisterClass *> MipsTargetLowering::
parseRegForInlineAsmConstraint(const StringRef &C, MVT VT) const {
- const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
+ const TargetRegisterInfo *TRI =
+ getTargetMachine().getSubtargetImpl()->getRegisterInfo();
const TargetRegisterClass *RC;
std::string Prefix;
unsigned long long Reg;
// 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);
DAG.getConstant(OffsetInBytes, PtrTy));
SDValue LoadVal = DAG.getExtLoad(
ISD::ZEXTLOAD, DL, RegTy, Chain, LoadPtr, MachinePointerInfo(),
- MVT::getIntegerVT(LoadSizeInBytes * 8), false, false, Alignment);
+ MVT::getIntegerVT(LoadSizeInBytes * 8), false, false, false,
+ Alignment);
MemOpChains.push_back(LoadVal.getValue(1));
// Shift the loaded value.
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);
}
}
projects / oota-llvm.git / blobdiff