aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/lib/Target/PowerPC/PPC.h
blob: e4d72dd6c2d419e701fac426f6d83ae8656fffa7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
//===-- 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 PPCRegisterBankInfo; 
class PPCSubtarget; 
class PPCTargetMachine; 
class PassRegistry; 
class FunctionPass; 
class InstructionSelector; 
class MachineInstr; 
class MachineOperand; 
class AsmPrinter; 
class MCInst; 
class MCOperand; 
class ModulePass; 
 
FunctionPass *createPPCCTRLoops(); 
#ifndef NDEBUG
  FunctionPass *createPPCCTRLoopsVerify();
#endif
  FunctionPass *createPPCLoopInstrFormPrepPass(PPCTargetMachine &TM);
  FunctionPass *createPPCTOCRegDepsPass();
  FunctionPass *createPPCEarlyReturnPass();
  FunctionPass *createPPCVSXCopyPass();
  FunctionPass *createPPCVSXFMAMutatePass();
  FunctionPass *createPPCVSXSwapRemovalPass();
  FunctionPass *createPPCReduceCRLogicalsPass();
  FunctionPass *createPPCMIPeepholePass();
  FunctionPass *createPPCBranchSelectionPass();
  FunctionPass *createPPCBranchCoalescingPass();
  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 LowerPPCMachineOperandToMCOperand(const MachineOperand &MO,
                                         MCOperand &OutMO, AsmPrinter &AP);

  void initializePPCCTRLoopsPass(PassRegistry&);
#ifndef NDEBUG
  void initializePPCCTRLoopsVerifyPass(PassRegistry&);
#endif
  void initializePPCLoopInstrFormPrepPass(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 initializePPCBoolRetToIntPass(PassRegistry&);
  void initializePPCExpandISELPass(PassRegistry &);
  void initializePPCPreEmitPeepholePass(PassRegistry &);
  void initializePPCTLSDynamicCallPass(PassRegistry &);
  void initializePPCMIPeepholePass(PassRegistry&);

  extern char &PPCVSXFMAMutateID;

  ModulePass *createPPCLowerMASSVEntriesPass();
  void initializePPCLowerMASSVEntriesPass(PassRegistry &);
  extern char &PPCLowerMASSVEntriesID;
 
  InstructionSelector * 
  createPPCInstructionSelector(const PPCTargetMachine &, const PPCSubtarget &, 
                               const PPCRegisterBankInfo &); 
  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
    /// and for PIC calls on 32-bit 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_PCREL_FLAG - If this bit is set, the symbol reference is relative to
    /// the current instruction address(pc), e.g., var@pcrel. Fixup is VK_PCREL.
    MO_PCREL_FLAG = 4,

    /// MO_GOT_FLAG - If this bit is set the symbol reference is to be computed
    /// via the GOT. For example when combined with the MO_PCREL_FLAG it should
    /// produce the relocation @got@pcrel. Fixup is VK_PPC_GOT_PCREL.
    MO_GOT_FLAG = 8,

    // MO_PCREL_OPT_FLAG - If this bit is set the operand is part of a 
    // PC Relative linker optimization. 
    MO_PCREL_OPT_FLAG = 16, 
 
    /// MO_TLSGD_FLAG - If this bit is set the symbol reference is relative to 
    /// TLS General Dynamic model. 
    MO_TLSGD_FLAG = 32, 
 
    /// MO_TPREL_FLAG - If this bit is set the symbol reference is relative to 
    /// TLS Initial Exec model. 
    MO_TPREL_FLAG = 64, 
 
    /// MO_TLSLD_FLAG - If this bit is set the symbol reference is relative to 
    /// TLS Local Dynamic model. 
    MO_TLSLD_FLAG = 128, 
 
    /// MO_GOT_TLSGD_PCREL_FLAG - A combintaion of flags, if these bits are set 
    /// they should produce the relocation @got@tlsgd@pcrel. 
    /// Fix up is VK_PPC_GOT_TLSGD_PCREL 
    MO_GOT_TLSGD_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG | MO_TLSGD_FLAG, 
 
    /// MO_GOT_TLSLD_PCREL_FLAG - A combintaion of flags, if these bits are set 
    /// they should produce the relocation @got@tlsld@pcrel. 
    /// Fix up is VK_PPC_GOT_TLSLD_PCREL 
    MO_GOT_TLSLD_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG | MO_TLSLD_FLAG, 
 
    /// MO_GOT_TPREL_PCREL_FLAG - A combintaion of flags, if these bits are set 
    /// they should produce the relocation @got@tprel@pcrel. 
    /// Fix up is VK_PPC_GOT_TPREL_PCREL 
    MO_GOT_TPREL_PCREL_FLAG = MO_GOT_FLAG | MO_TPREL_FLAG | MO_PCREL_FLAG, 
 
    /// The next are not flags but distinct values.
    MO_ACCESS_MASK = 0xf00,

    /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
    MO_LO = 1 << 8,
    MO_HA = 2 << 8,

    MO_TPREL_LO = 4 << 8,
    MO_TPREL_HA = 3 << 8,

    /// These values identify relocations on immediates folded
    /// into memory operations.
    MO_DTPREL_LO = 5 << 8,
    MO_TLSLD_LO = 6 << 8,
    MO_TOC_LO = 7 << 8,

    // Symbol for VK_PPC_TLS fixup attached to an ADD instruction
    MO_TLS = 8 << 8
  };
  } // end namespace PPCII

} // end namespace llvm;

#endif