#define DEBUG_TYPE "arm-pseudo"
#include "ARM.h"
#include "ARMBaseInstrInfo.h"
+#include "ARMBaseRegisterInfo.h"
+#include "ARMMachineFunctionInfo.h"
+#include "ARMRegisterInfo.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h" // FIXME: for debug only. remove!
using namespace llvm;
+static cl::opt<bool>
+VerifyARMPseudo("verify-arm-pseudo-expand", cl::Hidden,
+ cl::desc("Verify machine code after expanding ARM pseudos"));
+
namespace {
class ARMExpandPseudo : public MachineFunctionPass {
public:
static char ID;
ARMExpandPseudo() : MachineFunctionPass(ID) {}
- const TargetInstrInfo *TII;
+ const ARMBaseInstrInfo *TII;
const TargetRegisterInfo *TRI;
+ const ARMSubtarget *STI;
+ ARMFunctionInfo *AFI;
virtual bool runOnMachineFunction(MachineFunction &Fn);
private:
void TransferImpOps(MachineInstr &OldMI,
MachineInstrBuilder &UseMI, MachineInstrBuilder &DefMI);
+ bool ExpandMI(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI);
bool ExpandMBB(MachineBasicBlock &MBB);
void ExpandVLD(MachineBasicBlock::iterator &MBBI);
void ExpandVST(MachineBasicBlock::iterator &MBBI);
void ExpandLaneOp(MachineBasicBlock::iterator &MBBI);
void ExpandVTBL(MachineBasicBlock::iterator &MBBI,
unsigned Opc, bool IsExt, unsigned NumRegs);
+ void ExpandMOV32BitImm(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator &MBBI);
};
char ARMExpandPseudo::ID = 0;
}
void ARMExpandPseudo::TransferImpOps(MachineInstr &OldMI,
MachineInstrBuilder &UseMI,
MachineInstrBuilder &DefMI) {
- const TargetInstrDesc &Desc = OldMI.getDesc();
+ const MCInstrDesc &Desc = OldMI.getDesc();
for (unsigned i = Desc.getNumOperands(), e = OldMI.getNumOperands();
i != e; ++i) {
const MachineOperand &MO = OldMI.getOperand(i);
friend bool operator<(const NEONLdStTableEntry &TE, unsigned PseudoOpc) {
return TE.PseudoOpc < PseudoOpc;
}
- friend bool ATTRIBUTE_UNUSED operator<(unsigned PseudoOpc,
- const NEONLdStTableEntry &TE) {
+ friend bool LLVM_ATTRIBUTE_UNUSED operator<(unsigned PseudoOpc,
+ const NEONLdStTableEntry &TE) {
return PseudoOpc < TE.PseudoOpc;
}
};
}
static const NEONLdStTableEntry NEONLdStTable[] = {
+{ ARM::VLD1DUPq16Pseudo, ARM::VLD1DUPq16, true, false, SingleSpc, 2, 4},
+{ ARM::VLD1DUPq16Pseudo_UPD, ARM::VLD1DUPq16_UPD, true, true, SingleSpc, 2, 4},
+{ ARM::VLD1DUPq32Pseudo, ARM::VLD1DUPq32, true, false, SingleSpc, 2, 2},
+{ ARM::VLD1DUPq32Pseudo_UPD, ARM::VLD1DUPq32_UPD, true, true, SingleSpc, 2, 2},
+{ ARM::VLD1DUPq8Pseudo, ARM::VLD1DUPq8, true, false, SingleSpc, 2, 8},
+{ ARM::VLD1DUPq8Pseudo_UPD, ARM::VLD1DUPq8_UPD, true, true, SingleSpc, 2, 8},
+
+{ ARM::VLD1LNq16Pseudo, ARM::VLD1LNd16, true, false, EvenDblSpc, 1, 4 },
+{ ARM::VLD1LNq16Pseudo_UPD, ARM::VLD1LNd16_UPD, true, true, EvenDblSpc, 1, 4 },
+{ ARM::VLD1LNq32Pseudo, ARM::VLD1LNd32, true, false, EvenDblSpc, 1, 2 },
+{ ARM::VLD1LNq32Pseudo_UPD, ARM::VLD1LNd32_UPD, true, true, EvenDblSpc, 1, 2 },
+{ ARM::VLD1LNq8Pseudo, ARM::VLD1LNd8, true, false, EvenDblSpc, 1, 8 },
+{ ARM::VLD1LNq8Pseudo_UPD, ARM::VLD1LNd8_UPD, true, true, EvenDblSpc, 1, 8 },
+
{ ARM::VLD1d64QPseudo, ARM::VLD1d64Q, true, false, SingleSpc, 4, 1 },
{ ARM::VLD1d64QPseudo_UPD, ARM::VLD1d64Q_UPD, true, true, SingleSpc, 4, 1 },
{ ARM::VLD1d64TPseudo, ARM::VLD1d64T, true, false, SingleSpc, 3, 1 },
{ ARM::VLD1q8Pseudo, ARM::VLD1q8, true, false, SingleSpc, 2, 8 },
{ ARM::VLD1q8Pseudo_UPD, ARM::VLD1q8_UPD, true, true, SingleSpc, 2, 8 },
+{ ARM::VLD2DUPd16Pseudo, ARM::VLD2DUPd16, true, false, SingleSpc, 2, 4},
+{ ARM::VLD2DUPd16Pseudo_UPD, ARM::VLD2DUPd16_UPD, true, true, SingleSpc, 2, 4},
+{ ARM::VLD2DUPd32Pseudo, ARM::VLD2DUPd32, true, false, SingleSpc, 2, 2},
+{ ARM::VLD2DUPd32Pseudo_UPD, ARM::VLD2DUPd32_UPD, true, true, SingleSpc, 2, 2},
+{ ARM::VLD2DUPd8Pseudo, ARM::VLD2DUPd8, true, false, SingleSpc, 2, 8},
+{ ARM::VLD2DUPd8Pseudo_UPD, ARM::VLD2DUPd8_UPD, true, true, SingleSpc, 2, 8},
+
{ ARM::VLD2LNd16Pseudo, ARM::VLD2LNd16, true, false, SingleSpc, 2, 4 },
{ ARM::VLD2LNd16Pseudo_UPD, ARM::VLD2LNd16_UPD, true, true, SingleSpc, 2, 4 },
{ ARM::VLD2LNd32Pseudo, ARM::VLD2LNd32, true, false, SingleSpc, 2, 2 },
{ ARM::VLD2q8Pseudo, ARM::VLD2q8, true, false, SingleSpc, 4, 8 },
{ ARM::VLD2q8Pseudo_UPD, ARM::VLD2q8_UPD, true, true, SingleSpc, 4, 8 },
+{ ARM::VLD3DUPd16Pseudo, ARM::VLD3DUPd16, true, false, SingleSpc, 3, 4},
+{ ARM::VLD3DUPd16Pseudo_UPD, ARM::VLD3DUPd16_UPD, true, true, SingleSpc, 3, 4},
+{ ARM::VLD3DUPd32Pseudo, ARM::VLD3DUPd32, true, false, SingleSpc, 3, 2},
+{ ARM::VLD3DUPd32Pseudo_UPD, ARM::VLD3DUPd32_UPD, true, true, SingleSpc, 3, 2},
+{ ARM::VLD3DUPd8Pseudo, ARM::VLD3DUPd8, true, false, SingleSpc, 3, 8},
+{ ARM::VLD3DUPd8Pseudo_UPD, ARM::VLD3DUPd8_UPD, true, true, SingleSpc, 3, 8},
+
{ ARM::VLD3LNd16Pseudo, ARM::VLD3LNd16, true, false, SingleSpc, 3, 4 },
{ ARM::VLD3LNd16Pseudo_UPD, ARM::VLD3LNd16_UPD, true, true, SingleSpc, 3, 4 },
{ ARM::VLD3LNd32Pseudo, ARM::VLD3LNd32, true, false, SingleSpc, 3, 2 },
{ ARM::VLD3d8Pseudo_UPD, ARM::VLD3d8_UPD, true, true, SingleSpc, 3, 8 },
{ ARM::VLD3q16Pseudo_UPD, ARM::VLD3q16_UPD, true, true, EvenDblSpc, 3, 4 },
+{ ARM::VLD3q16oddPseudo, ARM::VLD3q16, true, false, OddDblSpc, 3, 4 },
{ ARM::VLD3q16oddPseudo_UPD, ARM::VLD3q16_UPD, true, true, OddDblSpc, 3, 4 },
{ ARM::VLD3q32Pseudo_UPD, ARM::VLD3q32_UPD, true, true, EvenDblSpc, 3, 2 },
+{ ARM::VLD3q32oddPseudo, ARM::VLD3q32, true, false, OddDblSpc, 3, 2 },
{ ARM::VLD3q32oddPseudo_UPD, ARM::VLD3q32_UPD, true, true, OddDblSpc, 3, 2 },
{ ARM::VLD3q8Pseudo_UPD, ARM::VLD3q8_UPD, true, true, EvenDblSpc, 3, 8 },
+{ ARM::VLD3q8oddPseudo, ARM::VLD3q8, true, false, OddDblSpc, 3, 8 },
{ ARM::VLD3q8oddPseudo_UPD, ARM::VLD3q8_UPD, true, true, OddDblSpc, 3, 8 },
+{ ARM::VLD4DUPd16Pseudo, ARM::VLD4DUPd16, true, false, SingleSpc, 4, 4},
+{ ARM::VLD4DUPd16Pseudo_UPD, ARM::VLD4DUPd16_UPD, true, true, SingleSpc, 4, 4},
+{ ARM::VLD4DUPd32Pseudo, ARM::VLD4DUPd32, true, false, SingleSpc, 4, 2},
+{ ARM::VLD4DUPd32Pseudo_UPD, ARM::VLD4DUPd32_UPD, true, true, SingleSpc, 4, 2},
+{ ARM::VLD4DUPd8Pseudo, ARM::VLD4DUPd8, true, false, SingleSpc, 4, 8},
+{ ARM::VLD4DUPd8Pseudo_UPD, ARM::VLD4DUPd8_UPD, true, true, SingleSpc, 4, 8},
+
{ ARM::VLD4LNd16Pseudo, ARM::VLD4LNd16, true, false, SingleSpc, 4, 4 },
{ ARM::VLD4LNd16Pseudo_UPD, ARM::VLD4LNd16_UPD, true, true, SingleSpc, 4, 4 },
{ ARM::VLD4LNd32Pseudo, ARM::VLD4LNd32, true, false, SingleSpc, 4, 2 },
{ ARM::VLD4d8Pseudo_UPD, ARM::VLD4d8_UPD, true, true, SingleSpc, 4, 8 },
{ ARM::VLD4q16Pseudo_UPD, ARM::VLD4q16_UPD, true, true, EvenDblSpc, 4, 4 },
+{ ARM::VLD4q16oddPseudo, ARM::VLD4q16, true, false, OddDblSpc, 4, 4 },
{ ARM::VLD4q16oddPseudo_UPD, ARM::VLD4q16_UPD, true, true, OddDblSpc, 4, 4 },
{ ARM::VLD4q32Pseudo_UPD, ARM::VLD4q32_UPD, true, true, EvenDblSpc, 4, 2 },
+{ ARM::VLD4q32oddPseudo, ARM::VLD4q32, true, false, OddDblSpc, 4, 2 },
{ ARM::VLD4q32oddPseudo_UPD, ARM::VLD4q32_UPD, true, true, OddDblSpc, 4, 2 },
{ ARM::VLD4q8Pseudo_UPD, ARM::VLD4q8_UPD, true, true, EvenDblSpc, 4, 8 },
+{ ARM::VLD4q8oddPseudo, ARM::VLD4q8, true, false, OddDblSpc, 4, 8 },
{ ARM::VLD4q8oddPseudo_UPD, ARM::VLD4q8_UPD, true, true, OddDblSpc, 4, 8 },
+{ ARM::VST1LNq16Pseudo, ARM::VST1LNd16, false, false, EvenDblSpc, 1, 4 },
+{ ARM::VST1LNq16Pseudo_UPD, ARM::VST1LNd16_UPD,false, true, EvenDblSpc, 1, 4 },
+{ ARM::VST1LNq32Pseudo, ARM::VST1LNd32, false, false, EvenDblSpc, 1, 2 },
+{ ARM::VST1LNq32Pseudo_UPD, ARM::VST1LNd32_UPD,false, true, EvenDblSpc, 1, 2 },
+{ ARM::VST1LNq8Pseudo, ARM::VST1LNd8, false, false, EvenDblSpc, 1, 8 },
+{ ARM::VST1LNq8Pseudo_UPD, ARM::VST1LNd8_UPD, false, true, EvenDblSpc, 1, 8 },
+
{ ARM::VST1d64QPseudo, ARM::VST1d64Q, false, false, SingleSpc, 4, 1 },
{ ARM::VST1d64QPseudo_UPD, ARM::VST1d64Q_UPD, false, true, SingleSpc, 4, 1 },
{ ARM::VST1d64TPseudo, ARM::VST1d64T, false, false, SingleSpc, 3, 1 },
{ ARM::VST3d8Pseudo_UPD, ARM::VST3d8_UPD, false, true, SingleSpc, 3, 8 },
{ ARM::VST3q16Pseudo_UPD, ARM::VST3q16_UPD, false, true, EvenDblSpc, 3, 4 },
+{ ARM::VST3q16oddPseudo, ARM::VST3q16, false, false, OddDblSpc, 3, 4 },
{ ARM::VST3q16oddPseudo_UPD, ARM::VST3q16_UPD, false, true, OddDblSpc, 3, 4 },
{ ARM::VST3q32Pseudo_UPD, ARM::VST3q32_UPD, false, true, EvenDblSpc, 3, 2 },
+{ ARM::VST3q32oddPseudo, ARM::VST3q32, false, false, OddDblSpc, 3, 2 },
{ ARM::VST3q32oddPseudo_UPD, ARM::VST3q32_UPD, false, true, OddDblSpc, 3, 2 },
{ ARM::VST3q8Pseudo_UPD, ARM::VST3q8_UPD, false, true, EvenDblSpc, 3, 8 },
+{ ARM::VST3q8oddPseudo, ARM::VST3q8, false, false, OddDblSpc, 3, 8 },
{ ARM::VST3q8oddPseudo_UPD, ARM::VST3q8_UPD, false, true, OddDblSpc, 3, 8 },
{ ARM::VST4LNd16Pseudo, ARM::VST4LNd16, false, false, SingleSpc, 4, 4 },
{ ARM::VST4d8Pseudo_UPD, ARM::VST4d8_UPD, false, true, SingleSpc, 4, 8 },
{ ARM::VST4q16Pseudo_UPD, ARM::VST4q16_UPD, false, true, EvenDblSpc, 4, 4 },
+{ ARM::VST4q16oddPseudo, ARM::VST4q16, false, false, OddDblSpc, 4, 4 },
{ ARM::VST4q16oddPseudo_UPD, ARM::VST4q16_UPD, false, true, OddDblSpc, 4, 4 },
{ ARM::VST4q32Pseudo_UPD, ARM::VST4q32_UPD, false, true, EvenDblSpc, 4, 2 },
+{ ARM::VST4q32oddPseudo, ARM::VST4q32, false, false, OddDblSpc, 4, 2 },
{ ARM::VST4q32oddPseudo_UPD, ARM::VST4q32_UPD, false, true, OddDblSpc, 4, 2 },
{ ARM::VST4q8Pseudo_UPD, ARM::VST4q8_UPD, false, true, EvenDblSpc, 4, 8 },
-{ ARM::VST4q8oddPseudo_UPD , ARM::VST4q8_UPD, false, true, OddDblSpc, 4, 8 }
+{ ARM::VST4q8oddPseudo, ARM::VST4q8, false, false, OddDblSpc, 4, 8 },
+{ ARM::VST4q8oddPseudo_UPD, ARM::VST4q8_UPD, false, true, OddDblSpc, 4, 8 }
};
/// LookupNEONLdSt - Search the NEONLdStTable for information about a NEON
// Add an implicit def for the super-register.
MIB.addReg(DstReg, RegState::ImplicitDefine | getDeadRegState(DstIsDead));
TransferImpOps(MI, MIB, MIB);
+
+ // Transfer memoperands.
+ MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+
MI.eraseFromParent();
}
MIB.addOperand(MI.getOperand(OpIdx++));
MIB.addOperand(MI.getOperand(OpIdx++));
- if (SrcIsKill)
- // Add an implicit kill for the super-reg.
- (*MIB).addRegisterKilled(SrcReg, TRI, true);
+ if (SrcIsKill) // Add an implicit kill for the super-reg.
+ MIB->addRegisterKilled(SrcReg, TRI, true);
TransferImpOps(MI, MIB, MIB);
+
+ // Transfer memoperands.
+ MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+
MI.eraseFromParent();
}
}
assert(Lane < RegElts && "out of range lane for VLD/VST-lane");
- unsigned D0, D1, D2, D3;
+ unsigned D0 = 0, D1 = 0, D2 = 0, D3 = 0;
unsigned DstReg = 0;
bool DstIsDead = false;
if (TableEntry->IsLoad) {
DstIsDead = MI.getOperand(OpIdx).isDead();
DstReg = MI.getOperand(OpIdx++).getReg();
GetDSubRegs(DstReg, RegSpc, TRI, D0, D1, D2, D3);
- MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead))
- .addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
+ MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 1)
+ MIB.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
if (NumRegs > 2)
MIB.addReg(D2, RegState::Define | getDeadRegState(DstIsDead));
if (NumRegs > 3)
// Add the subregs as sources of the new instruction.
unsigned SrcFlags = (getUndefRegState(MO.isUndef()) |
getKillRegState(MO.isKill()));
- MIB.addReg(D0, SrcFlags).addReg(D1, SrcFlags);
+ MIB.addReg(D0, SrcFlags);
+ if (NumRegs > 1)
+ MIB.addReg(D1, SrcFlags);
if (NumRegs > 2)
MIB.addReg(D2, SrcFlags);
if (NumRegs > 3)
MIB.addOperand(MI.getOperand(OpIdx++));
MIB.addOperand(MI.getOperand(OpIdx++));
- if (SrcIsKill)
- // Add an implicit kill for the super-reg.
- (*MIB).addRegisterKilled(SrcReg, TRI, true);
+ if (SrcIsKill) // Add an implicit kill for the super-reg.
+ MIB->addRegisterKilled(SrcReg, TRI, true);
TransferImpOps(MI, MIB, MIB);
MI.eraseFromParent();
}
-bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
- bool Modified = false;
+void ARMExpandPseudo::ExpandMOV32BitImm(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator &MBBI) {
+ MachineInstr &MI = *MBBI;
+ unsigned Opcode = MI.getOpcode();
+ unsigned PredReg = 0;
+ ARMCC::CondCodes Pred = llvm::getInstrPredicate(&MI, PredReg);
+ unsigned DstReg = MI.getOperand(0).getReg();
+ bool DstIsDead = MI.getOperand(0).isDead();
+ bool isCC = Opcode == ARM::MOVCCi32imm || Opcode == ARM::t2MOVCCi32imm;
+ const MachineOperand &MO = MI.getOperand(isCC ? 2 : 1);
+ MachineInstrBuilder LO16, HI16;
+
+ if (!STI->hasV6T2Ops() &&
+ (Opcode == ARM::MOVi32imm || Opcode == ARM::MOVCCi32imm)) {
+ // Expand into a movi + orr.
+ LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVi), DstReg);
+ HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::ORRri))
+ .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
+ .addReg(DstReg);
+
+ assert (MO.isImm() && "MOVi32imm w/ non-immediate source operand!");
+ unsigned ImmVal = (unsigned)MO.getImm();
+ unsigned SOImmValV1 = ARM_AM::getSOImmTwoPartFirst(ImmVal);
+ unsigned SOImmValV2 = ARM_AM::getSOImmTwoPartSecond(ImmVal);
+ LO16 = LO16.addImm(SOImmValV1);
+ HI16 = HI16.addImm(SOImmValV2);
+ LO16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ HI16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ LO16.addImm(Pred).addReg(PredReg).addReg(0);
+ HI16.addImm(Pred).addReg(PredReg).addReg(0);
+ TransferImpOps(MI, LO16, HI16);
+ MI.eraseFromParent();
+ return;
+ }
- MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();
- while (MBBI != E) {
- MachineInstr &MI = *MBBI;
- MachineBasicBlock::iterator NMBBI = llvm::next(MBBI);
+ unsigned LO16Opc = 0;
+ unsigned HI16Opc = 0;
+ if (Opcode == ARM::t2MOVi32imm || Opcode == ARM::t2MOVCCi32imm) {
+ LO16Opc = ARM::t2MOVi16;
+ HI16Opc = ARM::t2MOVTi16;
+ } else {
+ LO16Opc = ARM::MOVi16;
+ HI16Opc = ARM::MOVTi16;
+ }
+
+ LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(LO16Opc), DstReg);
+ HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(HI16Opc))
+ .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
+ .addReg(DstReg);
+
+ if (MO.isImm()) {
+ unsigned Imm = MO.getImm();
+ unsigned Lo16 = Imm & 0xffff;
+ unsigned Hi16 = (Imm >> 16) & 0xffff;
+ LO16 = LO16.addImm(Lo16);
+ HI16 = HI16.addImm(Hi16);
+ } else {
+ const GlobalValue *GV = MO.getGlobal();
+ unsigned TF = MO.getTargetFlags();
+ LO16 = LO16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_LO16);
+ HI16 = HI16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_HI16);
+ }
- bool ModifiedOp = true;
- unsigned Opcode = MI.getOpcode();
- switch (Opcode) {
+ LO16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ HI16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ LO16.addImm(Pred).addReg(PredReg);
+ HI16.addImm(Pred).addReg(PredReg);
+
+ TransferImpOps(MI, LO16, HI16);
+ MI.eraseFromParent();
+}
+
+bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI) {
+ MachineInstr &MI = *MBBI;
+ unsigned Opcode = MI.getOpcode();
+ switch (Opcode) {
default:
- ModifiedOp = false;
- break;
+ return false;
+ case ARM::VMOVScc:
+ case ARM::VMOVDcc: {
+ unsigned newOpc = Opcode == ARM::VMOVScc ? ARM::VMOVS : ARM::VMOVD;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(newOpc),
+ MI.getOperand(1).getReg())
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg());
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::t2MOVCCr:
+ case ARM::MOVCCr: {
+ unsigned Opc = AFI->isThumbFunction() ? ARM::t2MOVr : ARM::MOVr;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
+ MI.getOperand(1).getReg())
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MOVCCsi: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsi),
+ (MI.getOperand(1).getReg()))
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addImm(MI.getOperand(3).getImm())
+ .addImm(MI.getOperand(4).getImm()) // 'pred'
+ .addReg(MI.getOperand(5).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+
+ case ARM::MOVCCsr: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsr),
+ (MI.getOperand(1).getReg()))
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addReg(MI.getOperand(3).getReg(),
+ getKillRegState(MI.getOperand(3).isKill()))
+ .addImm(MI.getOperand(4).getImm())
+ .addImm(MI.getOperand(5).getImm()) // 'pred'
+ .addReg(MI.getOperand(6).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MOVCCi16: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVi16),
+ MI.getOperand(1).getReg())
+ .addImm(MI.getOperand(2).getImm())
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg());
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::t2MOVCCi:
+ case ARM::MOVCCi: {
+ unsigned Opc = AFI->isThumbFunction() ? ARM::t2MOVi : ARM::MOVi;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
+ MI.getOperand(1).getReg())
+ .addImm(MI.getOperand(2).getImm())
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MVNCCi: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MVNi),
+ MI.getOperand(1).getReg())
+ .addImm(MI.getOperand(2).getImm())
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::Int_eh_sjlj_dispatchsetup: {
+ MachineFunction &MF = *MI.getParent()->getParent();
+ const ARMBaseInstrInfo *AII =
+ static_cast<const ARMBaseInstrInfo*>(TII);
+ const ARMBaseRegisterInfo &RI = AII->getRegisterInfo();
+ // For functions using a base pointer, we rematerialize it (via the frame
+ // pointer) here since eh.sjlj.setjmp and eh.sjlj.longjmp don't do it
+ // for us. Otherwise, expand to nothing.
+ if (RI.hasBasePointer(MF)) {
+ int32_t NumBytes = AFI->getFramePtrSpillOffset();
+ unsigned FramePtr = RI.getFrameRegister(MF);
+ assert(MF.getTarget().getFrameLowering()->hasFP(MF) &&
+ "base pointer without frame pointer?");
+
+ if (AFI->isThumb2Function()) {
+ llvm::emitT2RegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
+ FramePtr, -NumBytes, ARMCC::AL, 0, *TII);
+ } else if (AFI->isThumbFunction()) {
+ llvm::emitThumbRegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
+ FramePtr, -NumBytes, *TII, RI);
+ } else {
+ llvm::emitARMRegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
+ FramePtr, -NumBytes, ARMCC::AL, 0,
+ *TII);
+ }
+ // If there's dynamic realignment, adjust for it.
+ if (RI.needsStackRealignment(MF)) {
+ MachineFrameInfo *MFI = MF.getFrameInfo();
+ unsigned MaxAlign = MFI->getMaxAlignment();
+ assert (!AFI->isThumb1OnlyFunction());
+ // Emit bic r6, r6, MaxAlign
+ unsigned bicOpc = AFI->isThumbFunction() ?
+ ARM::t2BICri : ARM::BICri;
+ AddDefaultCC(AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(bicOpc), ARM::R6)
+ .addReg(ARM::R6, RegState::Kill)
+ .addImm(MaxAlign-1)));
+ }
+
+ }
+ MI.eraseFromParent();
+ return true;
+ }
+
+ case ARM::MOVsrl_flag:
+ case ARM::MOVsra_flag: {
+ // These are just fancy MOVs insructions.
+ AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsi),
+ MI.getOperand(0).getReg())
+ .addOperand(MI.getOperand(1))
+ .addImm(ARM_AM::getSORegOpc((Opcode == ARM::MOVsrl_flag ?
+ ARM_AM::lsr : ARM_AM::asr),
+ 1)))
+ .addReg(ARM::CPSR, RegState::Define);
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::RRX: {
+ // This encodes as "MOVs Rd, Rm, rrx
+ MachineInstrBuilder MIB =
+ AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),TII->get(ARM::MOVsi),
+ MI.getOperand(0).getReg())
+ .addOperand(MI.getOperand(1))
+ .addImm(ARM_AM::getSORegOpc(ARM_AM::rrx, 0)))
+ .addReg(0);
+ TransferImpOps(MI, MIB, MIB);
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::tTPsoft:
+ case ARM::TPsoft: {
+ MachineInstrBuilder MIB =
+ BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(Opcode == ARM::tTPsoft ? ARM::tBL : ARM::BL))
+ .addExternalSymbol("__aeabi_read_tp", 0);
+
+ MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ TransferImpOps(MI, MIB, MIB);
+ MI.eraseFromParent();
+ return true;
+ }
case ARM::tLDRpci_pic:
case ARM::t2LDRpci_pic: {
unsigned NewLdOpc = (Opcode == ARM::tLDRpci_pic)
AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
TII->get(NewLdOpc), DstReg)
.addOperand(MI.getOperand(1)));
- (*MIB1).setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ MIB1->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
MachineInstrBuilder MIB2 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
TII->get(ARM::tPICADD))
- .addReg(DstReg, getDefRegState(true) | getDeadRegState(DstIsDead))
+ .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
.addReg(DstReg)
.addOperand(MI.getOperand(2));
TransferImpOps(MI, MIB1, MIB2);
MI.eraseFromParent();
- break;
+ return true;
}
- case ARM::MOVi32imm:
- case ARM::t2MOVi32imm: {
- unsigned PredReg = 0;
- ARMCC::CondCodes Pred = llvm::getInstrPredicate(&MI, PredReg);
+ case ARM::MOV_ga_dyn:
+ case ARM::MOV_ga_pcrel:
+ case ARM::MOV_ga_pcrel_ldr:
+ case ARM::t2MOV_ga_dyn:
+ case ARM::t2MOV_ga_pcrel: {
+ // Expand into movw + movw. Also "add pc" / ldr [pc] in PIC mode.
+ unsigned LabelId = AFI->createPICLabelUId();
unsigned DstReg = MI.getOperand(0).getReg();
bool DstIsDead = MI.getOperand(0).isDead();
- const MachineOperand &MO = MI.getOperand(1);
- MachineInstrBuilder LO16, HI16;
-
- LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
- TII->get(Opcode == ARM::MOVi32imm ?
- ARM::MOVi16 : ARM::t2MOVi16),
- DstReg);
- HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
- TII->get(Opcode == ARM::MOVi32imm ?
- ARM::MOVTi16 : ARM::t2MOVTi16))
- .addReg(DstReg, getDefRegState(true) | getDeadRegState(DstIsDead))
- .addReg(DstReg);
-
- if (MO.isImm()) {
- unsigned Imm = MO.getImm();
- unsigned Lo16 = Imm & 0xffff;
- unsigned Hi16 = (Imm >> 16) & 0xffff;
- LO16 = LO16.addImm(Lo16);
- HI16 = HI16.addImm(Hi16);
- } else {
- const GlobalValue *GV = MO.getGlobal();
- unsigned TF = MO.getTargetFlags();
- LO16 = LO16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_LO16);
- HI16 = HI16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_HI16);
+ const MachineOperand &MO1 = MI.getOperand(1);
+ const GlobalValue *GV = MO1.getGlobal();
+ unsigned TF = MO1.getTargetFlags();
+ bool isARM = (Opcode != ARM::t2MOV_ga_pcrel && Opcode!=ARM::t2MOV_ga_dyn);
+ bool isPIC = (Opcode != ARM::MOV_ga_dyn && Opcode != ARM::t2MOV_ga_dyn);
+ unsigned LO16Opc = isARM ? ARM::MOVi16_ga_pcrel : ARM::t2MOVi16_ga_pcrel;
+ unsigned HI16Opc = isARM ? ARM::MOVTi16_ga_pcrel :ARM::t2MOVTi16_ga_pcrel;
+ unsigned LO16TF = isPIC
+ ? ARMII::MO_LO16_NONLAZY_PIC : ARMII::MO_LO16_NONLAZY;
+ unsigned HI16TF = isPIC
+ ? ARMII::MO_HI16_NONLAZY_PIC : ARMII::MO_HI16_NONLAZY;
+ unsigned PICAddOpc = isARM
+ ? (Opcode == ARM::MOV_ga_pcrel_ldr ? ARM::PICLDR : ARM::PICADD)
+ : ARM::tPICADD;
+ MachineInstrBuilder MIB1 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(LO16Opc), DstReg)
+ .addGlobalAddress(GV, MO1.getOffset(), TF | LO16TF)
+ .addImm(LabelId);
+ MachineInstrBuilder MIB2 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(HI16Opc), DstReg)
+ .addReg(DstReg)
+ .addGlobalAddress(GV, MO1.getOffset(), TF | HI16TF)
+ .addImm(LabelId);
+ if (!isPIC) {
+ TransferImpOps(MI, MIB1, MIB2);
+ MI.eraseFromParent();
+ return true;
}
- (*LO16).setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
- (*HI16).setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
- LO16.addImm(Pred).addReg(PredReg);
- HI16.addImm(Pred).addReg(PredReg);
- TransferImpOps(MI, LO16, HI16);
- MI.eraseFromParent();
- break;
- }
- case ARM::VMOVQQ: {
- unsigned DstReg = MI.getOperand(0).getReg();
- bool DstIsDead = MI.getOperand(0).isDead();
- unsigned EvenDst = TRI->getSubReg(DstReg, ARM::qsub_0);
- unsigned OddDst = TRI->getSubReg(DstReg, ARM::qsub_1);
- unsigned SrcReg = MI.getOperand(1).getReg();
- bool SrcIsKill = MI.getOperand(1).isKill();
- unsigned EvenSrc = TRI->getSubReg(SrcReg, ARM::qsub_0);
- unsigned OddSrc = TRI->getSubReg(SrcReg, ARM::qsub_1);
- MachineInstrBuilder Even =
- AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
- TII->get(ARM::VMOVQ))
- .addReg(EvenDst,
- getDefRegState(true) | getDeadRegState(DstIsDead))
- .addReg(EvenSrc, getKillRegState(SrcIsKill)));
- MachineInstrBuilder Odd =
- AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
- TII->get(ARM::VMOVQ))
- .addReg(OddDst,
- getDefRegState(true) | getDeadRegState(DstIsDead))
- .addReg(OddSrc, getKillRegState(SrcIsKill)));
- TransferImpOps(MI, Even, Odd);
+ MachineInstrBuilder MIB3 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(PICAddOpc))
+ .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
+ .addReg(DstReg).addImm(LabelId);
+ if (isARM) {
+ AddDefaultPred(MIB3);
+ if (Opcode == ARM::MOV_ga_pcrel_ldr)
+ MIB2->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ }
+ TransferImpOps(MI, MIB1, MIB3);
MI.eraseFromParent();
- break;
+ return true;
}
- case ARM::VLDMQ: {
+ case ARM::MOVi32imm:
+ case ARM::MOVCCi32imm:
+ case ARM::t2MOVi32imm:
+ case ARM::t2MOVCCi32imm:
+ ExpandMOV32BitImm(MBB, MBBI);
+ return true;
+
+ case ARM::VLDMQIA: {
+ unsigned NewOpc = ARM::VLDMDIA;
MachineInstrBuilder MIB =
- BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::VLDMD));
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
unsigned OpIdx = 0;
+
// Grab the Q register destination.
bool DstIsDead = MI.getOperand(OpIdx).isDead();
unsigned DstReg = MI.getOperand(OpIdx++).getReg();
- // Copy the addrmode4 operands.
- MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the source register.
MIB.addOperand(MI.getOperand(OpIdx++));
+
// Copy the predicate operands.
MIB.addOperand(MI.getOperand(OpIdx++));
MIB.addOperand(MI.getOperand(OpIdx++));
+
// Add the destination operands (D subregs).
unsigned D0 = TRI->getSubReg(DstReg, ARM::dsub_0);
unsigned D1 = TRI->getSubReg(DstReg, ARM::dsub_1);
MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead))
.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
+
// Add an implicit def for the super-register.
MIB.addReg(DstReg, RegState::ImplicitDefine | getDeadRegState(DstIsDead));
TransferImpOps(MI, MIB, MIB);
MI.eraseFromParent();
- break;
+ return true;
}
- case ARM::VSTMQ: {
+ case ARM::VSTMQIA: {
+ unsigned NewOpc = ARM::VSTMDIA;
MachineInstrBuilder MIB =
- BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::VSTMD));
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
unsigned OpIdx = 0;
+
// Grab the Q register source.
bool SrcIsKill = MI.getOperand(OpIdx).isKill();
unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
- // Copy the addrmode4 operands.
- MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the destination register.
MIB.addOperand(MI.getOperand(OpIdx++));
+
// Copy the predicate operands.
MIB.addOperand(MI.getOperand(OpIdx++));
MIB.addOperand(MI.getOperand(OpIdx++));
+
// Add the source operands (D subregs).
unsigned D0 = TRI->getSubReg(SrcReg, ARM::dsub_0);
unsigned D1 = TRI->getSubReg(SrcReg, ARM::dsub_1);
MIB.addReg(D0).addReg(D1);
- if (SrcIsKill)
- // Add an implicit kill for the Q register.
- (*MIB).addRegisterKilled(SrcReg, TRI, true);
+
+ if (SrcIsKill) // Add an implicit kill for the Q register.
+ MIB->addRegisterKilled(SrcReg, TRI, true);
+
TransferImpOps(MI, MIB, MIB);
MI.eraseFromParent();
- break;
+ return true;
+ }
+ case ARM::VDUPfqf:
+ case ARM::VDUPfdf:{
+ unsigned NewOpc = Opcode == ARM::VDUPfqf ? ARM::VDUPLN32q :
+ ARM::VDUPLN32d;
+ MachineInstrBuilder MIB =
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
+ unsigned OpIdx = 0;
+ unsigned SrcReg = MI.getOperand(1).getReg();
+ unsigned Lane = getARMRegisterNumbering(SrcReg) & 1;
+ unsigned DReg = TRI->getMatchingSuperReg(SrcReg,
+ Lane & 1 ? ARM::ssub_1 : ARM::ssub_0,
+ &ARM::DPR_VFP2RegClass);
+ // The lane is [0,1] for the containing DReg superregister.
+ // Copy the dst/src register operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addReg(DReg);
+ ++OpIdx;
+ // Add the lane select operand.
+ MIB.addImm(Lane);
+ // Add the predicate operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ TransferImpOps(MI, MIB, MIB);
+ MI.eraseFromParent();
+ return true;
}
case ARM::VLD1q8Pseudo:
case ARM::VLD3q8Pseudo_UPD:
case ARM::VLD3q16Pseudo_UPD:
case ARM::VLD3q32Pseudo_UPD:
+ case ARM::VLD3q8oddPseudo:
+ case ARM::VLD3q16oddPseudo:
+ case ARM::VLD3q32oddPseudo:
case ARM::VLD3q8oddPseudo_UPD:
case ARM::VLD3q16oddPseudo_UPD:
case ARM::VLD3q32oddPseudo_UPD:
case ARM::VLD4q8Pseudo_UPD:
case ARM::VLD4q16Pseudo_UPD:
case ARM::VLD4q32Pseudo_UPD:
+ case ARM::VLD4q8oddPseudo:
+ case ARM::VLD4q16oddPseudo:
+ case ARM::VLD4q32oddPseudo:
case ARM::VLD4q8oddPseudo_UPD:
case ARM::VLD4q16oddPseudo_UPD:
case ARM::VLD4q32oddPseudo_UPD:
+ case ARM::VLD1DUPq8Pseudo:
+ case ARM::VLD1DUPq16Pseudo:
+ case ARM::VLD1DUPq32Pseudo:
+ case ARM::VLD1DUPq8Pseudo_UPD:
+ case ARM::VLD1DUPq16Pseudo_UPD:
+ case ARM::VLD1DUPq32Pseudo_UPD:
+ case ARM::VLD2DUPd8Pseudo:
+ case ARM::VLD2DUPd16Pseudo:
+ case ARM::VLD2DUPd32Pseudo:
+ case ARM::VLD2DUPd8Pseudo_UPD:
+ case ARM::VLD2DUPd16Pseudo_UPD:
+ case ARM::VLD2DUPd32Pseudo_UPD:
+ case ARM::VLD3DUPd8Pseudo:
+ case ARM::VLD3DUPd16Pseudo:
+ case ARM::VLD3DUPd32Pseudo:
+ case ARM::VLD3DUPd8Pseudo_UPD:
+ case ARM::VLD3DUPd16Pseudo_UPD:
+ case ARM::VLD3DUPd32Pseudo_UPD:
+ case ARM::VLD4DUPd8Pseudo:
+ case ARM::VLD4DUPd16Pseudo:
+ case ARM::VLD4DUPd32Pseudo:
+ case ARM::VLD4DUPd8Pseudo_UPD:
+ case ARM::VLD4DUPd16Pseudo_UPD:
+ case ARM::VLD4DUPd32Pseudo_UPD:
ExpandVLD(MBBI);
- break;
+ return true;
case ARM::VST1q8Pseudo:
case ARM::VST1q16Pseudo:
case ARM::VST3q8Pseudo_UPD:
case ARM::VST3q16Pseudo_UPD:
case ARM::VST3q32Pseudo_UPD:
+ case ARM::VST3q8oddPseudo:
+ case ARM::VST3q16oddPseudo:
+ case ARM::VST3q32oddPseudo:
case ARM::VST3q8oddPseudo_UPD:
case ARM::VST3q16oddPseudo_UPD:
case ARM::VST3q32oddPseudo_UPD:
case ARM::VST4q8Pseudo_UPD:
case ARM::VST4q16Pseudo_UPD:
case ARM::VST4q32Pseudo_UPD:
+ case ARM::VST4q8oddPseudo:
+ case ARM::VST4q16oddPseudo:
+ case ARM::VST4q32oddPseudo:
case ARM::VST4q8oddPseudo_UPD:
case ARM::VST4q16oddPseudo_UPD:
case ARM::VST4q32oddPseudo_UPD:
ExpandVST(MBBI);
- break;
-
+ return true;
+
+ case ARM::VLD1LNq8Pseudo:
+ case ARM::VLD1LNq16Pseudo:
+ case ARM::VLD1LNq32Pseudo:
+ case ARM::VLD1LNq8Pseudo_UPD:
+ case ARM::VLD1LNq16Pseudo_UPD:
+ case ARM::VLD1LNq32Pseudo_UPD:
case ARM::VLD2LNd8Pseudo:
case ARM::VLD2LNd16Pseudo:
case ARM::VLD2LNd32Pseudo:
case ARM::VLD4LNd32Pseudo_UPD:
case ARM::VLD4LNq16Pseudo_UPD:
case ARM::VLD4LNq32Pseudo_UPD:
+ case ARM::VST1LNq8Pseudo:
+ case ARM::VST1LNq16Pseudo:
+ case ARM::VST1LNq32Pseudo:
+ case ARM::VST1LNq8Pseudo_UPD:
+ case ARM::VST1LNq16Pseudo_UPD:
+ case ARM::VST1LNq32Pseudo_UPD:
case ARM::VST2LNd8Pseudo:
case ARM::VST2LNd16Pseudo:
case ARM::VST2LNd32Pseudo:
case ARM::VST4LNq16Pseudo_UPD:
case ARM::VST4LNq32Pseudo_UPD:
ExpandLaneOp(MBBI);
- break;
-
- case ARM::VTBL2Pseudo:
- ExpandVTBL(MBBI, ARM::VTBL2, false, 2); break;
- case ARM::VTBL3Pseudo:
- ExpandVTBL(MBBI, ARM::VTBL3, false, 3); break;
- case ARM::VTBL4Pseudo:
- ExpandVTBL(MBBI, ARM::VTBL4, false, 4); break;
- case ARM::VTBX2Pseudo:
- ExpandVTBL(MBBI, ARM::VTBX2, true, 2); break;
- case ARM::VTBX3Pseudo:
- ExpandVTBL(MBBI, ARM::VTBX3, true, 3); break;
- case ARM::VTBX4Pseudo:
- ExpandVTBL(MBBI, ARM::VTBX4, true, 4); break;
- }
+ return true;
+
+ case ARM::VTBL2Pseudo: ExpandVTBL(MBBI, ARM::VTBL2, false, 2); return true;
+ case ARM::VTBL3Pseudo: ExpandVTBL(MBBI, ARM::VTBL3, false, 3); return true;
+ case ARM::VTBL4Pseudo: ExpandVTBL(MBBI, ARM::VTBL4, false, 4); return true;
+ case ARM::VTBX2Pseudo: ExpandVTBL(MBBI, ARM::VTBX2, true, 2); return true;
+ case ARM::VTBX3Pseudo: ExpandVTBL(MBBI, ARM::VTBX3, true, 3); return true;
+ case ARM::VTBX4Pseudo: ExpandVTBL(MBBI, ARM::VTBX4, true, 4); return true;
+ }
+
+ return false;
+}
- if (ModifiedOp)
- Modified = true;
+bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
+ bool Modified = false;
+
+ MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();
+ while (MBBI != E) {
+ MachineBasicBlock::iterator NMBBI = llvm::next(MBBI);
+ Modified |= ExpandMI(MBB, MBBI);
MBBI = NMBBI;
}
}
bool ARMExpandPseudo::runOnMachineFunction(MachineFunction &MF) {
- TII = MF.getTarget().getInstrInfo();
- TRI = MF.getTarget().getRegisterInfo();
+ const TargetMachine &TM = MF.getTarget();
+ TII = static_cast<const ARMBaseInstrInfo*>(TM.getInstrInfo());
+ TRI = TM.getRegisterInfo();
+ STI = &TM.getSubtarget<ARMSubtarget>();
+ AFI = MF.getInfo<ARMFunctionInfo>();
bool Modified = false;
for (MachineFunction::iterator MFI = MF.begin(), E = MF.end(); MFI != E;
++MFI)
Modified |= ExpandMBB(*MFI);
+ if (VerifyARMPseudo)
+ MF.verify(this, "After expanding ARM pseudo instructions.");
return Modified;
}