#define LLVM_CODEGEN_MACHINEINSTRBUILDER_H
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/Support/ErrorHandling.h"
namespace llvm {
-class TargetInstrDesc;
+class MCInstrDesc;
+class MDNode;
namespace RegState {
enum {
Implicit = 0x4,
Kill = 0x8,
Dead = 0x10,
- EarlyClobber = 0x20,
+ Undef = 0x20,
+ EarlyClobber = 0x40,
+ Debug = 0x80,
+ InternalRead = 0x100,
+ DefineNoRead = Define | Undef,
ImplicitDefine = Implicit | Define,
ImplicitKill = Implicit | Kill
};
class MachineInstrBuilder {
MachineInstr *MI;
public:
+ MachineInstrBuilder() : MI(0) {}
explicit MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
/// Allow automatic conversion to the machine instruction we are working on.
///
operator MachineInstr*() const { return MI; }
+ MachineInstr *operator->() const { return MI; }
operator MachineBasicBlock::iterator() const { return MI; }
/// addReg - Add a new virtual register operand...
flags & RegState::Implicit,
flags & RegState::Kill,
flags & RegState::Dead,
+ flags & RegState::Undef,
+ flags & RegState::EarlyClobber,
SubReg,
- flags & RegState::EarlyClobber));
+ flags & RegState::Debug,
+ flags & RegState::InternalRead));
return *this;
}
return *this;
}
+ const MachineInstrBuilder &addCImm(const ConstantInt *Val) const {
+ MI->addOperand(MachineOperand::CreateCImm(Val));
+ return *this;
+ }
+
const MachineInstrBuilder &addFPImm(const ConstantFP *Val) const {
MI->addOperand(MachineOperand::CreateFPImm(Val));
return *this;
return *this;
}
- const MachineInstrBuilder &addFrameIndex(unsigned Idx) const {
+ const MachineInstrBuilder &addFrameIndex(int Idx) const {
MI->addOperand(MachineOperand::CreateFI(Idx));
return *this;
}
return *this;
}
+ const MachineInstrBuilder &addTargetIndex(unsigned Idx, int64_t Offset = 0,
+ unsigned char TargetFlags = 0) const {
+ MI->addOperand(MachineOperand::CreateTargetIndex(Idx, Offset, TargetFlags));
+ return *this;
+ }
+
const MachineInstrBuilder &addJumpTableIndex(unsigned Idx,
unsigned char TargetFlags = 0) const {
MI->addOperand(MachineOperand::CreateJTI(Idx, TargetFlags));
return *this;
}
- const MachineInstrBuilder &addGlobalAddress(GlobalValue *GV,
+ const MachineInstrBuilder &addGlobalAddress(const GlobalValue *GV,
int64_t Offset = 0,
unsigned char TargetFlags = 0) const {
MI->addOperand(MachineOperand::CreateGA(GV, Offset, TargetFlags));
}
const MachineInstrBuilder &addExternalSymbol(const char *FnName,
- int64_t Offset = 0,
unsigned char TargetFlags = 0) const {
- MI->addOperand(MachineOperand::CreateES(FnName, Offset, TargetFlags));
+ MI->addOperand(MachineOperand::CreateES(FnName, TargetFlags));
return *this;
}
- const MachineInstrBuilder &addMemOperand(const MachineMemOperand &MMO) const {
+ const MachineInstrBuilder &addRegMask(const uint32_t *Mask) const {
+ MI->addOperand(MachineOperand::CreateRegMask(Mask));
+ return *this;
+ }
+
+ const MachineInstrBuilder &addMemOperand(MachineMemOperand *MMO) const {
MI->addMemOperand(*MI->getParent()->getParent(), MMO);
return *this;
}
+ const MachineInstrBuilder &setMemRefs(MachineInstr::mmo_iterator b,
+ MachineInstr::mmo_iterator e) const {
+ MI->setMemRefs(b, e);
+ return *this;
+ }
+
+
const MachineInstrBuilder &addOperand(const MachineOperand &MO) const {
- if (MO.isReg())
- return addReg(MO.getReg(),
- (MO.isDef() ? RegState::Define : 0) |
- (MO.isImplicit() ? RegState::Implicit : 0) |
- (MO.isKill() ? RegState::Kill : 0) |
- (MO.isDead() ? RegState::Dead : 0) |
- (MO.isEarlyClobber() ? RegState::EarlyClobber : 0),
- MO.getSubReg());
- if (MO.isImm())
- return addImm(MO.getImm());
- if (MO.isFI())
- return addFrameIndex(MO.getIndex());
- if (MO.isGlobal())
- return addGlobalAddress(MO.getGlobal(), MO.getOffset(),
- MO.getTargetFlags());
- if (MO.isMBB())
- return addMBB(MO.getMBB(), MO.getTargetFlags());
- if (MO.isCPI())
- return addConstantPoolIndex(MO.getIndex(), MO.getOffset(),
- MO.getTargetFlags());
- if (MO.isSymbol())
- return addExternalSymbol(MO.getSymbolName(), MO.getOffset(),
- MO.getTargetFlags());
- if (MO.isJTI())
- return addJumpTableIndex(MO.getIndex(),
- MO.getTargetFlags());
-
- assert(0 && "Unknown operand for MachineInstrBuilder::AddOperand!");
+ MI->addOperand(MO);
return *this;
}
+
+ const MachineInstrBuilder &addMetadata(const MDNode *MD) const {
+ MI->addOperand(MachineOperand::CreateMetadata(MD));
+ return *this;
+ }
+
+ const MachineInstrBuilder &addSym(MCSymbol *Sym) const {
+ MI->addOperand(MachineOperand::CreateMCSymbol(Sym));
+ return *this;
+ }
+
+ const MachineInstrBuilder &setMIFlags(unsigned Flags) const {
+ MI->setFlags(Flags);
+ return *this;
+ }
+
+ const MachineInstrBuilder &setMIFlag(MachineInstr::MIFlag Flag) const {
+ MI->setFlag(Flag);
+ return *this;
+ }
+
+ // Add a displacement from an existing MachineOperand with an added offset.
+ const MachineInstrBuilder &addDisp(const MachineOperand &Disp,
+ int64_t off) const {
+ switch (Disp.getType()) {
+ default:
+ llvm_unreachable("Unhandled operand type in addDisp()");
+ case MachineOperand::MO_Immediate:
+ return addImm(Disp.getImm() + off);
+ case MachineOperand::MO_GlobalAddress:
+ return addGlobalAddress(Disp.getGlobal(), Disp.getOffset() + off);
+ }
+ }
};
/// BuildMI - Builder interface. Specify how to create the initial instruction
///
inline MachineInstrBuilder BuildMI(MachineFunction &MF,
DebugLoc DL,
- const TargetInstrDesc &TID) {
- return MachineInstrBuilder(MF.CreateMachineInstr(TID, DL));
+ const MCInstrDesc &MCID) {
+ return MachineInstrBuilder(MF.CreateMachineInstr(MCID, DL));
}
/// BuildMI - This version of the builder sets up the first operand as a
///
inline MachineInstrBuilder BuildMI(MachineFunction &MF,
DebugLoc DL,
- const TargetInstrDesc &TID,
+ const MCInstrDesc &MCID,
unsigned DestReg) {
- return MachineInstrBuilder(MF.CreateMachineInstr(TID, DL))
+ return MachineInstrBuilder(MF.CreateMachineInstr(MCID, DL))
.addReg(DestReg, RegState::Define);
}
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
DebugLoc DL,
- const TargetInstrDesc &TID,
+ const MCInstrDesc &MCID,
unsigned DestReg) {
- MachineInstr *MI = BB.getParent()->CreateMachineInstr(TID, DL);
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
BB.insert(I, MI);
return MachineInstrBuilder(MI).addReg(DestReg, RegState::Define);
}
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+ MachineBasicBlock::instr_iterator I,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
+ unsigned DestReg) {
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
+ BB.insert(I, MI);
+ return MachineInstrBuilder(MI).addReg(DestReg, RegState::Define);
+}
+
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+ MachineInstr *I,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
+ unsigned DestReg) {
+ if (I->isInsideBundle()) {
+ MachineBasicBlock::instr_iterator MII = I;
+ return BuildMI(BB, MII, DL, MCID, DestReg);
+ }
+
+ MachineBasicBlock::iterator MII = I;
+ return BuildMI(BB, MII, DL, MCID, DestReg);
+}
+
/// BuildMI - This version of the builder inserts the newly-built
/// instruction before the given position in the given MachineBasicBlock, and
/// does NOT take a destination register.
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
DebugLoc DL,
- const TargetInstrDesc &TID) {
- MachineInstr *MI = BB.getParent()->CreateMachineInstr(TID, DL);
+ const MCInstrDesc &MCID) {
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
BB.insert(I, MI);
return MachineInstrBuilder(MI);
}
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+ MachineBasicBlock::instr_iterator I,
+ DebugLoc DL,
+ const MCInstrDesc &MCID) {
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
+ BB.insert(I, MI);
+ return MachineInstrBuilder(MI);
+}
+
+inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
+ MachineInstr *I,
+ DebugLoc DL,
+ const MCInstrDesc &MCID) {
+ if (I->isInsideBundle()) {
+ MachineBasicBlock::instr_iterator MII = I;
+ return BuildMI(BB, MII, DL, MCID);
+ }
+
+ MachineBasicBlock::iterator MII = I;
+ return BuildMI(BB, MII, DL, MCID);
+}
+
/// BuildMI - This version of the builder inserts the newly-built
/// instruction at the end of the given MachineBasicBlock, and does NOT take a
/// destination register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
DebugLoc DL,
- const TargetInstrDesc &TID) {
- return BuildMI(*BB, BB->end(), DL, TID);
+ const MCInstrDesc &MCID) {
+ return BuildMI(*BB, BB->end(), DL, MCID);
}
/// BuildMI - This version of the builder inserts the newly-built
/// instruction at the end of the given MachineBasicBlock, and sets up the first
-/// operand as a destination virtual register.
+/// operand as a destination virtual register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
DebugLoc DL,
- const TargetInstrDesc &TID,
+ const MCInstrDesc &MCID,
unsigned DestReg) {
- return BuildMI(*BB, BB->end(), DL, TID, DestReg);
+ return BuildMI(*BB, BB->end(), DL, MCID, DestReg);
}
inline unsigned getDefRegState(bool B) {
inline unsigned getDeadRegState(bool B) {
return B ? RegState::Dead : 0;
}
+inline unsigned getUndefRegState(bool B) {
+ return B ? RegState::Undef : 0;
+}
+inline unsigned getInternalReadRegState(bool B) {
+ return B ? RegState::InternalRead : 0;
+}
} // End llvm namespace