//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_CODEGEN_MACHINEINSTRBUILDER_H
#define LLVM_CODEGEN_MACHINEINSTRBUILDER_H
-#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/Support/ErrorHandling.h"
namespace llvm {
-class TargetInstrDescriptor;
+class MCInstrDesc;
+class MDNode;
+
+namespace RegState {
+ enum {
+ Define = 0x2,
+ Implicit = 0x4,
+ Kill = 0x8,
+ Dead = 0x10,
+ Undef = 0x20,
+ EarlyClobber = 0x40,
+ Debug = 0x80,
+ ImplicitDefine = Implicit | Define,
+ ImplicitKill = Implicit | Kill
+ };
+}
class MachineInstrBuilder {
MachineInstr *MI;
public:
- MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
+ 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...
///
const
- MachineInstrBuilder &addReg(int RegNo, bool isDef = false, bool isImp = false,
- bool isKill = false, bool isDead = false) const {
- MI->addRegOperand(RegNo, isDef, isImp);
+ MachineInstrBuilder &addReg(unsigned RegNo, unsigned flags = 0,
+ unsigned SubReg = 0) const {
+ assert((flags & 0x1) == 0 &&
+ "Passing in 'true' to addReg is forbidden! Use enums instead.");
+ MI->addOperand(MachineOperand::CreateReg(RegNo,
+ flags & RegState::Define,
+ flags & RegState::Implicit,
+ flags & RegState::Kill,
+ flags & RegState::Dead,
+ flags & RegState::Undef,
+ flags & RegState::EarlyClobber,
+ SubReg,
+ flags & RegState::Debug));
return *this;
}
/// addImm - Add a new immediate operand.
///
const MachineInstrBuilder &addImm(int64_t Val) const {
- MI->addImmOperand(Val);
+ MI->addOperand(MachineOperand::CreateImm(Val));
+ return *this;
+ }
+
+ const MachineInstrBuilder &addCImm(const ConstantInt *Val) const {
+ MI->addOperand(MachineOperand::CreateCImm(Val));
return *this;
}
- const MachineInstrBuilder &addMBB(MachineBasicBlock *MBB) const {
- MI->addMachineBasicBlockOperand(MBB);
+ const MachineInstrBuilder &addFPImm(const ConstantFP *Val) const {
+ MI->addOperand(MachineOperand::CreateFPImm(Val));
return *this;
}
- const MachineInstrBuilder &addFrameIndex(unsigned Idx) const {
- MI->addFrameIndexOperand(Idx);
+ const MachineInstrBuilder &addMBB(MachineBasicBlock *MBB,
+ unsigned char TargetFlags = 0) const {
+ MI->addOperand(MachineOperand::CreateMBB(MBB, TargetFlags));
+ return *this;
+ }
+
+ const MachineInstrBuilder &addFrameIndex(int Idx) const {
+ MI->addOperand(MachineOperand::CreateFI(Idx));
return *this;
}
const MachineInstrBuilder &addConstantPoolIndex(unsigned Idx,
- int Offset = 0) const {
- MI->addConstantPoolIndexOperand(Idx, Offset);
+ int Offset = 0,
+ unsigned char TargetFlags = 0) const {
+ MI->addOperand(MachineOperand::CreateCPI(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(const GlobalValue *GV,
+ int64_t Offset = 0,
+ unsigned char TargetFlags = 0) const {
+ MI->addOperand(MachineOperand::CreateGA(GV, Offset, TargetFlags));
+ return *this;
+ }
+
+ const MachineInstrBuilder &addExternalSymbol(const char *FnName,
+ unsigned char TargetFlags = 0) const {
+ MI->addOperand(MachineOperand::CreateES(FnName, TargetFlags));
+ 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 {
+ MI->addOperand(MO);
return *this;
}
- const MachineInstrBuilder &addJumpTableIndex(unsigned Idx) const {
- MI->addJumpTableIndexOperand(Idx);
+ 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 &addGlobalAddress(GlobalValue *GV,
- int Offset = 0) const {
- MI->addGlobalAddressOperand(GV, Offset);
+ const MachineInstrBuilder &setMIFlags(unsigned Flags) const {
+ MI->setFlags(Flags);
return *this;
}
- const MachineInstrBuilder &addExternalSymbol(const char *FnName) const{
- MI->addExternalSymbolOperand(FnName);
+ 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
/// itself.
///
-inline MachineInstrBuilder BuildMI(const TargetInstrDescriptor &TID) {
- return MachineInstrBuilder(new MachineInstr(TID));
+inline MachineInstrBuilder BuildMI(MachineFunction &MF,
+ DebugLoc DL,
+ const MCInstrDesc &MCID) {
+ return MachineInstrBuilder(MF.CreateMachineInstr(MCID, DL));
}
/// BuildMI - This version of the builder sets up the first operand as a
/// destination virtual register.
///
-inline MachineInstrBuilder BuildMI(const TargetInstrDescriptor &TID,
- unsigned DestReg) {
- return MachineInstrBuilder(new MachineInstr(TID)).addReg(DestReg, true);
+inline MachineInstrBuilder BuildMI(MachineFunction &MF,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
+ unsigned DestReg) {
+ return MachineInstrBuilder(MF.CreateMachineInstr(MCID, DL))
+ .addReg(DestReg, RegState::Define);
}
/// BuildMI - This version of the builder inserts the newly-built
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
- const TargetInstrDescriptor &TID,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
unsigned DestReg) {
- MachineInstr *MI = new MachineInstr(TID);
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
BB.insert(I, MI);
- return MachineInstrBuilder(MI).addReg(DestReg, true);
+ return MachineInstrBuilder(MI).addReg(DestReg, RegState::Define);
}
/// BuildMI - This version of the builder inserts the newly-built
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
- const TargetInstrDescriptor &TID) {
- MachineInstr *MI = new MachineInstr(TID);
+ DebugLoc DL,
+ const MCInstrDesc &MCID) {
+ MachineInstr *MI = BB.getParent()->CreateMachineInstr(MCID, DL);
BB.insert(I, MI);
return MachineInstrBuilder(MI);
}
/// destination register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
- const TargetInstrDescriptor &TID) {
- return BuildMI(*BB, BB->end(), TID);
+ DebugLoc DL,
+ 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,
- const TargetInstrDescriptor &TID,
+ DebugLoc DL,
+ const MCInstrDesc &MCID,
unsigned DestReg) {
- return BuildMI(*BB, BB->end(), TID, DestReg);
+ return BuildMI(*BB, BB->end(), DL, MCID, DestReg);
+}
+
+inline unsigned getDefRegState(bool B) {
+ return B ? RegState::Define : 0;
+}
+inline unsigned getImplRegState(bool B) {
+ return B ? RegState::Implicit : 0;
+}
+inline unsigned getKillRegState(bool B) {
+ return B ? RegState::Kill : 0;
+}
+inline unsigned getDeadRegState(bool B) {
+ return B ? RegState::Dead : 0;
+}
+inline unsigned getUndefRegState(bool B) {
+ return B ? RegState::Undef : 0;
}
} // End llvm namespace
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