if (const MachineBasicBlock *MBB = MI->getParent())
if (const MachineFunction *MF = MBB->getParent())
TM = &MF->getTarget();
+ const TargetRegisterInfo *TRI = TM ? TM->getRegisterInfo() : 0;
switch (getType()) {
case MachineOperand::MO_Register:
- if (getReg() == 0 || TargetRegisterInfo::isVirtualRegister(getReg())) {
- OS << "%reg" << getReg();
- } else {
- if (TM)
- OS << "%" << TM->getRegisterInfo()->get(getReg()).Name;
- else
- OS << "%physreg" << getReg();
- }
-
- if (getSubReg() != 0) {
- if (TM)
- OS << ':' << TM->getRegisterInfo()->getSubRegIndexName(getSubReg());
- else
- OS << ':' << getSubReg();
- }
+ OS << PrintReg(getReg(), TRI, getSubReg());
if (isDef() || isKill() || isDead() || isImplicit() || isUndef() ||
isEarlyClobber()) {
/// MachineInstr ctor - This constructor creates a dummy MachineInstr with
/// TID NULL and no operands.
MachineInstr::MachineInstr()
- : TID(0), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
+ : TID(0), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+ MemRefs(0), MemRefsEnd(0),
Parent(0) {
// Make sure that we get added to a machine basicblock
LeakDetector::addGarbageObject(this);
/// implicit operands. It reserves space for the number of operands specified by
/// the TargetInstrDesc.
MachineInstr::MachineInstr(const TargetInstrDesc &tid, bool NoImp)
- : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
+ : TID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
MemRefs(0), MemRefsEnd(0), Parent(0) {
if (!NoImp)
NumImplicitOps = TID->getNumImplicitDefs() + TID->getNumImplicitUses();
/// MachineInstr ctor - As above, but with a DebugLoc.
MachineInstr::MachineInstr(const TargetInstrDesc &tid, const DebugLoc dl,
bool NoImp)
- : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
- Parent(0), debugLoc(dl) {
+ : TID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+ MemRefs(0), MemRefsEnd(0), Parent(0), debugLoc(dl) {
if (!NoImp)
NumImplicitOps = TID->getNumImplicitDefs() + TID->getNumImplicitUses();
Operands.reserve(NumImplicitOps + TID->getNumOperands());
/// that the MachineInstr is created and added to the end of the specified
/// basic block.
MachineInstr::MachineInstr(MachineBasicBlock *MBB, const TargetInstrDesc &tid)
- : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
+ : TID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
MemRefs(0), MemRefsEnd(0), Parent(0) {
assert(MBB && "Cannot use inserting ctor with null basic block!");
NumImplicitOps = TID->getNumImplicitDefs() + TID->getNumImplicitUses();
///
MachineInstr::MachineInstr(MachineBasicBlock *MBB, const DebugLoc dl,
const TargetInstrDesc &tid)
- : TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
- Parent(0), debugLoc(dl) {
+ : TID(&tid), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
+ MemRefs(0), MemRefsEnd(0), Parent(0), debugLoc(dl) {
assert(MBB && "Cannot use inserting ctor with null basic block!");
NumImplicitOps = TID->getNumImplicitDefs() + TID->getNumImplicitUses();
Operands.reserve(NumImplicitOps + TID->getNumOperands());
/// MachineInstr ctor - Copies MachineInstr arg exactly
///
MachineInstr::MachineInstr(MachineFunction &MF, const MachineInstr &MI)
- : TID(&MI.getDesc()), NumImplicitOps(0), AsmPrinterFlags(0),
+ : TID(&MI.getDesc()), NumImplicitOps(0), Flags(0), AsmPrinterFlags(0),
MemRefs(MI.MemRefs), MemRefsEnd(MI.MemRefsEnd),
Parent(0), debugLoc(MI.getDebugLoc()) {
Operands.reserve(MI.getNumOperands());
addOperand(MI.getOperand(i));
NumImplicitOps = MI.NumImplicitOps;
+ // Copy all the flags.
+ Flags = MI.Flags;
+
// Set parent to null.
Parent = 0;
return NumOperands;
}
+bool MachineInstr::isStackAligningInlineAsm() const {
+ if (isInlineAsm()) {
+ unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
+ if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
+ return true;
+ }
+ return false;
+}
/// findRegisterUseOperandIdx() - Returns the MachineOperand that is a use of
/// the specific register or -1 if it is not found. It further tightens
bool MachineInstr::
isRegTiedToUseOperand(unsigned DefOpIdx, unsigned *UseOpIdx) const {
if (isInlineAsm()) {
- assert(DefOpIdx >= 3);
+ assert(DefOpIdx > InlineAsm::MIOp_FirstOperand);
const MachineOperand &MO = getOperand(DefOpIdx);
if (!MO.isReg() || !MO.isDef() || MO.getReg() == 0)
return false;
// Determine the actual operand index that corresponds to this index.
unsigned DefNo = 0;
unsigned DefPart = 0;
- for (unsigned i = 2, e = getNumOperands(); i < e; ) {
+ for (unsigned i = InlineAsm::MIOp_FirstOperand, e = getNumOperands();
+ i < e; ) {
const MachineOperand &FMO = getOperand(i);
// After the normal asm operands there may be additional imp-def regs.
if (!FMO.isImm())
}
++DefNo;
}
- for (unsigned i = 2, e = getNumOperands(); i != e; ++i) {
+ for (unsigned i = InlineAsm::MIOp_FirstOperand, e = getNumOperands();
+ i != e; ++i) {
const MachineOperand &FMO = getOperand(i);
if (!FMO.isImm())
continue;
// Find the flag operand corresponding to UseOpIdx
unsigned FlagIdx, NumOps=0;
- for (FlagIdx = 2; FlagIdx < UseOpIdx; FlagIdx += NumOps+1) {
+ for (FlagIdx = InlineAsm::MIOp_FirstOperand;
+ FlagIdx < UseOpIdx; FlagIdx += NumOps+1) {
const MachineOperand &UFMO = getOperand(FlagIdx);
// After the normal asm operands there may be additional imp-def regs.
if (!UFMO.isImm())
if (!DefOpIdx)
return true;
- unsigned DefIdx = 2;
+ unsigned DefIdx = InlineAsm::MIOp_FirstOperand;
// Remember to adjust the index. First operand is asm string, second is
- // the AlignStack bit, then there is a flag for each.
+ // the HasSideEffects and AlignStack bits, then there is a flag for each.
while (DefNo) {
const MachineOperand &FMO = getOperand(DefIdx);
assert(FMO.isImm());
SawStore = true;
return false;
}
- if (TID->isTerminator() || TID->hasUnmodeledSideEffects())
+
+ if (isLabel() || isDebugValue() ||
+ TID->isTerminator() || hasUnmodeledSideEffects())
return false;
// See if this instruction does a load. If so, we have to guarantee that the
if (!TID->mayStore() &&
!TID->mayLoad() &&
!TID->isCall() &&
- !TID->hasUnmodeledSideEffects())
+ !hasUnmodeledSideEffects())
return false;
// Otherwise, if the instruction has no memory reference information,
return Reg;
}
+bool MachineInstr::hasUnmodeledSideEffects() const {
+ if (getDesc().hasUnmodeledSideEffects())
+ return true;
+ if (isInlineAsm()) {
+ unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
+ if (ExtraInfo & InlineAsm::Extra_HasSideEffects)
+ return true;
+ }
+
+ return false;
+}
+
/// allDefsAreDead - Return true if all the defs of this instruction are dead.
///
bool MachineInstr::allDefsAreDead() const {
return true;
}
+/// copyImplicitOps - Copy implicit register operands from specified
+/// instruction to this instruction.
+void MachineInstr::copyImplicitOps(const MachineInstr *MI) {
+ for (unsigned i = MI->getDesc().getNumOperands(), e = MI->getNumOperands();
+ i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ if (MO.isReg() && MO.isImplicit())
+ addOperand(MO);
+ }
+}
+
void MachineInstr::dump() const {
dbgs() << " " << *this;
}
if (StartOp != 0) OS << ", ";
getOperand(StartOp).print(OS, TM);
unsigned Reg = getOperand(StartOp).getReg();
- if (Reg && TargetRegisterInfo::isVirtualRegister(Reg))
+ if (TargetRegisterInfo::isVirtualRegister(Reg))
VirtRegs.push_back(Reg);
}
// Print the rest of the operands.
bool OmittedAnyCallClobbers = false;
bool FirstOp = true;
+
+ if (isInlineAsm()) {
+ // Print asm string.
+ OS << " ";
+ getOperand(InlineAsm::MIOp_AsmString).print(OS, TM);
+
+ // Print HasSideEffects, IsAlignStack
+ unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
+ if (ExtraInfo & InlineAsm::Extra_HasSideEffects)
+ OS << " [sideeffect]";
+ if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
+ OS << " [alignstack]";
+
+ StartOp = InlineAsm::MIOp_FirstOperand;
+ FirstOp = false;
+ }
+
+
for (unsigned i = StartOp, e = getNumOperands(); i != e; ++i) {
const MachineOperand &MO = getOperand(i);
- if (MO.isReg() && MO.getReg() &&
- TargetRegisterInfo::isVirtualRegister(MO.getReg()))
+ if (MO.isReg() && TargetRegisterInfo::isVirtualRegister(MO.getReg()))
VirtRegs.push_back(MO.getReg());
// Omit call-clobbered registers which aren't used anywhere. This makes
if (MF && getDesc().isCall() &&
MO.isReg() && MO.isImplicit() && MO.isDef()) {
unsigned Reg = MO.getReg();
- if (Reg != 0 && TargetRegisterInfo::isPhysicalRegister(Reg)) {
+ if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
const MachineRegisterInfo &MRI = MF->getRegInfo();
if (MRI.use_empty(Reg) && !MRI.isLiveOut(Reg)) {
bool HasAliasLive = false;
}
bool HaveSemi = false;
+ if (Flags) {
+ if (!HaveSemi) OS << ";"; HaveSemi = true;
+ OS << " flags: ";
+
+ if (Flags & FrameSetup)
+ OS << "FrameSetup";
+ }
+
if (!memoperands_empty()) {
if (!HaveSemi) OS << ";"; HaveSemi = true;
if (!HaveSemi) OS << ";"; HaveSemi = true;
for (unsigned i = 0; i != VirtRegs.size(); ++i) {
const TargetRegisterClass *RC = MRI->getRegClass(VirtRegs[i]);
- OS << " " << RC->getName() << ":%reg" << VirtRegs[i];
+ OS << " " << RC->getName() << ':' << PrintReg(VirtRegs[i]);
for (unsigned j = i+1; j != VirtRegs.size();) {
if (MRI->getRegClass(VirtRegs[j]) != RC) {
++j;
continue;
}
if (VirtRegs[i] != VirtRegs[j])
- OS << "," << VirtRegs[j];
+ OS << "," << PrintReg(VirtRegs[j]);
VirtRegs.erase(VirtRegs.begin()+j);
}
}
}
+ // Print debug location information.
if (!debugLoc.isUnknown() && MF) {
- if (!HaveSemi) OS << ";";
+ if (!HaveSemi) OS << ";"; HaveSemi = true;
OS << " dbg:";
printDebugLoc(debugLoc, MF, OS);
}
- OS << "\n";
+ OS << '\n';
}
bool MachineInstr::addRegisterKilled(unsigned IncomingReg,
continue;
if (Reg == IncomingReg) {
- if (!Found) {
- if (MO.isDead())
- // The register is already marked dead.
- return true;
- MO.setIsDead();
- Found = true;
- }
+ MO.setIsDead();
+ Found = true;
} else if (hasAliases && MO.isDead() &&
TargetRegisterInfo::isPhysicalRegister(Reg)) {
// There exists a super-register that's marked dead.
switch (MO.getType()) {
default: break;
case MachineOperand::MO_Register:
- if (MO.isDef() && MO.getReg() &&
- TargetRegisterInfo::isVirtualRegister(MO.getReg()))
+ if (MO.isDef() && TargetRegisterInfo::isVirtualRegister(MO.getReg()))
continue; // Skip virtual register defs.
Key |= MO.getReg();
break;
projects / oota-llvm.git / blobdiff