//
// 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.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/Target/TargetMachine.h"
namespace llvm {
+class TargetInstrDescriptor;
+
class MachineInstrBuilder {
MachineInstr *MI;
public:
- MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
+ explicit MachineInstrBuilder(MachineInstr *mi) : MI(mi) {}
/// Allow automatic conversion to the machine instruction we are working on.
///
/// 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, bool isDef = false,
+ bool isImp = false, bool isKill = false,
+ bool isDead = false, unsigned SubReg = 0) const {
+ MI->addRegOperand(RegNo, isDef, isImp, isKill, isDead, SubReg);
return *this;
}
};
/// BuildMI - Builder interface. Specify how to create the initial instruction
-/// itself. NumOperands is the number of operands to the machine instruction to
-/// allow for memory efficient representation of machine instructions.
+/// itself.
///
-inline MachineInstrBuilder BuildMI(const TargetInstrInfo &TII, int Opcode,
- unsigned NumOperands) {
- return MachineInstrBuilder(new MachineInstr(TII, Opcode, NumOperands));
+inline MachineInstrBuilder BuildMI(const TargetInstrDescriptor &TID) {
+ return MachineInstrBuilder(new MachineInstr(TID));
}
/// BuildMI - This version of the builder sets up the first operand as a
-/// destination virtual register. NumOperands is the number of additional add*
-/// calls that are expected, not including the destination register.
+/// destination virtual register.
///
-inline MachineInstrBuilder BuildMI(const TargetInstrInfo &TII, int Opcode,
- unsigned NumOperands, unsigned DestReg) {
- return MachineInstrBuilder(new MachineInstr(TII, Opcode, NumOperands+1))
- .addReg(DestReg, true);
+inline MachineInstrBuilder BuildMI(const TargetInstrDescriptor &TID,
+ unsigned DestReg) {
+ return MachineInstrBuilder(new MachineInstr(TID)).addReg(DestReg, true);
}
/// 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.
-/// NumOperands is the number of additional add* calls that are expected,
-/// not including the destination register.
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
- int Opcode, unsigned NumOperands,
+ const TargetInstrDescriptor &TID,
unsigned DestReg) {
- MachineInstr *MI = new MachineInstr(*BB.getParent()->getTarget().
- getInstrInfo(), Opcode, NumOperands+1);
+ MachineInstr *MI = new MachineInstr(TID);
BB.insert(I, MI);
return MachineInstrBuilder(MI).addReg(DestReg, true);
}
///
inline MachineInstrBuilder BuildMI(MachineBasicBlock &BB,
MachineBasicBlock::iterator I,
- int Opcode, unsigned NumOperands) {
- MachineInstr *MI = new MachineInstr(*BB.getParent()->getTarget().
- getInstrInfo(), Opcode, NumOperands);
+ const TargetInstrDescriptor &TID) {
+ MachineInstr *MI = new MachineInstr(TID);
BB.insert(I, MI);
return MachineInstrBuilder(MI);
}
/// instruction at the end of the given MachineBasicBlock, and does NOT take a
/// destination register.
///
-inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB, int Opcode,
- unsigned NumOperands) {
- return BuildMI(*BB, BB->end(), Opcode, NumOperands);
+inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
+ const TargetInstrDescriptor &TID) {
+ return BuildMI(*BB, BB->end(), TID);
}
/// 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. NumOperands is the number of
-/// additional add* calls that are expected, not including the destination
-/// register.
+/// operand as a destination virtual register.
///
-inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB, int Opcode,
- unsigned NumOperands, unsigned DestReg) {
- return BuildMI(*BB, BB->end(), Opcode, NumOperands, DestReg);
+inline MachineInstrBuilder BuildMI(MachineBasicBlock *BB,
+ const TargetInstrDescriptor &TID,
+ unsigned DestReg) {
+ return BuildMI(*BB, BB->end(), TID, DestReg);
}
} // End llvm namespace