llvm-project/llvm/lib/Target/PowerPC/PPC.h

130 lines
4.6 KiB
C++

//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the entry points for global functions defined in the LLVM
// PowerPC back-end.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
#define LLVM_LIB_TARGET_POWERPC_PPC_H
#include "llvm/Support/CodeGen.h"
// GCC #defines PPC on Linux but we use it as our namespace name
#undef PPC
namespace llvm {
class PPCTargetMachine;
class PassRegistry;
class FunctionPass;
class MachineInstr;
class MachineOperand;
class AsmPrinter;
class MCInst;
class MCOperand;
FunctionPass *createPPCCTRLoops();
#ifndef NDEBUG
FunctionPass *createPPCCTRLoopsVerify();
#endif
FunctionPass *createPPCLoopPreIncPrepPass(PPCTargetMachine &TM);
FunctionPass *createPPCTOCRegDepsPass();
FunctionPass *createPPCEarlyReturnPass();
FunctionPass *createPPCVSXCopyPass();
FunctionPass *createPPCVSXFMAMutatePass();
FunctionPass *createPPCVSXSwapRemovalPass();
FunctionPass *createPPCReduceCRLogicalsPass();
FunctionPass *createPPCMIPeepholePass();
FunctionPass *createPPCBranchSelectionPass();
FunctionPass *createPPCBranchCoalescingPass();
FunctionPass *createPPCQPXLoadSplatPass();
FunctionPass *createPPCISelDag(PPCTargetMachine &TM, CodeGenOpt::Level OL);
FunctionPass *createPPCTLSDynamicCallPass();
FunctionPass *createPPCBoolRetToIntPass();
FunctionPass *createPPCExpandISELPass();
FunctionPass *createPPCPreEmitPeepholePass();
void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
AsmPrinter &AP, bool isDarwin);
bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO,
MCOperand &OutMO, AsmPrinter &AP,
bool isDarwin);
void initializePPCCTRLoopsPass(PassRegistry&);
#ifndef NDEBUG
void initializePPCCTRLoopsVerifyPass(PassRegistry&);
#endif
void initializePPCLoopPreIncPrepPass(PassRegistry&);
void initializePPCTOCRegDepsPass(PassRegistry&);
void initializePPCEarlyReturnPass(PassRegistry&);
void initializePPCVSXCopyPass(PassRegistry&);
void initializePPCVSXFMAMutatePass(PassRegistry&);
void initializePPCVSXSwapRemovalPass(PassRegistry&);
void initializePPCReduceCRLogicalsPass(PassRegistry&);
void initializePPCBSelPass(PassRegistry&);
void initializePPCBranchCoalescingPass(PassRegistry&);
void initializePPCQPXLoadSplatPass(PassRegistry&);
void initializePPCBoolRetToIntPass(PassRegistry&);
void initializePPCExpandISELPass(PassRegistry &);
void initializePPCPreEmitPeepholePass(PassRegistry &);
void initializePPCTLSDynamicCallPass(PassRegistry &);
void initializePPCMIPeepholePass(PassRegistry&);
extern char &PPCVSXFMAMutateID;
namespace PPCII {
/// Target Operand Flag enum.
enum TOF {
//===------------------------------------------------------------------===//
// PPC Specific MachineOperand flags.
MO_NO_FLAG,
/// On a symbol operand "FOO", this indicates that the reference is actually
/// to "FOO@plt". This is used for calls and jumps to external functions on
/// for PIC calls on Linux and ELF systems.
MO_PLT = 1,
/// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
/// the function's picbase, e.g. lo16(symbol-picbase).
MO_PIC_FLAG = 2,
/// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
/// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
MO_NLP_FLAG = 4,
/// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
/// symbol with hidden visibility. This causes a different kind of
/// non-lazy-pointer to be generated.
MO_NLP_HIDDEN_FLAG = 8,
/// The next are not flags but distinct values.
MO_ACCESS_MASK = 0xf0,
/// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
MO_LO = 1 << 4,
MO_HA = 2 << 4,
MO_TPREL_LO = 4 << 4,
MO_TPREL_HA = 3 << 4,
/// These values identify relocations on immediates folded
/// into memory operations.
MO_DTPREL_LO = 5 << 4,
MO_TLSLD_LO = 6 << 4,
MO_TOC_LO = 7 << 4,
// Symbol for VK_PPC_TLS fixup attached to an ADD instruction
MO_TLS = 8 << 4
};
} // end namespace PPCII
} // end namespace llvm;
#endif