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 #include <string> 20 21 // GCC #defines PPC on Linux but we use it as our namespace name 22 #undef PPC 23 24 namespace llvm { 25 class PPCTargetMachine; 26 class PassRegistry; 27 class FunctionPass; 28 class ImmutablePass; 29 class MachineInstr; 30 class AsmPrinter; 31 class MCInst; 32 33 FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM); 34 #ifndef NDEBUG 35 FunctionPass *createPPCCTRLoopsVerify(); 36 #endif 37 FunctionPass *createPPCLoopDataPrefetchPass(); 38 FunctionPass *createPPCLoopPreIncPrepPass(PPCTargetMachine &TM); 39 FunctionPass *createPPCEarlyReturnPass(); 40 FunctionPass *createPPCVSXCopyPass(); 41 FunctionPass *createPPCVSXFMAMutatePass(); 42 FunctionPass *createPPCBranchSelectionPass(); 43 FunctionPass *createPPCISelDag(PPCTargetMachine &TM); 44 FunctionPass *createPPCTLSDynamicCallPass(); 45 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 46 AsmPrinter &AP, bool isDarwin); 47 48 void initializePPCVSXFMAMutatePass(PassRegistry&); 49 extern char &PPCVSXFMAMutateID; 50 51 namespace PPCII { 52 53 /// Target Operand Flag enum. 54 enum TOF { 55 //===------------------------------------------------------------------===// 56 // PPC Specific MachineOperand flags. 57 MO_NO_FLAG, 58 59 /// MO_PLT_OR_STUB - On a symbol operand "FOO", this indicates that the 60 /// reference is actually to the "FOO$stub" or "FOO@plt" symbol. This is 61 /// used for calls and jumps to external functions on Tiger and earlier, and 62 /// for PIC calls on Linux and ELF systems. 63 MO_PLT_OR_STUB = 1, 64 65 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 66 /// the function's picbase, e.g. lo16(symbol-picbase). 67 MO_PIC_FLAG = 2, 68 69 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 70 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 71 MO_NLP_FLAG = 4, 72 73 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 74 /// symbol with hidden visibility. This causes a different kind of 75 /// non-lazy-pointer to be generated. 76 MO_NLP_HIDDEN_FLAG = 8, 77 78 /// The next are not flags but distinct values. 79 MO_ACCESS_MASK = 0xf0, 80 81 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol) 82 MO_LO = 1 << 4, 83 MO_HA = 2 << 4, 84 85 MO_TPREL_LO = 4 << 4, 86 MO_TPREL_HA = 3 << 4, 87 88 /// These values identify relocations on immediates folded 89 /// into memory operations. 90 MO_DTPREL_LO = 5 << 4, 91 MO_TLSLD_LO = 6 << 4, 92 MO_TOC_LO = 7 << 4, 93 94 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction 95 MO_TLS = 8 << 4 96 }; 97 } // end namespace PPCII 98 99 } // end namespace llvm; 100 101 #endif 102
