#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
IsDef = Val;
}
+// If this operand is currently a register operand, and if this is in a
+// function, deregister the operand from the register's use/def list.
+void MachineOperand::removeRegFromUses() {
+ if (!isReg() || !isOnRegUseList())
+ return;
+
+ if (MachineInstr *MI = getParent()) {
+ if (MachineBasicBlock *MBB = MI->getParent()) {
+ if (MachineFunction *MF = MBB->getParent())
+ MF->getRegInfo().removeRegOperandFromUseList(this);
+ }
+ }
+}
+
/// ChangeToImmediate - Replace this operand with a new immediate operand of
/// the specified value. If an operand is known to be an immediate already,
/// the setImm method should be used.
void MachineOperand::ChangeToImmediate(int64_t ImmVal) {
assert((!isReg() || !isTied()) && "Cannot change a tied operand into an imm");
- // If this operand is currently a register operand, and if this is in a
- // function, deregister the operand from the register's use/def list.
- if (isReg() && isOnRegUseList())
- if (MachineInstr *MI = getParent())
- if (MachineBasicBlock *MBB = MI->getParent())
- if (MachineFunction *MF = MBB->getParent())
- MF->getRegInfo().removeRegOperandFromUseList(this);
+
+ removeRegFromUses();
OpKind = MO_Immediate;
Contents.ImmVal = ImmVal;
}
+void MachineOperand::ChangeToFPImmediate(const ConstantFP *FPImm) {
+ assert((!isReg() || !isTied()) && "Cannot change a tied operand into an imm");
+
+ removeRegFromUses();
+
+ OpKind = MO_FPImmediate;
+ Contents.CFP = FPImm;
+}
+
/// ChangeToRegister - Replace this operand with a new register operand of
/// the specified value. If an operand is known to be an register already,
/// the setReg method should be used.
void MachineOperand::ChangeToRegister(unsigned Reg, bool isDef, bool isImp,
bool isKill, bool isDead, bool isUndef,
bool isDebug) {
- MachineRegisterInfo *RegInfo = 0;
+ MachineRegisterInfo *RegInfo = nullptr;
if (MachineInstr *MI = getParent())
if (MachineBasicBlock *MBB = MI->getParent())
if (MachineFunction *MF = MBB->getParent())
IsEarlyClobber = false;
IsDebug = isDebug;
// Ensure isOnRegUseList() returns false.
- Contents.Reg.Prev = 0;
+ Contents.Reg.Prev = nullptr;
// Preserve the tie when the operand was already a register.
if (!WasReg)
TiedTo = 0;
if (const MachineBasicBlock *MBB = MI->getParent())
if (const MachineFunction *MF = MBB->getParent())
TM = &MF->getTarget();
- const TargetRegisterInfo *TRI = TM ? TM->getRegisterInfo() : 0;
+ const TargetRegisterInfo *TRI =
+ TM ? TM->getSubtargetImpl()->getRegisterInfo() : nullptr;
switch (getType()) {
case MachineOperand::MO_Register:
/// getAddrSpace - Return the LLVM IR address space number that this pointer
/// points into.
unsigned MachinePointerInfo::getAddrSpace() const {
- if (V == 0) return 0;
- return cast<PointerType>(V->getType())->getAddressSpace();
+ if (V.isNull() || V.is<const PseudoSourceValue*>()) return 0;
+ return cast<PointerType>(V.get<const Value*>()->getType())->getAddressSpace();
}
/// getConstantPool - Return a MachinePointerInfo record that refers to the
MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, unsigned f,
uint64_t s, unsigned int a,
- const MDNode *TBAAInfo,
+ const AAMDNodes &AAInfo,
const MDNode *Ranges)
: PtrInfo(ptrinfo), Size(s),
Flags((f & ((1 << MOMaxBits) - 1)) | ((Log2_32(a) + 1) << MOMaxBits)),
- TBAAInfo(TBAAInfo), Ranges(Ranges) {
- assert((PtrInfo.V == 0 || isa<PointerType>(PtrInfo.V->getType())) &&
+ AAInfo(AAInfo), Ranges(Ranges) {
+ assert((PtrInfo.V.isNull() || PtrInfo.V.is<const PseudoSourceValue*>() ||
+ isa<PointerType>(PtrInfo.V.get<const Value*>()->getType())) &&
"invalid pointer value");
assert(getBaseAlignment() == a && "Alignment is not a power of 2!");
assert((isLoad() || isStore()) && "Not a load/store!");
void MachineMemOperand::Profile(FoldingSetNodeID &ID) const {
ID.AddInteger(getOffset());
ID.AddInteger(Size);
- ID.AddPointer(getValue());
+ ID.AddPointer(getOpaqueValue());
ID.AddInteger(Flags);
}
// Print the address information.
OS << "[";
- if (!MMO.getValue())
- OS << "<unknown>";
+ if (const Value *V = MMO.getValue())
+ V->printAsOperand(OS, /*PrintType=*/false);
+ else if (const PseudoSourceValue *PSV = MMO.getPseudoValue())
+ PSV->printCustom(OS);
else
- MMO.getValue()->printAsOperand(OS, /*PrintType=*/false);
+ OS << "<unknown>";
unsigned AS = MMO.getAddrSpace();
if (AS != 0)
OS << "(align=" << MMO.getAlignment() << ")";
// Print TBAA info.
- if (const MDNode *TBAAInfo = MMO.getTBAAInfo()) {
+ if (const MDNode *TBAAInfo = MMO.getAAInfo().TBAA) {
OS << "(tbaa=";
if (TBAAInfo->getNumOperands() > 0)
TBAAInfo->getOperand(0)->printAsOperand(OS, /*PrintType=*/false);
OS << ")";
}
+ // Print AA scope info.
+ if (const MDNode *ScopeInfo = MMO.getAAInfo().Scope) {
+ OS << "(alias.scope=";
+ if (ScopeInfo->getNumOperands() > 0)
+ for (unsigned i = 0, ie = ScopeInfo->getNumOperands(); i != ie; ++i) {
+ ScopeInfo->getOperand(i)->printAsOperand(OS, /*PrintType=*/false);
+ if (i != ie-1)
+ OS << ",";
+ }
+ else
+ OS << "<unknown>";
+ OS << ")";
+ }
+
+ // Print AA noalias scope info.
+ if (const MDNode *NoAliasInfo = MMO.getAAInfo().NoAlias) {
+ OS << "(noalias=";
+ if (NoAliasInfo->getNumOperands() > 0)
+ for (unsigned i = 0, ie = NoAliasInfo->getNumOperands(); i != ie; ++i) {
+ NoAliasInfo->getOperand(i)->printAsOperand(OS, /*PrintType=*/false);
+ if (i != ie-1)
+ OS << ",";
+ }
+ else
+ OS << "<unknown>";
+ OS << ")";
+ }
+
// Print nontemporal info.
if (MMO.isNonTemporal())
OS << "(nontemporal)";
/// the MCInstrDesc.
MachineInstr::MachineInstr(MachineFunction &MF, const MCInstrDesc &tid,
const DebugLoc dl, bool NoImp)
- : MCID(&tid), Parent(0), Operands(0), NumOperands(0),
+ : MCID(&tid), Parent(nullptr), Operands(nullptr), NumOperands(0),
Flags(0), AsmPrinterFlags(0),
- NumMemRefs(0), MemRefs(0), debugLoc(dl) {
+ NumMemRefs(0), MemRefs(nullptr), debugLoc(dl) {
// Reserve space for the expected number of operands.
if (unsigned NumOps = MCID->getNumOperands() +
MCID->getNumImplicitDefs() + MCID->getNumImplicitUses()) {
/// MachineInstr ctor - Copies MachineInstr arg exactly
///
MachineInstr::MachineInstr(MachineFunction &MF, const MachineInstr &MI)
- : MCID(&MI.getDesc()), Parent(0), Operands(0), NumOperands(0),
+ : MCID(&MI.getDesc()), Parent(nullptr), Operands(nullptr), NumOperands(0),
Flags(0), AsmPrinterFlags(0),
NumMemRefs(MI.NumMemRefs), MemRefs(MI.MemRefs),
debugLoc(MI.getDebugLoc()) {
MachineRegisterInfo *MachineInstr::getRegInfo() {
if (MachineBasicBlock *MBB = getParent())
return &MBB->getParent()->getRegInfo();
- return 0;
+ return nullptr;
}
/// RemoveRegOperandsFromUseLists - Unlink all of the register operands in
// When adding a register operand, tell MRI about it.
if (NewMO->isReg()) {
// Ensure isOnRegUseList() returns false, regardless of Op's status.
- NewMO->Contents.Reg.Prev = 0;
+ NewMO->Contents.Reg.Prev = nullptr;
// Ignore existing ties. This is not a property that can be copied.
NewMO->TiedTo = 0;
// Add the new operand to MRI, but only for instructions in an MBB.
getParent()->erase(this);
}
+void MachineInstr::eraseFromParentAndMarkDBGValuesForRemoval() {
+ assert(getParent() && "Not embedded in a basic block!");
+ MachineBasicBlock *MBB = getParent();
+ MachineFunction *MF = MBB->getParent();
+ assert(MF && "Not embedded in a function!");
+
+ MachineInstr *MI = (MachineInstr *)this;
+ MachineRegisterInfo &MRI = MF->getRegInfo();
+
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ if (!MO.isReg() || !MO.isDef())
+ continue;
+ unsigned Reg = MO.getReg();
+ if (!TargetRegisterInfo::isVirtualRegister(Reg))
+ continue;
+ MRI.markUsesInDebugValueAsUndef(Reg);
+ }
+ MI->eraseFromParent();
+}
+
void MachineInstr::eraseFromBundle() {
assert(getParent() && "Not embedded in a basic block!");
getParent()->erase_instr(this);
return TII->getRegClass(getDesc(), OpIdx, TRI, MF);
if (!getOperand(OpIdx).isReg())
- return NULL;
+ return nullptr;
// For tied uses on inline asm, get the constraint from the def.
unsigned DefIdx;
// Inline asm stores register class constraints in the flag word.
int FlagIdx = findInlineAsmFlagIdx(OpIdx);
if (FlagIdx < 0)
- return NULL;
+ return nullptr;
unsigned Flag = getOperand(FlagIdx).getImm();
unsigned RCID;
if (InlineAsm::getKind(Flag) == InlineAsm::Kind_Mem)
return TRI->getPointerRegClass(MF);
- return NULL;
+ return nullptr;
}
const TargetRegisterClass *MachineInstr::getRegClassConstraintEffectForVReg(
if ((*I)->isStore()) return false;
if ((*I)->isInvariant()) return true;
+
+ // A load from a constant PseudoSourceValue is invariant.
+ if (const PseudoSourceValue *PSV = (*I)->getPseudoValue())
+ if (PSV->isConstant(MFI))
+ continue;
+
if (const Value *V = (*I)->getValue()) {
- // A load from a constant PseudoSourceValue is invariant.
- if (const PseudoSourceValue *PSV = dyn_cast<PseudoSourceValue>(V))
- if (PSV->isConstant(MFI))
- continue;
// If we have an AliasAnalysis, ask it whether the memory is constant.
if (AA && AA->pointsToConstantMemory(
AliasAnalysis::Location(V, (*I)->getSize(),
- (*I)->getTBAAInfo())))
+ (*I)->getAAInfo())))
continue;
}
static void printDebugLoc(DebugLoc DL, const MachineFunction *MF,
raw_ostream &CommentOS) {
const LLVMContext &Ctx = MF->getFunction()->getContext();
- if (!DL.isUnknown()) { // Print source line info.
- DIScope Scope(DL.getScope(Ctx));
- assert((!Scope || Scope.isScope()) &&
- "Scope of a DebugLoc should be null or a DIScope.");
- // Omit the directory, because it's likely to be long and uninteresting.
- if (Scope)
- CommentOS << Scope.getFilename();
- else
- CommentOS << "<unknown>";
- CommentOS << ':' << DL.getLine();
- if (DL.getCol() != 0)
- CommentOS << ':' << DL.getCol();
- DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(DL.getInlinedAt(Ctx));
- if (!InlinedAtDL.isUnknown()) {
- CommentOS << " @[ ";
- printDebugLoc(InlinedAtDL, MF, CommentOS);
- CommentOS << " ]";
- }
- }
+ DL.print(Ctx, CommentOS);
}
void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM,
bool SkipOpers) const {
// We can be a bit tidier if we know the TargetMachine and/or MachineFunction.
- const MachineFunction *MF = 0;
- const MachineRegisterInfo *MRI = 0;
+ const MachineFunction *MF = nullptr;
+ const MachineRegisterInfo *MRI = nullptr;
if (const MachineBasicBlock *MBB = getParent()) {
MF = MBB->getParent();
if (!TM && MF)
OS << " = ";
// Print the opcode name.
- if (TM && TM->getInstrInfo())
- OS << TM->getInstrInfo()->getName(getOpcode());
+ if (TM && TM->getSubtargetImpl()->getInstrInfo())
+ OS << TM->getSubtargetImpl()->getInstrInfo()->getName(getOpcode());
else
OS << "UNKNOWN";
// call instructions much less noisy on targets where calls clobber lots
// of registers. Don't rely on MO.isDead() because we may be called before
// LiveVariables is run, or we may be looking at a non-allocatable reg.
- if (MF && isCall() &&
+ if (MRI && isCall() &&
MO.isReg() && MO.isImplicit() && MO.isDef()) {
unsigned Reg = MO.getReg();
if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
- const MachineRegisterInfo &MRI = MF->getRegInfo();
- if (MRI.use_empty(Reg)) {
+ if (MRI->use_empty(Reg)) {
bool HasAliasLive = false;
- for (MCRegAliasIterator AI(Reg, TM->getRegisterInfo(), true);
+ for (MCRegAliasIterator AI(
+ Reg, TM->getSubtargetImpl()->getRegisterInfo(), true);
AI.isValid(); ++AI) {
unsigned AliasReg = *AI;
- if (!MRI.use_empty(AliasReg)) {
+ if (!MRI->use_empty(AliasReg)) {
HasAliasLive = true;
break;
}
if (isDebugValue() && MO.isMetadata()) {
// Pretty print DBG_VALUE instructions.
const MDNode *MD = MO.getMetadata();
- if (const MDString *MDS = dyn_cast<MDString>(MD->getOperand(2)))
- OS << "!\"" << MDS->getString() << '\"';
+ DIDescriptor DI(MD);
+ DIVariable DIV(MD);
+
+ if (DI.isVariable() && !DIV.getName().empty())
+ OS << "!\"" << DIV.getName() << '\"';
else
MO.print(OS, TM);
} else if (TM && (isInsertSubreg() || isRegSequence()) && MO.isImm()) {
- OS << TM->getRegisterInfo()->getSubRegIndexName(MO.getImm());
+ OS << TM->getSubtargetImpl()->getRegisterInfo()->getSubRegIndexName(
+ MO.getImm());
} else if (i == AsmDescOp && MO.isImm()) {
// Pretty print the inline asm operand descriptor.
OS << '$' << AsmOpCount++;
unsigned RCID = 0;
if (InlineAsm::hasRegClassConstraint(Flag, RCID)) {
- if (TM)
- OS << ':' << TM->getRegisterInfo()->getRegClass(RCID)->getName();
- else
+ if (TM) {
+ const TargetRegisterInfo *TRI =
+ TM->getSubtargetImpl()->getRegisterInfo();
+ OS << ':'
+ << TRI->getRegClassName(TRI->getRegClass(RCID));
+ } else
OS << ":RC" << RCID;
}
if (!HaveSemi) OS << ";"; HaveSemi = true;
for (unsigned i = 0; i != VirtRegs.size(); ++i) {
const TargetRegisterClass *RC = MRI->getRegClass(VirtRegs[i]);
- OS << " " << RC->getName() << ':' << PrintReg(VirtRegs[i]);
+ OS << " " << MRI->getTargetRegisterInfo()->getRegClassName(RC)
+ << ':' << PrintReg(VirtRegs[i]);
for (unsigned j = i+1; j != VirtRegs.size();) {
if (MRI->getRegClass(VirtRegs[j]) != RC) {
++j;
OS << " line no:" << DV.getLineNumber();
if (MDNode *InlinedAt = DV.getInlinedAt()) {
DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(InlinedAt);
- if (!InlinedAtDL.isUnknown()) {
+ if (!InlinedAtDL.isUnknown() && MF) {
OS << " inlined @[ ";
printDebugLoc(InlinedAtDL, MF, OS);
OS << " ]";
}
}
+ if (isIndirectDebugValue())
+ OS << " indirect";
} else if (!debugLoc.isUnknown() && MF) {
if (!HaveSemi) OS << ";";
OS << " dbg:";
void MachineInstr::clearRegisterKills(unsigned Reg,
const TargetRegisterInfo *RegInfo) {
if (!TargetRegisterInfo::isPhysicalRegister(Reg))
- RegInfo = 0;
+ RegInfo = nullptr;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
MachineOperand &MO = getOperand(i);
if (!MO.isReg() || !MO.isUse() || !MO.isKill())
void MachineInstr::emitError(StringRef Msg) const {
// Find the source location cookie.
unsigned LocCookie = 0;
- const MDNode *LocMD = 0;
+ const MDNode *LocMD = nullptr;
for (unsigned i = getNumOperands(); i != 0; --i) {
if (getOperand(i-1).isMetadata() &&
(LocMD = getOperand(i-1).getMetadata()) &&
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