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 "MCTargetDesc/NVPTXBaseInfo.h" 19 #include "llvm/IR/Module.h" 20 #include "llvm/IR/Value.h" 21 #include "llvm/Support/ErrorHandling.h" 22 #include "llvm/Target/TargetMachine.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 *createLowerStructArgsPass(NVPTXTargetMachine &); 57 FunctionPass *createNVPTXReMatPass(NVPTXTargetMachine &); 58 FunctionPass *createNVPTXReMatBlockPass(NVPTXTargetMachine &); 59 60 bool isImageOrSamplerVal(const Value *, const Module *); 61 62 extern Target TheNVPTXTarget32; 63 extern Target TheNVPTXTarget64; 64 65 namespace NVPTX 66 { 67 enum DrvInterface { 68 NVCL, 69 CUDA, 70 TEST 71 }; 72 73 // A field inside TSFlags needs a shift and a mask. The usage is 74 // always as follows : 75 // ((TSFlags & fieldMask) >> fieldShift) 76 // The enum keeps the mask, the shift, and all valid values of the 77 // field in one place. 78 enum VecInstType { 79 VecInstTypeShift = 0, 80 VecInstTypeMask = 0xF, 81 82 VecNOP = 0, 83 VecLoad = 1, 84 VecStore = 2, 85 VecBuild = 3, 86 VecShuffle = 4, 87 VecExtract = 5, 88 VecInsert = 6, 89 VecDest = 7, 90 VecOther = 15 91 }; 92 93 enum SimpleMove { 94 SimpleMoveMask = 0x10, 95 SimpleMoveShift = 4 96 }; 97 enum LoadStore { 98 isLoadMask = 0x20, 99 isLoadShift = 5, 100 isStoreMask = 0x40, 101 isStoreShift = 6 102 }; 103 104 namespace PTXLdStInstCode { 105 enum AddressSpace{ 106 GENERIC = 0, 107 GLOBAL = 1, 108 CONSTANT = 2, 109 SHARED = 3, 110 PARAM = 4, 111 LOCAL = 5 112 }; 113 enum FromType { 114 Unsigned = 0, 115 Signed, 116 Float 117 }; 118 enum VecType { 119 Scalar = 1, 120 V2 = 2, 121 V4 = 4 122 }; 123 } 124 } 125 } // end namespace llvm; 126 127 // Defines symbolic names for NVPTX registers. This defines a mapping from 128 // register name to register number. 129 #define GET_REGINFO_ENUM 130 #include "NVPTXGenRegisterInfo.inc" 131 132 // Defines symbolic names for the NVPTX instructions. 133 #define GET_INSTRINFO_ENUM 134 #include "NVPTXGenInstrInfo.inc" 135 136 #endif 137
