llvm-6502/lib/Target/Hexagon/HexagonInstrInfo.h
Chandler Carruth d410eaba04 Revert r155365, r155366, and r155367. All three of these have regression
test suite failures. The failures occur at each stage, and only get
worse, so I'm reverting all of them.

Please resubmit these patches, one at a time, after verifying that the
regression test suite passes. Never submit a patch without running the
regression test suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-23 18:25:57 +00:00

176 lines
7.6 KiB
C++

//===- HexagonInstrInfo.h - Hexagon 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 Hexagon implementation of the TargetInstrInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef HexagonINSTRUCTIONINFO_H
#define HexagonINSTRUCTIONINFO_H
#include "HexagonRegisterInfo.h"
#include "MCTargetDesc/HexagonBaseInfo.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetFrameLowering.h"
#define GET_INSTRINFO_HEADER
#include "HexagonGenInstrInfo.inc"
namespace llvm {
class HexagonInstrInfo : public HexagonGenInstrInfo {
const HexagonRegisterInfo RI;
const HexagonSubtarget& Subtarget;
public:
explicit HexagonInstrInfo(HexagonSubtarget &ST);
/// 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 HexagonRegisterInfo &getRegisterInfo() const { return RI; }
/// isLoadFromStackSlot - If the specified machine instruction is a direct
/// load from a stack slot, return the virtual or physical register number of
/// the destination along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than loading from the stack slot.
virtual unsigned isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
/// isStoreToStackSlot - If the specified machine instruction is a direct
/// store to a stack slot, return the virtual or physical register number of
/// the source reg along with the FrameIndex of the loaded stack slot. If
/// not, return 0. This predicate must return 0 if the instruction has
/// any side effects other than storing to the stack slot.
virtual unsigned isStoreToStackSlot(const MachineInstr *MI,
int &FrameIndex) const;
virtual bool AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
SmallVectorImpl<MachineOperand> &Cond,
bool AllowModify) const;
virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const;
virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const SmallVectorImpl<MachineOperand> &Cond,
DebugLoc DL) const;
virtual void copyPhysReg(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg,
bool KillSrc) const;
virtual void storeRegToStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned SrcReg, bool isKill, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
virtual void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, bool isKill,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
virtual void loadRegFromStackSlot(MachineBasicBlock &MBB,
MachineBasicBlock::iterator MBBI,
unsigned DestReg, int FrameIndex,
const TargetRegisterClass *RC,
const TargetRegisterInfo *TRI) const;
virtual void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
SmallVectorImpl<MachineOperand> &Addr,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const;
virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr* MI,
const SmallVectorImpl<unsigned> &Ops,
int FrameIndex) const;
virtual MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
MachineInstr* MI,
const SmallVectorImpl<unsigned> &Ops,
MachineInstr* LoadMI) const {
return 0;
}
unsigned createVR(MachineFunction* MF, MVT VT) const;
virtual bool isPredicable(MachineInstr *MI) const;
virtual bool
PredicateInstruction(MachineInstr *MI,
const SmallVectorImpl<MachineOperand> &Cond) const;
virtual bool isProfitableToIfCvt(MachineBasicBlock &MBB, unsigned NumCyles,
unsigned ExtraPredCycles,
const BranchProbability &Probability) const;
virtual bool isProfitableToIfCvt(MachineBasicBlock &TMBB,
unsigned NumTCycles, unsigned ExtraTCycles,
MachineBasicBlock &FMBB,
unsigned NumFCycles, unsigned ExtraFCycles,
const BranchProbability &Probability) const;
virtual bool isPredicated(const MachineInstr *MI) const;
virtual bool DefinesPredicate(MachineInstr *MI,
std::vector<MachineOperand> &Pred) const;
virtual bool
SubsumesPredicate(const SmallVectorImpl<MachineOperand> &Pred1,
const SmallVectorImpl<MachineOperand> &Pred2) const;
virtual bool
ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const;
virtual bool
isProfitableToDupForIfCvt(MachineBasicBlock &MBB,unsigned NumCycles,
const BranchProbability &Probability) const;
virtual DFAPacketizer*
CreateTargetScheduleState(const TargetMachine *TM,
const ScheduleDAG *DAG) const;
virtual bool isSchedulingBoundary(const MachineInstr *MI,
const MachineBasicBlock *MBB,
const MachineFunction &MF) const;
bool isValidOffset(const int Opcode, const int Offset) const;
bool isValidAutoIncImm(const EVT VT, const int Offset) const;
bool isMemOp(const MachineInstr *MI) const;
bool isSpillPredRegOp(const MachineInstr *MI) const;
bool isU6_3Immediate(const int value) const;
bool isU6_2Immediate(const int value) const;
bool isU6_1Immediate(const int value) const;
bool isU6_0Immediate(const int value) const;
bool isS4_3Immediate(const int value) const;
bool isS4_2Immediate(const int value) const;
bool isS4_1Immediate(const int value) const;
bool isS4_0Immediate(const int value) const;
bool isS12_Immediate(const int value) const;
bool isU6_Immediate(const int value) const;
bool isS8_Immediate(const int value) const;
bool isS6_Immediate(const int value) const;
bool isConditionalALU32 (const MachineInstr* MI) const;
bool isConditionalLoad (const MachineInstr* MI) const;
bool isDeallocRet(const MachineInstr *MI) const;
unsigned getInvertedPredicatedOpcode(const int Opc) const;
private:
int getMatchingCondBranchOpcode(int Opc, bool sense) const;
};
}
#endif