llvm-6502/lib/Target/ARM/Thumb2InstrInfo.h
Dan Gohman 864e2efce2 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05 00:44:40 +00:00

59 lines
2.1 KiB
C++

//===- Thumb2InstrInfo.h - Thumb-2 Instruction Information ------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Thumb-2 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef THUMB2INSTRUCTIONINFO_H
#define THUMB2INSTRUCTIONINFO_H
#include "llvm/Target/TargetInstrInfo.h"
#include "ARM.h"
#include "ARMInstrInfo.h"
#include "Thumb2RegisterInfo.h"
namespace llvm {
class ARMSubtarget;
class Thumb2InstrInfo : public ARMBaseInstrInfo {
Thumb2RegisterInfo RI;
public:
explicit Thumb2InstrInfo(const ARMSubtarget &STI);
// Return the non-pre/post incrementing version of 'Opc'. Return 0
// if there is not such an opcode.
unsigned getUnindexedOpcode(unsigned Opc) const;
bool copyRegToReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC) const;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC) const;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC) const;
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
/// such, whenever a client has an instance of instruction info, it should
/// always be able to get register info as well (through this method).
///
const Thumb2RegisterInfo &getRegisterInfo() const { return RI; }
};
}
#endif // THUMB2INSTRUCTIONINFO_H