llvm-6502/lib/Target/PowerPC/PPCInstrInfo.h
Misha Brukman b5f662fa03 Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21425 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 23:30:14 +00:00

57 lines
1.8 KiB
C++

//===- PPC32InstrInfo.h - PowerPC32 Instruction Information -----*- C++ -*-===//
//
// 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 contains the PowerPC implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef POWERPC32_INSTRUCTIONINFO_H
#define POWERPC32_INSTRUCTIONINFO_H
#include "PowerPCInstrInfo.h"
#include "PPC32RegisterInfo.h"
namespace llvm {
class PPC32InstrInfo : public TargetInstrInfo {
const PPC32RegisterInfo RI;
public:
PPC32InstrInfo();
/// 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).
///
virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
//
// Return true if the instruction is a register to register move and
// leave the source and dest operands in the passed parameters.
//
virtual bool isMoveInstr(const MachineInstr& MI,
unsigned& sourceReg,
unsigned& destReg) const;
static unsigned invertPPCBranchOpcode(unsigned Opcode) {
switch (Opcode) {
default: assert(0 && "Unknown PPC branch opcode!");
case PPC::BEQ: return PPC::BNE;
case PPC::BNE: return PPC::BEQ;
case PPC::BLT: return PPC::BGE;
case PPC::BGE: return PPC::BLT;
case PPC::BGT: return PPC::BLE;
case PPC::BLE: return PPC::BGT;
}
}
};
}
#endif