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); 55 bool LowerPPCMachineOperandToMCOperand(const MachineOperand &MO, 56 MCOperand &OutMO, AsmPrinter &AP); 57 58 void initializePPCCTRLoopsPass(PassRegistry&); 59 #ifndef NDEBUG 60 void initializePPCCTRLoopsVerifyPass(PassRegistry&); 61 #endif 62 void initializePPCLoopInstrFormPrepPass(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 ModulePass *createPPCLowerMASSVEntriesPass(); 81 void initializePPCLowerMASSVEntriesPass(PassRegistry &); 82 extern char &PPCLowerMASSVEntriesID; 83 84 namespace PPCII { 85 86 /// Target Operand Flag enum. 87 enum TOF { 88 //===------------------------------------------------------------------===// 89 // PPC Specific MachineOperand flags. 90 MO_NO_FLAG, 91 92 /// On a symbol operand "FOO", this indicates that the reference is actually 93 /// to "FOO@plt". This is used for calls and jumps to external functions 94 /// and for PIC calls on 32-bit ELF systems. 95 MO_PLT = 1, 96 97 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 98 /// the function's picbase, e.g. lo16(symbol-picbase). 99 MO_PIC_FLAG = 2, 100 101 /// MO_PCREL_FLAG - If this bit is set, the symbol reference is relative to 102 /// the current instruction address(pc), e.g., var@pcrel. Fixup is VK_PCREL. 103 MO_PCREL_FLAG = 4, 104 105 /// MO_GOT_FLAG - If this bit is set the symbol reference is to be computed 106 /// via the GOT. For example when combined with the MO_PCREL_FLAG it should 107 /// produce the relocation @got@pcrel. Fixup is VK_PPC_GOT_PCREL. 108 MO_GOT_FLAG = 8, 109 110 /// The next are not flags but distinct values. 111 MO_ACCESS_MASK = 0xf00, 112 113 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol) 114 MO_LO = 1 << 8, 115 MO_HA = 2 << 8, 116 117 MO_TPREL_LO = 4 << 8, 118 MO_TPREL_HA = 3 << 8, 119 120 /// These values identify relocations on immediates folded 121 /// into memory operations. 122 MO_DTPREL_LO = 5 << 8, 123 MO_TLSLD_LO = 6 << 8, 124 MO_TOC_LO = 7 << 8, 125 126 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction 127 MO_TLS = 8 << 8 128 }; 129 } // end namespace PPCII 130 131 } // end namespace llvm; 132 133 #endif 134