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_TARGET_POWERPC_H 16 #define LLVM_TARGET_POWERPC_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 JITCodeEmitter; 30 class MachineInstr; 31 class AsmPrinter; 32 class MCInst; 33 34 FunctionPass *createPPCCTRLoops(PPCTargetMachine &TM); 35 #ifndef NDEBUG 36 FunctionPass *createPPCCTRLoopsVerify(); 37 #endif 38 FunctionPass *createPPCEarlyReturnPass(); 39 FunctionPass *createPPCVSXCopyPass(); 40 FunctionPass *createPPCVSXCopyCleanupPass(); 41 FunctionPass *createPPCVSXFMAMutatePass(); 42 FunctionPass *createPPCBranchSelectionPass(); 43 FunctionPass *createPPCISelDag(PPCTargetMachine &TM); 44 FunctionPass *createPPCJITCodeEmitterPass(PPCTargetMachine &TM, 45 JITCodeEmitter &MCE); 46 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 47 AsmPrinter &AP, bool isDarwin); 48 49 /// \brief Creates an PPC-specific Target Transformation Info pass. 50 ImmutablePass *createPPCTargetTransformInfoPass(const PPCTargetMachine *TM); 51 52 void initializePPCVSXFMAMutatePass(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 /// MO_DARWIN_STUB - On a symbol operand "FOO", this indicates that the 64 /// reference is actually to the "FOO$stub" symbol. This is used for calls 65 /// and jumps to external functions on Tiger and earlier. 66 MO_DARWIN_STUB = 1, 67 68 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 69 /// the function's picbase, e.g. lo16(symbol-picbase). 70 MO_PIC_FLAG = 2, 71 72 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 73 /// the non_lazy_ptr for the global, e.g. lo16(symbol$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