1 //===-- NVPTX.h - Top-level interface for NVPTX representation --*- 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 11 // the LLVM NVPTX back-end. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TARGET_NVPTX_H 16 #define LLVM_TARGET_NVPTX_H 17 18 #include "llvm/Value.h" 19 #include "llvm/Module.h" 20 #include "llvm/Support/ErrorHandling.h" 21 #include "llvm/Target/TargetMachine.h" 22 #include "MCTargetDesc/NVPTXBaseInfo.h" 23 #include <cassert> 24 #include <iosfwd> 25 26 namespace llvm { 27 class NVPTXTargetMachine; 28 class FunctionPass; 29 class formatted_raw_ostream; 30 31 namespace NVPTXCC { 32 enum CondCodes { 33 EQ, 34 NE, 35 LT, 36 LE, 37 GT, 38 GE 39 }; 40 } 41 42 inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) { 43 switch (CC) { 44 case NVPTXCC::NE: return "ne"; 45 case NVPTXCC::EQ: return "eq"; 46 case NVPTXCC::LT: return "lt"; 47 case NVPTXCC::LE: return "le"; 48 case NVPTXCC::GT: return "gt"; 49 case NVPTXCC::GE: return "ge"; 50 } 51 llvm_unreachable("Unknown condition code"); 52 } 53 54 FunctionPass *createNVPTXISelDag(NVPTXTargetMachine &TM, 55 llvm::CodeGenOpt::Level OptLevel); 56 FunctionPass *createVectorElementizePass(NVPTXTargetMachine &); 57 FunctionPass *createLowerStructArgsPass(NVPTXTargetMachine &); 58 FunctionPass *createNVPTXReMatPass(NVPTXTargetMachine &); 59 FunctionPass *createNVPTXReMatBlockPass(NVPTXTargetMachine &); 60 61 bool isImageOrSamplerVal(const Value *, const Module *); 62 63 extern Target TheNVPTXTarget32; 64 extern Target TheNVPTXTarget64; 65 66 namespace NVPTX 67 { 68 enum DrvInterface { 69 NVCL, 70 CUDA, 71 TEST 72 }; 73 74 // A field inside TSFlags needs a shift and a mask. The usage is 75 // always as follows : 76 // ((TSFlags & fieldMask) >> fieldShift) 77 // The enum keeps the mask, the shift, and all valid values of the 78 // field in one place. 79 enum VecInstType { 80 VecInstTypeShift = 0, 81 VecInstTypeMask = 0xF, 82 83 VecNOP = 0, 84 VecLoad = 1, 85 VecStore = 2, 86 VecBuild = 3, 87 VecShuffle = 4, 88 VecExtract = 5, 89 VecInsert = 6, 90 VecDest = 7, 91 VecOther = 15 92 }; 93 94 enum SimpleMove { 95 SimpleMoveMask = 0x10, 96 SimpleMoveShift = 4 97 }; 98 enum LoadStore { 99 isLoadMask = 0x20, 100 isLoadShift = 5, 101 isStoreMask = 0x40, 102 isStoreShift = 6 103 }; 104 105 namespace PTXLdStInstCode { 106 enum AddressSpace{ 107 GENERIC = 0, 108 GLOBAL = 1, 109 CONSTANT = 2, 110 SHARED = 3, 111 PARAM = 4, 112 LOCAL = 5 113 }; 114 enum FromType { 115 Unsigned = 0, 116 Signed, 117 Float 118 }; 119 enum VecType { 120 Scalar = 1, 121 V2 = 2, 122 V4 = 4 123 }; 124 } 125 } 126 } // end namespace llvm; 127 128 // Defines symbolic names for NVPTX registers. This defines a mapping from 129 // register name to register number. 130 #define GET_REGINFO_ENUM 131 #include "NVPTXGenRegisterInfo.inc" 132 133 // Defines symbolic names for the NVPTX instructions. 134 #define GET_INSTRINFO_ENUM 135 #include "NVPTXGenInstrInfo.inc" 136 137 #endif 138
