LLVM 19.0.0git
PPC.h
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1//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file contains the entry points for global functions defined in the LLVM
10// PowerPC back-end.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
15#define LLVM_LIB_TARGET_POWERPC_PPC_H
16
18
19// GCC #defines PPC on Linux but we use it as our namespace name
20#undef PPC
21
22namespace llvm {
23class PPCRegisterBankInfo;
24class PPCSubtarget;
25class PPCTargetMachine;
26class PassRegistry;
27class FunctionPass;
28class InstructionSelector;
29class MachineInstr;
30class MachineOperand;
31class AsmPrinter;
32class MCInst;
33class MCOperand;
34class ModulePass;
35
36#ifndef NDEBUG
37 FunctionPass *createPPCCTRLoopsVerify();
38#endif
39 FunctionPass *createPPCLoopInstrFormPrepPass(PPCTargetMachine &TM);
58 AsmPrinter &AP);
60 MCOperand &OutMO, AsmPrinter &AP);
61
62#ifndef NDEBUG
64#endif
83
84 extern char &PPCVSXFMAMutateID;
85
88 extern char &PPCLowerMASSVEntriesID;
89
92 extern char &PPCGenScalarMASSEntriesID;
93
96 const PPCRegisterBankInfo &);
97 namespace PPCII {
98
99 /// Target Operand Flag enum.
100 enum TOF {
101 //===------------------------------------------------------------------===//
102 // PPC Specific MachineOperand flags.
104
105 /// On PPC, the 12 bits are not enough for all target operand flags.
106 /// Treat all PPC target flags as direct flags. To define new flag that is
107 /// combination of other flags, add new enum entry instead of combining
108 /// existing flags. See example MO_GOT_TPREL_PCREL_FLAG.
109
110 /// On a symbol operand "FOO", this indicates that the reference is actually
111 /// to "FOO@plt". This is used for calls and jumps to external functions
112 /// and for PIC calls on 32-bit ELF systems.
114
115 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
116 /// the function's picbase, e.g. lo16(symbol-picbase).
118
119 /// MO_PCREL_FLAG - If this bit is set, the symbol reference is relative to
120 /// the current instruction address(pc), e.g., var@pcrel. Fixup is VK_PCREL.
122
123 /// MO_GOT_FLAG - If this bit is set the symbol reference is to be computed
124 /// via the GOT. For example when combined with the MO_PCREL_FLAG it should
125 /// produce the relocation @got@pcrel. Fixup is VK_PPC_GOT_PCREL.
127
128 /// MO_PCREL_OPT_FLAG - If this bit is set the operand is part of a
129 /// PC Relative linker optimization.
131
132 /// MO_TLSGD_FLAG - If this bit is set the symbol reference is relative to
133 /// TLS General Dynamic model for Linux and the variable offset of TLS
134 /// General Dynamic model for AIX.
136
137 /// MO_TPREL_FLAG - If this bit is set, the symbol reference is relative to
138 /// the thread pointer and the symbol can be used for the TLS Initial Exec
139 /// and Local Exec models.
141
142 /// MO_TLSLDM_FLAG - on AIX the ML relocation type is only valid for a
143 /// reference to a TOC symbol from the symbol itself, and right now its only
144 /// user is the symbol "_$TLSML". The symbol name is used to decide that
145 /// the R_TLSML relocation is expected.
147
148 /// MO_TLSLD_FLAG - If this bit is set the symbol reference is relative to
149 /// TLS Local Dynamic model.
151
152 /// MO_TLSGDM_FLAG - If this bit is set the symbol reference is relative
153 /// to the region handle of TLS General Dynamic model for AIX.
155
156 /// MO_GOT_TLSGD_PCREL_FLAG - A combintaion of flags, if these bits are set
157 /// they should produce the relocation @got@tlsgd@pcrel.
158 /// Fix up is VK_PPC_GOT_TLSGD_PCREL
159 /// MO_GOT_TLSGD_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG | MO_TLSGD_FLAG,
161
162 /// MO_GOT_TLSLD_PCREL_FLAG - A combintaion of flags, if these bits are set
163 /// they should produce the relocation @got@tlsld@pcrel.
164 /// Fix up is VK_PPC_GOT_TLSLD_PCREL
165 /// MO_GOT_TLSLD_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG | MO_TLSLD_FLAG,
167
168 /// MO_GOT_TPREL_PCREL_FLAG - A combintaion of flags, if these bits are set
169 /// they should produce the relocation @got@tprel@pcrel.
170 /// Fix up is VK_PPC_GOT_TPREL_PCREL
171 /// MO_GOT_TPREL_PCREL_FLAG = MO_GOT_FLAG | MO_TPREL_FLAG | MO_PCREL_FLAG,
173
174 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
177
180
181 /// These values identify relocations on immediates folded
182 /// into memory operations.
186
187 /// Symbol for VK_PPC_TLS fixup attached to an ADD instruction
189
190 /// MO_PIC_HA_FLAG = MO_PIC_FLAG | MO_HA
192
193 /// MO_PIC_LO_FLAG = MO_PIC_FLAG | MO_LO
195
196 /// MO_TPREL_PCREL_FLAG = MO_PCREL_FLAG | MO_TPREL_FLAG
198
199 /// MO_TPREL_PCREL_FLAG = MO_PCREL_FLAG | MO_TLS
201
202 /// MO_GOT_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG
204 };
205 } // end namespace PPCII
206
207} // end namespace llvm;
208
209#endif
IRTranslator LLVM IR MI
const char LLVMTargetMachineRef TM
This class is intended to be used as a driving class for all asm writers.
Definition: AsmPrinter.h:84
FunctionPass class - This class is used to implement most global optimizations.
Definition: Pass.h:311
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:184
Instances of this class represent operands of the MCInst class.
Definition: MCInst.h:36
Representation of each machine instruction.
Definition: MachineInstr.h:69
MachineOperand class - Representation of each machine instruction operand.
ModulePass class - This class is used to implement unstructured interprocedural optimizations and ana...
Definition: Pass.h:251
Common code between 32-bit and 64-bit PowerPC targets.
PassRegistry - This class manages the registration and intitialization of the pass subsystem as appli...
Definition: PassRegistry.h:37
TOF
Target Operand Flag enum.
Definition: PPC.h:100
@ MO_TLSLD_LO
Definition: PPC.h:184
@ MO_TLSLDM_FLAG
MO_TLSLDM_FLAG - on AIX the ML relocation type is only valid for a reference to a TOC symbol from the...
Definition: PPC.h:146
@ MO_PIC_LO_FLAG
MO_PIC_LO_FLAG = MO_PIC_FLAG | MO_LO.
Definition: PPC.h:194
@ MO_TPREL_PCREL_FLAG
MO_TPREL_PCREL_FLAG = MO_PCREL_FLAG | MO_TPREL_FLAG.
Definition: PPC.h:197
@ MO_GOT_TPREL_PCREL_FLAG
MO_GOT_TPREL_PCREL_FLAG - A combintaion of flags, if these bits are set they should produce the reloc...
Definition: PPC.h:172
@ MO_GOT_PCREL_FLAG
MO_GOT_PCREL_FLAG = MO_PCREL_FLAG | MO_GOT_FLAG.
Definition: PPC.h:203
@ MO_TLSGDM_FLAG
MO_TLSGDM_FLAG - If this bit is set the symbol reference is relative to the region handle of TLS Gene...
Definition: PPC.h:154
@ MO_PCREL_FLAG
MO_PCREL_FLAG - If this bit is set, the symbol reference is relative to the current instruction addre...
Definition: PPC.h:121
@ MO_TLSLD_FLAG
MO_TLSLD_FLAG - If this bit is set the symbol reference is relative to TLS Local Dynamic model.
Definition: PPC.h:150
@ MO_TLS_PCREL_FLAG
MO_TPREL_PCREL_FLAG = MO_PCREL_FLAG | MO_TLS.
Definition: PPC.h:200
@ MO_GOT_FLAG
MO_GOT_FLAG - If this bit is set the symbol reference is to be computed via the GOT.
Definition: PPC.h:126
@ MO_NO_FLAG
Definition: PPC.h:103
@ MO_TPREL_HA
Definition: PPC.h:179
@ MO_PLT
On PPC, the 12 bits are not enough for all target operand flags.
Definition: PPC.h:113
@ MO_DTPREL_LO
These values identify relocations on immediates folded into memory operations.
Definition: PPC.h:183
@ MO_TLS
Symbol for VK_PPC_TLS fixup attached to an ADD instruction.
Definition: PPC.h:188
@ MO_TPREL_FLAG
MO_TPREL_FLAG - If this bit is set, the symbol reference is relative to the thread pointer and the sy...
Definition: PPC.h:140
@ MO_TPREL_LO
Definition: PPC.h:178
@ MO_LO
MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
Definition: PPC.h:175
@ MO_GOT_TLSLD_PCREL_FLAG
MO_GOT_TLSLD_PCREL_FLAG - A combintaion of flags, if these bits are set they should produce the reloc...
Definition: PPC.h:166
@ MO_PIC_HA_FLAG
MO_PIC_HA_FLAG = MO_PIC_FLAG | MO_HA.
Definition: PPC.h:191
@ MO_TOC_LO
Definition: PPC.h:185
@ MO_TLSGD_FLAG
MO_TLSGD_FLAG - If this bit is set the symbol reference is relative to TLS General Dynamic model for ...
Definition: PPC.h:135
@ MO_GOT_TLSGD_PCREL_FLAG
MO_GOT_TLSGD_PCREL_FLAG - A combintaion of flags, if these bits are set they should produce the reloc...
Definition: PPC.h:160
@ MO_HA
Definition: PPC.h:176
@ MO_PIC_FLAG
MO_PIC_FLAG - If this bit is set, the symbol reference is relative to the function's picbase,...
Definition: PPC.h:117
@ MO_PCREL_OPT_FLAG
MO_PCREL_OPT_FLAG - If this bit is set the operand is part of a PC Relative linker optimization.
Definition: PPC.h:130
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
ModulePass * createPPCMergeStringPoolPass()
FunctionPass * createPPCPreEmitPeepholePass()
void initializePPCTLSDynamicCallPass(PassRegistry &)
FunctionPass * createPPCLoopInstrFormPrepPass(PPCTargetMachine &TM)
FunctionPass * createPPCVSXFMAMutatePass()
void initializePPCVSXFMAMutatePass(PassRegistry &)
bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO, MCOperand &OutMO, AsmPrinter &AP)
void initializePPCLowerMASSVEntriesPass(PassRegistry &)
FunctionPass * createPPCCTRLoopsPass()
Definition: PPCCTRLoops.cpp:93
FunctionPass * createPPCTLSDynamicCallPass()
void initializePPCMergeStringPoolPass(PassRegistry &)
FunctionPass * createPPCEarlyReturnPass()
void initializePPCPreEmitPeepholePass(PassRegistry &)
FunctionPass * createPPCExpandAtomicPseudoPass()
void initializePPCTOCRegDepsPass(PassRegistry &)
void initializePPCReduceCRLogicalsPass(PassRegistry &)
void initializePPCDAGToDAGISelPass(PassRegistry &)
void initializePPCVSXCopyPass(PassRegistry &)
FunctionPass * createPPCVSXCopyPass()
void initializePPCCTRLoopsVerifyPass(PassRegistry &)
FunctionPass * createPPCVSXSwapRemovalPass()
void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, AsmPrinter &AP)
void initializePPCCTRLoopsPass(PassRegistry &)
ModulePass * createPPCLowerMASSVEntriesPass()
ModulePass * createPPCGenScalarMASSEntriesPass()
void initializePPCEarlyReturnPass(PassRegistry &)
CodeGenOptLevel
Code generation optimization level.
Definition: CodeGen.h:54
void initializePPCGenScalarMASSEntriesPass(PassRegistry &)
FunctionPass * createPPCReduceCRLogicalsPass()
FunctionPass * createPPCISelDag(PPCTargetMachine &TM, CodeGenOptLevel OL)
createPPCISelDag - This pass converts a legalized DAG into a PowerPC-specific DAG,...
void initializePPCExpandAtomicPseudoPass(PassRegistry &)
FunctionPass * createPPCBranchCoalescingPass()
createPPCBranchCoalescingPass - returns an instance of the Branch Coalescing Pass
void initializePPCBSelPass(PassRegistry &)
FunctionPass * createPPCTOCRegDepsPass()
FunctionPass * createPPCCTRLoopsVerify()
void initializePPCBranchCoalescingPass(PassRegistry &)
void initializePPCBoolRetToIntPass(PassRegistry &)
void initializePPCMIPeepholePass(PassRegistry &)
void initializePPCVSXSwapRemovalPass(PassRegistry &)
char & PPCVSXFMAMutateID
char & PPCLowerMASSVEntriesID
InstructionSelector * createPPCInstructionSelector(const PPCTargetMachine &TM, const PPCSubtarget &Subtarget, const PPCRegisterBankInfo &RBI)
char & PPCGenScalarMASSEntriesID
void initializePPCLoopInstrFormPrepPass(PassRegistry &)
FunctionPass * createPPCExpandISELPass()
FunctionPass * createPPCBranchSelectionPass()
FunctionPass * createPPCBoolRetToIntPass()
FunctionPass * createPPCMIPeepholePass()
void initializePPCExpandISELPass(PassRegistry &)