LLVM  10.0.0svn
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 
17 #include "llvm/Support/CodeGen.h"
18 
19 // GCC #defines PPC on Linux but we use it as our namespace name
20 #undef PPC
21 
22 namespace llvm {
23  class PPCTargetMachine;
24  class PassRegistry;
25  class FunctionPass;
26  class MachineInstr;
27  class MachineOperand;
28  class AsmPrinter;
29  class MCInst;
30  class MCOperand;
31 
32  FunctionPass *createPPCCTRLoops();
33 #ifndef NDEBUG
34  FunctionPass *createPPCCTRLoopsVerify();
35 #endif
36  FunctionPass *createPPCLoopPreIncPrepPass(PPCTargetMachine &TM);
37  FunctionPass *createPPCTOCRegDepsPass();
38  FunctionPass *createPPCEarlyReturnPass();
39  FunctionPass *createPPCVSXCopyPass();
40  FunctionPass *createPPCVSXFMAMutatePass();
41  FunctionPass *createPPCVSXSwapRemovalPass();
42  FunctionPass *createPPCReduceCRLogicalsPass();
43  FunctionPass *createPPCMIPeepholePass();
44  FunctionPass *createPPCBranchSelectionPass();
45  FunctionPass *createPPCBranchCoalescingPass();
46  FunctionPass *createPPCQPXLoadSplatPass();
47  FunctionPass *createPPCISelDag(PPCTargetMachine &TM, CodeGenOpt::Level OL);
48  FunctionPass *createPPCTLSDynamicCallPass();
49  FunctionPass *createPPCBoolRetToIntPass();
50  FunctionPass *createPPCExpandISELPass();
51  FunctionPass *createPPCPreEmitPeepholePass();
52  void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
53  AsmPrinter &AP, bool IsDarwin);
54  bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO,
55  MCOperand &OutMO, AsmPrinter &AP,
56  bool IsDarwin);
57 
58  void initializePPCCTRLoopsPass(PassRegistry&);
59 #ifndef NDEBUG
60  void initializePPCCTRLoopsVerifyPass(PassRegistry&);
61 #endif
62  void initializePPCLoopPreIncPrepPass(PassRegistry&);
63  void initializePPCTOCRegDepsPass(PassRegistry&);
64  void initializePPCEarlyReturnPass(PassRegistry&);
65  void initializePPCVSXCopyPass(PassRegistry&);
66  void initializePPCVSXFMAMutatePass(PassRegistry&);
67  void initializePPCVSXSwapRemovalPass(PassRegistry&);
68  void initializePPCReduceCRLogicalsPass(PassRegistry&);
69  void initializePPCBSelPass(PassRegistry&);
70  void initializePPCBranchCoalescingPass(PassRegistry&);
71  void initializePPCQPXLoadSplatPass(PassRegistry&);
72  void initializePPCBoolRetToIntPass(PassRegistry&);
73  void initializePPCExpandISELPass(PassRegistry &);
74  void initializePPCPreEmitPeepholePass(PassRegistry &);
75  void initializePPCTLSDynamicCallPass(PassRegistry &);
76  void initializePPCMIPeepholePass(PassRegistry&);
77 
78  extern char &PPCVSXFMAMutateID;
79 
80  namespace PPCII {
81 
82  /// Target Operand Flag enum.
83  enum TOF {
84  //===------------------------------------------------------------------===//
85  // PPC Specific MachineOperand flags.
87 
88  /// On a symbol operand "FOO", this indicates that the reference is actually
89  /// to "FOO@plt". This is used for calls and jumps to external functions
90  /// and for PIC calls on 32-bit ELF systems.
91  MO_PLT = 1,
92 
93  /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to
94  /// the function's picbase, e.g. lo16(symbol-picbase).
96 
97  /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to
98  /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase).
100 
101  /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a
102  /// symbol with hidden visibility. This causes a different kind of
103  /// non-lazy-pointer to be generated.
105 
106  /// The next are not flags but distinct values.
108 
109  /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
110  MO_LO = 1 << 4,
111  MO_HA = 2 << 4,
112 
113  MO_TPREL_LO = 4 << 4,
114  MO_TPREL_HA = 3 << 4,
115 
116  /// These values identify relocations on immediates folded
117  /// into memory operations.
118  MO_DTPREL_LO = 5 << 4,
119  MO_TLSLD_LO = 6 << 4,
120  MO_TOC_LO = 7 << 4,
121 
122  // Symbol for VK_PPC_TLS fixup attached to an ADD instruction
123  MO_TLS = 8 << 4
124  };
125  } // end namespace PPCII
126 
127 } // end namespace llvm;
128 
129 #endif
void initializePPCTOCRegDepsPass(PassRegistry &)
void initializePPCVSXCopyPass(PassRegistry &)
This class represents lattice values for constants.
Definition: AllocatorList.h:23
FunctionPass * createPPCVSXSwapRemovalPass()
void initializePPCCTRLoopsVerifyPass(PassRegistry &)
void initializePPCTLSDynamicCallPass(PassRegistry &)
FunctionPass * createPPCVSXFMAMutatePass()
void initializePPCQPXLoadSplatPass(PassRegistry &)
MO_LO, MO_HA - lo16(symbol) and ha16(symbol)
Definition: PPC.h:110
void initializePPCMIPeepholePass(PassRegistry &)
char & PPCVSXFMAMutateID
TOF
Target Operand Flag enum.
Definition: PPC.h:83
FunctionPass * createPPCTLSDynamicCallPass()
FunctionPass * createPPCTOCRegDepsPass()
void initializePPCBSelPass(PassRegistry &)
void initializePPCReduceCRLogicalsPass(PassRegistry &)
FunctionPass * createPPCCTRLoops()
void initializePPCBranchCoalescingPass(PassRegistry &)
void initializePPCLoopPreIncPrepPass(PassRegistry &)
FunctionPass * createPPCReduceCRLogicalsPass()
FunctionPass * createPPCBranchCoalescingPass()
createPPCBranchCoalescingPass - returns an instance of the Branch Coalescing Pass ...
MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a symbol with hidden visibility...
Definition: PPC.h:104
FunctionPass * createPPCCTRLoopsVerify()
void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, AsmPrinter &AP, bool IsDarwin)
FunctionPass * createPPCBoolRetToIntPass()
void initializePPCVSXSwapRemovalPass(PassRegistry &)
FunctionPass * createPPCBranchSelectionPass()
void initializePPCBoolRetToIntPass(PassRegistry &)
FunctionPass * createPPCEarlyReturnPass()
MO_NLP_FLAG - If this bit is set, the symbol reference is actually to the non_lazy_ptr for the global...
Definition: PPC.h:99
bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO, MCOperand &OutMO, AsmPrinter &AP, bool IsDarwin)
void initializePPCVSXFMAMutatePass(PassRegistry &)
void initializePPCEarlyReturnPass(PassRegistry &)
FunctionPass * createPPCVSXCopyPass()
void initializePPCCTRLoopsPass(PassRegistry &)
The next are not flags but distinct values.
Definition: PPC.h:107
void initializePPCExpandISELPass(PassRegistry &)
These values identify relocations on immediates folded into memory operations.
Definition: PPC.h:118
void initializePPCPreEmitPeepholePass(PassRegistry &)
FunctionPass * createPPCISelDag(PPCTargetMachine &TM, CodeGenOpt::Level OL)
createPPCISelDag - This pass converts a legalized DAG into a PowerPC-specific DAG, ready for instruction scheduling.
FunctionPass * createPPCQPXLoadSplatPass()
FunctionPass * createPPCMIPeepholePass()
FunctionPass * createPPCLoopPreIncPrepPass(PPCTargetMachine &TM)
FunctionPass * createPPCPreEmitPeepholePass()
IRTranslator LLVM IR MI
On a symbol operand "FOO", this indicates that the reference is actually to "FOO@plt".
Definition: PPC.h:91
MO_PIC_FLAG - If this bit is set, the symbol reference is relative to the function&#39;s picbase...
Definition: PPC.h:95
FunctionPass * createPPCExpandISELPass()