-//===-- ARMExpandPseudoInsts.cpp - Expand pseudo instructions -----*- C++ -*-=//
+//===-- ARMExpandPseudoInsts.cpp - Expand pseudo instructions -------------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
//
-// This file contains a pass that expand pseudo instructions into target
+// This file contains a pass that expands pseudo instructions into target
// instructions to allow proper scheduling, if-conversion, and other late
// optimizations. This pass should be run after register allocation but before
-// post- regalloc scheduling pass.
+// the post-regalloc scheduling pass.
//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "arm-pseudo"
#include "ARM.h"
#include "ARMBaseInstrInfo.h"
+#include "ARMBaseRegisterInfo.h"
+#include "ARMConstantPoolValue.h"
+#include "ARMMachineFunctionInfo.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineInstrBundle.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h" // FIXME: for debug only. remove!
+#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
+#define DEBUG_TYPE "arm-pseudo"
+
+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) {}
+ ARMExpandPseudo() : MachineFunctionPass(ID) {}
- const TargetInstrInfo *TII;
+ const ARMBaseInstrInfo *TII;
const TargetRegisterInfo *TRI;
+ const ARMSubtarget *STI;
+ ARMFunctionInfo *AFI;
- virtual bool runOnMachineFunction(MachineFunction &Fn);
+ bool runOnMachineFunction(MachineFunction &Fn) override;
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "ARM pseudo instruction expansion pass";
}
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);
+ 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);
assert(MO.isReg() && MO.getReg());
if (MO.isUse())
- UseMI.addReg(MO.getReg(), getKillRegState(MO.isKill()));
+ UseMI.addOperand(MO);
else
- DefMI.addReg(MO.getReg(),
- getDefRegState(true) | getDeadRegState(MO.isDead()));
+ DefMI.addOperand(MO);
}
}
-bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
- bool Modified = false;
+namespace {
+ // Constants for register spacing in NEON load/store instructions.
+ // For quad-register load-lane and store-lane pseudo instructors, the
+ // spacing is initially assumed to be EvenDblSpc, and that is changed to
+ // OddDblSpc depending on the lane number operand.
+ enum NEONRegSpacing {
+ SingleSpc,
+ EvenDblSpc,
+ OddDblSpc
+ };
- MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();
- while (MBBI != E) {
- MachineInstr &MI = *MBBI;
- MachineBasicBlock::iterator NMBBI = llvm::next(MBBI);
+ // Entries for NEON load/store information table. The table is sorted by
+ // PseudoOpc for fast binary-search lookups.
+ struct NEONLdStTableEntry {
+ uint16_t PseudoOpc;
+ uint16_t RealOpc;
+ bool IsLoad;
+ bool isUpdating;
+ bool hasWritebackOperand;
+ uint8_t RegSpacing; // One of type NEONRegSpacing
+ uint8_t NumRegs; // D registers loaded or stored
+ uint8_t RegElts; // elements per D register; used for lane ops
+ // FIXME: Temporary flag to denote whether the real instruction takes
+ // a single register (like the encoding) or all of the registers in
+ // the list (like the asm syntax and the isel DAG). When all definitions
+ // are converted to take only the single encoded register, this will
+ // go away.
+ bool copyAllListRegs;
+
+ // Comparison methods for binary search of the table.
+ bool operator<(const NEONLdStTableEntry &TE) const {
+ return PseudoOpc < TE.PseudoOpc;
+ }
+ friend bool operator<(const NEONLdStTableEntry &TE, unsigned PseudoOpc) {
+ return TE.PseudoOpc < PseudoOpc;
+ }
+ friend bool LLVM_ATTRIBUTE_UNUSED operator<(unsigned PseudoOpc,
+ const NEONLdStTableEntry &TE) {
+ return PseudoOpc < TE.PseudoOpc;
+ }
+ };
+}
+
+static const NEONLdStTableEntry NEONLdStTable[] = {
+{ ARM::VLD1LNq16Pseudo, ARM::VLD1LNd16, true, false, false, EvenDblSpc, 1, 4 ,true},
+{ ARM::VLD1LNq16Pseudo_UPD, ARM::VLD1LNd16_UPD, true, true, true, EvenDblSpc, 1, 4 ,true},
+{ ARM::VLD1LNq32Pseudo, ARM::VLD1LNd32, true, false, false, EvenDblSpc, 1, 2 ,true},
+{ ARM::VLD1LNq32Pseudo_UPD, ARM::VLD1LNd32_UPD, true, true, true, EvenDblSpc, 1, 2 ,true},
+{ ARM::VLD1LNq8Pseudo, ARM::VLD1LNd8, true, false, false, EvenDblSpc, 1, 8 ,true},
+{ ARM::VLD1LNq8Pseudo_UPD, ARM::VLD1LNd8_UPD, true, true, true, EvenDblSpc, 1, 8 ,true},
+
+{ ARM::VLD1d64QPseudo, ARM::VLD1d64Q, true, false, false, SingleSpc, 4, 1 ,false},
+{ ARM::VLD1d64QPseudoWB_fixed, ARM::VLD1d64Qwb_fixed, true, true, false, SingleSpc, 4, 1 ,false},
+{ ARM::VLD1d64TPseudo, ARM::VLD1d64T, true, false, false, SingleSpc, 3, 1 ,false},
+{ ARM::VLD1d64TPseudoWB_fixed, ARM::VLD1d64Twb_fixed, true, true, false, SingleSpc, 3, 1 ,false},
+
+{ ARM::VLD2LNd16Pseudo, ARM::VLD2LNd16, true, false, false, SingleSpc, 2, 4 ,true},
+{ ARM::VLD2LNd16Pseudo_UPD, ARM::VLD2LNd16_UPD, true, true, true, SingleSpc, 2, 4 ,true},
+{ ARM::VLD2LNd32Pseudo, ARM::VLD2LNd32, true, false, false, SingleSpc, 2, 2 ,true},
+{ ARM::VLD2LNd32Pseudo_UPD, ARM::VLD2LNd32_UPD, true, true, true, SingleSpc, 2, 2 ,true},
+{ ARM::VLD2LNd8Pseudo, ARM::VLD2LNd8, true, false, false, SingleSpc, 2, 8 ,true},
+{ ARM::VLD2LNd8Pseudo_UPD, ARM::VLD2LNd8_UPD, true, true, true, SingleSpc, 2, 8 ,true},
+{ ARM::VLD2LNq16Pseudo, ARM::VLD2LNq16, true, false, false, EvenDblSpc, 2, 4 ,true},
+{ ARM::VLD2LNq16Pseudo_UPD, ARM::VLD2LNq16_UPD, true, true, true, EvenDblSpc, 2, 4 ,true},
+{ ARM::VLD2LNq32Pseudo, ARM::VLD2LNq32, true, false, false, EvenDblSpc, 2, 2 ,true},
+{ ARM::VLD2LNq32Pseudo_UPD, ARM::VLD2LNq32_UPD, true, true, true, EvenDblSpc, 2, 2 ,true},
+
+{ ARM::VLD2q16Pseudo, ARM::VLD2q16, true, false, false, SingleSpc, 4, 4 ,false},
+{ ARM::VLD2q16PseudoWB_fixed, ARM::VLD2q16wb_fixed, true, true, false, SingleSpc, 4, 4 ,false},
+{ ARM::VLD2q16PseudoWB_register, ARM::VLD2q16wb_register, true, true, true, SingleSpc, 4, 4 ,false},
+{ ARM::VLD2q32Pseudo, ARM::VLD2q32, true, false, false, SingleSpc, 4, 2 ,false},
+{ ARM::VLD2q32PseudoWB_fixed, ARM::VLD2q32wb_fixed, true, true, false, SingleSpc, 4, 2 ,false},
+{ ARM::VLD2q32PseudoWB_register, ARM::VLD2q32wb_register, true, true, true, SingleSpc, 4, 2 ,false},
+{ ARM::VLD2q8Pseudo, ARM::VLD2q8, true, false, false, SingleSpc, 4, 8 ,false},
+{ ARM::VLD2q8PseudoWB_fixed, ARM::VLD2q8wb_fixed, true, true, false, SingleSpc, 4, 8 ,false},
+{ ARM::VLD2q8PseudoWB_register, ARM::VLD2q8wb_register, true, true, true, SingleSpc, 4, 8 ,false},
+
+{ ARM::VLD3DUPd16Pseudo, ARM::VLD3DUPd16, true, false, false, SingleSpc, 3, 4,true},
+{ ARM::VLD3DUPd16Pseudo_UPD, ARM::VLD3DUPd16_UPD, true, true, true, SingleSpc, 3, 4,true},
+{ ARM::VLD3DUPd32Pseudo, ARM::VLD3DUPd32, true, false, false, SingleSpc, 3, 2,true},
+{ ARM::VLD3DUPd32Pseudo_UPD, ARM::VLD3DUPd32_UPD, true, true, true, SingleSpc, 3, 2,true},
+{ ARM::VLD3DUPd8Pseudo, ARM::VLD3DUPd8, true, false, false, SingleSpc, 3, 8,true},
+{ ARM::VLD3DUPd8Pseudo_UPD, ARM::VLD3DUPd8_UPD, true, true, true, SingleSpc, 3, 8,true},
+
+{ ARM::VLD3LNd16Pseudo, ARM::VLD3LNd16, true, false, false, SingleSpc, 3, 4 ,true},
+{ ARM::VLD3LNd16Pseudo_UPD, ARM::VLD3LNd16_UPD, true, true, true, SingleSpc, 3, 4 ,true},
+{ ARM::VLD3LNd32Pseudo, ARM::VLD3LNd32, true, false, false, SingleSpc, 3, 2 ,true},
+{ ARM::VLD3LNd32Pseudo_UPD, ARM::VLD3LNd32_UPD, true, true, true, SingleSpc, 3, 2 ,true},
+{ ARM::VLD3LNd8Pseudo, ARM::VLD3LNd8, true, false, false, SingleSpc, 3, 8 ,true},
+{ ARM::VLD3LNd8Pseudo_UPD, ARM::VLD3LNd8_UPD, true, true, true, SingleSpc, 3, 8 ,true},
+{ ARM::VLD3LNq16Pseudo, ARM::VLD3LNq16, true, false, false, EvenDblSpc, 3, 4 ,true},
+{ ARM::VLD3LNq16Pseudo_UPD, ARM::VLD3LNq16_UPD, true, true, true, EvenDblSpc, 3, 4 ,true},
+{ ARM::VLD3LNq32Pseudo, ARM::VLD3LNq32, true, false, false, EvenDblSpc, 3, 2 ,true},
+{ ARM::VLD3LNq32Pseudo_UPD, ARM::VLD3LNq32_UPD, true, true, true, EvenDblSpc, 3, 2 ,true},
+
+{ ARM::VLD3d16Pseudo, ARM::VLD3d16, true, false, false, SingleSpc, 3, 4 ,true},
+{ ARM::VLD3d16Pseudo_UPD, ARM::VLD3d16_UPD, true, true, true, SingleSpc, 3, 4 ,true},
+{ ARM::VLD3d32Pseudo, ARM::VLD3d32, true, false, false, SingleSpc, 3, 2 ,true},
+{ ARM::VLD3d32Pseudo_UPD, ARM::VLD3d32_UPD, true, true, true, SingleSpc, 3, 2 ,true},
+{ ARM::VLD3d8Pseudo, ARM::VLD3d8, true, false, false, SingleSpc, 3, 8 ,true},
+{ ARM::VLD3d8Pseudo_UPD, ARM::VLD3d8_UPD, true, true, true, SingleSpc, 3, 8 ,true},
+
+{ ARM::VLD3q16Pseudo_UPD, ARM::VLD3q16_UPD, true, true, true, EvenDblSpc, 3, 4 ,true},
+{ ARM::VLD3q16oddPseudo, ARM::VLD3q16, true, false, false, OddDblSpc, 3, 4 ,true},
+{ ARM::VLD3q16oddPseudo_UPD, ARM::VLD3q16_UPD, true, true, true, OddDblSpc, 3, 4 ,true},
+{ ARM::VLD3q32Pseudo_UPD, ARM::VLD3q32_UPD, true, true, true, EvenDblSpc, 3, 2 ,true},
+{ ARM::VLD3q32oddPseudo, ARM::VLD3q32, true, false, false, OddDblSpc, 3, 2 ,true},
+{ ARM::VLD3q32oddPseudo_UPD, ARM::VLD3q32_UPD, true, true, true, OddDblSpc, 3, 2 ,true},
+{ ARM::VLD3q8Pseudo_UPD, ARM::VLD3q8_UPD, true, true, true, EvenDblSpc, 3, 8 ,true},
+{ ARM::VLD3q8oddPseudo, ARM::VLD3q8, true, false, false, OddDblSpc, 3, 8 ,true},
+{ ARM::VLD3q8oddPseudo_UPD, ARM::VLD3q8_UPD, true, true, true, OddDblSpc, 3, 8 ,true},
+
+{ ARM::VLD4DUPd16Pseudo, ARM::VLD4DUPd16, true, false, false, SingleSpc, 4, 4,true},
+{ ARM::VLD4DUPd16Pseudo_UPD, ARM::VLD4DUPd16_UPD, true, true, true, SingleSpc, 4, 4,true},
+{ ARM::VLD4DUPd32Pseudo, ARM::VLD4DUPd32, true, false, false, SingleSpc, 4, 2,true},
+{ ARM::VLD4DUPd32Pseudo_UPD, ARM::VLD4DUPd32_UPD, true, true, true, SingleSpc, 4, 2,true},
+{ ARM::VLD4DUPd8Pseudo, ARM::VLD4DUPd8, true, false, false, SingleSpc, 4, 8,true},
+{ ARM::VLD4DUPd8Pseudo_UPD, ARM::VLD4DUPd8_UPD, true, true, true, SingleSpc, 4, 8,true},
+
+{ ARM::VLD4LNd16Pseudo, ARM::VLD4LNd16, true, false, false, SingleSpc, 4, 4 ,true},
+{ ARM::VLD4LNd16Pseudo_UPD, ARM::VLD4LNd16_UPD, true, true, true, SingleSpc, 4, 4 ,true},
+{ ARM::VLD4LNd32Pseudo, ARM::VLD4LNd32, true, false, false, SingleSpc, 4, 2 ,true},
+{ ARM::VLD4LNd32Pseudo_UPD, ARM::VLD4LNd32_UPD, true, true, true, SingleSpc, 4, 2 ,true},
+{ ARM::VLD4LNd8Pseudo, ARM::VLD4LNd8, true, false, false, SingleSpc, 4, 8 ,true},
+{ ARM::VLD4LNd8Pseudo_UPD, ARM::VLD4LNd8_UPD, true, true, true, SingleSpc, 4, 8 ,true},
+{ ARM::VLD4LNq16Pseudo, ARM::VLD4LNq16, true, false, false, EvenDblSpc, 4, 4 ,true},
+{ ARM::VLD4LNq16Pseudo_UPD, ARM::VLD4LNq16_UPD, true, true, true, EvenDblSpc, 4, 4 ,true},
+{ ARM::VLD4LNq32Pseudo, ARM::VLD4LNq32, true, false, false, EvenDblSpc, 4, 2 ,true},
+{ ARM::VLD4LNq32Pseudo_UPD, ARM::VLD4LNq32_UPD, true, true, true, EvenDblSpc, 4, 2 ,true},
+
+{ ARM::VLD4d16Pseudo, ARM::VLD4d16, true, false, false, SingleSpc, 4, 4 ,true},
+{ ARM::VLD4d16Pseudo_UPD, ARM::VLD4d16_UPD, true, true, true, SingleSpc, 4, 4 ,true},
+{ ARM::VLD4d32Pseudo, ARM::VLD4d32, true, false, false, SingleSpc, 4, 2 ,true},
+{ ARM::VLD4d32Pseudo_UPD, ARM::VLD4d32_UPD, true, true, true, SingleSpc, 4, 2 ,true},
+{ ARM::VLD4d8Pseudo, ARM::VLD4d8, true, false, false, SingleSpc, 4, 8 ,true},
+{ ARM::VLD4d8Pseudo_UPD, ARM::VLD4d8_UPD, true, true, true, SingleSpc, 4, 8 ,true},
+
+{ ARM::VLD4q16Pseudo_UPD, ARM::VLD4q16_UPD, true, true, true, EvenDblSpc, 4, 4 ,true},
+{ ARM::VLD4q16oddPseudo, ARM::VLD4q16, true, false, false, OddDblSpc, 4, 4 ,true},
+{ ARM::VLD4q16oddPseudo_UPD, ARM::VLD4q16_UPD, true, true, true, OddDblSpc, 4, 4 ,true},
+{ ARM::VLD4q32Pseudo_UPD, ARM::VLD4q32_UPD, true, true, true, EvenDblSpc, 4, 2 ,true},
+{ ARM::VLD4q32oddPseudo, ARM::VLD4q32, true, false, false, OddDblSpc, 4, 2 ,true},
+{ ARM::VLD4q32oddPseudo_UPD, ARM::VLD4q32_UPD, true, true, true, OddDblSpc, 4, 2 ,true},
+{ ARM::VLD4q8Pseudo_UPD, ARM::VLD4q8_UPD, true, true, true, EvenDblSpc, 4, 8 ,true},
+{ ARM::VLD4q8oddPseudo, ARM::VLD4q8, true, false, false, OddDblSpc, 4, 8 ,true},
+{ ARM::VLD4q8oddPseudo_UPD, ARM::VLD4q8_UPD, true, true, true, OddDblSpc, 4, 8 ,true},
+
+{ ARM::VST1LNq16Pseudo, ARM::VST1LNd16, false, false, false, EvenDblSpc, 1, 4 ,true},
+{ ARM::VST1LNq16Pseudo_UPD, ARM::VST1LNd16_UPD, false, true, true, EvenDblSpc, 1, 4 ,true},
+{ ARM::VST1LNq32Pseudo, ARM::VST1LNd32, false, false, false, EvenDblSpc, 1, 2 ,true},
+{ ARM::VST1LNq32Pseudo_UPD, ARM::VST1LNd32_UPD, false, true, true, EvenDblSpc, 1, 2 ,true},
+{ ARM::VST1LNq8Pseudo, ARM::VST1LNd8, false, false, false, EvenDblSpc, 1, 8 ,true},
+{ ARM::VST1LNq8Pseudo_UPD, ARM::VST1LNd8_UPD, false, true, true, EvenDblSpc, 1, 8 ,true},
+
+{ ARM::VST1d64QPseudo, ARM::VST1d64Q, false, false, false, SingleSpc, 4, 1 ,false},
+{ ARM::VST1d64QPseudoWB_fixed, ARM::VST1d64Qwb_fixed, false, true, false, SingleSpc, 4, 1 ,false},
+{ ARM::VST1d64QPseudoWB_register, ARM::VST1d64Qwb_register, false, true, true, SingleSpc, 4, 1 ,false},
+{ ARM::VST1d64TPseudo, ARM::VST1d64T, false, false, false, SingleSpc, 3, 1 ,false},
+{ ARM::VST1d64TPseudoWB_fixed, ARM::VST1d64Twb_fixed, false, true, false, SingleSpc, 3, 1 ,false},
+{ ARM::VST1d64TPseudoWB_register, ARM::VST1d64Twb_register, false, true, true, SingleSpc, 3, 1 ,false},
+
+{ ARM::VST2LNd16Pseudo, ARM::VST2LNd16, false, false, false, SingleSpc, 2, 4 ,true},
+{ ARM::VST2LNd16Pseudo_UPD, ARM::VST2LNd16_UPD, false, true, true, SingleSpc, 2, 4 ,true},
+{ ARM::VST2LNd32Pseudo, ARM::VST2LNd32, false, false, false, SingleSpc, 2, 2 ,true},
+{ ARM::VST2LNd32Pseudo_UPD, ARM::VST2LNd32_UPD, false, true, true, SingleSpc, 2, 2 ,true},
+{ ARM::VST2LNd8Pseudo, ARM::VST2LNd8, false, false, false, SingleSpc, 2, 8 ,true},
+{ ARM::VST2LNd8Pseudo_UPD, ARM::VST2LNd8_UPD, false, true, true, SingleSpc, 2, 8 ,true},
+{ ARM::VST2LNq16Pseudo, ARM::VST2LNq16, false, false, false, EvenDblSpc, 2, 4,true},
+{ ARM::VST2LNq16Pseudo_UPD, ARM::VST2LNq16_UPD, false, true, true, EvenDblSpc, 2, 4,true},
+{ ARM::VST2LNq32Pseudo, ARM::VST2LNq32, false, false, false, EvenDblSpc, 2, 2,true},
+{ ARM::VST2LNq32Pseudo_UPD, ARM::VST2LNq32_UPD, false, true, true, EvenDblSpc, 2, 2,true},
+
+{ ARM::VST2q16Pseudo, ARM::VST2q16, false, false, false, SingleSpc, 4, 4 ,false},
+{ ARM::VST2q16PseudoWB_fixed, ARM::VST2q16wb_fixed, false, true, false, SingleSpc, 4, 4 ,false},
+{ ARM::VST2q16PseudoWB_register, ARM::VST2q16wb_register, false, true, true, SingleSpc, 4, 4 ,false},
+{ ARM::VST2q32Pseudo, ARM::VST2q32, false, false, false, SingleSpc, 4, 2 ,false},
+{ ARM::VST2q32PseudoWB_fixed, ARM::VST2q32wb_fixed, false, true, false, SingleSpc, 4, 2 ,false},
+{ ARM::VST2q32PseudoWB_register, ARM::VST2q32wb_register, false, true, true, SingleSpc, 4, 2 ,false},
+{ ARM::VST2q8Pseudo, ARM::VST2q8, false, false, false, SingleSpc, 4, 8 ,false},
+{ ARM::VST2q8PseudoWB_fixed, ARM::VST2q8wb_fixed, false, true, false, SingleSpc, 4, 8 ,false},
+{ ARM::VST2q8PseudoWB_register, ARM::VST2q8wb_register, false, true, true, SingleSpc, 4, 8 ,false},
+
+{ ARM::VST3LNd16Pseudo, ARM::VST3LNd16, false, false, false, SingleSpc, 3, 4 ,true},
+{ ARM::VST3LNd16Pseudo_UPD, ARM::VST3LNd16_UPD, false, true, true, SingleSpc, 3, 4 ,true},
+{ ARM::VST3LNd32Pseudo, ARM::VST3LNd32, false, false, false, SingleSpc, 3, 2 ,true},
+{ ARM::VST3LNd32Pseudo_UPD, ARM::VST3LNd32_UPD, false, true, true, SingleSpc, 3, 2 ,true},
+{ ARM::VST3LNd8Pseudo, ARM::VST3LNd8, false, false, false, SingleSpc, 3, 8 ,true},
+{ ARM::VST3LNd8Pseudo_UPD, ARM::VST3LNd8_UPD, false, true, true, SingleSpc, 3, 8 ,true},
+{ ARM::VST3LNq16Pseudo, ARM::VST3LNq16, false, false, false, EvenDblSpc, 3, 4,true},
+{ ARM::VST3LNq16Pseudo_UPD, ARM::VST3LNq16_UPD, false, true, true, EvenDblSpc, 3, 4,true},
+{ ARM::VST3LNq32Pseudo, ARM::VST3LNq32, false, false, false, EvenDblSpc, 3, 2,true},
+{ ARM::VST3LNq32Pseudo_UPD, ARM::VST3LNq32_UPD, false, true, true, EvenDblSpc, 3, 2,true},
+
+{ ARM::VST3d16Pseudo, ARM::VST3d16, false, false, false, SingleSpc, 3, 4 ,true},
+{ ARM::VST3d16Pseudo_UPD, ARM::VST3d16_UPD, false, true, true, SingleSpc, 3, 4 ,true},
+{ ARM::VST3d32Pseudo, ARM::VST3d32, false, false, false, SingleSpc, 3, 2 ,true},
+{ ARM::VST3d32Pseudo_UPD, ARM::VST3d32_UPD, false, true, true, SingleSpc, 3, 2 ,true},
+{ ARM::VST3d8Pseudo, ARM::VST3d8, false, false, false, SingleSpc, 3, 8 ,true},
+{ ARM::VST3d8Pseudo_UPD, ARM::VST3d8_UPD, false, true, true, SingleSpc, 3, 8 ,true},
+
+{ ARM::VST3q16Pseudo_UPD, ARM::VST3q16_UPD, false, true, true, EvenDblSpc, 3, 4 ,true},
+{ ARM::VST3q16oddPseudo, ARM::VST3q16, false, false, false, OddDblSpc, 3, 4 ,true},
+{ ARM::VST3q16oddPseudo_UPD, ARM::VST3q16_UPD, false, true, true, OddDblSpc, 3, 4 ,true},
+{ ARM::VST3q32Pseudo_UPD, ARM::VST3q32_UPD, false, true, true, EvenDblSpc, 3, 2 ,true},
+{ ARM::VST3q32oddPseudo, ARM::VST3q32, false, false, false, OddDblSpc, 3, 2 ,true},
+{ ARM::VST3q32oddPseudo_UPD, ARM::VST3q32_UPD, false, true, true, OddDblSpc, 3, 2 ,true},
+{ ARM::VST3q8Pseudo_UPD, ARM::VST3q8_UPD, false, true, true, EvenDblSpc, 3, 8 ,true},
+{ ARM::VST3q8oddPseudo, ARM::VST3q8, false, false, false, OddDblSpc, 3, 8 ,true},
+{ ARM::VST3q8oddPseudo_UPD, ARM::VST3q8_UPD, false, true, true, OddDblSpc, 3, 8 ,true},
+
+{ ARM::VST4LNd16Pseudo, ARM::VST4LNd16, false, false, false, SingleSpc, 4, 4 ,true},
+{ ARM::VST4LNd16Pseudo_UPD, ARM::VST4LNd16_UPD, false, true, true, SingleSpc, 4, 4 ,true},
+{ ARM::VST4LNd32Pseudo, ARM::VST4LNd32, false, false, false, SingleSpc, 4, 2 ,true},
+{ ARM::VST4LNd32Pseudo_UPD, ARM::VST4LNd32_UPD, false, true, true, SingleSpc, 4, 2 ,true},
+{ ARM::VST4LNd8Pseudo, ARM::VST4LNd8, false, false, false, SingleSpc, 4, 8 ,true},
+{ ARM::VST4LNd8Pseudo_UPD, ARM::VST4LNd8_UPD, false, true, true, SingleSpc, 4, 8 ,true},
+{ ARM::VST4LNq16Pseudo, ARM::VST4LNq16, false, false, false, EvenDblSpc, 4, 4,true},
+{ ARM::VST4LNq16Pseudo_UPD, ARM::VST4LNq16_UPD, false, true, true, EvenDblSpc, 4, 4,true},
+{ ARM::VST4LNq32Pseudo, ARM::VST4LNq32, false, false, false, EvenDblSpc, 4, 2,true},
+{ ARM::VST4LNq32Pseudo_UPD, ARM::VST4LNq32_UPD, false, true, true, EvenDblSpc, 4, 2,true},
+
+{ ARM::VST4d16Pseudo, ARM::VST4d16, false, false, false, SingleSpc, 4, 4 ,true},
+{ ARM::VST4d16Pseudo_UPD, ARM::VST4d16_UPD, false, true, true, SingleSpc, 4, 4 ,true},
+{ ARM::VST4d32Pseudo, ARM::VST4d32, false, false, false, SingleSpc, 4, 2 ,true},
+{ ARM::VST4d32Pseudo_UPD, ARM::VST4d32_UPD, false, true, true, SingleSpc, 4, 2 ,true},
+{ ARM::VST4d8Pseudo, ARM::VST4d8, false, false, false, SingleSpc, 4, 8 ,true},
+{ ARM::VST4d8Pseudo_UPD, ARM::VST4d8_UPD, false, true, true, SingleSpc, 4, 8 ,true},
+
+{ ARM::VST4q16Pseudo_UPD, ARM::VST4q16_UPD, false, true, true, EvenDblSpc, 4, 4 ,true},
+{ ARM::VST4q16oddPseudo, ARM::VST4q16, false, false, false, OddDblSpc, 4, 4 ,true},
+{ ARM::VST4q16oddPseudo_UPD, ARM::VST4q16_UPD, false, true, true, OddDblSpc, 4, 4 ,true},
+{ ARM::VST4q32Pseudo_UPD, ARM::VST4q32_UPD, false, true, true, EvenDblSpc, 4, 2 ,true},
+{ ARM::VST4q32oddPseudo, ARM::VST4q32, false, false, false, OddDblSpc, 4, 2 ,true},
+{ ARM::VST4q32oddPseudo_UPD, ARM::VST4q32_UPD, false, true, true, OddDblSpc, 4, 2 ,true},
+{ ARM::VST4q8Pseudo_UPD, ARM::VST4q8_UPD, false, true, true, EvenDblSpc, 4, 8 ,true},
+{ ARM::VST4q8oddPseudo, ARM::VST4q8, false, false, false, OddDblSpc, 4, 8 ,true},
+{ ARM::VST4q8oddPseudo_UPD, ARM::VST4q8_UPD, false, true, true, OddDblSpc, 4, 8 ,true}
+};
+
+/// LookupNEONLdSt - Search the NEONLdStTable for information about a NEON
+/// load or store pseudo instruction.
+static const NEONLdStTableEntry *LookupNEONLdSt(unsigned Opcode) {
+ const unsigned NumEntries = array_lengthof(NEONLdStTable);
+
+#ifndef NDEBUG
+ // Make sure the table is sorted.
+ static bool TableChecked = false;
+ if (!TableChecked) {
+ for (unsigned i = 0; i != NumEntries-1; ++i)
+ assert(NEONLdStTable[i] < NEONLdStTable[i+1] &&
+ "NEONLdStTable is not sorted!");
+ TableChecked = true;
+ }
+#endif
+
+ const NEONLdStTableEntry *I =
+ std::lower_bound(NEONLdStTable, NEONLdStTable + NumEntries, Opcode);
+ if (I != NEONLdStTable + NumEntries && I->PseudoOpc == Opcode)
+ return I;
+ return nullptr;
+}
+
+/// GetDSubRegs - Get 4 D subregisters of a Q, QQ, or QQQQ register,
+/// corresponding to the specified register spacing. Not all of the results
+/// are necessarily valid, e.g., a Q register only has 2 D subregisters.
+static void GetDSubRegs(unsigned Reg, NEONRegSpacing RegSpc,
+ const TargetRegisterInfo *TRI, unsigned &D0,
+ unsigned &D1, unsigned &D2, unsigned &D3) {
+ if (RegSpc == SingleSpc) {
+ D0 = TRI->getSubReg(Reg, ARM::dsub_0);
+ D1 = TRI->getSubReg(Reg, ARM::dsub_1);
+ D2 = TRI->getSubReg(Reg, ARM::dsub_2);
+ D3 = TRI->getSubReg(Reg, ARM::dsub_3);
+ } else if (RegSpc == EvenDblSpc) {
+ D0 = TRI->getSubReg(Reg, ARM::dsub_0);
+ D1 = TRI->getSubReg(Reg, ARM::dsub_2);
+ D2 = TRI->getSubReg(Reg, ARM::dsub_4);
+ D3 = TRI->getSubReg(Reg, ARM::dsub_6);
+ } else {
+ assert(RegSpc == OddDblSpc && "unknown register spacing");
+ D0 = TRI->getSubReg(Reg, ARM::dsub_1);
+ D1 = TRI->getSubReg(Reg, ARM::dsub_3);
+ D2 = TRI->getSubReg(Reg, ARM::dsub_5);
+ D3 = TRI->getSubReg(Reg, ARM::dsub_7);
+ }
+}
+
+/// ExpandVLD - Translate VLD pseudo instructions with Q, QQ or QQQQ register
+/// operands to real VLD instructions with D register operands.
+void ARMExpandPseudo::ExpandVLD(MachineBasicBlock::iterator &MBBI) {
+ MachineInstr &MI = *MBBI;
+ MachineBasicBlock &MBB = *MI.getParent();
+
+ const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
+ assert(TableEntry && TableEntry->IsLoad && "NEONLdStTable lookup failed");
+ NEONRegSpacing RegSpc = (NEONRegSpacing)TableEntry->RegSpacing;
+ unsigned NumRegs = TableEntry->NumRegs;
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(TableEntry->RealOpc));
+ unsigned OpIdx = 0;
+
+ bool DstIsDead = MI.getOperand(OpIdx).isDead();
+ unsigned DstReg = MI.getOperand(OpIdx++).getReg();
+ unsigned D0, D1, D2, D3;
+ GetDSubRegs(DstReg, RegSpc, TRI, D0, D1, D2, D3);
+ MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 1 && TableEntry->copyAllListRegs)
+ MIB.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 2 && TableEntry->copyAllListRegs)
+ MIB.addReg(D2, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 3 && TableEntry->copyAllListRegs)
+ MIB.addReg(D3, RegState::Define | getDeadRegState(DstIsDead));
+
+ if (TableEntry->isUpdating)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the addrmode6 operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ // Copy the am6offset operand.
+ if (TableEntry->hasWritebackOperand)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // For an instruction writing double-spaced subregs, the pseudo instruction
+ // has an extra operand that is a use of the super-register. Record the
+ // operand index and skip over it.
+ unsigned SrcOpIdx = 0;
+ if (RegSpc == EvenDblSpc || RegSpc == OddDblSpc)
+ SrcOpIdx = OpIdx++;
+
+ // Copy the predicate operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the super-register source operand used for double-spaced subregs over
+ // to the new instruction as an implicit operand.
+ if (SrcOpIdx != 0) {
+ MachineOperand MO = MI.getOperand(SrcOpIdx);
+ MO.setImplicit(true);
+ MIB.addOperand(MO);
+ }
+ // 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();
+}
+
+/// ExpandVST - Translate VST pseudo instructions with Q, QQ or QQQQ register
+/// operands to real VST instructions with D register operands.
+void ARMExpandPseudo::ExpandVST(MachineBasicBlock::iterator &MBBI) {
+ MachineInstr &MI = *MBBI;
+ MachineBasicBlock &MBB = *MI.getParent();
+
+ const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
+ assert(TableEntry && !TableEntry->IsLoad && "NEONLdStTable lookup failed");
+ NEONRegSpacing RegSpc = (NEONRegSpacing)TableEntry->RegSpacing;
+ unsigned NumRegs = TableEntry->NumRegs;
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(TableEntry->RealOpc));
+ unsigned OpIdx = 0;
+ if (TableEntry->isUpdating)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the addrmode6 operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ // Copy the am6offset operand.
+ if (TableEntry->hasWritebackOperand)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ bool SrcIsKill = MI.getOperand(OpIdx).isKill();
+ bool SrcIsUndef = MI.getOperand(OpIdx).isUndef();
+ unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
+ unsigned D0, D1, D2, D3;
+ GetDSubRegs(SrcReg, RegSpc, TRI, D0, D1, D2, D3);
+ MIB.addReg(D0, getUndefRegState(SrcIsUndef));
+ if (NumRegs > 1 && TableEntry->copyAllListRegs)
+ MIB.addReg(D1, getUndefRegState(SrcIsUndef));
+ if (NumRegs > 2 && TableEntry->copyAllListRegs)
+ MIB.addReg(D2, getUndefRegState(SrcIsUndef));
+ if (NumRegs > 3 && TableEntry->copyAllListRegs)
+ MIB.addReg(D3, getUndefRegState(SrcIsUndef));
+
+ // Copy the predicate operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ if (SrcIsKill && !SrcIsUndef) // Add an implicit kill for the super-reg.
+ MIB->addRegisterKilled(SrcReg, TRI, true);
+ else if (!SrcIsUndef)
+ MIB.addReg(SrcReg, RegState::Implicit); // Add implicit uses for src reg.
+ TransferImpOps(MI, MIB, MIB);
+
+ // Transfer memoperands.
+ MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+
+ MI.eraseFromParent();
+}
+
+/// ExpandLaneOp - Translate VLD*LN and VST*LN instructions with Q, QQ or QQQQ
+/// register operands to real instructions with D register operands.
+void ARMExpandPseudo::ExpandLaneOp(MachineBasicBlock::iterator &MBBI) {
+ MachineInstr &MI = *MBBI;
+ MachineBasicBlock &MBB = *MI.getParent();
+
+ const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
+ assert(TableEntry && "NEONLdStTable lookup failed");
+ NEONRegSpacing RegSpc = (NEONRegSpacing)TableEntry->RegSpacing;
+ unsigned NumRegs = TableEntry->NumRegs;
+ unsigned RegElts = TableEntry->RegElts;
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get(TableEntry->RealOpc));
+ unsigned OpIdx = 0;
+ // The lane operand is always the 3rd from last operand, before the 2
+ // predicate operands.
+ unsigned Lane = MI.getOperand(MI.getDesc().getNumOperands() - 3).getImm();
+
+ // Adjust the lane and spacing as needed for Q registers.
+ assert(RegSpc != OddDblSpc && "unexpected register spacing for VLD/VST-lane");
+ if (RegSpc == EvenDblSpc && Lane >= RegElts) {
+ RegSpc = OddDblSpc;
+ Lane -= RegElts;
+ }
+ assert(Lane < RegElts && "out of range lane for VLD/VST-lane");
+
+ 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));
+ if (NumRegs > 1)
+ MIB.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 2)
+ MIB.addReg(D2, RegState::Define | getDeadRegState(DstIsDead));
+ if (NumRegs > 3)
+ MIB.addReg(D3, RegState::Define | getDeadRegState(DstIsDead));
+ }
+
+ if (TableEntry->isUpdating)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the addrmode6 operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ // Copy the am6offset operand.
+ if (TableEntry->hasWritebackOperand)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Grab the super-register source.
+ MachineOperand MO = MI.getOperand(OpIdx++);
+ if (!TableEntry->IsLoad)
+ GetDSubRegs(MO.getReg(), RegSpc, TRI, D0, D1, D2, D3);
+
+ // Add the subregs as sources of the new instruction.
+ unsigned SrcFlags = (getUndefRegState(MO.isUndef()) |
+ getKillRegState(MO.isKill()));
+ MIB.addReg(D0, SrcFlags);
+ if (NumRegs > 1)
+ MIB.addReg(D1, SrcFlags);
+ if (NumRegs > 2)
+ MIB.addReg(D2, SrcFlags);
+ if (NumRegs > 3)
+ MIB.addReg(D3, SrcFlags);
+
+ // Add the lane number operand.
+ MIB.addImm(Lane);
+ OpIdx += 1;
+
+ // Copy the predicate operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the super-register source to be an implicit source.
+ MO.setImplicit(true);
+ MIB.addOperand(MO);
+ if (TableEntry->IsLoad)
+ // 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();
+}
+
+/// ExpandVTBL - Translate VTBL and VTBX pseudo instructions with Q or QQ
+/// register operands to real instructions with D register operands.
+void ARMExpandPseudo::ExpandVTBL(MachineBasicBlock::iterator &MBBI,
+ unsigned Opc, bool IsExt) {
+ MachineInstr &MI = *MBBI;
+ MachineBasicBlock &MBB = *MI.getParent();
+
+ MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc));
+ unsigned OpIdx = 0;
+
+ // Transfer the destination register operand.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ if (IsExt)
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ bool SrcIsKill = MI.getOperand(OpIdx).isKill();
+ unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
+ unsigned D0, D1, D2, D3;
+ GetDSubRegs(SrcReg, SingleSpc, TRI, D0, D1, D2, D3);
+ MIB.addReg(D0);
+
+ // Copy the other source register operand.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Copy the predicate operands.
+ MIB.addOperand(MI.getOperand(OpIdx++));
+ MIB.addOperand(MI.getOperand(OpIdx++));
+
+ // Add an implicit kill and use for the super-reg.
+ MIB.addReg(SrcReg, RegState::Implicit | getKillRegState(SrcIsKill));
+ TransferImpOps(MI, MIB, MIB);
+ MI.eraseFromParent();
+}
+
+static bool IsAnAddressOperand(const MachineOperand &MO) {
+ // This check is overly conservative. Unless we are certain that the machine
+ // operand is not a symbol reference, we return that it is a symbol reference.
+ // This is important as the load pair may not be split up Windows.
+ switch (MO.getType()) {
+ case MachineOperand::MO_Register:
+ case MachineOperand::MO_Immediate:
+ case MachineOperand::MO_CImmediate:
+ case MachineOperand::MO_FPImmediate:
+ return false;
+ case MachineOperand::MO_MachineBasicBlock:
+ return true;
+ case MachineOperand::MO_FrameIndex:
+ return false;
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_TargetIndex:
+ case MachineOperand::MO_JumpTableIndex:
+ case MachineOperand::MO_ExternalSymbol:
+ case MachineOperand::MO_GlobalAddress:
+ case MachineOperand::MO_BlockAddress:
+ return true;
+ case MachineOperand::MO_RegisterMask:
+ case MachineOperand::MO_RegisterLiveOut:
+ return false;
+ case MachineOperand::MO_Metadata:
+ case MachineOperand::MO_MCSymbol:
+ return true;
+ case MachineOperand::MO_CFIIndex:
+ return false;
+ }
+ llvm_unreachable("unhandled machine operand type");
+}
+
+void ARMExpandPseudo::ExpandMOV32BitImm(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator &MBBI) {
+ MachineInstr &MI = *MBBI;
+ unsigned Opcode = MI.getOpcode();
+ unsigned PredReg = 0;
+ ARMCC::CondCodes Pred = 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);
+ bool RequiresBundling = STI->isTargetWindows() && IsAnAddressOperand(MO);
+ MachineInstrBuilder LO16, HI16;
- unsigned Opcode = MI.getOpcode();
- switch (Opcode) {
- default: break;
- case ARM::tLDRpci_pic:
+ if (!STI->hasV6T2Ops() &&
+ (Opcode == ARM::MOVi32imm || Opcode == ARM::MOVCCi32imm)) {
+ // FIXME Windows CE supports older ARM CPUs
+ assert(!STI->isTargetWindows() && "Windows on ARM requires ARMv7+");
+
+ // 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;
+ }
+
+ 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);
+
+ switch (MO.getType()) {
+ case MachineOperand::MO_Immediate: {
+ unsigned Imm = MO.getImm();
+ unsigned Lo16 = Imm & 0xffff;
+ unsigned Hi16 = (Imm >> 16) & 0xffff;
+ LO16 = LO16.addImm(Lo16);
+ HI16 = HI16.addImm(Hi16);
+ break;
+ }
+ case MachineOperand::MO_ExternalSymbol: {
+ const char *ES = MO.getSymbolName();
+ unsigned TF = MO.getTargetFlags();
+ LO16 = LO16.addExternalSymbol(ES, TF | ARMII::MO_LO16);
+ HI16 = HI16.addExternalSymbol(ES, TF | ARMII::MO_HI16);
+ break;
+ }
+ default: {
+ 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);
+ break;
+ }
+ }
+
+ 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);
+
+ if (RequiresBundling)
+ finalizeBundle(MBB, &*LO16, &*MBBI);
+
+ TransferImpOps(MI, LO16, HI16);
+ MI.eraseFromParent();
+}
+
+bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
+ MachineBasicBlock::iterator MBBI) {
+ MachineInstr &MI = *MBBI;
+ unsigned Opcode = MI.getOpcode();
+ switch (Opcode) {
+ default:
+ 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())
+ .addOperand(MI.getOperand(2))
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addOperand(MI.getOperand(4));
+
+ 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())
+ .addOperand(MI.getOperand(2))
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addOperand(MI.getOperand(4))
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MOVCCsi: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsi),
+ (MI.getOperand(1).getReg()))
+ .addOperand(MI.getOperand(2))
+ .addImm(MI.getOperand(3).getImm())
+ .addImm(MI.getOperand(4).getImm()) // 'pred'
+ .addOperand(MI.getOperand(5))
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MOVCCsr: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsr),
+ (MI.getOperand(1).getReg()))
+ .addOperand(MI.getOperand(2))
+ .addOperand(MI.getOperand(3))
+ .addImm(MI.getOperand(4).getImm())
+ .addImm(MI.getOperand(5).getImm()) // 'pred'
+ .addOperand(MI.getOperand(6))
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::t2MOVCCi16:
+ case ARM::MOVCCi16: {
+ unsigned NewOpc = AFI->isThumbFunction() ? ARM::t2MOVi16 : ARM::MOVi16;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc),
+ MI.getOperand(1).getReg())
+ .addImm(MI.getOperand(2).getImm())
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addOperand(MI.getOperand(4));
+ 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'
+ .addOperand(MI.getOperand(4))
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::t2MVNCCi:
+ case ARM::MVNCCi: {
+ unsigned Opc = AFI->isThumbFunction() ? ARM::t2MVNi : ARM::MVNi;
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
+ MI.getOperand(1).getReg())
+ .addImm(MI.getOperand(2).getImm())
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addOperand(MI.getOperand(4))
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::t2MOVCClsl:
+ case ARM::t2MOVCClsr:
+ case ARM::t2MOVCCasr:
+ case ARM::t2MOVCCror: {
+ unsigned NewOpc;
+ switch (Opcode) {
+ case ARM::t2MOVCClsl: NewOpc = ARM::t2LSLri; break;
+ case ARM::t2MOVCClsr: NewOpc = ARM::t2LSRri; break;
+ case ARM::t2MOVCCasr: NewOpc = ARM::t2ASRri; break;
+ case ARM::t2MOVCCror: NewOpc = ARM::t2RORri; break;
+ default: llvm_unreachable("unexpeced conditional move");
+ }
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc),
+ MI.getOperand(1).getReg())
+ .addOperand(MI.getOperand(2))
+ .addImm(MI.getOperand(3).getImm())
+ .addImm(MI.getOperand(4).getImm()) // 'pred'
+ .addOperand(MI.getOperand(5))
+ .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.getSubtarget().getFrameLowering()->hasFP(MF) &&
+ "base pointer without frame pointer?");
+
+ if (AFI->isThumb2Function()) {
+ emitT2RegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
+ FramePtr, -NumBytes, ARMCC::AL, 0, *TII);
+ } else if (AFI->isThumbFunction()) {
+ emitThumbRegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
+ FramePtr, -NumBytes, *TII, RI);
+ } else {
+ 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
+ assert(MaxAlign <= 256 && "The BIC instruction cannot encode "
+ "immediates larger than 256 with all lower "
+ "bits set.");
+ 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 instructions.
+ 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;
+ if (Opcode == ARM::tTPsoft)
+ MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get( ARM::tBL))
+ .addImm((unsigned)ARMCC::AL).addReg(0)
+ .addExternalSymbol("__aeabi_read_tp", 0);
+ else
+ MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+ TII->get( 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)
? ARM::tLDRpci : ARM::t2LDRpci;
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();
- Modified = true;
- break;
+ return true;
}
- case ARM::t2MOVi32imm: {
- unsigned PredReg = 0;
- ARMCC::CondCodes Pred = llvm::getInstrPredicate(&MI, PredReg);
+ case ARM::LDRLIT_ga_abs:
+ case ARM::LDRLIT_ga_pcrel:
+ case ARM::LDRLIT_ga_pcrel_ldr:
+ case ARM::tLDRLIT_ga_abs:
+ case ARM::tLDRLIT_ga_pcrel: {
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(ARM::t2MOVi16),
- DstReg);
- HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(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();
+ bool IsARM =
+ Opcode != ARM::tLDRLIT_ga_pcrel && Opcode != ARM::tLDRLIT_ga_abs;
+ bool IsPIC =
+ Opcode != ARM::LDRLIT_ga_abs && Opcode != ARM::tLDRLIT_ga_abs;
+ unsigned LDRLITOpc = IsARM ? ARM::LDRi12 : ARM::tLDRpci;
+ unsigned PICAddOpc =
+ IsARM
+ ? (Opcode == ARM::LDRLIT_ga_pcrel_ldr ? ARM::PICLDR : ARM::PICADD)
+ : ARM::tPICADD;
+
+ // We need a new const-pool entry to load from.
+ MachineConstantPool *MCP = MBB.getParent()->getConstantPool();
+ unsigned ARMPCLabelIndex = 0;
+ MachineConstantPoolValue *CPV;
+
+ if (IsPIC) {
+ unsigned PCAdj = IsARM ? 8 : 4;
+ ARMPCLabelIndex = AFI->createPICLabelUId();
+ CPV = ARMConstantPoolConstant::Create(GV, ARMPCLabelIndex,
+ ARMCP::CPValue, PCAdj);
+ } else
+ CPV = ARMConstantPoolConstant::Create(GV, ARMCP::no_modifier);
+
+ MachineInstrBuilder MIB =
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(LDRLITOpc), DstReg)
+ .addConstantPoolIndex(MCP->getConstantPoolIndex(CPV, 4));
+ if (IsARM)
+ MIB.addImm(0);
+ AddDefaultPred(MIB);
+
+ if (IsPIC) {
+ MachineInstrBuilder MIB =
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(PICAddOpc))
+ .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
+ .addReg(DstReg)
+ .addImm(ARMPCLabelIndex);
+
+ if (IsARM)
+ AddDefaultPred(MIB);
}
- (*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();
- Modified = true;
- break;
+ return true;
}
-
- case ARM::VMOVQQ: {
+ case ARM::MOV_ga_pcrel:
+ case ARM::MOV_ga_pcrel_ldr:
+ 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();
- 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);
+ const MachineOperand &MO1 = MI.getOperand(1);
+ const GlobalValue *GV = MO1.getGlobal();
+ unsigned TF = MO1.getTargetFlags();
+ bool isARM = Opcode != ARM::t2MOV_ga_pcrel;
+ unsigned LO16Opc = isARM ? ARM::MOVi16_ga_pcrel : ARM::t2MOVi16_ga_pcrel;
+ unsigned HI16Opc = isARM ? ARM::MOVTi16_ga_pcrel :ARM::t2MOVTi16_ga_pcrel;
+ unsigned LO16TF = TF | ARMII::MO_LO16;
+ unsigned HI16TF = TF | ARMII::MO_HI16;
+ 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);
+
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(HI16Opc), DstReg)
+ .addReg(DstReg)
+ .addGlobalAddress(GV, MO1.getOffset(), TF | HI16TF)
+ .addImm(LabelId);
+
+ 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)
+ MIB3->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ }
+ TransferImpOps(MI, MIB1, MIB3);
+ MI.eraseFromParent();
+ return true;
+ }
+
+ case ARM::MOVi32imm:
+ case ARM::MOVCCi32imm:
+ case ARM::t2MOVi32imm:
+ case ARM::t2MOVCCi32imm:
+ ExpandMOV32BitImm(MBB, MBBI);
+ return true;
+
+ case ARM::SUBS_PC_LR: {
+ MachineInstrBuilder MIB =
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::SUBri), ARM::PC)
+ .addReg(ARM::LR)
+ .addOperand(MI.getOperand(0))
+ .addOperand(MI.getOperand(1))
+ .addOperand(MI.getOperand(2))
+ .addReg(ARM::CPSR, RegState::Undef);
+ TransferImpOps(MI, MIB, MIB);
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::VLDMQIA: {
+ unsigned NewOpc = ARM::VLDMDIA;
+ MachineInstrBuilder MIB =
+ 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 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);
+ MIB.setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
MI.eraseFromParent();
- Modified = true;
+ return true;
}
+
+ case ARM::VSTMQIA: {
+ unsigned NewOpc = ARM::VSTMDIA;
+ MachineInstrBuilder MIB =
+ 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 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);
+
+ TransferImpOps(MI, MIB, MIB);
+ MIB.setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
+ MI.eraseFromParent();
+ return true;
}
+
+ case ARM::VLD2q8Pseudo:
+ case ARM::VLD2q16Pseudo:
+ case ARM::VLD2q32Pseudo:
+ case ARM::VLD2q8PseudoWB_fixed:
+ case ARM::VLD2q16PseudoWB_fixed:
+ case ARM::VLD2q32PseudoWB_fixed:
+ case ARM::VLD2q8PseudoWB_register:
+ case ARM::VLD2q16PseudoWB_register:
+ case ARM::VLD2q32PseudoWB_register:
+ case ARM::VLD3d8Pseudo:
+ case ARM::VLD3d16Pseudo:
+ case ARM::VLD3d32Pseudo:
+ case ARM::VLD1d64TPseudo:
+ case ARM::VLD1d64TPseudoWB_fixed:
+ case ARM::VLD3d8Pseudo_UPD:
+ case ARM::VLD3d16Pseudo_UPD:
+ case ARM::VLD3d32Pseudo_UPD:
+ 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::VLD4d8Pseudo:
+ case ARM::VLD4d16Pseudo:
+ case ARM::VLD4d32Pseudo:
+ case ARM::VLD1d64QPseudo:
+ case ARM::VLD1d64QPseudoWB_fixed:
+ case ARM::VLD4d8Pseudo_UPD:
+ case ARM::VLD4d16Pseudo_UPD:
+ case ARM::VLD4d32Pseudo_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::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);
+ return true;
+
+ case ARM::VST2q8Pseudo:
+ case ARM::VST2q16Pseudo:
+ case ARM::VST2q32Pseudo:
+ case ARM::VST2q8PseudoWB_fixed:
+ case ARM::VST2q16PseudoWB_fixed:
+ case ARM::VST2q32PseudoWB_fixed:
+ case ARM::VST2q8PseudoWB_register:
+ case ARM::VST2q16PseudoWB_register:
+ case ARM::VST2q32PseudoWB_register:
+ case ARM::VST3d8Pseudo:
+ case ARM::VST3d16Pseudo:
+ case ARM::VST3d32Pseudo:
+ case ARM::VST1d64TPseudo:
+ case ARM::VST3d8Pseudo_UPD:
+ case ARM::VST3d16Pseudo_UPD:
+ case ARM::VST3d32Pseudo_UPD:
+ case ARM::VST1d64TPseudoWB_fixed:
+ case ARM::VST1d64TPseudoWB_register:
+ 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::VST4d8Pseudo:
+ case ARM::VST4d16Pseudo:
+ case ARM::VST4d32Pseudo:
+ case ARM::VST1d64QPseudo:
+ case ARM::VST4d8Pseudo_UPD:
+ case ARM::VST4d16Pseudo_UPD:
+ case ARM::VST4d32Pseudo_UPD:
+ case ARM::VST1d64QPseudoWB_fixed:
+ case ARM::VST1d64QPseudoWB_register:
+ 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);
+ 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::VLD2LNq16Pseudo:
+ case ARM::VLD2LNq32Pseudo:
+ case ARM::VLD2LNd8Pseudo_UPD:
+ case ARM::VLD2LNd16Pseudo_UPD:
+ case ARM::VLD2LNd32Pseudo_UPD:
+ case ARM::VLD2LNq16Pseudo_UPD:
+ case ARM::VLD2LNq32Pseudo_UPD:
+ case ARM::VLD3LNd8Pseudo:
+ case ARM::VLD3LNd16Pseudo:
+ case ARM::VLD3LNd32Pseudo:
+ case ARM::VLD3LNq16Pseudo:
+ case ARM::VLD3LNq32Pseudo:
+ case ARM::VLD3LNd8Pseudo_UPD:
+ case ARM::VLD3LNd16Pseudo_UPD:
+ case ARM::VLD3LNd32Pseudo_UPD:
+ case ARM::VLD3LNq16Pseudo_UPD:
+ case ARM::VLD3LNq32Pseudo_UPD:
+ case ARM::VLD4LNd8Pseudo:
+ case ARM::VLD4LNd16Pseudo:
+ case ARM::VLD4LNd32Pseudo:
+ case ARM::VLD4LNq16Pseudo:
+ case ARM::VLD4LNq32Pseudo:
+ case ARM::VLD4LNd8Pseudo_UPD:
+ case ARM::VLD4LNd16Pseudo_UPD:
+ 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::VST2LNq16Pseudo:
+ case ARM::VST2LNq32Pseudo:
+ case ARM::VST2LNd8Pseudo_UPD:
+ case ARM::VST2LNd16Pseudo_UPD:
+ case ARM::VST2LNd32Pseudo_UPD:
+ case ARM::VST2LNq16Pseudo_UPD:
+ case ARM::VST2LNq32Pseudo_UPD:
+ case ARM::VST3LNd8Pseudo:
+ case ARM::VST3LNd16Pseudo:
+ case ARM::VST3LNd32Pseudo:
+ case ARM::VST3LNq16Pseudo:
+ case ARM::VST3LNq32Pseudo:
+ case ARM::VST3LNd8Pseudo_UPD:
+ case ARM::VST3LNd16Pseudo_UPD:
+ case ARM::VST3LNd32Pseudo_UPD:
+ case ARM::VST3LNq16Pseudo_UPD:
+ case ARM::VST3LNq32Pseudo_UPD:
+ case ARM::VST4LNd8Pseudo:
+ case ARM::VST4LNd16Pseudo:
+ case ARM::VST4LNd32Pseudo:
+ case ARM::VST4LNq16Pseudo:
+ case ARM::VST4LNq32Pseudo:
+ case ARM::VST4LNd8Pseudo_UPD:
+ case ARM::VST4LNd16Pseudo_UPD:
+ case ARM::VST4LNd32Pseudo_UPD:
+ case ARM::VST4LNq16Pseudo_UPD:
+ case ARM::VST4LNq32Pseudo_UPD:
+ ExpandLaneOp(MBBI);
+ return true;
+
+ case ARM::VTBL3Pseudo: ExpandVTBL(MBBI, ARM::VTBL3, false); return true;
+ case ARM::VTBL4Pseudo: ExpandVTBL(MBBI, ARM::VTBL4, false); return true;
+ case ARM::VTBX3Pseudo: ExpandVTBL(MBBI, ARM::VTBX3, true); return true;
+ case ARM::VTBX4Pseudo: ExpandVTBL(MBBI, ARM::VTBX4, true); return true;
+ }
+}
+
+bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
+ bool Modified = false;
+
+ MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();
+ while (MBBI != E) {
+ MachineBasicBlock::iterator NMBBI = std::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.getSubtargetImpl()->getInstrInfo());
+ TRI = TM.getSubtargetImpl()->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;
}
projects / oota-llvm.git / blobdiff