llvm-6502/lib/Target/MSP430/MSP430InstrInfo.h
Benjamin Kramer 00e08fcaa0 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-13 16:26:38 +00:00

94 lines
3.2 KiB
C++

//===-- MSP430InstrInfo.h - MSP430 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 MSP430 implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MSP430_MSP430INSTRINFO_H
#define LLVM_LIB_TARGET_MSP430_MSP430INSTRINFO_H
#include "MSP430RegisterInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#define GET_INSTRINFO_HEADER
#include "MSP430GenInstrInfo.inc"
namespace llvm {
class MSP430Subtarget;
/// MSP430II - This namespace holds all of the target specific flags that
/// instruction info tracks.
///
namespace MSP430II {
enum {
SizeShift = 2,
SizeMask = 7 << SizeShift,
SizeUnknown = 0 << SizeShift,
SizeSpecial = 1 << SizeShift,
Size2Bytes = 2 << SizeShift,
Size4Bytes = 3 << SizeShift,
Size6Bytes = 4 << SizeShift
};
}
class MSP430InstrInfo : public MSP430GenInstrInfo {
const MSP430RegisterInfo RI;
virtual void anchor();
public:
explicit MSP430InstrInfo(MSP430Subtarget &STI);
/// 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 TargetRegisterInfo &getRegisterInfo() const { return RI; }
void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const override;
void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned SrcReg, bool isKill,
int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const override;
void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MI,
unsigned DestReg, int FrameIdx,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const override;
unsigned GetInstSizeInBytes(const MachineInstr *MI) const;
// Branch folding goodness
bool
ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
bool isUnpredicatedTerminator(const MachineInstr *MI) const override;
bool AnalyzeBranch(MachineBasicBlock &MBB,
MachineBasicBlock *&TBB, MachineBasicBlock *&FBB,
SmallVectorImpl<MachineOperand> &Cond,
bool AllowModify) const override;
unsigned RemoveBranch(MachineBasicBlock &MBB) const override;
unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond,
DebugLoc DL) const override;
};
}
#endif