diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 | 
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 | 
| commit | b61ab53cb789e568acbb2952fbead20ab853a696 (patch) | |
| tree | 8575c732129e272992ac5d7b4c2519238fff4735 /lib/Target/Hexagon/HexagonVLIWPacketizer.cpp | |
| parent | 63faed5b8e4f2755f127fcb8aa440480c0649327 (diff) | |
Diffstat (limited to 'lib/Target/Hexagon/HexagonVLIWPacketizer.cpp')
| -rw-r--r-- | lib/Target/Hexagon/HexagonVLIWPacketizer.cpp | 3642 | 
1 files changed, 0 insertions, 3642 deletions
| diff --git a/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp b/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp deleted file mode 100644 index c6e7bd1f53d6b..0000000000000 --- a/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp +++ /dev/null @@ -1,3642 +0,0 @@ -//===----- HexagonPacketizer.cpp - vliw packetizer ---------------------===// -// -//                     The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This implements a simple VLIW packetizer using DFA. The packetizer works on -// machine basic blocks. For each instruction I in BB, the packetizer consults -// the DFA to see if machine resources are available to execute I. If so, the -// packetizer checks if I depends on any instruction J in the current packet. -// If no dependency is found, I is added to current packet and machine resource -// is marked as taken. If any dependency is found, a target API call is made to -// prune the dependence. -// -//===----------------------------------------------------------------------===// -#define DEBUG_TYPE "packets" -#include "llvm/CodeGen/DFAPacketizer.h" -#include "llvm/CodeGen/Passes.h" -#include "llvm/CodeGen/MachineDominators.h" -#include "llvm/CodeGen/MachineFunctionPass.h" -#include "llvm/CodeGen/MachineLoopInfo.h" -#include "llvm/CodeGen/ScheduleDAG.h" -#include "llvm/CodeGen/ScheduleDAGInstrs.h" -#include "llvm/CodeGen/LatencyPriorityQueue.h" -#include "llvm/CodeGen/SchedulerRegistry.h" -#include "llvm/CodeGen/MachineFrameInfo.h" -#include "llvm/CodeGen/MachineInstrBuilder.h" -#include "llvm/CodeGen/MachineRegisterInfo.h" -#include "llvm/CodeGen/MachineFunctionAnalysis.h" -#include "llvm/CodeGen/ScheduleHazardRecognizer.h" -#include "llvm/Target/TargetMachine.h" -#include "llvm/Target/TargetInstrInfo.h" -#include "llvm/Target/TargetRegisterInfo.h" -#include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/Statistic.h" -#include "llvm/Support/MathExtras.h" -#include "llvm/MC/MCInstrItineraries.h" -#include "llvm/Support/Compiler.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/Debug.h" -#include "Hexagon.h" -#include "HexagonTargetMachine.h" -#include "HexagonRegisterInfo.h" -#include "HexagonSubtarget.h" -#include "HexagonMachineFunctionInfo.h" - -#include <map> - -using namespace llvm; - -namespace { -  class HexagonPacketizer : public MachineFunctionPass { - -  public: -    static char ID; -    HexagonPacketizer() : MachineFunctionPass(ID) {} - -    void getAnalysisUsage(AnalysisUsage &AU) const { -      AU.setPreservesCFG(); -      AU.addRequired<MachineDominatorTree>(); -      AU.addPreserved<MachineDominatorTree>(); -      AU.addRequired<MachineLoopInfo>(); -      AU.addPreserved<MachineLoopInfo>(); -      MachineFunctionPass::getAnalysisUsage(AU); -    } - -    const char *getPassName() const { -      return "Hexagon Packetizer"; -    } - -    bool runOnMachineFunction(MachineFunction &Fn); -  }; -  char HexagonPacketizer::ID = 0; - -  class HexagonPacketizerList : public VLIWPacketizerList { - -  private: - -    // Has the instruction been promoted to a dot-new instruction. -    bool PromotedToDotNew; - -    // Has the instruction been glued to allocframe. -    bool GlueAllocframeStore; - -    // Has the feeder instruction been glued to new value jump. -    bool GlueToNewValueJump; - -    // Check if there is a dependence between some instruction already in this -    // packet and this instruction. -    bool Dependence; - -    // Only check for dependence if there are resources available to -    // schedule this instruction. -    bool FoundSequentialDependence; - -  public: -    // Ctor. -    HexagonPacketizerList(MachineFunction &MF, MachineLoopInfo &MLI, -                          MachineDominatorTree &MDT); - -    // initPacketizerState - initialize some internal flags. -    void initPacketizerState(); - -    // ignorePseudoInstruction - Ignore bundling of pseudo instructions. -    bool ignorePseudoInstruction(MachineInstr *MI, MachineBasicBlock *MBB); - -    // isSoloInstruction - return true if instruction MI can not be packetized -    // with any other instruction, which means that MI itself is a packet. -    bool isSoloInstruction(MachineInstr *MI); - -    // isLegalToPacketizeTogether - Is it legal to packetize SUI and SUJ -    // together. -    bool isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ); - -    // isLegalToPruneDependencies - Is it legal to prune dependece between SUI -    // and SUJ. -    bool isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ); - -    MachineBasicBlock::iterator addToPacket(MachineInstr *MI); -  private: -    bool IsCallDependent(MachineInstr* MI, SDep::Kind DepType, unsigned DepReg); -    bool PromoteToDotNew(MachineInstr* MI, SDep::Kind DepType, -                    MachineBasicBlock::iterator &MII, -                    const TargetRegisterClass* RC); -    bool CanPromoteToDotNew(MachineInstr* MI, SUnit* PacketSU, -                    unsigned DepReg, -                    std::map <MachineInstr*, SUnit*> MIToSUnit, -                    MachineBasicBlock::iterator &MII, -                    const TargetRegisterClass* RC); -    bool CanPromoteToNewValue(MachineInstr* MI, SUnit* PacketSU, -                    unsigned DepReg, -                    std::map <MachineInstr*, SUnit*> MIToSUnit, -                    MachineBasicBlock::iterator &MII); -    bool CanPromoteToNewValueStore(MachineInstr* MI, MachineInstr* PacketMI, -                    unsigned DepReg, -                    std::map <MachineInstr*, SUnit*> MIToSUnit); -    bool DemoteToDotOld(MachineInstr* MI); -    bool ArePredicatesComplements(MachineInstr* MI1, MachineInstr* MI2, -                    std::map <MachineInstr*, SUnit*> MIToSUnit); -    bool RestrictingDepExistInPacket(MachineInstr*, -                    unsigned, std::map <MachineInstr*, SUnit*>); -    bool isNewifiable(MachineInstr* MI); -    bool isCondInst(MachineInstr* MI); -    bool IsNewifyStore (MachineInstr* MI); -    bool tryAllocateResourcesForConstExt(MachineInstr* MI); -    bool canReserveResourcesForConstExt(MachineInstr *MI); -    void reserveResourcesForConstExt(MachineInstr* MI); -    bool isNewValueInst(MachineInstr* MI); -    bool isDotNewInst(MachineInstr* MI); -  }; -} - -// HexagonPacketizerList Ctor. -HexagonPacketizerList::HexagonPacketizerList( -  MachineFunction &MF, MachineLoopInfo &MLI,MachineDominatorTree &MDT) -  : VLIWPacketizerList(MF, MLI, MDT, true){ -} - -bool HexagonPacketizer::runOnMachineFunction(MachineFunction &Fn) { -  const TargetInstrInfo *TII = Fn.getTarget().getInstrInfo(); -  MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>(); -  MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>(); - -  // Instantiate the packetizer. -  HexagonPacketizerList Packetizer(Fn, MLI, MDT); - -  // DFA state table should not be empty. -  assert(Packetizer.getResourceTracker() && "Empty DFA table!"); - -  // -  // Loop over all basic blocks and remove KILL pseudo-instructions -  // These instructions confuse the dependence analysis. Consider: -  // D0 = ...   (Insn 0) -  // R0 = KILL R0, D0 (Insn 1) -  // R0 = ... (Insn 2) -  // Here, Insn 1 will result in the dependence graph not emitting an output -  // dependence between Insn 0 and Insn 2. This can lead to incorrect -  // packetization -  // -  for (MachineFunction::iterator MBB = Fn.begin(), MBBe = Fn.end(); -       MBB != MBBe; ++MBB) { -    MachineBasicBlock::iterator End = MBB->end(); -    MachineBasicBlock::iterator MI = MBB->begin(); -    while (MI != End) { -      if (MI->isKill()) { -        MachineBasicBlock::iterator DeleteMI = MI; -        ++MI; -        MBB->erase(DeleteMI); -        End = MBB->end(); -        continue; -      } -      ++MI; -    } -  } - -  // Loop over all of the basic blocks. -  for (MachineFunction::iterator MBB = Fn.begin(), MBBe = Fn.end(); -       MBB != MBBe; ++MBB) { -    // Find scheduling regions and schedule / packetize each region. -    unsigned RemainingCount = MBB->size(); -    for(MachineBasicBlock::iterator RegionEnd = MBB->end(); -        RegionEnd != MBB->begin();) { -      // The next region starts above the previous region. Look backward in the -      // instruction stream until we find the nearest boundary. -      MachineBasicBlock::iterator I = RegionEnd; -      for(;I != MBB->begin(); --I, --RemainingCount) { -        if (TII->isSchedulingBoundary(llvm::prior(I), MBB, Fn)) -          break; -      } -      I = MBB->begin(); - -      // Skip empty scheduling regions. -      if (I == RegionEnd) { -        RegionEnd = llvm::prior(RegionEnd); -        --RemainingCount; -        continue; -      } -      // Skip regions with one instruction. -      if (I == llvm::prior(RegionEnd)) { -        RegionEnd = llvm::prior(RegionEnd); -        continue; -      } - -      Packetizer.PacketizeMIs(MBB, I, RegionEnd); -      RegionEnd = I; -    } -  } - -  return true; -} - - -static bool IsIndirectCall(MachineInstr* MI) { -  return ((MI->getOpcode() == Hexagon::CALLR) || -          (MI->getOpcode() == Hexagon::CALLRv3)); -} - -// Reserve resources for constant extender. Trigure an assertion if -// reservation fail. -void HexagonPacketizerList::reserveResourcesForConstExt(MachineInstr* MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  MachineInstr *PseudoMI = MI->getParent()->getParent()->CreateMachineInstr( -                                  QII->get(Hexagon::IMMEXT), MI->getDebugLoc()); - -  if (ResourceTracker->canReserveResources(PseudoMI)) { -    ResourceTracker->reserveResources(PseudoMI); -    MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); -  } else { -    MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); -    llvm_unreachable("can not reserve resources for constant extender."); -  } -  return; -} - -bool HexagonPacketizerList::canReserveResourcesForConstExt(MachineInstr *MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  assert(QII->isExtended(MI) && -         "Should only be called for constant extended instructions"); -  MachineFunction *MF = MI->getParent()->getParent(); -  MachineInstr *PseudoMI = MF->CreateMachineInstr(QII->get(Hexagon::IMMEXT), -                                                  MI->getDebugLoc()); -  bool CanReserve = ResourceTracker->canReserveResources(PseudoMI); -  MF->DeleteMachineInstr(PseudoMI); -  return CanReserve; -} - -// Allocate resources (i.e. 4 bytes) for constant extender. If succeed, return -// true, otherwise, return false. -bool HexagonPacketizerList::tryAllocateResourcesForConstExt(MachineInstr* MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  MachineInstr *PseudoMI = MI->getParent()->getParent()->CreateMachineInstr( -                                  QII->get(Hexagon::IMMEXT), MI->getDebugLoc()); - -  if (ResourceTracker->canReserveResources(PseudoMI)) { -    ResourceTracker->reserveResources(PseudoMI); -    MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); -    return true; -  } else { -    MI->getParent()->getParent()->DeleteMachineInstr(PseudoMI); -    return false; -  } -} - - -bool HexagonPacketizerList::IsCallDependent(MachineInstr* MI, -                                          SDep::Kind DepType, -                                          unsigned DepReg) { - -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); - -  // Check for lr dependence -  if (DepReg == QRI->getRARegister()) { -    return true; -  } - -  if (QII->isDeallocRet(MI)) { -    if (DepReg == QRI->getFrameRegister() || -        DepReg == QRI->getStackRegister()) -      return true; -  } - -  // Check if this is a predicate dependence -  const TargetRegisterClass* RC = QRI->getMinimalPhysRegClass(DepReg); -  if (RC == Hexagon::PredRegsRegisterClass) { -    return true; -  } - -  // -  // Lastly check for an operand used in an indirect call -  // If we had an attribute for checking if an instruction is an indirect call, -  // then we could have avoided this relatively brittle implementation of -  // IsIndirectCall() -  // -  // Assumes that the first operand of the CALLr is the function address -  // -  if (IsIndirectCall(MI) && (DepType == SDep::Data)) { -    MachineOperand MO = MI->getOperand(0); -    if (MO.isReg() && MO.isUse() && (MO.getReg() == DepReg)) { -      return true; -    } -  } - -  return false; -} - -static bool IsRegDependence(const SDep::Kind DepType) { -  return (DepType == SDep::Data || DepType == SDep::Anti || -          DepType == SDep::Output); -} - -static bool IsDirectJump(MachineInstr* MI) { -  return (MI->getOpcode() == Hexagon::JMP); -} - -static bool IsSchedBarrier(MachineInstr* MI) { -  switch (MI->getOpcode()) { -  case Hexagon::BARRIER: -    return true; -  } -  return false; -} - -static bool IsControlFlow(MachineInstr* MI) { -  return (MI->getDesc().isTerminator() || MI->getDesc().isCall()); -} - -bool HexagonPacketizerList::isNewValueInst(MachineInstr* MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  if (QII->isNewValueJump(MI)) -    return true; - -  if (QII->isNewValueStore(MI)) -    return true; - -  return false; -} - -// Function returns true if an instruction can be promoted to the new-value -// store. It will always return false for v2 and v3. -// It lists all the conditional and unconditional stores that can be promoted -// to the new-value stores. - -bool HexagonPacketizerList::IsNewifyStore (MachineInstr* MI) { -  const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); -  switch (MI->getOpcode()) -  { -    // store byte -    case Hexagon::STrib: -    case Hexagon::STrib_indexed: -    case Hexagon::STrib_indexed_shl_V4: -    case Hexagon::STrib_shl_V4: -    case Hexagon::STrib_GP_V4: -    case Hexagon::STb_GP_V4: -    case Hexagon::POST_STbri: -    case Hexagon::STrib_cPt: -    case Hexagon::STrib_cdnPt_V4: -    case Hexagon::STrib_cNotPt: -    case Hexagon::STrib_cdnNotPt_V4: -    case Hexagon::STrib_indexed_cPt: -    case Hexagon::STrib_indexed_cdnPt_V4: -    case Hexagon::STrib_indexed_cNotPt: -    case Hexagon::STrib_indexed_cdnNotPt_V4: -    case Hexagon::STrib_indexed_shl_cPt_V4: -    case Hexagon::STrib_indexed_shl_cdnPt_V4: -    case Hexagon::STrib_indexed_shl_cNotPt_V4: -    case Hexagon::STrib_indexed_shl_cdnNotPt_V4: -    case Hexagon::POST_STbri_cPt: -    case Hexagon::POST_STbri_cdnPt_V4: -    case Hexagon::POST_STbri_cNotPt: -    case Hexagon::POST_STbri_cdnNotPt_V4: -    case Hexagon::STb_GP_cPt_V4: -    case Hexagon::STb_GP_cNotPt_V4: -    case Hexagon::STb_GP_cdnPt_V4: -    case Hexagon::STb_GP_cdnNotPt_V4: -    case Hexagon::STrib_GP_cPt_V4: -    case Hexagon::STrib_GP_cNotPt_V4: -    case Hexagon::STrib_GP_cdnPt_V4: -    case Hexagon::STrib_GP_cdnNotPt_V4: - -    // store halfword -    case Hexagon::STrih: -    case Hexagon::STrih_indexed: -    case Hexagon::STrih_indexed_shl_V4: -    case Hexagon::STrih_shl_V4: -    case Hexagon::STrih_GP_V4: -    case Hexagon::STh_GP_V4: -    case Hexagon::POST_SThri: -    case Hexagon::STrih_cPt: -    case Hexagon::STrih_cdnPt_V4: -    case Hexagon::STrih_cNotPt: -    case Hexagon::STrih_cdnNotPt_V4: -    case Hexagon::STrih_indexed_cPt: -    case Hexagon::STrih_indexed_cdnPt_V4: -    case Hexagon::STrih_indexed_cNotPt: -    case Hexagon::STrih_indexed_cdnNotPt_V4: -    case Hexagon::STrih_indexed_shl_cPt_V4: -    case Hexagon::STrih_indexed_shl_cdnPt_V4: -    case Hexagon::STrih_indexed_shl_cNotPt_V4: -    case Hexagon::STrih_indexed_shl_cdnNotPt_V4: -    case Hexagon::POST_SThri_cPt: -    case Hexagon::POST_SThri_cdnPt_V4: -    case Hexagon::POST_SThri_cNotPt: -    case Hexagon::POST_SThri_cdnNotPt_V4: -    case Hexagon::STh_GP_cPt_V4: -    case Hexagon::STh_GP_cNotPt_V4: -    case Hexagon::STh_GP_cdnPt_V4: -    case Hexagon::STh_GP_cdnNotPt_V4: -    case Hexagon::STrih_GP_cPt_V4: -    case Hexagon::STrih_GP_cNotPt_V4: -    case Hexagon::STrih_GP_cdnPt_V4: -    case Hexagon::STrih_GP_cdnNotPt_V4: - -    // store word -    case Hexagon::STriw: -    case Hexagon::STriw_indexed: -    case Hexagon::STriw_indexed_shl_V4: -    case Hexagon::STriw_shl_V4: -    case Hexagon::STriw_GP_V4: -    case Hexagon::STw_GP_V4: -    case Hexagon::POST_STwri: -    case Hexagon::STriw_cPt: -    case Hexagon::STriw_cdnPt_V4: -    case Hexagon::STriw_cNotPt: -    case Hexagon::STriw_cdnNotPt_V4: -    case Hexagon::STriw_indexed_cPt: -    case Hexagon::STriw_indexed_cdnPt_V4: -    case Hexagon::STriw_indexed_cNotPt: -    case Hexagon::STriw_indexed_cdnNotPt_V4: -    case Hexagon::STriw_indexed_shl_cPt_V4: -    case Hexagon::STriw_indexed_shl_cdnPt_V4: -    case Hexagon::STriw_indexed_shl_cNotPt_V4: -    case Hexagon::STriw_indexed_shl_cdnNotPt_V4: -    case Hexagon::POST_STwri_cPt: -    case Hexagon::POST_STwri_cdnPt_V4: -    case Hexagon::POST_STwri_cNotPt: -    case Hexagon::POST_STwri_cdnNotPt_V4: -    case Hexagon::STw_GP_cPt_V4: -    case Hexagon::STw_GP_cNotPt_V4: -    case Hexagon::STw_GP_cdnPt_V4: -    case Hexagon::STw_GP_cdnNotPt_V4: -    case Hexagon::STriw_GP_cPt_V4: -    case Hexagon::STriw_GP_cNotPt_V4: -    case Hexagon::STriw_GP_cdnPt_V4: -    case Hexagon::STriw_GP_cdnNotPt_V4: -        return QRI->Subtarget.hasV4TOps(); -  } -  return false; -} - -static bool IsLoopN(MachineInstr *MI) { -  return (MI->getOpcode() == Hexagon::LOOP0_i || -          MI->getOpcode() == Hexagon::LOOP0_r); -} - -/// DoesModifyCalleeSavedReg - Returns true if the instruction modifies a -/// callee-saved register. -static bool DoesModifyCalleeSavedReg(MachineInstr *MI, -                                     const TargetRegisterInfo *TRI) { -  for (const uint16_t *CSR = TRI->getCalleeSavedRegs(); *CSR; ++CSR) { -    unsigned CalleeSavedReg = *CSR; -    if (MI->modifiesRegister(CalleeSavedReg, TRI)) -      return true; -  } -  return false; -} - -// Return the new value instruction for a given store. -static int GetDotNewOp(const int opc) { -  switch (opc) { -  default: llvm_unreachable("Unknown .new type"); - -  // store new value byte -  case Hexagon::STrib: -    return Hexagon::STrib_nv_V4; - -  case Hexagon::STrib_indexed: -    return Hexagon::STrib_indexed_nv_V4; - -  case Hexagon::STrib_indexed_shl_V4: -    return Hexagon::STrib_indexed_shl_nv_V4; - -  case Hexagon::STrib_shl_V4: -    return Hexagon::STrib_shl_nv_V4; - -  case Hexagon::STrib_GP_V4: -    return Hexagon::STrib_GP_nv_V4; - -  case Hexagon::STb_GP_V4: -    return Hexagon::STb_GP_nv_V4; - -  case Hexagon::POST_STbri: -    return Hexagon::POST_STbri_nv_V4; - -  case Hexagon::STrib_cPt: -    return Hexagon::STrib_cPt_nv_V4; - -  case Hexagon::STrib_cdnPt_V4: -    return Hexagon::STrib_cdnPt_nv_V4; - -  case Hexagon::STrib_cNotPt: -    return Hexagon::STrib_cNotPt_nv_V4; - -  case Hexagon::STrib_cdnNotPt_V4: -    return Hexagon::STrib_cdnNotPt_nv_V4; - -  case Hexagon::STrib_indexed_cPt: -    return Hexagon::STrib_indexed_cPt_nv_V4; - -  case Hexagon::STrib_indexed_cdnPt_V4: -    return Hexagon::STrib_indexed_cdnPt_nv_V4; - -  case Hexagon::STrib_indexed_cNotPt: -    return Hexagon::STrib_indexed_cNotPt_nv_V4; - -  case Hexagon::STrib_indexed_cdnNotPt_V4: -    return Hexagon::STrib_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STrib_indexed_shl_cPt_V4: -    return Hexagon::STrib_indexed_shl_cPt_nv_V4; - -  case Hexagon::STrib_indexed_shl_cdnPt_V4: -    return Hexagon::STrib_indexed_shl_cdnPt_nv_V4; - -  case Hexagon::STrib_indexed_shl_cNotPt_V4: -    return Hexagon::STrib_indexed_shl_cNotPt_nv_V4; - -  case Hexagon::STrib_indexed_shl_cdnNotPt_V4: -    return Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_STbri_cPt: -    return Hexagon::POST_STbri_cPt_nv_V4; - -  case Hexagon::POST_STbri_cdnPt_V4: -    return Hexagon::POST_STbri_cdnPt_nv_V4; - -  case Hexagon::POST_STbri_cNotPt: -    return Hexagon::POST_STbri_cNotPt_nv_V4; - -  case Hexagon::POST_STbri_cdnNotPt_V4: -    return Hexagon::POST_STbri_cdnNotPt_nv_V4; - -  case Hexagon::STb_GP_cPt_V4: -    return Hexagon::STb_GP_cPt_nv_V4; - -  case Hexagon::STb_GP_cNotPt_V4: -    return Hexagon::STb_GP_cNotPt_nv_V4; - -  case Hexagon::STb_GP_cdnPt_V4: -    return Hexagon::STb_GP_cdnPt_nv_V4; - -  case Hexagon::STb_GP_cdnNotPt_V4: -    return Hexagon::STb_GP_cdnNotPt_nv_V4; - -  case Hexagon::STrib_GP_cPt_V4: -    return Hexagon::STrib_GP_cPt_nv_V4; - -  case Hexagon::STrib_GP_cNotPt_V4: -    return Hexagon::STrib_GP_cNotPt_nv_V4; - -  case Hexagon::STrib_GP_cdnPt_V4: -    return Hexagon::STrib_GP_cdnPt_nv_V4; - -  case Hexagon::STrib_GP_cdnNotPt_V4: -    return Hexagon::STrib_GP_cdnNotPt_nv_V4; - -  // store new value halfword -  case Hexagon::STrih: -    return Hexagon::STrih_nv_V4; - -  case Hexagon::STrih_indexed: -    return Hexagon::STrih_indexed_nv_V4; - -  case Hexagon::STrih_indexed_shl_V4: -    return Hexagon::STrih_indexed_shl_nv_V4; - -  case Hexagon::STrih_shl_V4: -    return Hexagon::STrih_shl_nv_V4; - -  case Hexagon::STrih_GP_V4: -    return Hexagon::STrih_GP_nv_V4; - -  case Hexagon::STh_GP_V4: -    return Hexagon::STh_GP_nv_V4; - -  case Hexagon::POST_SThri: -    return Hexagon::POST_SThri_nv_V4; - -  case Hexagon::STrih_cPt: -    return Hexagon::STrih_cPt_nv_V4; - -  case Hexagon::STrih_cdnPt_V4: -    return Hexagon::STrih_cdnPt_nv_V4; - -  case Hexagon::STrih_cNotPt: -    return Hexagon::STrih_cNotPt_nv_V4; - -  case Hexagon::STrih_cdnNotPt_V4: -    return Hexagon::STrih_cdnNotPt_nv_V4; - -  case Hexagon::STrih_indexed_cPt: -    return Hexagon::STrih_indexed_cPt_nv_V4; - -  case Hexagon::STrih_indexed_cdnPt_V4: -    return Hexagon::STrih_indexed_cdnPt_nv_V4; - -  case Hexagon::STrih_indexed_cNotPt: -    return Hexagon::STrih_indexed_cNotPt_nv_V4; - -  case Hexagon::STrih_indexed_cdnNotPt_V4: -    return Hexagon::STrih_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STrih_indexed_shl_cPt_V4: -    return Hexagon::STrih_indexed_shl_cPt_nv_V4; - -  case Hexagon::STrih_indexed_shl_cdnPt_V4: -    return Hexagon::STrih_indexed_shl_cdnPt_nv_V4; - -  case Hexagon::STrih_indexed_shl_cNotPt_V4: -    return Hexagon::STrih_indexed_shl_cNotPt_nv_V4; - -  case Hexagon::STrih_indexed_shl_cdnNotPt_V4: -    return Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_SThri_cPt: -    return Hexagon::POST_SThri_cPt_nv_V4; - -  case Hexagon::POST_SThri_cdnPt_V4: -    return Hexagon::POST_SThri_cdnPt_nv_V4; - -  case Hexagon::POST_SThri_cNotPt: -    return Hexagon::POST_SThri_cNotPt_nv_V4; - -  case Hexagon::POST_SThri_cdnNotPt_V4: -    return Hexagon::POST_SThri_cdnNotPt_nv_V4; - -  case Hexagon::STh_GP_cPt_V4: -    return Hexagon::STh_GP_cPt_nv_V4; - -  case Hexagon::STh_GP_cNotPt_V4: -    return Hexagon::STh_GP_cNotPt_nv_V4; - -  case Hexagon::STh_GP_cdnPt_V4: -    return Hexagon::STh_GP_cdnPt_nv_V4; - -  case Hexagon::STh_GP_cdnNotPt_V4: -    return Hexagon::STh_GP_cdnNotPt_nv_V4; - -  case Hexagon::STrih_GP_cPt_V4: -    return Hexagon::STrih_GP_cPt_nv_V4; - -  case Hexagon::STrih_GP_cNotPt_V4: -    return Hexagon::STrih_GP_cNotPt_nv_V4; - -  case Hexagon::STrih_GP_cdnPt_V4: -    return Hexagon::STrih_GP_cdnPt_nv_V4; - -  case Hexagon::STrih_GP_cdnNotPt_V4: -    return Hexagon::STrih_GP_cdnNotPt_nv_V4; - -  // store new value word -  case Hexagon::STriw: -    return Hexagon::STriw_nv_V4; - -  case Hexagon::STriw_indexed: -    return Hexagon::STriw_indexed_nv_V4; - -  case Hexagon::STriw_indexed_shl_V4: -    return Hexagon::STriw_indexed_shl_nv_V4; - -  case Hexagon::STriw_shl_V4: -    return Hexagon::STriw_shl_nv_V4; - -  case Hexagon::STriw_GP_V4: -    return Hexagon::STriw_GP_nv_V4; - -  case Hexagon::STw_GP_V4: -    return Hexagon::STw_GP_nv_V4; - -  case Hexagon::POST_STwri: -    return Hexagon::POST_STwri_nv_V4; - -  case Hexagon::STriw_cPt: -    return Hexagon::STriw_cPt_nv_V4; - -  case Hexagon::STriw_cdnPt_V4: -    return Hexagon::STriw_cdnPt_nv_V4; - -  case Hexagon::STriw_cNotPt: -    return Hexagon::STriw_cNotPt_nv_V4; - -  case Hexagon::STriw_cdnNotPt_V4: -    return Hexagon::STriw_cdnNotPt_nv_V4; - -  case Hexagon::STriw_indexed_cPt: -    return Hexagon::STriw_indexed_cPt_nv_V4; - -  case Hexagon::STriw_indexed_cdnPt_V4: -    return Hexagon::STriw_indexed_cdnPt_nv_V4; - -  case Hexagon::STriw_indexed_cNotPt: -    return Hexagon::STriw_indexed_cNotPt_nv_V4; - -  case Hexagon::STriw_indexed_cdnNotPt_V4: -    return Hexagon::STriw_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STriw_indexed_shl_cPt_V4: -    return Hexagon::STriw_indexed_shl_cPt_nv_V4; - -  case Hexagon::STriw_indexed_shl_cdnPt_V4: -    return Hexagon::STriw_indexed_shl_cdnPt_nv_V4; - -  case Hexagon::STriw_indexed_shl_cNotPt_V4: -    return Hexagon::STriw_indexed_shl_cNotPt_nv_V4; - -  case Hexagon::STriw_indexed_shl_cdnNotPt_V4: -    return Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_STwri_cPt: -    return Hexagon::POST_STwri_cPt_nv_V4; - -  case Hexagon::POST_STwri_cdnPt_V4: -    return Hexagon::POST_STwri_cdnPt_nv_V4; - -  case Hexagon::POST_STwri_cNotPt: -    return Hexagon::POST_STwri_cNotPt_nv_V4; - -  case Hexagon::POST_STwri_cdnNotPt_V4: -    return Hexagon::POST_STwri_cdnNotPt_nv_V4; - -  case Hexagon::STw_GP_cPt_V4: -    return Hexagon::STw_GP_cPt_nv_V4; - -  case Hexagon::STw_GP_cNotPt_V4: -    return Hexagon::STw_GP_cNotPt_nv_V4; - -  case Hexagon::STw_GP_cdnPt_V4: -    return Hexagon::STw_GP_cdnPt_nv_V4; - -  case Hexagon::STw_GP_cdnNotPt_V4: -    return Hexagon::STw_GP_cdnNotPt_nv_V4; - -  case Hexagon::STriw_GP_cPt_V4: -    return Hexagon::STriw_GP_cPt_nv_V4; - -  case Hexagon::STriw_GP_cNotPt_V4: -    return Hexagon::STriw_GP_cNotPt_nv_V4; - -  case Hexagon::STriw_GP_cdnPt_V4: -    return Hexagon::STriw_GP_cdnPt_nv_V4; - -  case Hexagon::STriw_GP_cdnNotPt_V4: -    return Hexagon::STriw_GP_cdnNotPt_nv_V4; -  } -} - -// Return .new predicate version for an instruction -static int GetDotNewPredOp(const int opc) { -  switch (opc) { -  default: llvm_unreachable("Unknown .new type"); - -  // Conditional stores -  // Store byte conditionally -  case Hexagon::STrib_cPt : -    return Hexagon::STrib_cdnPt_V4; - -  case Hexagon::STrib_cNotPt : -    return Hexagon::STrib_cdnNotPt_V4; - -  case Hexagon::STrib_indexed_cPt : -    return Hexagon::STrib_indexed_cdnPt_V4; - -  case Hexagon::STrib_indexed_cNotPt : -    return Hexagon::STrib_indexed_cdnNotPt_V4; - -  case Hexagon::STrib_imm_cPt_V4 : -    return Hexagon::STrib_imm_cdnPt_V4; - -  case Hexagon::STrib_imm_cNotPt_V4 : -    return Hexagon::STrib_imm_cdnNotPt_V4; - -  case Hexagon::POST_STbri_cPt : -    return Hexagon::POST_STbri_cdnPt_V4; - -  case Hexagon::POST_STbri_cNotPt : -    return Hexagon::POST_STbri_cdnNotPt_V4; - -  case Hexagon::STrib_indexed_shl_cPt_V4 : -    return Hexagon::STrib_indexed_shl_cdnPt_V4; - -  case Hexagon::STrib_indexed_shl_cNotPt_V4 : -    return Hexagon::STrib_indexed_shl_cdnNotPt_V4; - -  case Hexagon::STb_GP_cPt_V4 : -    return Hexagon::STb_GP_cdnPt_V4; - -  case Hexagon::STb_GP_cNotPt_V4 : -    return Hexagon::STb_GP_cdnNotPt_V4; - -  case Hexagon::STrib_GP_cPt_V4 : -    return Hexagon::STrib_GP_cdnPt_V4; - -  case Hexagon::STrib_GP_cNotPt_V4 : -    return Hexagon::STrib_GP_cdnNotPt_V4; - -  // Store doubleword conditionally -  case Hexagon::STrid_cPt : -    return Hexagon::STrid_cdnPt_V4; - -  case Hexagon::STrid_cNotPt : -    return Hexagon::STrid_cdnNotPt_V4; - -  case Hexagon::STrid_indexed_cPt : -    return Hexagon::STrid_indexed_cdnPt_V4; - -  case Hexagon::STrid_indexed_cNotPt : -    return Hexagon::STrid_indexed_cdnNotPt_V4; - -  case Hexagon::STrid_indexed_shl_cPt_V4 : -    return Hexagon::STrid_indexed_shl_cdnPt_V4; - -  case Hexagon::STrid_indexed_shl_cNotPt_V4 : -    return Hexagon::STrid_indexed_shl_cdnNotPt_V4; - -  case Hexagon::POST_STdri_cPt : -    return Hexagon::POST_STdri_cdnPt_V4; - -  case Hexagon::POST_STdri_cNotPt : -    return Hexagon::POST_STdri_cdnNotPt_V4; - -  case Hexagon::STd_GP_cPt_V4 : -    return Hexagon::STd_GP_cdnPt_V4; - -  case Hexagon::STd_GP_cNotPt_V4 : -    return Hexagon::STd_GP_cdnNotPt_V4; - -  case Hexagon::STrid_GP_cPt_V4 : -    return Hexagon::STrid_GP_cdnPt_V4; - -  case Hexagon::STrid_GP_cNotPt_V4 : -    return Hexagon::STrid_GP_cdnNotPt_V4; - -  // Store halfword conditionally -  case Hexagon::STrih_cPt : -    return Hexagon::STrih_cdnPt_V4; - -  case Hexagon::STrih_cNotPt : -    return Hexagon::STrih_cdnNotPt_V4; - -  case Hexagon::STrih_indexed_cPt : -    return Hexagon::STrih_indexed_cdnPt_V4; - -  case Hexagon::STrih_indexed_cNotPt : -    return Hexagon::STrih_indexed_cdnNotPt_V4; - -  case Hexagon::STrih_imm_cPt_V4 : -    return Hexagon::STrih_imm_cdnPt_V4; - -  case Hexagon::STrih_imm_cNotPt_V4 : -    return Hexagon::STrih_imm_cdnNotPt_V4; - -  case Hexagon::STrih_indexed_shl_cPt_V4 : -    return Hexagon::STrih_indexed_shl_cdnPt_V4; - -  case Hexagon::STrih_indexed_shl_cNotPt_V4 : -    return Hexagon::STrih_indexed_shl_cdnNotPt_V4; - -  case Hexagon::POST_SThri_cPt : -    return Hexagon::POST_SThri_cdnPt_V4; - -  case Hexagon::POST_SThri_cNotPt : -    return Hexagon::POST_SThri_cdnNotPt_V4; - -  case Hexagon::STh_GP_cPt_V4 : -    return Hexagon::STh_GP_cdnPt_V4; - -  case Hexagon::STh_GP_cNotPt_V4 : -    return Hexagon::STh_GP_cdnNotPt_V4; - -  case Hexagon::STrih_GP_cPt_V4 : -    return Hexagon::STrih_GP_cdnPt_V4; - -  case Hexagon::STrih_GP_cNotPt_V4 : -    return Hexagon::STrih_GP_cdnNotPt_V4; - -  // Store word conditionally -  case Hexagon::STriw_cPt : -    return Hexagon::STriw_cdnPt_V4; - -  case Hexagon::STriw_cNotPt : -    return Hexagon::STriw_cdnNotPt_V4; - -  case Hexagon::STriw_indexed_cPt : -    return Hexagon::STriw_indexed_cdnPt_V4; - -  case Hexagon::STriw_indexed_cNotPt : -    return Hexagon::STriw_indexed_cdnNotPt_V4; - -  case Hexagon::STriw_imm_cPt_V4 : -    return Hexagon::STriw_imm_cdnPt_V4; - -  case Hexagon::STriw_imm_cNotPt_V4 : -    return Hexagon::STriw_imm_cdnNotPt_V4; - -  case Hexagon::STriw_indexed_shl_cPt_V4 : -    return Hexagon::STriw_indexed_shl_cdnPt_V4; - -  case Hexagon::STriw_indexed_shl_cNotPt_V4 : -    return Hexagon::STriw_indexed_shl_cdnNotPt_V4; - -  case Hexagon::POST_STwri_cPt : -    return Hexagon::POST_STwri_cdnPt_V4; - -  case Hexagon::POST_STwri_cNotPt : -    return Hexagon::POST_STwri_cdnNotPt_V4; - -  case Hexagon::STw_GP_cPt_V4 : -    return Hexagon::STw_GP_cdnPt_V4; - -  case Hexagon::STw_GP_cNotPt_V4 : -    return Hexagon::STw_GP_cdnNotPt_V4; - -  case Hexagon::STriw_GP_cPt_V4 : -    return Hexagon::STriw_GP_cdnPt_V4; - -  case Hexagon::STriw_GP_cNotPt_V4 : -    return Hexagon::STriw_GP_cdnNotPt_V4; - -  // Condtional Jumps -  case Hexagon::JMP_c: -    return Hexagon::JMP_cdnPt; - -  case Hexagon::JMP_cNot: -    return Hexagon::JMP_cdnNotPt; - -  case Hexagon::JMPR_cPt: -    return Hexagon::JMPR_cdnPt_V3; - -  case Hexagon::JMPR_cNotPt: -    return Hexagon::JMPR_cdnNotPt_V3; - -  // Conditional Transfers -  case Hexagon::TFR_cPt: -    return Hexagon::TFR_cdnPt; - -  case Hexagon::TFR_cNotPt: -    return Hexagon::TFR_cdnNotPt; - -  case Hexagon::TFRI_cPt: -    return Hexagon::TFRI_cdnPt; - -  case Hexagon::TFRI_cNotPt: -    return Hexagon::TFRI_cdnNotPt; - -  // Load double word -  case Hexagon::LDrid_cPt : -    return Hexagon::LDrid_cdnPt; - -  case Hexagon::LDrid_cNotPt : -    return Hexagon::LDrid_cdnNotPt; - -  case Hexagon::LDrid_indexed_cPt : -    return Hexagon::LDrid_indexed_cdnPt; - -  case Hexagon::LDrid_indexed_cNotPt : -    return Hexagon::LDrid_indexed_cdnNotPt; - -  case Hexagon::POST_LDrid_cPt : -    return Hexagon::POST_LDrid_cdnPt_V4; - -  case Hexagon::POST_LDrid_cNotPt : -    return Hexagon::POST_LDrid_cdnNotPt_V4; - -  // Load word -  case Hexagon::LDriw_cPt : -    return Hexagon::LDriw_cdnPt; - -  case Hexagon::LDriw_cNotPt : -    return Hexagon::LDriw_cdnNotPt; - -  case Hexagon::LDriw_indexed_cPt : -    return Hexagon::LDriw_indexed_cdnPt; - -  case Hexagon::LDriw_indexed_cNotPt : -    return Hexagon::LDriw_indexed_cdnNotPt; - -  case Hexagon::POST_LDriw_cPt : -    return Hexagon::POST_LDriw_cdnPt_V4; - -  case Hexagon::POST_LDriw_cNotPt : -    return Hexagon::POST_LDriw_cdnNotPt_V4; - -  // Load halfword -  case Hexagon::LDrih_cPt : -    return Hexagon::LDrih_cdnPt; - -  case Hexagon::LDrih_cNotPt : -    return Hexagon::LDrih_cdnNotPt; - -  case Hexagon::LDrih_indexed_cPt : -    return Hexagon::LDrih_indexed_cdnPt; - -  case Hexagon::LDrih_indexed_cNotPt : -    return Hexagon::LDrih_indexed_cdnNotPt; - -  case Hexagon::POST_LDrih_cPt : -    return Hexagon::POST_LDrih_cdnPt_V4; - -  case Hexagon::POST_LDrih_cNotPt : -    return Hexagon::POST_LDrih_cdnNotPt_V4; - -  // Load byte -  case Hexagon::LDrib_cPt : -    return Hexagon::LDrib_cdnPt; - -  case Hexagon::LDrib_cNotPt : -    return Hexagon::LDrib_cdnNotPt; - -  case Hexagon::LDrib_indexed_cPt : -    return Hexagon::LDrib_indexed_cdnPt; - -  case Hexagon::LDrib_indexed_cNotPt : -    return Hexagon::LDrib_indexed_cdnNotPt; - -  case Hexagon::POST_LDrib_cPt : -    return Hexagon::POST_LDrib_cdnPt_V4; - -  case Hexagon::POST_LDrib_cNotPt : -    return Hexagon::POST_LDrib_cdnNotPt_V4; - -  // Load unsigned halfword -  case Hexagon::LDriuh_cPt : -    return Hexagon::LDriuh_cdnPt; - -  case Hexagon::LDriuh_cNotPt : -    return Hexagon::LDriuh_cdnNotPt; - -  case Hexagon::LDriuh_indexed_cPt : -    return Hexagon::LDriuh_indexed_cdnPt; - -  case Hexagon::LDriuh_indexed_cNotPt : -    return Hexagon::LDriuh_indexed_cdnNotPt; - -  case Hexagon::POST_LDriuh_cPt : -    return Hexagon::POST_LDriuh_cdnPt_V4; - -  case Hexagon::POST_LDriuh_cNotPt : -    return Hexagon::POST_LDriuh_cdnNotPt_V4; - -  // Load unsigned byte -  case Hexagon::LDriub_cPt : -    return Hexagon::LDriub_cdnPt; - -  case Hexagon::LDriub_cNotPt : -    return Hexagon::LDriub_cdnNotPt; - -  case Hexagon::LDriub_indexed_cPt : -    return Hexagon::LDriub_indexed_cdnPt; - -  case Hexagon::LDriub_indexed_cNotPt : -    return Hexagon::LDriub_indexed_cdnNotPt; - -  case Hexagon::POST_LDriub_cPt : -    return Hexagon::POST_LDriub_cdnPt_V4; - -  case Hexagon::POST_LDriub_cNotPt : -    return Hexagon::POST_LDriub_cdnNotPt_V4; - -  // V4 indexed+scaled load - -  case Hexagon::LDrid_indexed_cPt_V4 : -    return Hexagon::LDrid_indexed_cdnPt_V4; - -  case Hexagon::LDrid_indexed_cNotPt_V4 : -    return Hexagon::LDrid_indexed_cdnNotPt_V4; - -  case Hexagon::LDrid_indexed_shl_cPt_V4 : -    return Hexagon::LDrid_indexed_shl_cdnPt_V4; - -  case Hexagon::LDrid_indexed_shl_cNotPt_V4 : -    return Hexagon::LDrid_indexed_shl_cdnNotPt_V4; - -  case Hexagon::LDrib_indexed_cPt_V4 : -    return Hexagon::LDrib_indexed_cdnPt_V4; - -  case Hexagon::LDrib_indexed_cNotPt_V4 : -    return Hexagon::LDrib_indexed_cdnNotPt_V4; - -  case Hexagon::LDrib_indexed_shl_cPt_V4 : -    return Hexagon::LDrib_indexed_shl_cdnPt_V4; - -  case Hexagon::LDrib_indexed_shl_cNotPt_V4 : -    return Hexagon::LDrib_indexed_shl_cdnNotPt_V4; - -  case Hexagon::LDriub_indexed_cPt_V4 : -    return Hexagon::LDriub_indexed_cdnPt_V4; - -  case Hexagon::LDriub_indexed_cNotPt_V4 : -    return Hexagon::LDriub_indexed_cdnNotPt_V4; - -  case Hexagon::LDriub_indexed_shl_cPt_V4 : -    return Hexagon::LDriub_indexed_shl_cdnPt_V4; - -  case Hexagon::LDriub_indexed_shl_cNotPt_V4 : -    return Hexagon::LDriub_indexed_shl_cdnNotPt_V4; - -  case Hexagon::LDrih_indexed_cPt_V4 : -    return Hexagon::LDrih_indexed_cdnPt_V4; - -  case Hexagon::LDrih_indexed_cNotPt_V4 : -    return Hexagon::LDrih_indexed_cdnNotPt_V4; - -  case Hexagon::LDrih_indexed_shl_cPt_V4 : -    return Hexagon::LDrih_indexed_shl_cdnPt_V4; - -  case Hexagon::LDrih_indexed_shl_cNotPt_V4 : -    return Hexagon::LDrih_indexed_shl_cdnNotPt_V4; - -  case Hexagon::LDriuh_indexed_cPt_V4 : -    return Hexagon::LDriuh_indexed_cdnPt_V4; - -  case Hexagon::LDriuh_indexed_cNotPt_V4 : -    return Hexagon::LDriuh_indexed_cdnNotPt_V4; - -  case Hexagon::LDriuh_indexed_shl_cPt_V4 : -    return Hexagon::LDriuh_indexed_shl_cdnPt_V4; - -  case Hexagon::LDriuh_indexed_shl_cNotPt_V4 : -    return Hexagon::LDriuh_indexed_shl_cdnNotPt_V4; - -  case Hexagon::LDriw_indexed_cPt_V4 : -    return Hexagon::LDriw_indexed_cdnPt_V4; - -  case Hexagon::LDriw_indexed_cNotPt_V4 : -    return Hexagon::LDriw_indexed_cdnNotPt_V4; - -  case Hexagon::LDriw_indexed_shl_cPt_V4 : -    return Hexagon::LDriw_indexed_shl_cdnPt_V4; - -  case Hexagon::LDriw_indexed_shl_cNotPt_V4 : -    return Hexagon::LDriw_indexed_shl_cdnNotPt_V4; - -  // V4 global address load - -  case Hexagon::LDd_GP_cPt_V4: -    return Hexagon::LDd_GP_cdnPt_V4; - -  case Hexagon::LDd_GP_cNotPt_V4: -    return Hexagon::LDd_GP_cdnNotPt_V4; - -  case Hexagon::LDb_GP_cPt_V4: -    return Hexagon::LDb_GP_cdnPt_V4; - -  case Hexagon::LDb_GP_cNotPt_V4: -    return Hexagon::LDb_GP_cdnNotPt_V4; - -  case Hexagon::LDub_GP_cPt_V4: -    return Hexagon::LDub_GP_cdnPt_V4; - -  case Hexagon::LDub_GP_cNotPt_V4: -    return Hexagon::LDub_GP_cdnNotPt_V4; - -  case Hexagon::LDh_GP_cPt_V4: -    return Hexagon::LDh_GP_cdnPt_V4; - -  case Hexagon::LDh_GP_cNotPt_V4: -    return Hexagon::LDh_GP_cdnNotPt_V4; - -  case Hexagon::LDuh_GP_cPt_V4: -    return Hexagon::LDuh_GP_cdnPt_V4; - -  case Hexagon::LDuh_GP_cNotPt_V4: -    return Hexagon::LDuh_GP_cdnNotPt_V4; - -  case Hexagon::LDw_GP_cPt_V4: -    return Hexagon::LDw_GP_cdnPt_V4; - -  case Hexagon::LDw_GP_cNotPt_V4: -    return Hexagon::LDw_GP_cdnNotPt_V4; - -  case Hexagon::LDrid_GP_cPt_V4: -    return Hexagon::LDrid_GP_cdnPt_V4; - -  case Hexagon::LDrid_GP_cNotPt_V4: -    return Hexagon::LDrid_GP_cdnNotPt_V4; - -  case Hexagon::LDrib_GP_cPt_V4: -    return Hexagon::LDrib_GP_cdnPt_V4; - -  case Hexagon::LDrib_GP_cNotPt_V4: -    return Hexagon::LDrib_GP_cdnNotPt_V4; - -  case Hexagon::LDriub_GP_cPt_V4: -    return Hexagon::LDriub_GP_cdnPt_V4; - -  case Hexagon::LDriub_GP_cNotPt_V4: -    return Hexagon::LDriub_GP_cdnNotPt_V4; - -  case Hexagon::LDrih_GP_cPt_V4: -    return Hexagon::LDrih_GP_cdnPt_V4; - -  case Hexagon::LDrih_GP_cNotPt_V4: -    return Hexagon::LDrih_GP_cdnNotPt_V4; - -  case Hexagon::LDriuh_GP_cPt_V4: -    return Hexagon::LDriuh_GP_cdnPt_V4; - -  case Hexagon::LDriuh_GP_cNotPt_V4: -    return Hexagon::LDriuh_GP_cdnNotPt_V4; - -  case Hexagon::LDriw_GP_cPt_V4: -    return Hexagon::LDriw_GP_cdnPt_V4; - -  case Hexagon::LDriw_GP_cNotPt_V4: -    return Hexagon::LDriw_GP_cdnNotPt_V4; - -  // Conditional store new-value byte -  case Hexagon::STrib_cPt_nv_V4 : -    return Hexagon::STrib_cdnPt_nv_V4; -  case Hexagon::STrib_cNotPt_nv_V4 : -    return Hexagon::STrib_cdnNotPt_nv_V4; - -  case Hexagon::STrib_indexed_cPt_nv_V4 : -    return Hexagon::STrib_indexed_cdnPt_nv_V4; -  case Hexagon::STrib_indexed_cNotPt_nv_V4 : -    return Hexagon::STrib_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STrib_indexed_shl_cPt_nv_V4 : -    return Hexagon::STrib_indexed_shl_cdnPt_nv_V4; -  case Hexagon::STrib_indexed_shl_cNotPt_nv_V4 : -    return Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_STbri_cPt_nv_V4 : -    return Hexagon::POST_STbri_cdnPt_nv_V4; -  case Hexagon::POST_STbri_cNotPt_nv_V4 : -    return Hexagon::POST_STbri_cdnNotPt_nv_V4; - -  case Hexagon::STb_GP_cPt_nv_V4 : -    return Hexagon::STb_GP_cdnPt_nv_V4; - -  case Hexagon::STb_GP_cNotPt_nv_V4 : -    return Hexagon::STb_GP_cdnNotPt_nv_V4; - -  case Hexagon::STrib_GP_cPt_nv_V4 : -    return Hexagon::STrib_GP_cdnPt_nv_V4; - -  case Hexagon::STrib_GP_cNotPt_nv_V4 : -    return Hexagon::STrib_GP_cdnNotPt_nv_V4; - -  // Conditional store new-value halfword -  case Hexagon::STrih_cPt_nv_V4 : -    return Hexagon::STrih_cdnPt_nv_V4; -  case Hexagon::STrih_cNotPt_nv_V4 : -    return Hexagon::STrih_cdnNotPt_nv_V4; - -  case Hexagon::STrih_indexed_cPt_nv_V4 : -    return Hexagon::STrih_indexed_cdnPt_nv_V4; -  case Hexagon::STrih_indexed_cNotPt_nv_V4 : -    return Hexagon::STrih_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STrih_indexed_shl_cPt_nv_V4 : -    return Hexagon::STrih_indexed_shl_cdnPt_nv_V4; -  case Hexagon::STrih_indexed_shl_cNotPt_nv_V4 : -    return Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_SThri_cPt_nv_V4 : -    return Hexagon::POST_SThri_cdnPt_nv_V4; -  case Hexagon::POST_SThri_cNotPt_nv_V4 : -    return Hexagon::POST_SThri_cdnNotPt_nv_V4; - -  case Hexagon::STh_GP_cPt_nv_V4 : -    return Hexagon::STh_GP_cdnPt_nv_V4; - -  case Hexagon::STh_GP_cNotPt_nv_V4 : -    return Hexagon::STh_GP_cdnNotPt_nv_V4; - -  case Hexagon::STrih_GP_cPt_nv_V4 : -    return Hexagon::STrih_GP_cdnPt_nv_V4; - -  case Hexagon::STrih_GP_cNotPt_nv_V4 : -    return Hexagon::STrih_GP_cdnNotPt_nv_V4; - -  // Conditional store new-value word -  case Hexagon::STriw_cPt_nv_V4 : -    return  Hexagon::STriw_cdnPt_nv_V4; -  case Hexagon::STriw_cNotPt_nv_V4 : -    return Hexagon::STriw_cdnNotPt_nv_V4; - -  case Hexagon::STriw_indexed_cPt_nv_V4 : -    return Hexagon::STriw_indexed_cdnPt_nv_V4; -  case Hexagon::STriw_indexed_cNotPt_nv_V4 : -    return Hexagon::STriw_indexed_cdnNotPt_nv_V4; - -  case Hexagon::STriw_indexed_shl_cPt_nv_V4 : -    return Hexagon::STriw_indexed_shl_cdnPt_nv_V4; -  case Hexagon::STriw_indexed_shl_cNotPt_nv_V4 : -    return Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4; - -  case Hexagon::POST_STwri_cPt_nv_V4 : -    return Hexagon::POST_STwri_cdnPt_nv_V4; -  case Hexagon::POST_STwri_cNotPt_nv_V4: -    return Hexagon::POST_STwri_cdnNotPt_nv_V4; - -  case Hexagon::STw_GP_cPt_nv_V4 : -    return Hexagon::STw_GP_cdnPt_nv_V4; - -  case Hexagon::STw_GP_cNotPt_nv_V4 : -    return Hexagon::STw_GP_cdnNotPt_nv_V4; - -  case Hexagon::STriw_GP_cPt_nv_V4 : -    return Hexagon::STriw_GP_cdnPt_nv_V4; - -  case Hexagon::STriw_GP_cNotPt_nv_V4 : -    return Hexagon::STriw_GP_cdnNotPt_nv_V4; - -  // Conditional add -  case Hexagon::ADD_ri_cPt : -    return Hexagon::ADD_ri_cdnPt; -  case Hexagon::ADD_ri_cNotPt : -    return Hexagon::ADD_ri_cdnNotPt; - -  case Hexagon::ADD_rr_cPt : -    return Hexagon::ADD_rr_cdnPt; -  case Hexagon::ADD_rr_cNotPt : -    return Hexagon::ADD_rr_cdnNotPt; - -  // Conditional logical Operations -  case Hexagon::XOR_rr_cPt : -    return Hexagon::XOR_rr_cdnPt; -  case Hexagon::XOR_rr_cNotPt : -    return Hexagon::XOR_rr_cdnNotPt; - -  case Hexagon::AND_rr_cPt : -    return Hexagon::AND_rr_cdnPt; -  case Hexagon::AND_rr_cNotPt : -    return Hexagon::AND_rr_cdnNotPt; - -  case Hexagon::OR_rr_cPt : -    return Hexagon::OR_rr_cdnPt; -  case Hexagon::OR_rr_cNotPt : -    return Hexagon::OR_rr_cdnNotPt; - -  // Conditional Subtract -  case Hexagon::SUB_rr_cPt : -    return Hexagon::SUB_rr_cdnPt; -  case Hexagon::SUB_rr_cNotPt : -    return Hexagon::SUB_rr_cdnNotPt; - -  // Conditional combine -  case Hexagon::COMBINE_rr_cPt : -    return Hexagon::COMBINE_rr_cdnPt; -  case Hexagon::COMBINE_rr_cNotPt : -    return Hexagon::COMBINE_rr_cdnNotPt; - -  case Hexagon::ASLH_cPt_V4 : -    return Hexagon::ASLH_cdnPt_V4; -  case Hexagon::ASLH_cNotPt_V4 : -    return Hexagon::ASLH_cdnNotPt_V4; - -  case Hexagon::ASRH_cPt_V4 : -    return Hexagon::ASRH_cdnPt_V4; -  case Hexagon::ASRH_cNotPt_V4 : -    return Hexagon::ASRH_cdnNotPt_V4; - -  case Hexagon::SXTB_cPt_V4 : -    return Hexagon::SXTB_cdnPt_V4; -  case Hexagon::SXTB_cNotPt_V4 : -    return Hexagon::SXTB_cdnNotPt_V4; - -  case Hexagon::SXTH_cPt_V4 : -    return Hexagon::SXTH_cdnPt_V4; -  case Hexagon::SXTH_cNotPt_V4 : -    return Hexagon::SXTH_cdnNotPt_V4; - -  case Hexagon::ZXTB_cPt_V4 : -    return Hexagon::ZXTB_cdnPt_V4; -  case Hexagon::ZXTB_cNotPt_V4 : -    return Hexagon::ZXTB_cdnNotPt_V4; - -  case Hexagon::ZXTH_cPt_V4 : -    return Hexagon::ZXTH_cdnPt_V4; -  case Hexagon::ZXTH_cNotPt_V4 : -    return Hexagon::ZXTH_cdnNotPt_V4; -  } -} - -// Returns true if an instruction can be promoted to .new predicate -// or new-value store. -bool HexagonPacketizerList::isNewifiable(MachineInstr* MI) { -  if ( isCondInst(MI) || IsNewifyStore(MI)) -    return true; -  else -    return false; -} - -bool HexagonPacketizerList::isCondInst (MachineInstr* MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  const MCInstrDesc& TID = MI->getDesc(); -                                    // bug 5670: until that is fixed, -                                    // this portion is disabled. -  if (   TID.isConditionalBranch()  // && !IsRegisterJump(MI)) || -      || QII->isConditionalTransfer(MI) -      || QII->isConditionalALU32(MI) -      || QII->isConditionalLoad(MI) -      || QII->isConditionalStore(MI)) { -    return true; -  } -  return false; -} - - -// Promote an instructiont to its .new form. -// At this time, we have already made a call to CanPromoteToDotNew -// and made sure that it can *indeed* be promoted. -bool HexagonPacketizerList::PromoteToDotNew(MachineInstr* MI, -                        SDep::Kind DepType, MachineBasicBlock::iterator &MII, -                        const TargetRegisterClass* RC) { - -  assert (DepType == SDep::Data); -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - -  int NewOpcode; -  if (RC == Hexagon::PredRegsRegisterClass) -    NewOpcode = GetDotNewPredOp(MI->getOpcode()); -  else -    NewOpcode = GetDotNewOp(MI->getOpcode()); -  MI->setDesc(QII->get(NewOpcode)); - -  return true; -} - -// Returns the most basic instruction for the .new predicated instructions and -// new-value stores. -// For example, all of the following instructions will be converted back to the -// same instruction: -// 1) if (p0.new) memw(R0+#0) = R1.new  ---> -// 2) if (p0) memw(R0+#0)= R1.new      -------> if (p0) memw(R0+#0) = R1 -// 3) if (p0.new) memw(R0+#0) = R1      ---> -// -// To understand the translation of instruction 1 to its original form, consider -// a packet with 3 instructions. -// { p0 = cmp.eq(R0,R1) -//   if (p0.new) R2 = add(R3, R4) -//   R5 = add (R3, R1) -//   } -// if (p0) memw(R5+#0) = R2 <--- trying to include it in the previous packet -// -// This instruction can be part of the previous packet only if both p0 and R2 -// are promoted to .new values. This promotion happens in steps, first -// predicate register is promoted to .new and in the next iteration R2 is -// promoted. Therefore, in case of dependence check failure (due to R5) during -// next iteration, it should be converted back to its most basic form. - -static int GetDotOldOp(const int opc) { -  switch (opc) { -  default: llvm_unreachable("Unknown .old type"); - -  case Hexagon::TFR_cdnPt: -    return Hexagon::TFR_cPt; - -  case Hexagon::TFR_cdnNotPt: -    return Hexagon::TFR_cNotPt; - -  case Hexagon::TFRI_cdnPt: -    return Hexagon::TFRI_cPt; - -  case Hexagon::TFRI_cdnNotPt: -    return Hexagon::TFRI_cNotPt; - -  case Hexagon::JMP_cdnPt: -    return Hexagon::JMP_c; - -  case Hexagon::JMP_cdnNotPt: -    return Hexagon::JMP_cNot; - -  case Hexagon::JMPR_cdnPt_V3: -    return Hexagon::JMPR_cPt; - -  case Hexagon::JMPR_cdnNotPt_V3: -    return Hexagon::JMPR_cNotPt; - -  // Load double word - -  case Hexagon::LDrid_cdnPt : -    return Hexagon::LDrid_cPt; - -  case Hexagon::LDrid_cdnNotPt : -    return Hexagon::LDrid_cNotPt; - -  case Hexagon::LDrid_indexed_cdnPt : -    return Hexagon::LDrid_indexed_cPt; - -  case Hexagon::LDrid_indexed_cdnNotPt : -    return Hexagon::LDrid_indexed_cNotPt; - -  case Hexagon::POST_LDrid_cdnPt_V4 : -    return Hexagon::POST_LDrid_cPt; - -  case Hexagon::POST_LDrid_cdnNotPt_V4 : -    return Hexagon::POST_LDrid_cNotPt; - -  // Load word - -  case Hexagon::LDriw_cdnPt : -    return Hexagon::LDriw_cPt; - -  case Hexagon::LDriw_cdnNotPt : -    return Hexagon::LDriw_cNotPt; - -  case Hexagon::LDriw_indexed_cdnPt : -    return Hexagon::LDriw_indexed_cPt; - -  case Hexagon::LDriw_indexed_cdnNotPt : -    return Hexagon::LDriw_indexed_cNotPt; - -  case Hexagon::POST_LDriw_cdnPt_V4 : -    return Hexagon::POST_LDriw_cPt; - -  case Hexagon::POST_LDriw_cdnNotPt_V4 : -    return Hexagon::POST_LDriw_cNotPt; - -  // Load half - -  case Hexagon::LDrih_cdnPt : -    return Hexagon::LDrih_cPt; - -  case Hexagon::LDrih_cdnNotPt : -    return Hexagon::LDrih_cNotPt; - -  case Hexagon::LDrih_indexed_cdnPt : -    return Hexagon::LDrih_indexed_cPt; - -  case Hexagon::LDrih_indexed_cdnNotPt : -    return Hexagon::LDrih_indexed_cNotPt; - -  case Hexagon::POST_LDrih_cdnPt_V4 : -    return Hexagon::POST_LDrih_cPt; - -  case Hexagon::POST_LDrih_cdnNotPt_V4 : -    return Hexagon::POST_LDrih_cNotPt; - -  // Load byte - -  case Hexagon::LDrib_cdnPt : -    return Hexagon::LDrib_cPt; - -  case Hexagon::LDrib_cdnNotPt : -    return Hexagon::LDrib_cNotPt; - -  case Hexagon::LDrib_indexed_cdnPt : -    return Hexagon::LDrib_indexed_cPt; - -  case Hexagon::LDrib_indexed_cdnNotPt : -    return Hexagon::LDrib_indexed_cNotPt; - -  case Hexagon::POST_LDrib_cdnPt_V4 : -    return Hexagon::POST_LDrib_cPt; - -  case Hexagon::POST_LDrib_cdnNotPt_V4 : -    return Hexagon::POST_LDrib_cNotPt; - -  // Load unsigned half - -  case Hexagon::LDriuh_cdnPt : -    return Hexagon::LDriuh_cPt; - -  case Hexagon::LDriuh_cdnNotPt : -    return Hexagon::LDriuh_cNotPt; - -  case Hexagon::LDriuh_indexed_cdnPt : -    return Hexagon::LDriuh_indexed_cPt; - -  case Hexagon::LDriuh_indexed_cdnNotPt : -    return Hexagon::LDriuh_indexed_cNotPt; - -  case Hexagon::POST_LDriuh_cdnPt_V4 : -    return Hexagon::POST_LDriuh_cPt; - -  case Hexagon::POST_LDriuh_cdnNotPt_V4 : -    return Hexagon::POST_LDriuh_cNotPt; - -  // Load unsigned byte -  case Hexagon::LDriub_cdnPt : -    return Hexagon::LDriub_cPt; - -  case Hexagon::LDriub_cdnNotPt : -    return Hexagon::LDriub_cNotPt; - -  case Hexagon::LDriub_indexed_cdnPt : -    return Hexagon::LDriub_indexed_cPt; - -  case Hexagon::LDriub_indexed_cdnNotPt : -    return Hexagon::LDriub_indexed_cNotPt; - -  case Hexagon::POST_LDriub_cdnPt_V4 : -    return Hexagon::POST_LDriub_cPt; - -  case Hexagon::POST_LDriub_cdnNotPt_V4 : -    return Hexagon::POST_LDriub_cNotPt; - -  // V4 indexed+scaled Load - -  case Hexagon::LDrid_indexed_cdnPt_V4 : -    return Hexagon::LDrid_indexed_cPt_V4; - -  case Hexagon::LDrid_indexed_cdnNotPt_V4 : -    return Hexagon::LDrid_indexed_cNotPt_V4; - -  case Hexagon::LDrid_indexed_shl_cdnPt_V4 : -    return Hexagon::LDrid_indexed_shl_cPt_V4; - -  case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDrid_indexed_shl_cNotPt_V4; - -  case Hexagon::LDrib_indexed_cdnPt_V4 : -    return Hexagon::LDrib_indexed_cPt_V4; - -  case Hexagon::LDrib_indexed_cdnNotPt_V4 : -    return Hexagon::LDrib_indexed_cNotPt_V4; - -  case Hexagon::LDrib_indexed_shl_cdnPt_V4 : -    return Hexagon::LDrib_indexed_shl_cPt_V4; - -  case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDrib_indexed_shl_cNotPt_V4; - -  case Hexagon::LDriub_indexed_cdnPt_V4 : -    return Hexagon::LDriub_indexed_cPt_V4; - -  case Hexagon::LDriub_indexed_cdnNotPt_V4 : -    return Hexagon::LDriub_indexed_cNotPt_V4; - -  case Hexagon::LDriub_indexed_shl_cdnPt_V4 : -    return Hexagon::LDriub_indexed_shl_cPt_V4; - -  case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDriub_indexed_shl_cNotPt_V4; - -  case Hexagon::LDrih_indexed_cdnPt_V4 : -    return Hexagon::LDrih_indexed_cPt_V4; - -  case Hexagon::LDrih_indexed_cdnNotPt_V4 : -    return Hexagon::LDrih_indexed_cNotPt_V4; - -  case Hexagon::LDrih_indexed_shl_cdnPt_V4 : -    return Hexagon::LDrih_indexed_shl_cPt_V4; - -  case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDrih_indexed_shl_cNotPt_V4; - -  case Hexagon::LDriuh_indexed_cdnPt_V4 : -    return Hexagon::LDriuh_indexed_cPt_V4; - -  case Hexagon::LDriuh_indexed_cdnNotPt_V4 : -    return Hexagon::LDriuh_indexed_cNotPt_V4; - -  case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : -    return Hexagon::LDriuh_indexed_shl_cPt_V4; - -  case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDriuh_indexed_shl_cNotPt_V4; - -  case Hexagon::LDriw_indexed_cdnPt_V4 : -    return Hexagon::LDriw_indexed_cPt_V4; - -  case Hexagon::LDriw_indexed_cdnNotPt_V4 : -    return Hexagon::LDriw_indexed_cNotPt_V4; - -  case Hexagon::LDriw_indexed_shl_cdnPt_V4 : -    return Hexagon::LDriw_indexed_shl_cPt_V4; - -  case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : -    return Hexagon::LDriw_indexed_shl_cNotPt_V4; - -  // V4 global address load - -  case Hexagon::LDd_GP_cdnPt_V4: -    return Hexagon::LDd_GP_cPt_V4; - -  case Hexagon::LDd_GP_cdnNotPt_V4: -    return Hexagon::LDd_GP_cNotPt_V4; - -  case Hexagon::LDb_GP_cdnPt_V4: -    return Hexagon::LDb_GP_cPt_V4; - -  case Hexagon::LDb_GP_cdnNotPt_V4: -    return Hexagon::LDb_GP_cNotPt_V4; - -  case Hexagon::LDub_GP_cdnPt_V4: -    return Hexagon::LDub_GP_cPt_V4; - -  case Hexagon::LDub_GP_cdnNotPt_V4: -    return Hexagon::LDub_GP_cNotPt_V4; - -  case Hexagon::LDh_GP_cdnPt_V4: -    return Hexagon::LDh_GP_cPt_V4; - -  case Hexagon::LDh_GP_cdnNotPt_V4: -    return Hexagon::LDh_GP_cNotPt_V4; - -  case Hexagon::LDuh_GP_cdnPt_V4: -    return Hexagon::LDuh_GP_cPt_V4; - -  case Hexagon::LDuh_GP_cdnNotPt_V4: -    return Hexagon::LDuh_GP_cNotPt_V4; - -  case Hexagon::LDw_GP_cdnPt_V4: -    return Hexagon::LDw_GP_cPt_V4; - -  case Hexagon::LDw_GP_cdnNotPt_V4: -    return Hexagon::LDw_GP_cNotPt_V4; - -  case Hexagon::LDrid_GP_cdnPt_V4: -    return Hexagon::LDrid_GP_cPt_V4; - -  case Hexagon::LDrid_GP_cdnNotPt_V4: -    return Hexagon::LDrid_GP_cNotPt_V4; - -  case Hexagon::LDrib_GP_cdnPt_V4: -    return Hexagon::LDrib_GP_cPt_V4; - -  case Hexagon::LDrib_GP_cdnNotPt_V4: -    return Hexagon::LDrib_GP_cNotPt_V4; - -  case Hexagon::LDriub_GP_cdnPt_V4: -    return Hexagon::LDriub_GP_cPt_V4; - -  case Hexagon::LDriub_GP_cdnNotPt_V4: -    return Hexagon::LDriub_GP_cNotPt_V4; - -  case Hexagon::LDrih_GP_cdnPt_V4: -    return Hexagon::LDrih_GP_cPt_V4; - -  case Hexagon::LDrih_GP_cdnNotPt_V4: -    return Hexagon::LDrih_GP_cNotPt_V4; - -  case Hexagon::LDriuh_GP_cdnPt_V4: -    return Hexagon::LDriuh_GP_cPt_V4; - -  case Hexagon::LDriuh_GP_cdnNotPt_V4: -    return Hexagon::LDriuh_GP_cNotPt_V4; - -  case Hexagon::LDriw_GP_cdnPt_V4: -    return Hexagon::LDriw_GP_cPt_V4; - -  case Hexagon::LDriw_GP_cdnNotPt_V4: -    return Hexagon::LDriw_GP_cNotPt_V4; - -  // Conditional add - -  case Hexagon::ADD_ri_cdnPt : -    return Hexagon::ADD_ri_cPt; -  case Hexagon::ADD_ri_cdnNotPt : -    return Hexagon::ADD_ri_cNotPt; - -  case Hexagon::ADD_rr_cdnPt : -    return Hexagon::ADD_rr_cPt; -  case Hexagon::ADD_rr_cdnNotPt: -    return Hexagon::ADD_rr_cNotPt; - -  // Conditional logical Operations - -  case Hexagon::XOR_rr_cdnPt : -    return Hexagon::XOR_rr_cPt; -  case Hexagon::XOR_rr_cdnNotPt : -    return Hexagon::XOR_rr_cNotPt; - -  case Hexagon::AND_rr_cdnPt : -    return Hexagon::AND_rr_cPt; -  case Hexagon::AND_rr_cdnNotPt : -    return Hexagon::AND_rr_cNotPt; - -  case Hexagon::OR_rr_cdnPt : -    return Hexagon::OR_rr_cPt; -  case Hexagon::OR_rr_cdnNotPt : -    return Hexagon::OR_rr_cNotPt; - -  // Conditional Subtract - -  case Hexagon::SUB_rr_cdnPt : -    return Hexagon::SUB_rr_cPt; -  case Hexagon::SUB_rr_cdnNotPt : -    return Hexagon::SUB_rr_cNotPt; - -  // Conditional combine - -  case Hexagon::COMBINE_rr_cdnPt : -    return Hexagon::COMBINE_rr_cPt; -  case Hexagon::COMBINE_rr_cdnNotPt : -    return Hexagon::COMBINE_rr_cNotPt; - -// Conditional shift operations - -  case Hexagon::ASLH_cdnPt_V4 : -    return Hexagon::ASLH_cPt_V4; -  case Hexagon::ASLH_cdnNotPt_V4 : -    return Hexagon::ASLH_cNotPt_V4; - -  case Hexagon::ASRH_cdnPt_V4 : -    return Hexagon::ASRH_cPt_V4; -  case Hexagon::ASRH_cdnNotPt_V4 : -    return Hexagon::ASRH_cNotPt_V4; - -  case Hexagon::SXTB_cdnPt_V4 : -    return Hexagon::SXTB_cPt_V4; -  case Hexagon::SXTB_cdnNotPt_V4 : -    return Hexagon::SXTB_cNotPt_V4; - -  case Hexagon::SXTH_cdnPt_V4 : -    return Hexagon::SXTH_cPt_V4; -  case Hexagon::SXTH_cdnNotPt_V4 : -    return Hexagon::SXTH_cNotPt_V4; - -  case Hexagon::ZXTB_cdnPt_V4 : -    return Hexagon::ZXTB_cPt_V4; -  case Hexagon::ZXTB_cdnNotPt_V4 : -    return Hexagon::ZXTB_cNotPt_V4; - -  case Hexagon::ZXTH_cdnPt_V4 : -    return Hexagon::ZXTH_cPt_V4; -  case Hexagon::ZXTH_cdnNotPt_V4 : -    return Hexagon::ZXTH_cNotPt_V4; - -  // Store byte - -  case Hexagon::STrib_imm_cdnPt_V4 : -    return Hexagon::STrib_imm_cPt_V4; - -  case Hexagon::STrib_imm_cdnNotPt_V4 : -    return Hexagon::STrib_imm_cNotPt_V4; - -  case Hexagon::STrib_cdnPt_nv_V4 : -  case Hexagon::STrib_cPt_nv_V4 : -  case Hexagon::STrib_cdnPt_V4 : -    return Hexagon::STrib_cPt; - -  case Hexagon::STrib_cdnNotPt_nv_V4 : -  case Hexagon::STrib_cNotPt_nv_V4 : -  case Hexagon::STrib_cdnNotPt_V4 : -    return Hexagon::STrib_cNotPt; - -  case Hexagon::STrib_indexed_cdnPt_V4 : -  case Hexagon::STrib_indexed_cPt_nv_V4 : -  case Hexagon::STrib_indexed_cdnPt_nv_V4 : -    return Hexagon::STrib_indexed_cPt; - -  case Hexagon::STrib_indexed_cdnNotPt_V4 : -  case Hexagon::STrib_indexed_cNotPt_nv_V4 : -  case Hexagon::STrib_indexed_cdnNotPt_nv_V4 : -    return Hexagon::STrib_indexed_cNotPt; - -  case Hexagon::STrib_indexed_shl_cdnPt_nv_V4: -  case Hexagon::STrib_indexed_shl_cPt_nv_V4 : -  case Hexagon::STrib_indexed_shl_cdnPt_V4 : -    return Hexagon::STrib_indexed_shl_cPt_V4; - -  case Hexagon::STrib_indexed_shl_cdnNotPt_nv_V4: -  case Hexagon::STrib_indexed_shl_cNotPt_nv_V4 : -  case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : -    return Hexagon::STrib_indexed_shl_cNotPt_V4; - -  case Hexagon::POST_STbri_cdnPt_nv_V4 : -  case Hexagon::POST_STbri_cPt_nv_V4 : -  case Hexagon::POST_STbri_cdnPt_V4 : -    return Hexagon::POST_STbri_cPt; - -  case Hexagon::POST_STbri_cdnNotPt_nv_V4 : -  case Hexagon::POST_STbri_cNotPt_nv_V4: -  case Hexagon::POST_STbri_cdnNotPt_V4 : -    return Hexagon::POST_STbri_cNotPt; - -  case Hexagon::STb_GP_cdnPt_nv_V4: -  case Hexagon::STb_GP_cdnPt_V4: -  case Hexagon::STb_GP_cPt_nv_V4: -    return Hexagon::STb_GP_cPt_V4; - -  case Hexagon::STb_GP_cdnNotPt_nv_V4: -  case Hexagon::STb_GP_cdnNotPt_V4: -  case Hexagon::STb_GP_cNotPt_nv_V4: -    return Hexagon::STb_GP_cNotPt_V4; - -  case Hexagon::STrib_GP_cdnPt_nv_V4: -  case Hexagon::STrib_GP_cdnPt_V4: -  case Hexagon::STrib_GP_cPt_nv_V4: -    return Hexagon::STrib_GP_cPt_V4; - -  case Hexagon::STrib_GP_cdnNotPt_nv_V4: -  case Hexagon::STrib_GP_cdnNotPt_V4: -  case Hexagon::STrib_GP_cNotPt_nv_V4: -    return Hexagon::STrib_GP_cNotPt_V4; - -  // Store new-value byte - unconditional -  case Hexagon::STrib_nv_V4: -    return Hexagon::STrib; - -  case Hexagon::STrib_indexed_nv_V4: -    return Hexagon::STrib_indexed; - -  case Hexagon::STrib_indexed_shl_nv_V4: -    return Hexagon::STrib_indexed_shl_V4; - -  case Hexagon::STrib_shl_nv_V4: -    return Hexagon::STrib_shl_V4; - -  case Hexagon::STrib_GP_nv_V4: -    return Hexagon::STrib_GP_V4; - -  case Hexagon::STb_GP_nv_V4: -    return Hexagon::STb_GP_V4; - -  case Hexagon::POST_STbri_nv_V4: -    return Hexagon::POST_STbri; - -  // Store halfword -  case Hexagon::STrih_imm_cdnPt_V4 : -    return Hexagon::STrih_imm_cPt_V4; - -  case Hexagon::STrih_imm_cdnNotPt_V4 : -    return Hexagon::STrih_imm_cNotPt_V4; - -  case Hexagon::STrih_cdnPt_nv_V4 : -  case Hexagon::STrih_cPt_nv_V4 : -  case Hexagon::STrih_cdnPt_V4 : -    return Hexagon::STrih_cPt; - -  case Hexagon::STrih_cdnNotPt_nv_V4 : -  case Hexagon::STrih_cNotPt_nv_V4 : -  case Hexagon::STrih_cdnNotPt_V4 : -    return Hexagon::STrih_cNotPt; - -  case Hexagon::STrih_indexed_cdnPt_nv_V4: -  case Hexagon::STrih_indexed_cPt_nv_V4 : -  case Hexagon::STrih_indexed_cdnPt_V4 : -    return Hexagon::STrih_indexed_cPt; - -  case Hexagon::STrih_indexed_cdnNotPt_nv_V4: -  case Hexagon::STrih_indexed_cNotPt_nv_V4 : -  case Hexagon::STrih_indexed_cdnNotPt_V4 : -    return Hexagon::STrih_indexed_cNotPt; - -  case Hexagon::STrih_indexed_shl_cdnPt_nv_V4 : -  case Hexagon::STrih_indexed_shl_cPt_nv_V4 : -  case Hexagon::STrih_indexed_shl_cdnPt_V4 : -    return Hexagon::STrih_indexed_shl_cPt_V4; - -  case Hexagon::STrih_indexed_shl_cdnNotPt_nv_V4 : -  case Hexagon::STrih_indexed_shl_cNotPt_nv_V4 : -  case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : -    return Hexagon::STrih_indexed_shl_cNotPt_V4; - -  case Hexagon::POST_SThri_cdnPt_nv_V4 : -  case Hexagon::POST_SThri_cPt_nv_V4 : -  case Hexagon::POST_SThri_cdnPt_V4 : -    return Hexagon::POST_SThri_cPt; - -  case Hexagon::POST_SThri_cdnNotPt_nv_V4 : -  case Hexagon::POST_SThri_cNotPt_nv_V4 : -  case Hexagon::POST_SThri_cdnNotPt_V4 : -    return Hexagon::POST_SThri_cNotPt; - -  case Hexagon::STh_GP_cdnPt_nv_V4: -  case Hexagon::STh_GP_cdnPt_V4: -  case Hexagon::STh_GP_cPt_nv_V4: -    return Hexagon::STh_GP_cPt_V4; - -  case Hexagon::STh_GP_cdnNotPt_nv_V4: -  case Hexagon::STh_GP_cdnNotPt_V4: -  case Hexagon::STh_GP_cNotPt_nv_V4: -    return Hexagon::STh_GP_cNotPt_V4; - -  case Hexagon::STrih_GP_cdnPt_nv_V4: -  case Hexagon::STrih_GP_cdnPt_V4: -  case Hexagon::STrih_GP_cPt_nv_V4: -    return Hexagon::STrih_GP_cPt_V4; - -  case Hexagon::STrih_GP_cdnNotPt_nv_V4: -  case Hexagon::STrih_GP_cdnNotPt_V4: -  case Hexagon::STrih_GP_cNotPt_nv_V4: -    return Hexagon::STrih_GP_cNotPt_V4; - -  // Store new-value halfword - unconditional - -  case Hexagon::STrih_nv_V4: -    return Hexagon::STrih; - -  case Hexagon::STrih_indexed_nv_V4: -    return Hexagon::STrih_indexed; - -  case Hexagon::STrih_indexed_shl_nv_V4: -    return Hexagon::STrih_indexed_shl_V4; - -  case Hexagon::STrih_shl_nv_V4: -    return Hexagon::STrih_shl_V4; - -  case Hexagon::STrih_GP_nv_V4: -    return Hexagon::STrih_GP_V4; - -  case Hexagon::STh_GP_nv_V4: -    return Hexagon::STh_GP_V4; - -  case Hexagon::POST_SThri_nv_V4: -    return Hexagon::POST_SThri; - -   // Store word - -   case Hexagon::STriw_imm_cdnPt_V4 : -    return Hexagon::STriw_imm_cPt_V4; - -  case Hexagon::STriw_imm_cdnNotPt_V4 : -    return Hexagon::STriw_imm_cNotPt_V4; - -  case Hexagon::STriw_cdnPt_nv_V4 : -  case Hexagon::STriw_cPt_nv_V4 : -  case Hexagon::STriw_cdnPt_V4 : -    return Hexagon::STriw_cPt; - -  case Hexagon::STriw_cdnNotPt_nv_V4 : -  case Hexagon::STriw_cNotPt_nv_V4 : -  case Hexagon::STriw_cdnNotPt_V4 : -    return Hexagon::STriw_cNotPt; - -  case Hexagon::STriw_indexed_cdnPt_nv_V4 : -  case Hexagon::STriw_indexed_cPt_nv_V4 : -  case Hexagon::STriw_indexed_cdnPt_V4 : -    return Hexagon::STriw_indexed_cPt; - -  case Hexagon::STriw_indexed_cdnNotPt_nv_V4 : -  case Hexagon::STriw_indexed_cNotPt_nv_V4 : -  case Hexagon::STriw_indexed_cdnNotPt_V4 : -    return Hexagon::STriw_indexed_cNotPt; - -  case Hexagon::STriw_indexed_shl_cdnPt_nv_V4 : -  case Hexagon::STriw_indexed_shl_cPt_nv_V4 : -  case Hexagon::STriw_indexed_shl_cdnPt_V4 : -    return Hexagon::STriw_indexed_shl_cPt_V4; - -  case Hexagon::STriw_indexed_shl_cdnNotPt_nv_V4 : -  case Hexagon::STriw_indexed_shl_cNotPt_nv_V4 : -  case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : -    return Hexagon::STriw_indexed_shl_cNotPt_V4; - -  case Hexagon::POST_STwri_cdnPt_nv_V4 : -  case Hexagon::POST_STwri_cPt_nv_V4 : -  case Hexagon::POST_STwri_cdnPt_V4 : -    return Hexagon::POST_STwri_cPt; - -  case Hexagon::POST_STwri_cdnNotPt_nv_V4 : -  case Hexagon::POST_STwri_cNotPt_nv_V4 : -  case Hexagon::POST_STwri_cdnNotPt_V4 : -    return Hexagon::POST_STwri_cNotPt; - -  case Hexagon::STw_GP_cdnPt_nv_V4: -  case Hexagon::STw_GP_cdnPt_V4: -  case Hexagon::STw_GP_cPt_nv_V4: -    return Hexagon::STw_GP_cPt_V4; - -  case Hexagon::STw_GP_cdnNotPt_nv_V4: -  case Hexagon::STw_GP_cdnNotPt_V4: -  case Hexagon::STw_GP_cNotPt_nv_V4: -    return Hexagon::STw_GP_cNotPt_V4; - -  case Hexagon::STriw_GP_cdnPt_nv_V4: -  case Hexagon::STriw_GP_cdnPt_V4: -  case Hexagon::STriw_GP_cPt_nv_V4: -    return Hexagon::STriw_GP_cPt_V4; - -  case Hexagon::STriw_GP_cdnNotPt_nv_V4: -  case Hexagon::STriw_GP_cdnNotPt_V4: -  case Hexagon::STriw_GP_cNotPt_nv_V4: -    return Hexagon::STriw_GP_cNotPt_V4; - -  // Store new-value word - unconditional - -  case Hexagon::STriw_nv_V4: -    return Hexagon::STriw; - -  case Hexagon::STriw_indexed_nv_V4: -    return Hexagon::STriw_indexed; - -  case Hexagon::STriw_indexed_shl_nv_V4: -    return Hexagon::STriw_indexed_shl_V4; - -  case Hexagon::STriw_shl_nv_V4: -    return Hexagon::STriw_shl_V4; - -  case Hexagon::STriw_GP_nv_V4: -    return Hexagon::STriw_GP_V4; - -  case Hexagon::STw_GP_nv_V4: -    return Hexagon::STw_GP_V4; - -  case Hexagon::POST_STwri_nv_V4: -    return Hexagon::POST_STwri; - - // Store doubleword - -  case Hexagon::STrid_cdnPt_V4 : -    return Hexagon::STrid_cPt; - -  case Hexagon::STrid_cdnNotPt_V4 : -    return Hexagon::STrid_cNotPt; - -  case Hexagon::STrid_indexed_cdnPt_V4 : -    return Hexagon::STrid_indexed_cPt; - -  case Hexagon::STrid_indexed_cdnNotPt_V4 : -    return Hexagon::STrid_indexed_cNotPt; - -  case Hexagon::STrid_indexed_shl_cdnPt_V4 : -    return Hexagon::STrid_indexed_shl_cPt_V4; - -  case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : -    return Hexagon::STrid_indexed_shl_cNotPt_V4; - -  case Hexagon::POST_STdri_cdnPt_V4 : -    return Hexagon::POST_STdri_cPt; - -  case Hexagon::POST_STdri_cdnNotPt_V4 : -    return Hexagon::POST_STdri_cNotPt; - -  case Hexagon::STd_GP_cdnPt_V4 : -    return Hexagon::STd_GP_cPt_V4; - -  case Hexagon::STd_GP_cdnNotPt_V4 : -    return Hexagon::STd_GP_cNotPt_V4; - -  case Hexagon::STrid_GP_cdnPt_V4 : -    return Hexagon::STrid_GP_cPt_V4; - -  case Hexagon::STrid_GP_cdnNotPt_V4 : -    return Hexagon::STrid_GP_cNotPt_V4; -  } -} - -bool HexagonPacketizerList::DemoteToDotOld(MachineInstr* MI) { -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  int NewOpcode = GetDotOldOp(MI->getOpcode()); -  MI->setDesc(QII->get(NewOpcode)); -  return true; -} - -// Returns true if an instruction is predicated on p0 and false if it's -// predicated on !p0. - -static bool GetPredicateSense(MachineInstr* MI, -                              const HexagonInstrInfo *QII) { - -  switch (MI->getOpcode()) { -  case Hexagon::TFR_cPt: -  case Hexagon::TFR_cdnPt: -  case Hexagon::TFRI_cPt: -  case Hexagon::TFRI_cdnPt: -  case Hexagon::STrib_cPt : -  case Hexagon::STrib_cdnPt_V4 : -  case Hexagon::STrib_indexed_cPt : -  case Hexagon::STrib_indexed_cdnPt_V4 : -  case Hexagon::STrib_indexed_shl_cPt_V4 : -  case Hexagon::STrib_indexed_shl_cdnPt_V4 : -  case Hexagon::POST_STbri_cPt : -  case Hexagon::POST_STbri_cdnPt_V4 : -  case Hexagon::STrih_cPt : -  case Hexagon::STrih_cdnPt_V4 : -  case Hexagon::STrih_indexed_cPt : -  case Hexagon::STrih_indexed_cdnPt_V4 : -  case Hexagon::STrih_indexed_shl_cPt_V4 : -  case Hexagon::STrih_indexed_shl_cdnPt_V4 : -  case Hexagon::POST_SThri_cPt : -  case Hexagon::POST_SThri_cdnPt_V4 : -  case Hexagon::STriw_cPt : -  case Hexagon::STriw_cdnPt_V4 : -  case Hexagon::STriw_indexed_cPt : -  case Hexagon::STriw_indexed_cdnPt_V4 : -  case Hexagon::STriw_indexed_shl_cPt_V4 : -  case Hexagon::STriw_indexed_shl_cdnPt_V4 : -  case Hexagon::POST_STwri_cPt : -  case Hexagon::POST_STwri_cdnPt_V4 : -  case Hexagon::STrib_imm_cPt_V4 : -  case Hexagon::STrib_imm_cdnPt_V4 : -  case Hexagon::STrid_cPt : -  case Hexagon::STrid_cdnPt_V4 : -  case Hexagon::STrid_indexed_cPt : -  case Hexagon::STrid_indexed_cdnPt_V4 : -  case Hexagon::STrid_indexed_shl_cPt_V4 : -  case Hexagon::STrid_indexed_shl_cdnPt_V4 : -  case Hexagon::POST_STdri_cPt : -  case Hexagon::POST_STdri_cdnPt_V4 : -  case Hexagon::STrih_imm_cPt_V4 : -  case Hexagon::STrih_imm_cdnPt_V4 : -  case Hexagon::STriw_imm_cPt_V4 : -  case Hexagon::STriw_imm_cdnPt_V4 : -  case Hexagon::JMP_cdnPt : -  case Hexagon::LDrid_cPt : -  case Hexagon::LDrid_cdnPt : -  case Hexagon::LDrid_indexed_cPt : -  case Hexagon::LDrid_indexed_cdnPt : -  case Hexagon::POST_LDrid_cPt : -  case Hexagon::POST_LDrid_cdnPt_V4 : -  case Hexagon::LDriw_cPt : -  case Hexagon::LDriw_cdnPt : -  case Hexagon::LDriw_indexed_cPt : -  case Hexagon::LDriw_indexed_cdnPt : -  case Hexagon::POST_LDriw_cPt : -  case Hexagon::POST_LDriw_cdnPt_V4 : -  case Hexagon::LDrih_cPt : -  case Hexagon::LDrih_cdnPt : -  case Hexagon::LDrih_indexed_cPt : -  case Hexagon::LDrih_indexed_cdnPt : -  case Hexagon::POST_LDrih_cPt : -  case Hexagon::POST_LDrih_cdnPt_V4 : -  case Hexagon::LDrib_cPt : -  case Hexagon::LDrib_cdnPt : -  case Hexagon::LDrib_indexed_cPt : -  case Hexagon::LDrib_indexed_cdnPt : -  case Hexagon::POST_LDrib_cPt : -  case Hexagon::POST_LDrib_cdnPt_V4 : -  case Hexagon::LDriuh_cPt : -  case Hexagon::LDriuh_cdnPt : -  case Hexagon::LDriuh_indexed_cPt : -  case Hexagon::LDriuh_indexed_cdnPt : -  case Hexagon::POST_LDriuh_cPt : -  case Hexagon::POST_LDriuh_cdnPt_V4 : -  case Hexagon::LDriub_cPt : -  case Hexagon::LDriub_cdnPt : -  case Hexagon::LDriub_indexed_cPt : -  case Hexagon::LDriub_indexed_cdnPt : -  case Hexagon::POST_LDriub_cPt : -  case Hexagon::POST_LDriub_cdnPt_V4 : -  case Hexagon::LDrid_indexed_cPt_V4 : -  case Hexagon::LDrid_indexed_cdnPt_V4 : -  case Hexagon::LDrid_indexed_shl_cPt_V4 : -  case Hexagon::LDrid_indexed_shl_cdnPt_V4 : -  case Hexagon::LDrib_indexed_cPt_V4 : -  case Hexagon::LDrib_indexed_cdnPt_V4 : -  case Hexagon::LDrib_indexed_shl_cPt_V4 : -  case Hexagon::LDrib_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriub_indexed_cPt_V4 : -  case Hexagon::LDriub_indexed_cdnPt_V4 : -  case Hexagon::LDriub_indexed_shl_cPt_V4 : -  case Hexagon::LDriub_indexed_shl_cdnPt_V4 : -  case Hexagon::LDrih_indexed_cPt_V4 : -  case Hexagon::LDrih_indexed_cdnPt_V4 : -  case Hexagon::LDrih_indexed_shl_cPt_V4 : -  case Hexagon::LDrih_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriuh_indexed_cPt_V4 : -  case Hexagon::LDriuh_indexed_cdnPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriw_indexed_cPt_V4 : -  case Hexagon::LDriw_indexed_cdnPt_V4 : -  case Hexagon::LDriw_indexed_shl_cPt_V4 : -  case Hexagon::LDriw_indexed_shl_cdnPt_V4 : -  case Hexagon::ADD_ri_cPt : -  case Hexagon::ADD_ri_cdnPt : -  case Hexagon::ADD_rr_cPt : -  case Hexagon::ADD_rr_cdnPt : -  case Hexagon::XOR_rr_cPt : -  case Hexagon::XOR_rr_cdnPt : -  case Hexagon::AND_rr_cPt : -  case Hexagon::AND_rr_cdnPt : -  case Hexagon::OR_rr_cPt : -  case Hexagon::OR_rr_cdnPt : -  case Hexagon::SUB_rr_cPt : -  case Hexagon::SUB_rr_cdnPt : -  case Hexagon::COMBINE_rr_cPt : -  case Hexagon::COMBINE_rr_cdnPt : -  case Hexagon::ASLH_cPt_V4 : -  case Hexagon::ASLH_cdnPt_V4 : -  case Hexagon::ASRH_cPt_V4 : -  case Hexagon::ASRH_cdnPt_V4 : -  case Hexagon::SXTB_cPt_V4 : -  case Hexagon::SXTB_cdnPt_V4 : -  case Hexagon::SXTH_cPt_V4 : -  case Hexagon::SXTH_cdnPt_V4 : -  case Hexagon::ZXTB_cPt_V4 : -  case Hexagon::ZXTB_cdnPt_V4 : -  case Hexagon::ZXTH_cPt_V4 : -  case Hexagon::ZXTH_cdnPt_V4 : -  case Hexagon::LDrid_GP_cPt_V4 : -  case Hexagon::LDrib_GP_cPt_V4 : -  case Hexagon::LDriub_GP_cPt_V4 : -  case Hexagon::LDrih_GP_cPt_V4 : -  case Hexagon::LDriuh_GP_cPt_V4 : -  case Hexagon::LDriw_GP_cPt_V4 : -  case Hexagon::LDd_GP_cPt_V4 : -  case Hexagon::LDb_GP_cPt_V4 : -  case Hexagon::LDub_GP_cPt_V4 : -  case Hexagon::LDh_GP_cPt_V4 : -  case Hexagon::LDuh_GP_cPt_V4 : -  case Hexagon::LDw_GP_cPt_V4 : -  case Hexagon::STrid_GP_cPt_V4 : -  case Hexagon::STrib_GP_cPt_V4 : -  case Hexagon::STrih_GP_cPt_V4 : -  case Hexagon::STriw_GP_cPt_V4 : -  case Hexagon::STd_GP_cPt_V4 : -  case Hexagon::STb_GP_cPt_V4 : -  case Hexagon::STh_GP_cPt_V4 : -  case Hexagon::STw_GP_cPt_V4 : -  case Hexagon::LDrid_GP_cdnPt_V4 : -  case Hexagon::LDrib_GP_cdnPt_V4 : -  case Hexagon::LDriub_GP_cdnPt_V4 : -  case Hexagon::LDrih_GP_cdnPt_V4 : -  case Hexagon::LDriuh_GP_cdnPt_V4 : -  case Hexagon::LDriw_GP_cdnPt_V4 : -  case Hexagon::LDd_GP_cdnPt_V4 : -  case Hexagon::LDb_GP_cdnPt_V4 : -  case Hexagon::LDub_GP_cdnPt_V4 : -  case Hexagon::LDh_GP_cdnPt_V4 : -  case Hexagon::LDuh_GP_cdnPt_V4 : -  case Hexagon::LDw_GP_cdnPt_V4 : -  case Hexagon::STrid_GP_cdnPt_V4 : -  case Hexagon::STrib_GP_cdnPt_V4 : -  case Hexagon::STrih_GP_cdnPt_V4 : -  case Hexagon::STriw_GP_cdnPt_V4 : -  case Hexagon::STd_GP_cdnPt_V4 : -  case Hexagon::STb_GP_cdnPt_V4 : -  case Hexagon::STh_GP_cdnPt_V4 : -  case Hexagon::STw_GP_cdnPt_V4 : -    return true; - -  case Hexagon::TFR_cNotPt: -  case Hexagon::TFR_cdnNotPt: -  case Hexagon::TFRI_cNotPt: -  case Hexagon::TFRI_cdnNotPt: -  case Hexagon::STrib_cNotPt : -  case Hexagon::STrib_cdnNotPt_V4 : -  case Hexagon::STrib_indexed_cNotPt : -  case Hexagon::STrib_indexed_cdnNotPt_V4 : -  case Hexagon::STrib_indexed_shl_cNotPt_V4 : -  case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_STbri_cNotPt : -  case Hexagon::POST_STbri_cdnNotPt_V4 : -  case Hexagon::STrih_cNotPt : -  case Hexagon::STrih_cdnNotPt_V4 : -  case Hexagon::STrih_indexed_cNotPt : -  case Hexagon::STrih_indexed_cdnNotPt_V4 : -  case Hexagon::STrih_indexed_shl_cNotPt_V4 : -  case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_SThri_cNotPt : -  case Hexagon::POST_SThri_cdnNotPt_V4 : -  case Hexagon::STriw_cNotPt : -  case Hexagon::STriw_cdnNotPt_V4 : -  case Hexagon::STriw_indexed_cNotPt : -  case Hexagon::STriw_indexed_cdnNotPt_V4 : -  case Hexagon::STriw_indexed_shl_cNotPt_V4 : -  case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_STwri_cNotPt : -  case Hexagon::POST_STwri_cdnNotPt_V4 : -  case Hexagon::STrib_imm_cNotPt_V4 : -  case Hexagon::STrib_imm_cdnNotPt_V4 : -  case Hexagon::STrid_cNotPt : -  case Hexagon::STrid_cdnNotPt_V4 : -  case Hexagon::STrid_indexed_cdnNotPt_V4 : -  case Hexagon::STrid_indexed_cNotPt : -  case Hexagon::STrid_indexed_shl_cNotPt_V4 : -  case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_STdri_cNotPt : -  case Hexagon::POST_STdri_cdnNotPt_V4 : -  case Hexagon::STrih_imm_cNotPt_V4 : -  case Hexagon::STrih_imm_cdnNotPt_V4 : -  case Hexagon::STriw_imm_cNotPt_V4 : -  case Hexagon::STriw_imm_cdnNotPt_V4 : -  case Hexagon::JMP_cdnNotPt : -  case Hexagon::LDrid_cNotPt : -  case Hexagon::LDrid_cdnNotPt : -  case Hexagon::LDrid_indexed_cNotPt : -  case Hexagon::LDrid_indexed_cdnNotPt : -  case Hexagon::POST_LDrid_cNotPt : -  case Hexagon::POST_LDrid_cdnNotPt_V4 : -  case Hexagon::LDriw_cNotPt : -  case Hexagon::LDriw_cdnNotPt : -  case Hexagon::LDriw_indexed_cNotPt : -  case Hexagon::LDriw_indexed_cdnNotPt : -  case Hexagon::POST_LDriw_cNotPt : -  case Hexagon::POST_LDriw_cdnNotPt_V4 : -  case Hexagon::LDrih_cNotPt : -  case Hexagon::LDrih_cdnNotPt : -  case Hexagon::LDrih_indexed_cNotPt : -  case Hexagon::LDrih_indexed_cdnNotPt : -  case Hexagon::POST_LDrih_cNotPt : -  case Hexagon::POST_LDrih_cdnNotPt_V4 : -  case Hexagon::LDrib_cNotPt : -  case Hexagon::LDrib_cdnNotPt : -  case Hexagon::LDrib_indexed_cNotPt : -  case Hexagon::LDrib_indexed_cdnNotPt : -  case Hexagon::POST_LDrib_cNotPt : -  case Hexagon::POST_LDrib_cdnNotPt_V4 : -  case Hexagon::LDriuh_cNotPt : -  case Hexagon::LDriuh_cdnNotPt : -  case Hexagon::LDriuh_indexed_cNotPt : -  case Hexagon::LDriuh_indexed_cdnNotPt : -  case Hexagon::POST_LDriuh_cNotPt : -  case Hexagon::POST_LDriuh_cdnNotPt_V4 : -  case Hexagon::LDriub_cNotPt : -  case Hexagon::LDriub_cdnNotPt : -  case Hexagon::LDriub_indexed_cNotPt : -  case Hexagon::LDriub_indexed_cdnNotPt : -  case Hexagon::POST_LDriub_cNotPt : -  case Hexagon::POST_LDriub_cdnNotPt_V4 : -  case Hexagon::LDrid_indexed_cNotPt_V4 : -  case Hexagon::LDrid_indexed_cdnNotPt_V4 : -  case Hexagon::LDrid_indexed_shl_cNotPt_V4 : -  case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDrib_indexed_cNotPt_V4 : -  case Hexagon::LDrib_indexed_cdnNotPt_V4 : -  case Hexagon::LDrib_indexed_shl_cNotPt_V4 : -  case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriub_indexed_cNotPt_V4 : -  case Hexagon::LDriub_indexed_cdnNotPt_V4 : -  case Hexagon::LDriub_indexed_shl_cNotPt_V4 : -  case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDrih_indexed_cNotPt_V4 : -  case Hexagon::LDrih_indexed_cdnNotPt_V4 : -  case Hexagon::LDrih_indexed_shl_cNotPt_V4 : -  case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriuh_indexed_cNotPt_V4 : -  case Hexagon::LDriuh_indexed_cdnNotPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cNotPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriw_indexed_cNotPt_V4 : -  case Hexagon::LDriw_indexed_cdnNotPt_V4 : -  case Hexagon::LDriw_indexed_shl_cNotPt_V4 : -  case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : -  case Hexagon::ADD_ri_cNotPt : -  case Hexagon::ADD_ri_cdnNotPt : -  case Hexagon::ADD_rr_cNotPt : -  case Hexagon::ADD_rr_cdnNotPt : -  case Hexagon::XOR_rr_cNotPt : -  case Hexagon::XOR_rr_cdnNotPt : -  case Hexagon::AND_rr_cNotPt : -  case Hexagon::AND_rr_cdnNotPt : -  case Hexagon::OR_rr_cNotPt : -  case Hexagon::OR_rr_cdnNotPt : -  case Hexagon::SUB_rr_cNotPt : -  case Hexagon::SUB_rr_cdnNotPt : -  case Hexagon::COMBINE_rr_cNotPt : -  case Hexagon::COMBINE_rr_cdnNotPt : -  case Hexagon::ASLH_cNotPt_V4 : -  case Hexagon::ASLH_cdnNotPt_V4 : -  case Hexagon::ASRH_cNotPt_V4 : -  case Hexagon::ASRH_cdnNotPt_V4 : -  case Hexagon::SXTB_cNotPt_V4 : -  case Hexagon::SXTB_cdnNotPt_V4 : -  case Hexagon::SXTH_cNotPt_V4 : -  case Hexagon::SXTH_cdnNotPt_V4 : -  case Hexagon::ZXTB_cNotPt_V4 : -  case Hexagon::ZXTB_cdnNotPt_V4 : -  case Hexagon::ZXTH_cNotPt_V4 : -  case Hexagon::ZXTH_cdnNotPt_V4 : - -  case Hexagon::LDrid_GP_cNotPt_V4 : -  case Hexagon::LDrib_GP_cNotPt_V4 : -  case Hexagon::LDriub_GP_cNotPt_V4 : -  case Hexagon::LDrih_GP_cNotPt_V4 : -  case Hexagon::LDriuh_GP_cNotPt_V4 : -  case Hexagon::LDriw_GP_cNotPt_V4 : -  case Hexagon::LDd_GP_cNotPt_V4 : -  case Hexagon::LDb_GP_cNotPt_V4 : -  case Hexagon::LDub_GP_cNotPt_V4 : -  case Hexagon::LDh_GP_cNotPt_V4 : -  case Hexagon::LDuh_GP_cNotPt_V4 : -  case Hexagon::LDw_GP_cNotPt_V4 : -  case Hexagon::STrid_GP_cNotPt_V4 : -  case Hexagon::STrib_GP_cNotPt_V4 : -  case Hexagon::STrih_GP_cNotPt_V4 : -  case Hexagon::STriw_GP_cNotPt_V4 : -  case Hexagon::STd_GP_cNotPt_V4 : -  case Hexagon::STb_GP_cNotPt_V4 : -  case Hexagon::STh_GP_cNotPt_V4 : -  case Hexagon::STw_GP_cNotPt_V4 : -  case Hexagon::LDrid_GP_cdnNotPt_V4 : -  case Hexagon::LDrib_GP_cdnNotPt_V4 : -  case Hexagon::LDriub_GP_cdnNotPt_V4 : -  case Hexagon::LDrih_GP_cdnNotPt_V4 : -  case Hexagon::LDriuh_GP_cdnNotPt_V4 : -  case Hexagon::LDriw_GP_cdnNotPt_V4 : -  case Hexagon::LDd_GP_cdnNotPt_V4 : -  case Hexagon::LDb_GP_cdnNotPt_V4 : -  case Hexagon::LDub_GP_cdnNotPt_V4 : -  case Hexagon::LDh_GP_cdnNotPt_V4 : -  case Hexagon::LDuh_GP_cdnNotPt_V4 : -  case Hexagon::LDw_GP_cdnNotPt_V4 : -  case Hexagon::STrid_GP_cdnNotPt_V4 : -  case Hexagon::STrib_GP_cdnNotPt_V4 : -  case Hexagon::STrih_GP_cdnNotPt_V4 : -  case Hexagon::STriw_GP_cdnNotPt_V4 : -  case Hexagon::STd_GP_cdnNotPt_V4 : -  case Hexagon::STb_GP_cdnNotPt_V4 : -  case Hexagon::STh_GP_cdnNotPt_V4 : -  case Hexagon::STw_GP_cdnNotPt_V4 : -    return false; - -  default: -    assert (false && "Unknown predicate sense of the instruction"); -  } -  // return *some value* to avoid compiler warning -  return false; -} - -bool HexagonPacketizerList::isDotNewInst(MachineInstr* MI) { -  if (isNewValueInst(MI)) -    return true; - -  switch (MI->getOpcode()) { -  case Hexagon::TFR_cdnNotPt: -  case Hexagon::TFR_cdnPt: -  case Hexagon::TFRI_cdnNotPt: -  case Hexagon::TFRI_cdnPt: -  case Hexagon::LDrid_cdnPt : -  case Hexagon::LDrid_cdnNotPt : -  case Hexagon::LDrid_indexed_cdnPt : -  case Hexagon::LDrid_indexed_cdnNotPt : -  case Hexagon::POST_LDrid_cdnPt_V4 : -  case Hexagon::POST_LDrid_cdnNotPt_V4 : -  case Hexagon::LDriw_cdnPt : -  case Hexagon::LDriw_cdnNotPt : -  case Hexagon::LDriw_indexed_cdnPt : -  case Hexagon::LDriw_indexed_cdnNotPt : -  case Hexagon::POST_LDriw_cdnPt_V4 : -  case Hexagon::POST_LDriw_cdnNotPt_V4 : -  case Hexagon::LDrih_cdnPt : -  case Hexagon::LDrih_cdnNotPt : -  case Hexagon::LDrih_indexed_cdnPt : -  case Hexagon::LDrih_indexed_cdnNotPt : -  case Hexagon::POST_LDrih_cdnPt_V4 : -  case Hexagon::POST_LDrih_cdnNotPt_V4 : -  case Hexagon::LDrib_cdnPt : -  case Hexagon::LDrib_cdnNotPt : -  case Hexagon::LDrib_indexed_cdnPt : -  case Hexagon::LDrib_indexed_cdnNotPt : -  case Hexagon::POST_LDrib_cdnPt_V4 : -  case Hexagon::POST_LDrib_cdnNotPt_V4 : -  case Hexagon::LDriuh_cdnPt : -  case Hexagon::LDriuh_cdnNotPt : -  case Hexagon::LDriuh_indexed_cdnPt : -  case Hexagon::LDriuh_indexed_cdnNotPt : -  case Hexagon::POST_LDriuh_cdnPt_V4 : -  case Hexagon::POST_LDriuh_cdnNotPt_V4 : -  case Hexagon::LDriub_cdnPt : -  case Hexagon::LDriub_cdnNotPt : -  case Hexagon::LDriub_indexed_cdnPt : -  case Hexagon::LDriub_indexed_cdnNotPt : -  case Hexagon::POST_LDriub_cdnPt_V4 : -  case Hexagon::POST_LDriub_cdnNotPt_V4 : - -  case Hexagon::LDrid_indexed_cdnPt_V4 : -  case Hexagon::LDrid_indexed_cdnNotPt_V4 : -  case Hexagon::LDrid_indexed_shl_cdnPt_V4 : -  case Hexagon::LDrid_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDrib_indexed_cdnPt_V4 : -  case Hexagon::LDrib_indexed_cdnNotPt_V4 : -  case Hexagon::LDrib_indexed_shl_cdnPt_V4 : -  case Hexagon::LDrib_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriub_indexed_cdnPt_V4 : -  case Hexagon::LDriub_indexed_cdnNotPt_V4 : -  case Hexagon::LDriub_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriub_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDrih_indexed_cdnPt_V4 : -  case Hexagon::LDrih_indexed_cdnNotPt_V4 : -  case Hexagon::LDrih_indexed_shl_cdnPt_V4 : -  case Hexagon::LDrih_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriuh_indexed_cdnPt_V4 : -  case Hexagon::LDriuh_indexed_cdnNotPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriuh_indexed_shl_cdnNotPt_V4 : -  case Hexagon::LDriw_indexed_cdnPt_V4 : -  case Hexagon::LDriw_indexed_cdnNotPt_V4 : -  case Hexagon::LDriw_indexed_shl_cdnPt_V4 : -  case Hexagon::LDriw_indexed_shl_cdnNotPt_V4 : - -// Coditional add -  case Hexagon::ADD_ri_cdnPt: -  case Hexagon::ADD_ri_cdnNotPt: -  case Hexagon::ADD_rr_cdnPt: -  case Hexagon::ADD_rr_cdnNotPt: - -  // Conditional logical operations -  case Hexagon::XOR_rr_cdnPt : -  case Hexagon::XOR_rr_cdnNotPt : -  case Hexagon::AND_rr_cdnPt : -  case Hexagon::AND_rr_cdnNotPt : -  case Hexagon::OR_rr_cdnPt : -  case Hexagon::OR_rr_cdnNotPt : - -  // Conditonal subtract -  case Hexagon::SUB_rr_cdnPt : -  case Hexagon::SUB_rr_cdnNotPt : - -  // Conditional combine -  case Hexagon::COMBINE_rr_cdnPt : -  case Hexagon::COMBINE_rr_cdnNotPt : - -  // Conditional shift operations -  case Hexagon::ASLH_cdnPt_V4: -  case Hexagon::ASLH_cdnNotPt_V4: -  case Hexagon::ASRH_cdnPt_V4: -  case Hexagon::ASRH_cdnNotPt_V4: -  case Hexagon::SXTB_cdnPt_V4: -  case Hexagon::SXTB_cdnNotPt_V4: -  case Hexagon::SXTH_cdnPt_V4: -  case Hexagon::SXTH_cdnNotPt_V4: -  case Hexagon::ZXTB_cdnPt_V4: -  case Hexagon::ZXTB_cdnNotPt_V4: -  case Hexagon::ZXTH_cdnPt_V4: -  case Hexagon::ZXTH_cdnNotPt_V4: - -  // Conditional stores -  case Hexagon::STrib_imm_cdnPt_V4 : -  case Hexagon::STrib_imm_cdnNotPt_V4 : -  case Hexagon::STrib_cdnPt_V4 : -  case Hexagon::STrib_cdnNotPt_V4 : -  case Hexagon::STrib_indexed_cdnPt_V4 : -  case Hexagon::STrib_indexed_cdnNotPt_V4 : -  case Hexagon::POST_STbri_cdnPt_V4 : -  case Hexagon::POST_STbri_cdnNotPt_V4 : -  case Hexagon::STrib_indexed_shl_cdnPt_V4 : -  case Hexagon::STrib_indexed_shl_cdnNotPt_V4 : - -  // Store doubleword conditionally -  case Hexagon::STrid_indexed_cdnPt_V4 : -  case Hexagon::STrid_indexed_cdnNotPt_V4 : -  case Hexagon::STrid_indexed_shl_cdnPt_V4 : -  case Hexagon::STrid_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_STdri_cdnPt_V4 : -  case Hexagon::POST_STdri_cdnNotPt_V4 : - -  // Store halfword conditionally -  case Hexagon::STrih_cdnPt_V4 : -  case Hexagon::STrih_cdnNotPt_V4 : -  case Hexagon::STrih_indexed_cdnPt_V4 : -  case Hexagon::STrih_indexed_cdnNotPt_V4 : -  case Hexagon::STrih_imm_cdnPt_V4 : -  case Hexagon::STrih_imm_cdnNotPt_V4 : -  case Hexagon::STrih_indexed_shl_cdnPt_V4 : -  case Hexagon::STrih_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_SThri_cdnPt_V4 : -  case Hexagon::POST_SThri_cdnNotPt_V4 : - -  // Store word conditionally -  case Hexagon::STriw_cdnPt_V4 : -  case Hexagon::STriw_cdnNotPt_V4 : -  case Hexagon::STriw_indexed_cdnPt_V4 : -  case Hexagon::STriw_indexed_cdnNotPt_V4 : -  case Hexagon::STriw_imm_cdnPt_V4 : -  case Hexagon::STriw_imm_cdnNotPt_V4 : -  case Hexagon::STriw_indexed_shl_cdnPt_V4 : -  case Hexagon::STriw_indexed_shl_cdnNotPt_V4 : -  case Hexagon::POST_STwri_cdnPt_V4 : -  case Hexagon::POST_STwri_cdnNotPt_V4 : - -  case Hexagon::LDd_GP_cdnPt_V4: -  case Hexagon::LDd_GP_cdnNotPt_V4: -  case Hexagon::LDb_GP_cdnPt_V4: -  case Hexagon::LDb_GP_cdnNotPt_V4: -  case Hexagon::LDub_GP_cdnPt_V4: -  case Hexagon::LDub_GP_cdnNotPt_V4: -  case Hexagon::LDh_GP_cdnPt_V4: -  case Hexagon::LDh_GP_cdnNotPt_V4: -  case Hexagon::LDuh_GP_cdnPt_V4: -  case Hexagon::LDuh_GP_cdnNotPt_V4: -  case Hexagon::LDw_GP_cdnPt_V4: -  case Hexagon::LDw_GP_cdnNotPt_V4: -  case Hexagon::LDrid_GP_cdnPt_V4: -  case Hexagon::LDrid_GP_cdnNotPt_V4: -  case Hexagon::LDrib_GP_cdnPt_V4: -  case Hexagon::LDrib_GP_cdnNotPt_V4: -  case Hexagon::LDriub_GP_cdnPt_V4: -  case Hexagon::LDriub_GP_cdnNotPt_V4: -  case Hexagon::LDrih_GP_cdnPt_V4: -  case Hexagon::LDrih_GP_cdnNotPt_V4: -  case Hexagon::LDriuh_GP_cdnPt_V4: -  case Hexagon::LDriuh_GP_cdnNotPt_V4: -  case Hexagon::LDriw_GP_cdnPt_V4: -  case Hexagon::LDriw_GP_cdnNotPt_V4: - -  case Hexagon::STrid_GP_cdnPt_V4: -  case Hexagon::STrid_GP_cdnNotPt_V4: -  case Hexagon::STrib_GP_cdnPt_V4: -  case Hexagon::STrib_GP_cdnNotPt_V4: -  case Hexagon::STrih_GP_cdnPt_V4: -  case Hexagon::STrih_GP_cdnNotPt_V4: -  case Hexagon::STriw_GP_cdnPt_V4: -  case Hexagon::STriw_GP_cdnNotPt_V4: -  case Hexagon::STd_GP_cdnPt_V4: -  case Hexagon::STd_GP_cdnNotPt_V4: -  case Hexagon::STb_GP_cdnPt_V4: -  case Hexagon::STb_GP_cdnNotPt_V4: -  case Hexagon::STh_GP_cdnPt_V4: -  case Hexagon::STh_GP_cdnNotPt_V4: -  case Hexagon::STw_GP_cdnPt_V4: -  case Hexagon::STw_GP_cdnNotPt_V4: - -    return true; -  } -  return false; -} - -static MachineOperand& GetPostIncrementOperand(MachineInstr *MI, -                                               const HexagonInstrInfo *QII) { -  assert(QII->isPostIncrement(MI) && "Not a post increment operation."); -#ifndef NDEBUG -  // Post Increment means duplicates. Use dense map to find duplicates in the -  // list. Caution: Densemap initializes with the minimum of 64 buckets, -  // whereas there are at most 5 operands in the post increment. -  DenseMap<unsigned,  unsigned> DefRegsSet; -  for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) -    if (MI->getOperand(opNum).isReg() && -        MI->getOperand(opNum).isDef()) { -      DefRegsSet[MI->getOperand(opNum).getReg()] = 1; -    } - -  for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) -    if (MI->getOperand(opNum).isReg() && -        MI->getOperand(opNum).isUse()) { -      if (DefRegsSet[MI->getOperand(opNum).getReg()]) { -        return MI->getOperand(opNum); -      } -    } -#else -  if (MI->getDesc().mayLoad()) { -    // The 2nd operand is always the post increment operand in load. -    assert(MI->getOperand(1).isReg() && -                "Post increment operand has be to a register."); -    return (MI->getOperand(1)); -  } -  if (MI->getDesc().mayStore()) { -    // The 1st operand is always the post increment operand in store. -    assert(MI->getOperand(0).isReg() && -                "Post increment operand has be to a register."); -    return (MI->getOperand(0)); -  } -#endif -  // we should never come here. -  llvm_unreachable("mayLoad or mayStore not set for Post Increment operation"); -} - -// get the value being stored -static MachineOperand& GetStoreValueOperand(MachineInstr *MI) { -  // value being stored is always the last operand. -  return (MI->getOperand(MI->getNumOperands()-1)); -} - -// can be new value store? -// Following restrictions are to be respected in convert a store into -// a new value store. -// 1. If an instruction uses auto-increment, its address register cannot -//    be a new-value register. Arch Spec 5.4.2.1 -// 2. If an instruction uses absolute-set addressing mode, -//    its address register cannot be a new-value register. -//    Arch Spec 5.4.2.1.TODO: This is not enabled as -//    as absolute-set address mode patters are not implemented. -// 3. If an instruction produces a 64-bit result, its registers cannot be used -//    as new-value registers. Arch Spec 5.4.2.2. -// 4. If the instruction that sets a new-value register is conditional, then -//    the instruction that uses the new-value register must also be conditional, -//    and both must always have their predicates evaluate identically. -//    Arch Spec 5.4.2.3. -// 5. There is an implied restriction of a packet can not have another store, -//    if there is a  new value store in the packet. Corollary, if there is -//    already a store in a packet, there can not be a new value store. -//    Arch Spec: 3.4.4.2 -bool HexagonPacketizerList::CanPromoteToNewValueStore( MachineInstr *MI, -                MachineInstr *PacketMI, unsigned DepReg, -                std::map <MachineInstr*, SUnit*> MIToSUnit) -{ -  // Make sure we are looking at the store -  if (!IsNewifyStore(MI)) -    return false; - -  // Make sure there is dependency and can be new value'ed -  if (GetStoreValueOperand(MI).isReg() && -      GetStoreValueOperand(MI).getReg() != DepReg) -    return false; - -  const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); -  const MCInstrDesc& MCID = PacketMI->getDesc(); -  // first operand is always the result - -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  const TargetRegisterClass* PacketRC = QII->getRegClass(MCID, 0, QRI); - -  // if there is already an store in the packet, no can do new value store -  // Arch Spec 3.4.4.2. -  for (std::vector<MachineInstr*>::iterator VI = CurrentPacketMIs.begin(), -         VE = CurrentPacketMIs.end(); -       (VI != VE); ++VI) { -    SUnit* PacketSU = MIToSUnit[*VI]; -    if (PacketSU->getInstr()->getDesc().mayStore() || -        // if we have mayStore = 1 set on ALLOCFRAME and DEALLOCFRAME, -        // then we don't need this -        PacketSU->getInstr()->getOpcode() == Hexagon::ALLOCFRAME || -        PacketSU->getInstr()->getOpcode() == Hexagon::DEALLOCFRAME) -      return false; -  } - -  if (PacketRC == Hexagon::DoubleRegsRegisterClass) { -    // new value store constraint: double regs can not feed into new value store -    // arch spec section: 5.4.2.2 -    return false; -  } - -  // Make sure it's NOT the post increment register that we are going to -  // new value. -  if (QII->isPostIncrement(MI) && -      MI->getDesc().mayStore() && -      GetPostIncrementOperand(MI, QII).getReg() == DepReg) { -    return false; -  } - -  if (QII->isPostIncrement(PacketMI) && -      PacketMI->getDesc().mayLoad() && -      GetPostIncrementOperand(PacketMI, QII).getReg() == DepReg) { -    // if source is post_inc, or absolute-set addressing, -    // it can not feed into new value store -    //  r3 = memw(r2++#4) -    //  memw(r30 + #-1404) = r2.new -> can not be new value store -    // arch spec section: 5.4.2.1 -    return false; -  } - -  // If the source that feeds the store is predicated, new value store must also be -  // also predicated. -  if (QII->isPredicated(PacketMI)) { -    if (!QII->isPredicated(MI)) -      return false; - -    // Check to make sure that they both will have their predicates -    // evaluate identically -    unsigned predRegNumSrc; -    unsigned predRegNumDst; -    const TargetRegisterClass* predRegClass; - -    // Get predicate register used in the source instruction -    for(unsigned opNum = 0; opNum < PacketMI->getNumOperands(); opNum++) { -      if ( PacketMI->getOperand(opNum).isReg()) -      predRegNumSrc = PacketMI->getOperand(opNum).getReg(); -      predRegClass = QRI->getMinimalPhysRegClass(predRegNumSrc); -      if (predRegClass == Hexagon::PredRegsRegisterClass) { -        break; -      } -    } -    assert ((predRegClass == Hexagon::PredRegsRegisterClass ) && -        ("predicate register not found in a predicated PacketMI instruction")); - -    // Get predicate register used in new-value store instruction -    for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) { -      if ( MI->getOperand(opNum).isReg()) -      predRegNumDst = MI->getOperand(opNum).getReg(); -      predRegClass = QRI->getMinimalPhysRegClass(predRegNumDst); -      if (predRegClass == Hexagon::PredRegsRegisterClass) { -        break; -      } -    } -    assert ((predRegClass == Hexagon::PredRegsRegisterClass ) && -            ("predicate register not found in a predicated MI instruction")); - -    // New-value register producer and user (store) need to satisfy these -    // constraints: -    // 1) Both instructions should be predicated on the same register. -    // 2) If producer of the new-value register is .new predicated then store -    // should also be .new predicated and if producer is not .new predicated -    // then store should not be .new predicated. -    // 3) Both new-value register producer and user should have same predicate -    // sense, i.e, either both should be negated or both should be none negated. - -    if (( predRegNumDst != predRegNumSrc) || -          isDotNewInst(PacketMI) != isDotNewInst(MI)  || -          GetPredicateSense(MI, QII) != GetPredicateSense(PacketMI, QII)) { -      return false; -    } -  } - -  // Make sure that other than the new-value register no other store instruction -  // register has been modified in the same packet. Predicate registers can be -  // modified by they should not be modified between the producer and the store -  // instruction as it will make them both conditional on different values. -  // We already know this to be true for all the instructions before and -  // including PacketMI. Howerver, we need to perform the check for the -  // remaining instructions in the packet. - -  std::vector<MachineInstr*>::iterator VI; -  std::vector<MachineInstr*>::iterator VE; -  unsigned StartCheck = 0; - -  for (VI=CurrentPacketMIs.begin(), VE = CurrentPacketMIs.end(); -      (VI != VE); ++VI) { -    SUnit* TempSU = MIToSUnit[*VI]; -    MachineInstr* TempMI = TempSU->getInstr(); - -    // Following condition is true for all the instructions until PacketMI is -    // reached (StartCheck is set to 0 before the for loop). -    // StartCheck flag is 1 for all the instructions after PacketMI. -    if (TempMI != PacketMI && !StartCheck) // start processing only after -      continue;                            // encountering PacketMI - -    StartCheck = 1; -    if (TempMI == PacketMI) // We don't want to check PacketMI for dependence -      continue; - -    for(unsigned opNum = 0; opNum < MI->getNumOperands(); opNum++) { -      if (MI->getOperand(opNum).isReg() && -          TempSU->getInstr()->modifiesRegister(MI->getOperand(opNum).getReg(), QRI)) -        return false; -    } -  } - -  // Make sure that for non POST_INC stores: -  // 1. The only use of reg is DepReg and no other registers. -  //    This handles V4 base+index registers. -  //    The following store can not be dot new. -  //    Eg.   r0 = add(r0, #3)a -  //          memw(r1+r0<<#2) = r0 -  if (!QII->isPostIncrement(MI) && -      GetStoreValueOperand(MI).isReg() && -      GetStoreValueOperand(MI).getReg() == DepReg) { -    for(unsigned opNum = 0; opNum < MI->getNumOperands()-1; opNum++) { -      if (MI->getOperand(opNum).isReg() && -          MI->getOperand(opNum).getReg() == DepReg) { -        return false; -      } -    } -    // 2. If data definition is because of implicit definition of the register, -    //    do not newify the store. Eg. -    //    %R9<def> = ZXTH %R12, %D6<imp-use>, %R12<imp-def> -    //    STrih_indexed %R8, 2, %R12<kill>; mem:ST2[%scevgep343] -    for(unsigned opNum = 0; opNum < PacketMI->getNumOperands(); opNum++) { -      if (PacketMI->getOperand(opNum).isReg() && -          PacketMI->getOperand(opNum).getReg() == DepReg && -          PacketMI->getOperand(opNum).isDef() && -          PacketMI->getOperand(opNum).isImplicit()) { -        return false; -      } -    } -  } - -  // Can be dot new store. -  return true; -} - -// can this MI to promoted to either -// new value store or new value jump -bool HexagonPacketizerList::CanPromoteToNewValue( MachineInstr *MI, -                SUnit *PacketSU, unsigned DepReg, -                std::map <MachineInstr*, SUnit*> MIToSUnit, -                MachineBasicBlock::iterator &MII) -{ - -  const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); -  if (!QRI->Subtarget.hasV4TOps() || -      !IsNewifyStore(MI)) -    return false; - -  MachineInstr *PacketMI = PacketSU->getInstr(); - -  // Check to see the store can be new value'ed. -  if (CanPromoteToNewValueStore(MI, PacketMI, DepReg, MIToSUnit)) -    return true; - -  // Check to see the compare/jump can be new value'ed. -  // This is done as a pass on its own. Don't need to check it here. -  return false; -} - -// Check to see if an instruction can be dot new -// There are three kinds. -// 1. dot new on predicate - V2/V3/V4 -// 2. dot new on stores NV/ST - V4 -// 3. dot new on jump NV/J - V4 -- This is generated in a pass. -bool HexagonPacketizerList::CanPromoteToDotNew( MachineInstr *MI, -                              SUnit *PacketSU, unsigned DepReg, -                              std::map <MachineInstr*, SUnit*> MIToSUnit, -                              MachineBasicBlock::iterator &MII, -                              const TargetRegisterClass* RC ) -{ -  // already a dot new instruction -  if (isDotNewInst(MI) && !IsNewifyStore(MI)) -    return false; - -  if (!isNewifiable(MI)) -    return false; - -  // predicate .new -  if (RC == Hexagon::PredRegsRegisterClass && isCondInst(MI)) -      return true; -  else if (RC != Hexagon::PredRegsRegisterClass && -      !IsNewifyStore(MI)) // MI is not a new-value store -    return false; -  else { -    // Create a dot new machine instruction to see if resources can be -    // allocated. If not, bail out now. -    const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -    int NewOpcode = GetDotNewOp(MI->getOpcode()); -    const MCInstrDesc &desc = QII->get(NewOpcode); -    DebugLoc dl; -    MachineInstr *NewMI = MI->getParent()->getParent()->CreateMachineInstr(desc, dl); -    bool ResourcesAvailable = ResourceTracker->canReserveResources(NewMI); -    MI->getParent()->getParent()->DeleteMachineInstr(NewMI); - -    if (!ResourcesAvailable) -      return false; - -    // new value store only -    // new new value jump generated as a passes -    if (!CanPromoteToNewValue(MI, PacketSU, DepReg, MIToSUnit, MII)) { -      return false; -    } -  } -  return true; -} - -// Go through the packet instructions and search for anti dependency -// between them and DepReg from MI -// Consider this case: -// Trying to add -// a) %R1<def> = TFRI_cdNotPt %P3, 2 -// to this packet: -// { -//   b) %P0<def> = OR_pp %P3<kill>, %P0<kill> -//   c) %P3<def> = TFR_PdRs %R23 -//   d) %R1<def> = TFRI_cdnPt %P3, 4 -//  } -// The P3 from a) and d) will be complements after -// a)'s P3 is converted to .new form -// Anti Dep between c) and b) is irrelevant for this case -bool HexagonPacketizerList::RestrictingDepExistInPacket (MachineInstr* MI, -      unsigned DepReg, -      std::map <MachineInstr*, SUnit*> MIToSUnit) { - -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  SUnit* PacketSUDep = MIToSUnit[MI]; - -  for (std::vector<MachineInstr*>::iterator VIN = CurrentPacketMIs.begin(), -       VEN = CurrentPacketMIs.end(); (VIN != VEN); ++VIN) { - -    // We only care for dependencies to predicated instructions -    if(!QII->isPredicated(*VIN)) continue; - -    // Scheduling Unit for current insn in the packet -    SUnit* PacketSU = MIToSUnit[*VIN]; - -    // Look at dependencies between current members of the packet -    // and predicate defining instruction MI. -    // Make sure that dependency is on the exact register -    // we care about. -    if (PacketSU->isSucc(PacketSUDep)) { -      for (unsigned i = 0; i < PacketSU->Succs.size(); ++i) { -        if ((PacketSU->Succs[i].getSUnit() == PacketSUDep) && -            (PacketSU->Succs[i].getKind() == SDep::Anti) && -            (PacketSU->Succs[i].getReg() == DepReg)) { -          return true; -        } -      } -    } -  } - -  return false; -} - - -// Given two predicated instructions, this function detects whether -// the predicates are complements -bool HexagonPacketizerList::ArePredicatesComplements (MachineInstr* MI1, -     MachineInstr* MI2, std::map <MachineInstr*, SUnit*> MIToSUnit) { - -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; -  // Currently can only reason about conditional transfers -  if (!QII->isConditionalTransfer(MI1) || !QII->isConditionalTransfer(MI2)) { -    return false; -  } - -  // Scheduling unit for candidate -  SUnit* SU = MIToSUnit[MI1]; - -  // One corner case deals with the following scenario: -  // Trying to add -  // a) %R24<def> = TFR_cPt %P0, %R25 -  // to this packet: -  // -  // { -  //   b) %R25<def> = TFR_cNotPt %P0, %R24 -  //   c) %P0<def> = CMPEQri %R26, 1 -  // } -  // -  // On general check a) and b) are complements, but -  // presence of c) will convert a) to .new form, and -  // then it is not a complement -  // We attempt to detect it by analyzing  existing -  // dependencies in the packet - -  // Analyze relationships between all existing members of the packet. -  // Look for Anti dependecy on the same predicate reg -  // as used in the candidate -  for (std::vector<MachineInstr*>::iterator VIN = CurrentPacketMIs.begin(), -       VEN = CurrentPacketMIs.end(); (VIN != VEN); ++VIN) { - -    // Scheduling Unit for current insn in the packet -    SUnit* PacketSU = MIToSUnit[*VIN]; - -    // If this instruction in the packet is succeeded by the candidate... -    if (PacketSU->isSucc(SU)) { -      for (unsigned i = 0; i < PacketSU->Succs.size(); ++i) { -        // The corner case exist when there is true data -        // dependency between candidate and one of current -        // packet members, this dep is on predicate reg, and -        // there already exist anti dep on the same pred in -        // the packet. -        if (PacketSU->Succs[i].getSUnit() == SU && -            Hexagon::PredRegsRegisterClass->contains( -              PacketSU->Succs[i].getReg()) && -            PacketSU->Succs[i].getKind() == SDep::Data && -            // Here I know that *VIN is predicate setting instruction -            // with true data dep to candidate on the register -            // we care about - c) in the above example. -            // Now I need to see if there is an anti dependency -            // from c) to any other instruction in the -            // same packet on the pred reg of interest -            RestrictingDepExistInPacket(*VIN,PacketSU->Succs[i].getReg(), -                                        MIToSUnit)) { -           return false; -        } -      } -    } -  } - -  // If the above case does not apply, check regular -  // complement condition. -  // Check that the predicate register is the same and -  // that the predicate sense is different -  // We also need to differentiate .old vs. .new: -  // !p0 is not complimentary to p0.new -  return ((MI1->getOperand(1).getReg() == MI2->getOperand(1).getReg()) && -          (GetPredicateSense(MI1, QII) != GetPredicateSense(MI2, QII)) && -          (isDotNewInst(MI1) == isDotNewInst(MI2))); -} - -// initPacketizerState - Initialize packetizer flags -void HexagonPacketizerList::initPacketizerState() { - -  Dependence = false; -  PromotedToDotNew = false; -  GlueToNewValueJump = false; -  GlueAllocframeStore = false; -  FoundSequentialDependence = false; - -  return; -} - -// ignorePseudoInstruction - Ignore bundling of pseudo instructions. -bool HexagonPacketizerList::ignorePseudoInstruction(MachineInstr *MI, -                                                    MachineBasicBlock *MBB) { -  if (MI->isDebugValue()) -    return true; - -  // We must print out inline assembly -  if (MI->isInlineAsm()) -    return false; - -  // We check if MI has any functional units mapped to it. -  // If it doesn't, we ignore the instruction. -  const MCInstrDesc& TID = MI->getDesc(); -  unsigned SchedClass = TID.getSchedClass(); -  const InstrStage* IS = ResourceTracker->getInstrItins()->beginStage(SchedClass); -  unsigned FuncUnits = IS->getUnits(); -  return !FuncUnits; -} - -// isSoloInstruction: - Returns true for instructions that must be -// scheduled in their own packet. -bool HexagonPacketizerList::isSoloInstruction(MachineInstr *MI) { - -  if (MI->isInlineAsm()) -    return true; - -  if (MI->isEHLabel()) -    return true; - -  // From Hexagon V4 Programmer's Reference Manual 3.4.4 Grouping constraints: -  // trap, pause, barrier, icinva, isync, and syncht are solo instructions. -  // They must not be grouped with other instructions in a packet. -  if (IsSchedBarrier(MI)) -    return true; - -  return false; -} - -// isLegalToPacketizeTogether: -// SUI is the current instruction that is out side of the current packet. -// SUJ is the current instruction inside the current packet against which that -// SUI will be packetized. -bool HexagonPacketizerList::isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ) { -  MachineInstr *I = SUI->getInstr(); -  MachineInstr *J = SUJ->getInstr(); -  assert(I && J && "Unable to packetize null instruction!"); - -  const MCInstrDesc &MCIDI = I->getDesc(); -  const MCInstrDesc &MCIDJ = J->getDesc(); - -  MachineBasicBlock::iterator II = I; - -  const unsigned FrameSize = MF.getFrameInfo()->getStackSize(); -  const HexagonRegisterInfo* QRI = (const HexagonRegisterInfo *) TM.getRegisterInfo(); -  const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - -  // Inline asm cannot go in the packet. -  if (I->getOpcode() == Hexagon::INLINEASM) -    llvm_unreachable("Should not meet inline asm here!"); - -  if (isSoloInstruction(I)) -    llvm_unreachable("Should not meet solo instr here!"); - -  // A save callee-save register function call can only be in a packet -  // with instructions that don't write to the callee-save registers. -  if ((QII->isSaveCalleeSavedRegsCall(I) && -       DoesModifyCalleeSavedReg(J, QRI)) || -      (QII->isSaveCalleeSavedRegsCall(J) && -       DoesModifyCalleeSavedReg(I, QRI))) { -    Dependence = true; -    return false; -  } - -  // Two control flow instructions cannot go in the same packet. -  if (IsControlFlow(I) && IsControlFlow(J)) { -    Dependence = true; -    return false; -  } - -  // A LoopN instruction cannot appear in the same packet as a jump or call. -  if (IsLoopN(I) && (   IsDirectJump(J) -                     || MCIDJ.isCall() -                     || QII->isDeallocRet(J))) { -    Dependence = true; -    return false; -  } -  if (IsLoopN(J) && (   IsDirectJump(I) -                     || MCIDI.isCall() -                     || QII->isDeallocRet(I))) { -    Dependence = true; -    return false; -  } - -  // dealloc_return cannot appear in the same packet as a conditional or -  // unconditional jump. -  if (QII->isDeallocRet(I) && (   MCIDJ.isBranch() -                               || MCIDJ.isCall() -                               || MCIDJ.isBarrier())) { -    Dependence = true; -    return false; -  } - - -  // V4 allows dual store. But does not allow second store, if the -  // first store is not in SLOT0. New value store, new value jump, -  // dealloc_return and memop always take SLOT0. -  // Arch spec 3.4.4.2 -  if (QRI->Subtarget.hasV4TOps()) { - -    if (MCIDI.mayStore() && MCIDJ.mayStore() && isNewValueInst(J)) { -      Dependence = true; -      return false; -    } - -    if (   (QII->isMemOp(J) && MCIDI.mayStore()) -        || (MCIDJ.mayStore() && QII->isMemOp(I)) -        || (QII->isMemOp(J) && QII->isMemOp(I))) { -      Dependence = true; -      return false; -    } - -    //if dealloc_return -    if (MCIDJ.mayStore() && QII->isDeallocRet(I)){ -      Dependence = true; -      return false; -    } - -    // If an instruction feeds new value jump, glue it. -    MachineBasicBlock::iterator NextMII = I; -    ++NextMII; -    MachineInstr *NextMI = NextMII; - -    if (QII->isNewValueJump(NextMI)) { - -      bool secondRegMatch = false; -      bool maintainNewValueJump = false; - -      if (NextMI->getOperand(1).isReg() && -          I->getOperand(0).getReg() == NextMI->getOperand(1).getReg()) { -        secondRegMatch = true; -        maintainNewValueJump = true; -      } - -      if (!secondRegMatch && -           I->getOperand(0).getReg() == NextMI->getOperand(0).getReg()) { -        maintainNewValueJump = true; -      } - -      for (std::vector<MachineInstr*>::iterator -            VI = CurrentPacketMIs.begin(), -             VE = CurrentPacketMIs.end(); -           (VI != VE && maintainNewValueJump); ++VI) { -        SUnit* PacketSU = MIToSUnit[*VI]; - -        // NVJ can not be part of the dual jump - Arch Spec: section 7.8 -        if (PacketSU->getInstr()->getDesc().isCall()) { -          Dependence = true; -          break; -        } -        // Validate -        // 1. Packet does not have a store in it. -        // 2. If the first operand of the nvj is newified, and the second -        //    operand is also a reg, it (second reg) is not defined in -        //    the same packet. -        // 3. If the second operand of the nvj is newified, (which means -        //    first operand is also a reg), first reg is not defined in -        //    the same packet. -        if (PacketSU->getInstr()->getDesc().mayStore()               || -            PacketSU->getInstr()->getOpcode() == Hexagon::ALLOCFRAME || -            // Check #2. -            (!secondRegMatch && NextMI->getOperand(1).isReg() && -             PacketSU->getInstr()->modifiesRegister( -                               NextMI->getOperand(1).getReg(), QRI)) || -            // Check #3. -            (secondRegMatch && -             PacketSU->getInstr()->modifiesRegister( -                               NextMI->getOperand(0).getReg(), QRI))) { -          Dependence = true; -          break; -        } -      } -      if (!Dependence) -        GlueToNewValueJump = true; -      else -        return false; -    } -  } - -  if (SUJ->isSucc(SUI)) { -    for (unsigned i = 0; -         (i < SUJ->Succs.size()) && !FoundSequentialDependence; -         ++i) { - -      if (SUJ->Succs[i].getSUnit() != SUI) { -        continue; -      } - -      SDep::Kind DepType = SUJ->Succs[i].getKind(); - -      // For direct calls: -      // Ignore register dependences for call instructions for -      // packetization purposes except for those due to r31 and -      // predicate registers. -      // -      // For indirect calls: -      // Same as direct calls + check for true dependences to the register -      // used in the indirect call. -      // -      // We completely ignore Order dependences for call instructions -      // -      // For returns: -      // Ignore register dependences for return instructions like jumpr, -      // dealloc return unless we have dependencies on the explicit uses -      // of the registers used by jumpr (like r31) or dealloc return -      // (like r29 or r30). -      // -      // TODO: Currently, jumpr is handling only return of r31. So, the -      // following logic (specificaly IsCallDependent) is working fine. -      // We need to enable jumpr for register other than r31 and then, -      // we need to rework the last part, where it handles indirect call -      // of that (IsCallDependent) function. Bug 6216 is opened for this. -      // -      unsigned DepReg; -      const TargetRegisterClass* RC; -      if (DepType == SDep::Data) { -        DepReg = SUJ->Succs[i].getReg(); -        RC = QRI->getMinimalPhysRegClass(DepReg); -      } -      if ((MCIDI.isCall() || MCIDI.isReturn()) && -          (!IsRegDependence(DepType) || -            !IsCallDependent(I, DepType, SUJ->Succs[i].getReg()))) { -        /* do nothing */ -      } - -      // For instructions that can be promoted to dot-new, try to promote. -      else if ((DepType == SDep::Data) && -               CanPromoteToDotNew(I, SUJ, DepReg, MIToSUnit, II, RC) && -               PromoteToDotNew(I, DepType, II, RC)) { -        PromotedToDotNew = true; -        /* do nothing */ -      } - -      else if ((DepType == SDep::Data) && -               (QII->isNewValueJump(I))) { -        /* do nothing */ -      } - -      // For predicated instructions, if the predicates are complements -      // then there can be no dependence. -      else if (QII->isPredicated(I) && -               QII->isPredicated(J) && -          ArePredicatesComplements(I, J, MIToSUnit)) { -        /* do nothing */ - -      } -      else if (IsDirectJump(I) && -               !MCIDJ.isBranch() && -               !MCIDJ.isCall() && -               (DepType == SDep::Order)) { -        // Ignore Order dependences between unconditional direct branches -        // and non-control-flow instructions -        /* do nothing */ -      } -      else if (MCIDI.isConditionalBranch() && (DepType != SDep::Data) && -               (DepType != SDep::Output)) { -        // Ignore all dependences for jumps except for true and output -        // dependences -        /* do nothing */ -      } - -      // Ignore output dependences due to superregs. We can -      // write to two different subregisters of R1:0 for instance -      // in the same cycle -      // - -      // -      // Let the -      // If neither I nor J defines DepReg, then this is a -      // superfluous output dependence. The dependence must be of the -      // form: -      //  R0 = ... -      //  R1 = ... -      // and there is an output dependence between the two instructions -      // with -      // DepReg = D0 -      // We want to ignore these dependences. -      // Ideally, the dependence constructor should annotate such -      // dependences. We can then avoid this relatively expensive check. -      // -      else if (DepType == SDep::Output) { -        // DepReg is the register that's responsible for the dependence. -        unsigned DepReg = SUJ->Succs[i].getReg(); - -        // Check if I and J really defines DepReg. -        if (I->definesRegister(DepReg) || -            J->definesRegister(DepReg)) { -          FoundSequentialDependence = true; -          break; -        } -      } - -      // We ignore Order dependences for -      // 1. Two loads unless they are volatile. -      // 2. Two stores in V4 unless they are volatile. -      else if ((DepType == SDep::Order) && -               !I->hasVolatileMemoryRef() && -               !J->hasVolatileMemoryRef()) { -        if (QRI->Subtarget.hasV4TOps() && -            // hexagonv4 allows dual store. -            MCIDI.mayStore() && MCIDJ.mayStore()) { -          /* do nothing */ -        } -        // store followed by store-- not OK on V2 -        // store followed by load -- not OK on all (OK if addresses -        // are not aliased) -        // load followed by store -- OK on all -        // load followed by load  -- OK on all -        else if ( !MCIDJ.mayStore()) { -          /* do nothing */ -        } -        else { -          FoundSequentialDependence = true; -          break; -        } -      } - -      // For V4, special case ALLOCFRAME. Even though there is dependency -      // between ALLOCAFRAME and subsequent store, allow it to be -      // packetized in a same packet. This implies that the store is using -      // caller's SP. Hense, offset needs to be updated accordingly. -      else if (DepType == SDep::Data -               && QRI->Subtarget.hasV4TOps() -               && J->getOpcode() == Hexagon::ALLOCFRAME -               && (I->getOpcode() == Hexagon::STrid -                   || I->getOpcode() == Hexagon::STriw -                   || I->getOpcode() == Hexagon::STrib) -               && I->getOperand(0).getReg() == QRI->getStackRegister() -               && QII->isValidOffset(I->getOpcode(), -                                     I->getOperand(1).getImm() - -                                     (FrameSize + HEXAGON_LRFP_SIZE))) -      { -        GlueAllocframeStore = true; -        // Since this store is to be glued with allocframe in the same -        // packet, it will use SP of the previous stack frame, i.e -        // caller's SP. Therefore, we need to recalculate offset according -        // to this change. -        I->getOperand(1).setImm(I->getOperand(1).getImm() - -                                        (FrameSize + HEXAGON_LRFP_SIZE)); -      } - -      // -      // Skip over anti-dependences. Two instructions that are -      // anti-dependent can share a packet -      // -      else if (DepType != SDep::Anti) { -        FoundSequentialDependence = true; -        break; -      } -    } - -    if (FoundSequentialDependence) { -      Dependence = true; -      return false; -    } -  } - -  return true; -} - -// isLegalToPruneDependencies -bool HexagonPacketizerList::isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ) { -  MachineInstr *I = SUI->getInstr(); -  assert(I && SUJ->getInstr() && "Unable to packetize null instruction!"); - -  const unsigned FrameSize = MF.getFrameInfo()->getStackSize(); - -  if (Dependence) { - -    // Check if the instruction was promoted to a dot-new. If so, demote it -    // back into a dot-old. -    if (PromotedToDotNew) { -      DemoteToDotOld(I); -    } - -    // Check if the instruction (must be a store) was glued with an Allocframe -    // instruction. If so, restore its offset to its original value, i.e. use -    // curent SP instead of caller's SP. -    if (GlueAllocframeStore) { -      I->getOperand(1).setImm(I->getOperand(1).getImm() + -                                             FrameSize + HEXAGON_LRFP_SIZE); -    } - -    return false; -  } -  return true; -} - -MachineBasicBlock::iterator HexagonPacketizerList::addToPacket(MachineInstr *MI) { - -    MachineBasicBlock::iterator MII = MI; -    MachineBasicBlock *MBB = MI->getParent(); - -    const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII; - -    if (GlueToNewValueJump) { - -      ++MII; -      MachineInstr *nvjMI = MII; -      assert(ResourceTracker->canReserveResources(MI)); -      ResourceTracker->reserveResources(MI); -      if (QII->isExtended(MI) && -          !tryAllocateResourcesForConstExt(MI)) { -        endPacket(MBB, MI); -        ResourceTracker->reserveResources(MI); -        assert(canReserveResourcesForConstExt(MI) && -               "Ensure that there is a slot"); -        reserveResourcesForConstExt(MI); -        // Reserve resources for new value jump constant extender. -        assert(canReserveResourcesForConstExt(MI) && -               "Ensure that there is a slot"); -        reserveResourcesForConstExt(nvjMI); -        assert(ResourceTracker->canReserveResources(nvjMI) && -               "Ensure that there is a slot"); - -      } else if (   // Extended instruction takes two slots in the packet. -        // Try reserve and allocate 4-byte in the current packet first. -        (QII->isExtended(nvjMI) -            && (!tryAllocateResourcesForConstExt(nvjMI) -                || !ResourceTracker->canReserveResources(nvjMI))) -        || // For non-extended instruction, no need to allocate extra 4 bytes. -        (!QII->isExtended(nvjMI) && !ResourceTracker->canReserveResources(nvjMI))) -      { -        endPacket(MBB, MI); -        // A new and empty packet starts. -        // We are sure that the resources requirements can be satisfied. -        // Therefore, do not need to call "canReserveResources" anymore. -        ResourceTracker->reserveResources(MI); -        if (QII->isExtended(nvjMI)) -          reserveResourcesForConstExt(nvjMI); -      } -      // Here, we are sure that "reserveResources" would succeed. -      ResourceTracker->reserveResources(nvjMI); -      CurrentPacketMIs.push_back(MI); -      CurrentPacketMIs.push_back(nvjMI); -    } else { -      if (   QII->isExtended(MI) -          && (   !tryAllocateResourcesForConstExt(MI) -              || !ResourceTracker->canReserveResources(MI))) -      { -        endPacket(MBB, MI); -        // Check if the instruction was promoted to a dot-new. If so, demote it -        // back into a dot-old -        if (PromotedToDotNew) { -          DemoteToDotOld(MI); -        } -        reserveResourcesForConstExt(MI); -      } -      // In case that "MI" is not an extended insn, -      // the resource availability has already been checked. -      ResourceTracker->reserveResources(MI); -      CurrentPacketMIs.push_back(MI); -    } -    return MII; -} - -//===----------------------------------------------------------------------===// -//                         Public Constructor Functions -//===----------------------------------------------------------------------===// - -FunctionPass *llvm::createHexagonPacketizer() { -  return new HexagonPacketizer(); -} - | 
