annotate lib/Target/NVPTX/NVPTX.h @ 100:7d135dc70f03 LLVM 3.9

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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1 //===-- NVPTX.h - Top-level interface for NVPTX representation --*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file contains the entry points for global functions defined in
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11 // the LLVM NVPTX back-end.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #ifndef LLVM_LIB_TARGET_NVPTX_NVPTX_H
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16 #define LLVM_LIB_TARGET_NVPTX_NVPTX_H
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17
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18 #include "MCTargetDesc/NVPTXBaseInfo.h"
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19 #include "llvm/ADT/StringMap.h"
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20 #include "llvm/IR/Module.h"
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21 #include "llvm/IR/Value.h"
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22 #include "llvm/Support/ErrorHandling.h"
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23 #include "llvm/Target/TargetMachine.h"
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24 #include <cassert>
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25 #include <iosfwd>
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26
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27 namespace llvm {
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28 class NVPTXTargetMachine;
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29 class FunctionPass;
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30 class MachineFunctionPass;
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31 class formatted_raw_ostream;
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32
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33 namespace NVPTXCC {
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34 enum CondCodes {
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35 EQ,
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36 NE,
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37 LT,
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38 LE,
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39 GT,
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40 GE
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41 };
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42 }
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43
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44 FunctionPass *createNVPTXISelDag(NVPTXTargetMachine &TM,
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45 llvm::CodeGenOpt::Level OptLevel);
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46 ModulePass *createNVPTXAssignValidGlobalNamesPass();
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47 ModulePass *createGenericToNVVMPass();
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48 FunctionPass *createNVPTXFavorNonGenericAddrSpacesPass();
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49 ModulePass *createNVVMReflectPass();
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50 ModulePass *createNVVMReflectPass(const StringMap<int>& Mapping);
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51 MachineFunctionPass *createNVPTXPrologEpilogPass();
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52 MachineFunctionPass *createNVPTXReplaceImageHandlesPass();
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53 FunctionPass *createNVPTXImageOptimizerPass();
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54 FunctionPass *createNVPTXLowerKernelArgsPass(const NVPTXTargetMachine *TM);
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55 BasicBlockPass *createNVPTXLowerAllocaPass();
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56 MachineFunctionPass *createNVPTXPeephole();
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57
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58 bool isImageOrSamplerVal(const Value *, const Module *);
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59
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60 extern Target TheNVPTXTarget32;
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61 extern Target TheNVPTXTarget64;
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62
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63 namespace NVPTX {
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64 enum DrvInterface {
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65 NVCL,
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66 CUDA
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67 };
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68
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69 // A field inside TSFlags needs a shift and a mask. The usage is
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70 // always as follows :
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71 // ((TSFlags & fieldMask) >> fieldShift)
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72 // The enum keeps the mask, the shift, and all valid values of the
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73 // field in one place.
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74 enum VecInstType {
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75 VecInstTypeShift = 0,
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76 VecInstTypeMask = 0xF,
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77
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78 VecNOP = 0,
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79 VecLoad = 1,
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80 VecStore = 2,
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81 VecBuild = 3,
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82 VecShuffle = 4,
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83 VecExtract = 5,
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84 VecInsert = 6,
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85 VecDest = 7,
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86 VecOther = 15
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87 };
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88
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89 enum SimpleMove {
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90 SimpleMoveMask = 0x10,
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91 SimpleMoveShift = 4
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92 };
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93 enum LoadStore {
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94 isLoadMask = 0x20,
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95 isLoadShift = 5,
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96 isStoreMask = 0x40,
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97 isStoreShift = 6
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98 };
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99
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100 namespace PTXLdStInstCode {
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101 enum AddressSpace {
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102 GENERIC = 0,
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103 GLOBAL = 1,
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104 CONSTANT = 2,
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105 SHARED = 3,
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106 PARAM = 4,
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107 LOCAL = 5
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108 };
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109 enum FromType {
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110 Unsigned = 0,
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111 Signed,
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112 Float
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113 };
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114 enum VecType {
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115 Scalar = 1,
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116 V2 = 2,
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117 V4 = 4
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118 };
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119 }
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120
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121 /// PTXCvtMode - Conversion code enumeration
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122 namespace PTXCvtMode {
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123 enum CvtMode {
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124 NONE = 0,
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125 RNI,
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126 RZI,
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127 RMI,
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128 RPI,
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129 RN,
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130 RZ,
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131 RM,
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132 RP,
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133
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134 BASE_MASK = 0x0F,
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135 FTZ_FLAG = 0x10,
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136 SAT_FLAG = 0x20
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137 };
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138 }
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139
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140 /// PTXCmpMode - Comparison mode enumeration
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141 namespace PTXCmpMode {
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142 enum CmpMode {
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143 EQ = 0,
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144 NE,
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145 LT,
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146 LE,
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147 GT,
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148 GE,
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149 LO,
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150 LS,
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151 HI,
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152 HS,
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153 EQU,
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154 NEU,
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155 LTU,
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156 LEU,
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157 GTU,
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158 GEU,
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159 NUM,
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160 // NAN is a MACRO
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161 NotANumber,
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162
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163 BASE_MASK = 0xFF,
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164 FTZ_FLAG = 0x100
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165 };
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166 }
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167 }
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168 } // end namespace llvm;
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169
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170 // Defines symbolic names for NVPTX registers. This defines a mapping from
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171 // register name to register number.
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172 #define GET_REGINFO_ENUM
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173 #include "NVPTXGenRegisterInfo.inc"
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174
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175 // Defines symbolic names for the NVPTX instructions.
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176 #define GET_INSTRINFO_ENUM
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177 #include "NVPTXGenInstrInfo.inc"
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178
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179 #endif