1 //===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 // This file contains the entry points for global functions defined in the LLVM
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_POWERPC_PPC_H
15 #define LLVM_LIB_TARGET_POWERPC_PPC_H
17 #include "llvm/Support/CodeGen.h"
19 // GCC #defines PPC on Linux but we use it as our namespace name
23 class PPCRegisterBankInfo
;
25 class PPCTargetMachine
;
28 class InstructionSelector
;
36 FunctionPass
*createPPCCTRLoops();
38 FunctionPass
*createPPCCTRLoopsVerify();
40 FunctionPass
*createPPCLoopInstrFormPrepPass(PPCTargetMachine
&TM
);
41 FunctionPass
*createPPCTOCRegDepsPass();
42 FunctionPass
*createPPCEarlyReturnPass();
43 FunctionPass
*createPPCVSXCopyPass();
44 FunctionPass
*createPPCVSXFMAMutatePass();
45 FunctionPass
*createPPCVSXSwapRemovalPass();
46 FunctionPass
*createPPCReduceCRLogicalsPass();
47 FunctionPass
*createPPCMIPeepholePass();
48 FunctionPass
*createPPCBranchSelectionPass();
49 FunctionPass
*createPPCBranchCoalescingPass();
50 FunctionPass
*createPPCISelDag(PPCTargetMachine
&TM
, CodeGenOpt::Level OL
);
51 FunctionPass
*createPPCTLSDynamicCallPass();
52 FunctionPass
*createPPCBoolRetToIntPass();
53 FunctionPass
*createPPCExpandISELPass();
54 FunctionPass
*createPPCPreEmitPeepholePass();
55 FunctionPass
*createPPCExpandAtomicPseudoPass();
56 void LowerPPCMachineInstrToMCInst(const MachineInstr
*MI
, MCInst
&OutMI
,
58 bool LowerPPCMachineOperandToMCOperand(const MachineOperand
&MO
,
59 MCOperand
&OutMO
, AsmPrinter
&AP
);
61 void initializePPCCTRLoopsPass(PassRegistry
&);
63 void initializePPCCTRLoopsVerifyPass(PassRegistry
&);
65 void initializePPCLoopInstrFormPrepPass(PassRegistry
&);
66 void initializePPCTOCRegDepsPass(PassRegistry
&);
67 void initializePPCEarlyReturnPass(PassRegistry
&);
68 void initializePPCVSXCopyPass(PassRegistry
&);
69 void initializePPCVSXFMAMutatePass(PassRegistry
&);
70 void initializePPCVSXSwapRemovalPass(PassRegistry
&);
71 void initializePPCReduceCRLogicalsPass(PassRegistry
&);
72 void initializePPCBSelPass(PassRegistry
&);
73 void initializePPCBranchCoalescingPass(PassRegistry
&);
74 void initializePPCBoolRetToIntPass(PassRegistry
&);
75 void initializePPCExpandISELPass(PassRegistry
&);
76 void initializePPCPreEmitPeepholePass(PassRegistry
&);
77 void initializePPCTLSDynamicCallPass(PassRegistry
&);
78 void initializePPCMIPeepholePass(PassRegistry
&);
79 void initializePPCExpandAtomicPseudoPass(PassRegistry
&);
81 extern char &PPCVSXFMAMutateID
;
83 ModulePass
*createPPCLowerMASSVEntriesPass();
84 void initializePPCLowerMASSVEntriesPass(PassRegistry
&);
85 extern char &PPCLowerMASSVEntriesID
;
88 createPPCInstructionSelector(const PPCTargetMachine
&, const PPCSubtarget
&,
89 const PPCRegisterBankInfo
&);
92 /// Target Operand Flag enum.
94 //===------------------------------------------------------------------===//
95 // PPC Specific MachineOperand flags.
98 /// On a symbol operand "FOO", this indicates that the reference is actually
99 /// to "FOO@plt". This is used for calls and jumps to external functions
100 /// and for PIC calls on 32-bit ELF systems.
103 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
104 /// the function's picbase, e.g. lo16(symbol-picbase).
107 /// MO_PCREL_FLAG - If this bit is set, the symbol reference is relative to
108 /// the current instruction address(pc), e.g., var@pcrel. Fixup is VK_PCREL.
111 /// MO_GOT_FLAG - If this bit is set the symbol reference is to be computed
112 /// via the GOT. For example when combined with the MO_PCREL_FLAG it should
113 /// produce the relocation @got@pcrel. Fixup is VK_PPC_GOT_PCREL.
116 // MO_PCREL_OPT_FLAG - If this bit is set the operand is part of a
117 // PC Relative linker optimization.
118 MO_PCREL_OPT_FLAG
= 16,
120 /// MO_TLSGD_FLAG - If this bit is set the symbol reference is relative to
121 /// TLS General Dynamic model for Linux and the variable offset of TLS
122 /// General Dynamic model for AIX.
125 /// MO_TPREL_FLAG - If this bit is set the symbol reference is relative to
126 /// TLS Initial Exec model.
129 /// MO_TLSLD_FLAG - If this bit is set the symbol reference is relative to
130 /// TLS Local Dynamic model.
133 /// MO_TLSGDM_FLAG - If this bit is set the symbol reference is relative
134 /// to the region handle of TLS General Dynamic model for AIX.
135 MO_TLSGDM_FLAG
= 256,
137 /// MO_GOT_TLSGD_PCREL_FLAG - A combintaion of flags, if these bits are set
138 /// they should produce the relocation @got@tlsgd@pcrel.
139 /// Fix up is VK_PPC_GOT_TLSGD_PCREL
140 MO_GOT_TLSGD_PCREL_FLAG
= MO_PCREL_FLAG
| MO_GOT_FLAG
| MO_TLSGD_FLAG
,
142 /// MO_GOT_TLSLD_PCREL_FLAG - A combintaion of flags, if these bits are set
143 /// they should produce the relocation @got@tlsld@pcrel.
144 /// Fix up is VK_PPC_GOT_TLSLD_PCREL
145 MO_GOT_TLSLD_PCREL_FLAG
= MO_PCREL_FLAG
| MO_GOT_FLAG
| MO_TLSLD_FLAG
,
147 /// MO_GOT_TPREL_PCREL_FLAG - A combintaion of flags, if these bits are set
148 /// they should produce the relocation @got@tprel@pcrel.
149 /// Fix up is VK_PPC_GOT_TPREL_PCREL
150 MO_GOT_TPREL_PCREL_FLAG
= MO_GOT_FLAG
| MO_TPREL_FLAG
| MO_PCREL_FLAG
,
152 /// The next are not flags but distinct values.
153 MO_ACCESS_MASK
= 0xf00,
155 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
159 MO_TPREL_LO
= 4 << 8,
160 MO_TPREL_HA
= 3 << 8,
162 /// These values identify relocations on immediates folded
163 /// into memory operations.
164 MO_DTPREL_LO
= 5 << 8,
165 MO_TLSLD_LO
= 6 << 8,
168 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction
171 } // end namespace PPCII
173 } // end namespace llvm;