#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
-
+#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
SystemZInstrInfo::SystemZInstrInfo(SystemZTargetMachine &tm)
void SystemZInstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned SrcReg, bool isKill, int FrameIdx,
- const TargetRegisterClass *RC) const {
- DebugLoc DL = DebugLoc::getUnknownLoc();
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI) const {
+ DebugLoc DL;
if (MI != MBB.end()) DL = MI->getDebugLoc();
unsigned Opc = 0;
Opc = SystemZ::FMOV32mr;
} else if (RC == &SystemZ::FP64RegClass) {
Opc = SystemZ::FMOV64mr;
+ } else if (RC == &SystemZ::GR64PRegClass) {
+ Opc = SystemZ::MOV64Pmr;
+ } else if (RC == &SystemZ::GR128RegClass) {
+ Opc = SystemZ::MOV128mr;
} else
- assert(0 && "Unsupported regclass to store");
+ llvm_unreachable("Unsupported regclass to store");
addFrameReference(BuildMI(MBB, MI, DL, get(Opc)), FrameIdx)
.addReg(SrcReg, getKillRegState(isKill));
void SystemZInstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIdx,
- const TargetRegisterClass *RC) const{
- DebugLoc DL = DebugLoc::getUnknownLoc();
+ const TargetRegisterClass *RC,
+ const TargetRegisterInfo *TRI) const{
+ DebugLoc DL;
if (MI != MBB.end()) DL = MI->getDebugLoc();
unsigned Opc = 0;
Opc = SystemZ::FMOV32rm;
} else if (RC == &SystemZ::FP64RegClass) {
Opc = SystemZ::FMOV64rm;
+ } else if (RC == &SystemZ::GR64PRegClass) {
+ Opc = SystemZ::MOV64Prm;
+ } else if (RC == &SystemZ::GR128RegClass) {
+ Opc = SystemZ::MOV128rm;
} else
- assert(0 && "Unsupported regclass to store");
+ llvm_unreachable("Unsupported regclass to load");
addFrameReference(BuildMI(MBB, MI, DL, get(Opc), DestReg), FrameIdx);
}
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
- const TargetRegisterClass *SrcRC) const {
- DebugLoc DL = DebugLoc::getUnknownLoc();
- if (I != MBB.end()) DL = I->getDebugLoc();
+ const TargetRegisterClass *SrcRC,
+ DebugLoc DL) const {
// Determine if DstRC and SrcRC have a common superclass.
const TargetRegisterClass *CommonRC = DestRC;
case SystemZ::FMOV32rmy:
case SystemZ::FMOV64rm:
case SystemZ::FMOV64rmy:
+ case SystemZ::MOV64Prm:
+ case SystemZ::MOV64Prmy:
+ case SystemZ::MOV128rm:
if (MI->getOperand(1).isFI() &&
MI->getOperand(2).isImm() && MI->getOperand(3).isReg() &&
MI->getOperand(2).getImm() == 0 && MI->getOperand(3).getReg() == 0) {
case SystemZ::FMOV32mry:
case SystemZ::FMOV64mr:
case SystemZ::FMOV64mry:
+ case SystemZ::MOV64Pmr:
+ case SystemZ::MOV64Pmry:
+ case SystemZ::MOV128mr:
if (MI->getOperand(0).isFI() &&
MI->getOperand(1).isImm() && MI->getOperand(2).isReg() &&
MI->getOperand(1).getImm() == 0 && MI->getOperand(2).getReg() == 0) {
return 0;
}
-bool SystemZInstrInfo::isInvariantLoad(const MachineInstr *MI) const {
- for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
- const MachineOperand &MO = MI->getOperand(i);
- // Loads from constant pools are trivially invariant.
- if (MO.isCPI())
- return true;
-
- if (MO.isGlobal())
- return isGVStub(MO.getGlobal(), TM);
-
- // If this is a load from an invariant stack slot, the load is a constant.
- if (MO.isFI()) {
- const MachineFrameInfo &MFI =
- *MI->getParent()->getParent()->getFrameInfo();
- int Idx = MO.getIndex();
- return MFI.isFixedObjectIndex(Idx) && MFI.isImmutableObjectIndex(Idx);
- }
- }
-
- // All other instances of these instructions are presumed to have other
- // issues.
- return false;
-}
-
bool
SystemZInstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
if (CSI.empty())
return false;
- DebugLoc DL = DebugLoc::getUnknownLoc();
+ DebugLoc DL;
if (MI != MBB.end()) DL = MI->getDebugLoc();
MachineFunction &MF = *MBB.getParent();
const TargetRegisterClass *RegClass = CSI[i].getRegClass();
if (RegClass == &SystemZ::FP64RegClass) {
MBB.addLiveIn(Reg);
- storeRegToStackSlot(MBB, MI, Reg, true, CSI[i].getFrameIdx(), RegClass);
+ storeRegToStackSlot(MBB, MI, Reg, true, CSI[i].getFrameIdx(), RegClass,
+ &RI);
}
}
bool
SystemZInstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI) const {
+ const std::vector<CalleeSavedInfo> &CSI,
+ const TargetRegisterInfo *TRI) const {
if (CSI.empty())
return false;
- DebugLoc DL = DebugLoc::getUnknownLoc();
+ DebugLoc DL;
if (MI != MBB.end()) DL = MI->getDebugLoc();
MachineFunction &MF = *MBB.getParent();
unsigned Reg = CSI[i].getReg();
const TargetRegisterClass *RegClass = CSI[i].getRegClass();
if (RegClass == &SystemZ::FP64RegClass)
- loadRegFromStackSlot(MBB, MI, Reg, CSI[i].getFrameIdx(), RegClass);
+ loadRegFromStackSlot(MBB, MI, Reg, CSI[i].getFrameIdx(), RegClass, &RI);
}
// Restore GP registers
return false;
}
-bool SystemZInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB)const{
- if (MBB.empty()) return false;
-
- switch (MBB.back().getOpcode()) {
- case SystemZ::RET: // Return.
- case SystemZ::JMP: // Uncond branch.
- case SystemZ::JMPr: // Indirect branch.
- return true;
- default: return false;
- }
-}
-
bool SystemZInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
const TargetInstrDesc &TID = MI->getDesc();
if (!TID.isTerminator()) return false;
MachineBasicBlock::iterator I = MBB.end();
while (I != MBB.begin()) {
--I;
+ if (I->isDebugValue())
+ continue;
// Working from the bottom, when we see a non-terminator
// instruction, we're done.
if (!isUnpredicatedTerminator(I))
}
// If the block has any instructions after a JMP, delete them.
- while (next(I) != MBB.end())
- next(I)->eraseFromParent();
+ while (llvm::next(I) != MBB.end())
+ llvm::next(I)->eraseFromParent();
Cond.clear();
FBB = 0;
while (I != MBB.begin()) {
--I;
+ if (I->isDebugValue())
+ continue;
if (I->getOpcode() != SystemZ::JMP &&
getCondFromBranchOpc(I->getOpcode()) == SystemZCC::INVALID)
break;
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond) const {
// FIXME: this should probably have a DebugLoc operand
- DebugLoc dl = DebugLoc::getUnknownLoc();
+ DebugLoc DL;
// Shouldn't be a fall through.
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
assert((Cond.size() == 1 || Cond.size() == 0) &&
if (Cond.empty()) {
// Unconditional branch?
assert(!FBB && "Unconditional branch with multiple successors!");
- BuildMI(&MBB, dl, get(SystemZ::JMP)).addMBB(TBB);
+ BuildMI(&MBB, DL, get(SystemZ::JMP)).addMBB(TBB);
return 1;
}
// Conditional branch.
unsigned Count = 0;
SystemZCC::CondCodes CC = (SystemZCC::CondCodes)Cond[0].getImm();
- BuildMI(&MBB, dl, getBrCond(CC)).addMBB(TBB);
+ BuildMI(&MBB, DL, getBrCond(CC)).addMBB(TBB);
++Count;
if (FBB) {
// Two-way Conditional branch. Insert the second branch.
- BuildMI(&MBB, dl, get(SystemZ::JMP)).addMBB(FBB);
+ BuildMI(&MBB, DL, get(SystemZ::JMP)).addMBB(FBB);
++Count;
}
return Count;
SystemZInstrInfo::getBrCond(SystemZCC::CondCodes CC) const {
switch (CC) {
default:
- assert(0 && "Unknown condition code!");
+ llvm_unreachable("Unknown condition code!");
case SystemZCC::O: return get(SystemZ::JO);
case SystemZCC::H: return get(SystemZ::JH);
case SystemZCC::NLE: return get(SystemZ::JNLE);
SystemZInstrInfo::getOppositeCondition(SystemZCC::CondCodes CC) const {
switch (CC) {
default:
- assert(0 && "Invalid condition!");
+ llvm_unreachable("Invalid condition!");
case SystemZCC::O: return SystemZCC::NO;
case SystemZCC::H: return SystemZCC::NH;
case SystemZCC::NLE: return SystemZCC::LE;
const TargetInstrDesc&
SystemZInstrInfo::getLongDispOpc(unsigned Opc) const {
switch (Opc) {
+ default:
+ llvm_unreachable("Don't have long disp version of this instruction");
case SystemZ::MOV32mr: return get(SystemZ::MOV32mry);
case SystemZ::MOV32rm: return get(SystemZ::MOV32rmy);
case SystemZ::MOVSX32rm16: return get(SystemZ::MOVSX32rm16y);
case SystemZ::FMOV64mr: return get(SystemZ::FMOV64mry);
case SystemZ::FMOV32rm: return get(SystemZ::FMOV32rmy);
case SystemZ::FMOV64rm: return get(SystemZ::FMOV64rmy);
- default:
- assert(0 && "Don't have long disp version of this instruction");
+ case SystemZ::MOV64Pmr: return get(SystemZ::MOV64Pmry);
+ case SystemZ::MOV64Prm: return get(SystemZ::MOV64Prmy);
}
}
-
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