2002-10-28 22:31:48 +01:00
|
|
|
//===-- CodeGen/MachineInstBuilder.h - Simplify creation of MIs -*- C++ -*-===//
|
2005-04-21 22:39:54 +02:00
|
|
|
//
|
2003-10-20 22:19:47 +02:00
|
|
|
// The LLVM Compiler Infrastructure
|
|
|
|
//
|
2007-12-29 20:59:42 +01:00
|
|
|
// This file is distributed under the University of Illinois Open Source
|
|
|
|
// License. See LICENSE.TXT for details.
|
2005-04-21 22:39:54 +02:00
|
|
|
//
|
2003-10-20 22:19:47 +02:00
|
|
|
//===----------------------------------------------------------------------===//
|
2002-10-28 22:31:48 +01:00
|
|
|
//
|
|
|
|
// This file exposes a function named BuildMI, which is useful for dramatically
|
2006-05-04 19:02:51 +02:00
|
|
|
// simplifying how MachineInstr's are created. It allows use of code like this:
|
2002-10-28 22:31:48 +01:00
|
|
|
//
|
2002-10-28 22:43:42 +01:00
|
|
|
// M = BuildMI(X86::ADDrr8, 2).addReg(argVal1).addReg(argVal2);
|
2002-10-28 22:31:48 +01:00
|
|
|
//
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
|
|
|
#ifndef LLVM_CODEGEN_MACHINEINSTRBUILDER_H
|
|
|
|
#define LLVM_CODEGEN_MACHINEINSTRBUILDER_H
|
|
|
|
|
2004-02-29 05:55:28 +01:00
|
|
|
#include "llvm/CodeGen/MachineBasicBlock.h"
|
2006-11-14 00:36:35 +01:00
|
|
|
#include "llvm/CodeGen/MachineFunction.h"
|
2002-10-28 22:31:48 +01:00
|
|
|
|
2003-11-11 23:41:34 +01:00
|
|
|
namespace llvm {
|
|
|
|
|
2008-01-07 08:27:27 +01:00
|
|
|
class TargetInstrDesc;
|
2006-11-28 00:37:22 +01:00
|
|
|
|
2003-01-13 01:18:44 +01:00
|
|
|
class MachineInstrBuilder {
|
2002-10-28 22:31:48 +01:00
|
|
|
MachineInstr *MI;
|
2003-01-13 01:18:44 +01:00
|
|
|
public:
|
2007-03-23 19:44:11 +01:00
|
|
|
explicit MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
|
2002-10-28 22:31:48 +01:00
|
|
|
|
|
|
|
/// Allow automatic conversion to the machine instruction we are working on.
|
|
|
|
///
|
|
|
|
operator MachineInstr*() const { return MI; }
|
2004-04-01 06:03:10 +02:00
|
|
|
operator MachineBasicBlock::iterator() const { return MI; }
|
2002-10-28 22:31:48 +01:00
|
|
|
|
2002-10-28 22:43:42 +01:00
|
|
|
/// addReg - Add a new virtual register operand...
|
2002-10-28 22:31:48 +01:00
|
|
|
///
|
2006-11-14 00:36:35 +01:00
|
|
|
const
|
2007-07-26 09:03:08 +02:00
|
|
|
MachineInstrBuilder &addReg(unsigned RegNo, bool isDef = false,
|
|
|
|
bool isImp = false, bool isKill = false,
|
2007-11-14 08:59:08 +01:00
|
|
|
bool isDead = false, unsigned SubReg = 0) const {
|
2007-12-30 01:35:18 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateReg(RegNo, isDef, isImp, isKill,
|
|
|
|
isDead, SubReg));
|
2002-10-28 22:31:48 +01:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2004-02-29 06:06:49 +01:00
|
|
|
/// addImm - Add a new immediate operand.
|
|
|
|
///
|
2006-05-04 20:05:43 +02:00
|
|
|
const MachineInstrBuilder &addImm(int64_t Val) const {
|
2007-12-30 01:35:18 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateImm(Val));
|
2004-02-29 06:06:49 +01:00
|
|
|
return *this;
|
|
|
|
}
|
2002-10-28 22:31:48 +01:00
|
|
|
|
2008-09-12 20:08:03 +02:00
|
|
|
const MachineInstrBuilder &addFPImm(const ConstantFP *Val) const {
|
2008-08-27 01:19:23 +02:00
|
|
|
MI->addOperand(MachineOperand::CreateFPImm(Val));
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2002-12-15 09:01:02 +01:00
|
|
|
const MachineInstrBuilder &addMBB(MachineBasicBlock *MBB) const {
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateMBB(MBB));
|
2002-12-15 09:01:02 +01:00
|
|
|
return *this;
|
|
|
|
}
|
2002-12-25 06:01:18 +01:00
|
|
|
|
|
|
|
const MachineInstrBuilder &addFrameIndex(unsigned Idx) const {
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateFI(Idx));
|
2002-12-25 06:01:18 +01:00
|
|
|
return *this;
|
|
|
|
}
|
2003-01-13 01:18:44 +01:00
|
|
|
|
2006-02-25 10:54:52 +01:00
|
|
|
const MachineInstrBuilder &addConstantPoolIndex(unsigned Idx,
|
|
|
|
int Offset = 0) const {
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateCPI(Idx, Offset));
|
2003-01-13 01:18:44 +01:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2006-04-24 08:42:15 +02:00
|
|
|
const MachineInstrBuilder &addJumpTableIndex(unsigned Idx) const {
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateJTI(Idx));
|
2006-04-24 08:42:15 +02:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2003-01-13 01:18:44 +01:00
|
|
|
const MachineInstrBuilder &addGlobalAddress(GlobalValue *GV,
|
2006-02-25 10:54:52 +01:00
|
|
|
int Offset = 0) const {
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateGA(GV, Offset));
|
2003-01-13 01:18:44 +01:00
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2006-05-04 03:15:02 +02:00
|
|
|
const MachineInstrBuilder &addExternalSymbol(const char *FnName) const{
|
2007-12-30 01:45:46 +01:00
|
|
|
MI->addOperand(MachineOperand::CreateES(FnName, 0));
|
2003-01-13 01:18:44 +01:00
|
|
|
return *this;
|
|
|
|
}
|
2002-10-28 22:31:48 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
/// BuildMI - Builder interface. Specify how to create the initial instruction
|
2006-11-28 00:37:22 +01:00
|
|
|
/// itself.
|
2002-10-28 22:31:48 +01:00
|
|
|
///
|
2008-07-08 01:14:23 +02:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineFunction &MF,
|
|
|
|
const TargetInstrDesc &TID) {
|
|
|
|
return MachineInstrBuilder(MF.CreateMachineInstr(TID));
|
2002-10-28 22:31:48 +01:00
|
|
|
}
|
|
|
|
|
2004-05-23 07:04:00 +02:00
|
|
|
/// BuildMI - This version of the builder sets up the first operand as a
|
2006-11-28 00:37:22 +01:00
|
|
|
/// destination virtual register.
|
2002-12-13 10:33:06 +01:00
|
|
|
///
|
2008-07-08 01:14:23 +02:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineFunction &MF,
|
|
|
|
const TargetInstrDesc &TID,
|
2006-11-28 03:22:51 +01:00
|
|
|
unsigned DestReg) {
|
2008-07-08 01:14:23 +02:00
|
|
|
return MachineInstrBuilder(MF.CreateMachineInstr(TID)).addReg(DestReg, true);
|
2002-12-13 10:33:06 +01:00
|
|
|
}
|
|
|
|
|
2004-05-23 07:04:00 +02:00
|
|
|
/// BuildMI - This version of the builder inserts the newly-built
|
|
|
|
/// instruction before the given position in the given MachineBasicBlock, and
|
|
|
|
/// sets up the first operand as a destination virtual register.
|
|
|
|
///
|
2004-02-29 05:55:28 +01:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
|
|
|
|
MachineBasicBlock::iterator I,
|
2008-01-07 08:27:27 +01:00
|
|
|
const TargetInstrDesc &TID,
|
2004-02-29 05:55:28 +01:00
|
|
|
unsigned DestReg) {
|
2008-07-08 01:14:23 +02:00
|
|
|
MachineInstr *MI = BB.getParent()->CreateMachineInstr(TID);
|
2004-02-29 05:55:28 +01:00
|
|
|
BB.insert(I, MI);
|
2006-09-05 04:31:13 +02:00
|
|
|
return MachineInstrBuilder(MI).addReg(DestReg, true);
|
2004-02-29 05:55:28 +01:00
|
|
|
}
|
|
|
|
|
2004-05-23 07:04:00 +02:00
|
|
|
/// 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.
|
|
|
|
///
|
2004-02-29 05:55:28 +01:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
|
|
|
|
MachineBasicBlock::iterator I,
|
2008-01-07 08:27:27 +01:00
|
|
|
const TargetInstrDesc &TID) {
|
2008-07-08 01:14:23 +02:00
|
|
|
MachineInstr *MI = BB.getParent()->CreateMachineInstr(TID);
|
2004-02-29 05:55:28 +01:00
|
|
|
BB.insert(I, MI);
|
|
|
|
return MachineInstrBuilder(MI);
|
|
|
|
}
|
|
|
|
|
2004-05-23 07:04:00 +02:00
|
|
|
/// 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.
|
2002-10-30 02:48:41 +01:00
|
|
|
///
|
2006-11-28 00:37:22 +01:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
|
2008-01-07 08:27:27 +01:00
|
|
|
const TargetInstrDesc &TID) {
|
2006-11-28 00:37:22 +01:00
|
|
|
return BuildMI(*BB, BB->end(), TID);
|
2002-10-28 22:31:48 +01:00
|
|
|
}
|
2002-10-30 00:18:23 +01:00
|
|
|
|
2004-05-23 07:04:00 +02:00
|
|
|
/// BuildMI - This version of the builder inserts the newly-built
|
|
|
|
/// instruction at the end of the given MachineBasicBlock, and sets up the first
|
2006-11-28 00:37:22 +01:00
|
|
|
/// operand as a destination virtual register.
|
2002-10-30 02:48:41 +01:00
|
|
|
///
|
2006-11-28 00:37:22 +01:00
|
|
|
inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
|
2008-01-07 08:27:27 +01:00
|
|
|
const TargetInstrDesc &TID,
|
2006-11-28 00:37:22 +01:00
|
|
|
unsigned DestReg) {
|
|
|
|
return BuildMI(*BB, BB->end(), TID, DestReg);
|
2002-10-30 02:48:41 +01:00
|
|
|
}
|
|
|
|
|
2003-11-11 23:41:34 +01:00
|
|
|
} // End llvm namespace
|
|
|
|
|
2002-10-28 22:31:48 +01:00
|
|
|
#endif
|