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 class ModulePass; 32 33 FunctionPass *createPPCCTRLoops(); 34 #ifndef NDEBUG 35 FunctionPass *createPPCCTRLoopsVerify(); 36 #endif 37 FunctionPass *createPPCLoopInstrFormPrepPass(PPCTargetMachine &TM); 38 FunctionPass *createPPCTOCRegDepsPass(); 39 FunctionPass *createPPCEarlyReturnPass(); 40 FunctionPass *createPPCVSXCopyPass(); 41 FunctionPass *createPPCVSXFMAMutatePass(); 42 FunctionPass *createPPCVSXSwapRemovalPass(); 43 FunctionPass *createPPCReduceCRLogicalsPass(); 44 FunctionPass *createPPCMIPeepholePass(); 45 FunctionPass *createPPCBranchSelectionPass(); 46 FunctionPass *createPPCBranchCoalescingPass(); 47 FunctionPass *createPPCQPXLoadSplatPass(); 48 FunctionPass *createPPCISelDag(PPCTargetMachine &TM, CodeGenOpt::Level OL); 49 FunctionPass *createPPCTLSDynamicCallPass(); 50 FunctionPass *createPPCBoolRetToIntPass(); 51 FunctionPass *createPPCExpandISELPass(); 52 FunctionPass *createPPCPreEmitPeepholePass(); 53 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 54 AsmPrinter &AP, bool IsDarwin); 55 bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO, 56 MCOperand &OutMO, AsmPrinter &AP, 57 bool IsDarwin); 58 59 void initializePPCCTRLoopsPass(PassRegistry&); 60 #ifndef NDEBUG 61 void initializePPCCTRLoopsVerifyPass(PassRegistry&); 62 #endif 63 void initializePPCLoopInstrFormPrepPass(PassRegistry&); 64 void initializePPCTOCRegDepsPass(PassRegistry&); 65 void initializePPCEarlyReturnPass(PassRegistry&); 66 void initializePPCVSXCopyPass(PassRegistry&); 67 void initializePPCVSXFMAMutatePass(PassRegistry&); 68 void initializePPCVSXSwapRemovalPass(PassRegistry&); 69 void initializePPCReduceCRLogicalsPass(PassRegistry&); 70 void initializePPCBSelPass(PassRegistry&); 71 void initializePPCBranchCoalescingPass(PassRegistry&); 72 void initializePPCQPXLoadSplatPass(PassRegistry&); 73 void initializePPCBoolRetToIntPass(PassRegistry&); 74 void initializePPCExpandISELPass(PassRegistry &); 75 void initializePPCPreEmitPeepholePass(PassRegistry &); 76 void initializePPCTLSDynamicCallPass(PassRegistry &); 77 void initializePPCMIPeepholePass(PassRegistry&); 78 79 extern char &PPCVSXFMAMutateID; 80 81 ModulePass *createPPCLowerMASSVEntriesPass(); 82 void initializePPCLowerMASSVEntriesPass(PassRegistry &); 83 extern char &PPCLowerMASSVEntriesID; 84 85 namespace PPCII { 86 87 /// Target Operand Flag enum. 88 enum TOF { 89 //===------------------------------------------------------------------===// 90 // PPC Specific MachineOperand flags. 91 MO_NO_FLAG, 92 93 /// On a symbol operand "FOO", this indicates that the reference is actually 94 /// to "FOO@plt". This is used for calls and jumps to external functions 95 /// and for PIC calls on 32-bit ELF systems. 96 MO_PLT = 1, 97 98 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 99 /// the function's picbase, e.g. lo16(symbol-picbase). 100 MO_PIC_FLAG = 2, 101 102 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 103 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 104 MO_NLP_FLAG = 4, 105 106 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 107 /// symbol with hidden visibility. This causes a different kind of 108 /// non-lazy-pointer to be generated. 109 MO_NLP_HIDDEN_FLAG = 8, 110 111 /// The next are not flags but distinct values. 112 MO_ACCESS_MASK = 0xf0, 113 114 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol) 115 MO_LO = 1 << 4, 116 MO_HA = 2 << 4, 117 118 MO_TPREL_LO = 4 << 4, 119 MO_TPREL_HA = 3 << 4, 120 121 /// These values identify relocations on immediates folded 122 /// into memory operations. 123 MO_DTPREL_LO = 5 << 4, 124 MO_TLSLD_LO = 6 << 4, 125 MO_TOC_LO = 7 << 4, 126 127 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction 128 MO_TLS = 8 << 4 129 }; 130 } // end namespace PPCII 131 132 } // end namespace llvm; 133 134 #endif 135