1 //===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the entry points for global functions defined in the LLVM 11 // PowerPC back-end. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_LIB_TARGET_POWERPC_PPC_H 16 #define LLVM_LIB_TARGET_POWERPC_PPC_H 17 18 #include "MCTargetDesc/PPCMCTargetDesc.h" 19 20 // GCC #defines PPC on Linux but we use it as our namespace name 21 #undef PPC 22 23 namespace llvm { 24 class PPCTargetMachine; 25 class PassRegistry; 26 class FunctionPass; 27 class ImmutablePass; 28 class MachineInstr; 29 class AsmPrinter; 30 class MCInst; 31 32 FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM); 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 *createPPCMIPeepholePass(); 43 FunctionPass *createPPCBranchSelectionPass(); 44 FunctionPass *createPPCQPXLoadSplatPass(); 45 FunctionPass *createPPCISelDag(PPCTargetMachine &TM); 46 FunctionPass *createPPCTLSDynamicCallPass(); 47 FunctionPass *createPPCBoolRetToIntPass(); 48 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 49 AsmPrinter &AP, bool isDarwin); 50 51 void initializePPCVSXFMAMutatePass(PassRegistry&); 52 void initializePPCBoolRetToIntPass(PassRegistry&); 53 extern char &PPCVSXFMAMutateID; 54 55 namespace PPCII { 56 57 /// Target Operand Flag enum. 58 enum TOF { 59 //===------------------------------------------------------------------===// 60 // PPC Specific MachineOperand flags. 61 MO_NO_FLAG, 62 63 /// On a symbol operand "FOO", this indicates that the reference is actually 64 /// to "FOO@plt". This is used for calls and jumps to external functions on 65 /// for PIC calls on Linux and ELF systems. 66 MO_PLT = 1, 67 68 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 69 /// the function's picbase, e.g. lo16(symbol-picbase). 70 MO_PIC_FLAG = 2, 71 72 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 73 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 74 MO_NLP_FLAG = 4, 75 76 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 77 /// symbol with hidden visibility. This causes a different kind of 78 /// non-lazy-pointer to be generated. 79 MO_NLP_HIDDEN_FLAG = 8, 80 81 /// The next are not flags but distinct values. 82 MO_ACCESS_MASK = 0xf0, 83 84 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol) 85 MO_LO = 1 << 4, 86 MO_HA = 2 << 4, 87 88 MO_TPREL_LO = 4 << 4, 89 MO_TPREL_HA = 3 << 4, 90 91 /// These values identify relocations on immediates folded 92 /// into memory operations. 93 MO_DTPREL_LO = 5 << 4, 94 MO_TLSLD_LO = 6 << 4, 95 MO_TOC_LO = 7 << 4, 96 97 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction 98 MO_TLS = 8 << 4 99 }; 100 } // end namespace PPCII 101 102 } // end namespace llvm; 103 104 #endif 105
