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 "llvm/Support/CodeGen.h" 19 #include "MCTargetDesc/PPCMCTargetDesc.h" 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 MachineInstr; 29 class MachineOperand; 30 class AsmPrinter; 31 class MCInst; 32 class MCOperand; 33 34 FunctionPass *createPPCCTRLoops(); 35 #ifndef NDEBUG 36 FunctionPass *createPPCCTRLoopsVerify(); 37 #endif 38 FunctionPass *createPPCLoopPreIncPrepPass(PPCTargetMachine &TM); 39 FunctionPass *createPPCTOCRegDepsPass(); 40 FunctionPass *createPPCEarlyReturnPass(); 41 FunctionPass *createPPCVSXCopyPass(); 42 FunctionPass *createPPCVSXFMAMutatePass(); 43 FunctionPass *createPPCVSXSwapRemovalPass(); 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 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 initializePPCVSXFMAMutatePass(PassRegistry&); 59 void initializePPCBoolRetToIntPass(PassRegistry&); 60 void initializePPCExpandISELPass(PassRegistry &); 61 void initializePPCTLSDynamicCallPass(PassRegistry &); 62 extern char &PPCVSXFMAMutateID; 63 64 namespace PPCII { 65 66 /// Target Operand Flag enum. 67 enum TOF { 68 //===------------------------------------------------------------------===// 69 // PPC Specific MachineOperand flags. 70 MO_NO_FLAG, 71 72 /// On a symbol operand "FOO", this indicates that the reference is actually 73 /// to "FOO@plt". This is used for calls and jumps to external functions on 74 /// for PIC calls on Linux and ELF systems. 75 MO_PLT = 1, 76 77 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 78 /// the function's picbase, e.g. lo16(symbol-picbase). 79 MO_PIC_FLAG = 2, 80 81 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 82 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 83 MO_NLP_FLAG = 4, 84 85 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 86 /// symbol with hidden visibility. This causes a different kind of 87 /// non-lazy-pointer to be generated. 88 MO_NLP_HIDDEN_FLAG = 8, 89 90 /// The next are not flags but distinct values. 91 MO_ACCESS_MASK = 0xf0, 92 93 /// MO_LO, MO_HA - lo16(symbol) and ha16(symbol) 94 MO_LO = 1 << 4, 95 MO_HA = 2 << 4, 96 97 MO_TPREL_LO = 4 << 4, 98 MO_TPREL_HA = 3 << 4, 99 100 /// These values identify relocations on immediates folded 101 /// into memory operations. 102 MO_DTPREL_LO = 5 << 4, 103 MO_TLSLD_LO = 6 << 4, 104 MO_TOC_LO = 7 << 4, 105 106 // Symbol for VK_PPC_TLS fixup attached to an ADD instruction 107 MO_TLS = 8 << 4 108 }; 109 } // end namespace PPCII 110 111 } // end namespace llvm; 112 113 #endif 114