Mercurial > octave-nkf
annotate libinterp/interp-core/jit-ir.h @ 15231:8442131a391a
jit-ir.h (jit_use::stash_value): Explicitly specify parent template types
| author | Max Brister <max@2bass.com> |
|---|---|
| date | Sat, 25 Aug 2012 14:04:38 -0600 |
| parents | 2fc554ffbc28 |
| children | 2c0259dc1a82 |
| rev | line source |
|---|---|
| 15016 | 1 /* |
| 2 | |
| 3 Copyright (C) 2012 Max Brister <max@2bass.com> | |
| 4 | |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 3 of the License, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with Octave; see the file COPYING. If not, see | |
| 19 <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_jit_ir_h) | |
| 24 #define octave_jit_ir_h 1 | |
| 25 | |
| 26 #ifdef HAVE_LLVM | |
| 27 | |
| 28 #include <list> | |
| 29 #include <stack> | |
| 30 #include <set> | |
| 31 | |
| 32 #include "jit-typeinfo.h" | |
| 33 | |
| 34 // The low level octave jit ir | |
| 35 // this ir is close to llvm, but contains information for doing type inference. | |
| 36 // We convert the octave parse tree to this IR directly. | |
| 37 | |
| 38 #define JIT_VISIT_IR_NOTEMPLATE \ | |
| 39 JIT_METH(block); \ | |
| 40 JIT_METH(branch); \ | |
| 41 JIT_METH(cond_branch); \ | |
| 42 JIT_METH(call); \ | |
| 43 JIT_METH(extract_argument); \ | |
| 44 JIT_METH(store_argument); \ | |
| 45 JIT_METH(phi); \ | |
| 46 JIT_METH(variable); \ | |
| 47 JIT_METH(error_check); \ | |
| 48 JIT_METH(assign) \ | |
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49 JIT_METH(argument) \ |
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50 JIT_METH(magic_end) |
| 15016 | 51 |
| 52 #define JIT_VISIT_IR_CONST \ | |
| 53 JIT_METH(const_bool); \ | |
| 54 JIT_METH(const_scalar); \ | |
| 55 JIT_METH(const_complex); \ | |
| 56 JIT_METH(const_index); \ | |
| 57 JIT_METH(const_string); \ | |
| 58 JIT_METH(const_range) | |
| 59 | |
| 60 #define JIT_VISIT_IR_CLASSES \ | |
| 61 JIT_VISIT_IR_NOTEMPLATE \ | |
| 62 JIT_VISIT_IR_CONST | |
| 63 | |
| 64 // forward declare all ir classes | |
| 65 #define JIT_METH(cname) \ | |
| 66 class jit_ ## cname; | |
| 67 | |
| 68 JIT_VISIT_IR_NOTEMPLATE | |
| 69 | |
| 70 #undef JIT_METH | |
| 71 | |
| 72 // ABCs which aren't included in JIT_VISIT_IR_ALL | |
| 73 class jit_instruction; | |
| 74 class jit_terminator; | |
| 75 | |
| 76 template <typename T, jit_type *(*EXTRACT_T)(void), typename PASS_T = T, | |
| 77 bool QUOTE=false> | |
| 78 class jit_const; | |
| 79 | |
| 80 typedef jit_const<bool, jit_typeinfo::get_bool> jit_const_bool; | |
| 81 typedef jit_const<double, jit_typeinfo::get_scalar> jit_const_scalar; | |
| 82 typedef jit_const<Complex, jit_typeinfo::get_complex> jit_const_complex; | |
| 83 typedef jit_const<octave_idx_type, jit_typeinfo::get_index> jit_const_index; | |
| 84 | |
| 85 typedef jit_const<std::string, jit_typeinfo::get_string, const std::string&, | |
| 86 true> jit_const_string; | |
| 87 typedef jit_const<jit_range, jit_typeinfo::get_range, const jit_range&> | |
| 88 jit_const_range; | |
| 89 | |
| 90 class jit_ir_walker; | |
| 91 class jit_use; | |
| 92 | |
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93 // Creates and tracks memory for jit_value and subclasses. |
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94 // Memory managment is simple, all values that are created live as long as the |
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95 // factory. |
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96 class |
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97 jit_factory |
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98 { |
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99 typedef std::list<jit_value *> value_list; |
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100 public: |
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101 ~jit_factory (void); |
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102 |
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103 const value_list& constants (void) const { return mconstants; } |
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104 |
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105 template <typename T> |
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106 T *create (void) |
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107 { |
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108 T *ret = new T (); |
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109 track_value (ret); |
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110 return ret; |
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111 } |
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112 |
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113 #define DECL_ARG(n) const ARG ## n& arg ## n |
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114 #define JIT_CREATE(N) \ |
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115 template <typename T, OCT_MAKE_DECL_LIST (typename, ARG, N)> \ |
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116 T *create (OCT_MAKE_LIST (DECL_ARG, N)) \ |
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117 { \ |
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118 T *ret = new T (OCT_MAKE_ARG_LIST (arg, N)); \ |
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119 track_value (ret); \ |
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120 return ret; \ |
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121 } |
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122 |
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123 JIT_CREATE (1) |
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124 JIT_CREATE (2) |
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125 JIT_CREATE (3) |
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126 JIT_CREATE (4) |
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127 |
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128 #undef JIT_CREATE |
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129 #undef DECL_ARG |
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130 private: |
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131 void track_value (jit_value *v); |
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132 |
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133 value_list all_values; |
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134 |
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135 value_list mconstants; |
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136 }; |
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137 |
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138 // A list of basic blocks (jit_block) which form some body of code. |
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139 // |
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140 // We do not directly inherit from std::list because we need to update the |
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141 // blocks stashed location in push_back and insert. |
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142 class |
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143 jit_block_list |
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144 { |
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145 public: |
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146 typedef std::list<jit_block *>::iterator iterator; |
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147 typedef std::list<jit_block *>::const_iterator const_iterator; |
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148 |
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149 jit_block *back (void) const { return mlist.back (); } |
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150 |
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151 iterator begin (void) { return mlist.begin (); } |
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152 |
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153 const_iterator begin (void) const { return mlist.begin (); } |
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154 |
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155 iterator end (void) { return mlist.end (); } |
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156 |
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157 const_iterator end (void) const { return mlist.end (); } |
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158 |
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159 iterator erase (iterator iter) { return mlist.erase (iter); } |
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160 |
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161 jit_block *front (void) const { return mlist.front (); } |
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162 |
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163 void insert_after (iterator iter, jit_block *ablock); |
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164 |
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165 void insert_after (jit_block *loc, jit_block *ablock); |
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166 |
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167 void insert_before (iterator iter, jit_block *ablock); |
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168 |
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169 void insert_before (jit_block *loc, jit_block *ablock); |
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170 |
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171 std::ostream& print (std::ostream& os, const std::string& header) const; |
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172 |
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173 std::ostream& print_dom (std::ostream& os) const; |
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174 |
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175 void push_back (jit_block *b); |
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176 private: |
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177 std::list<jit_block *> mlist; |
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178 }; |
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179 |
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180 std::ostream& operator<<(std::ostream& os, const jit_block_list& blocks); |
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181 |
| 15016 | 182 class |
| 183 jit_value : public jit_internal_list<jit_value, jit_use> | |
| 184 { | |
| 185 public: | |
| 186 jit_value (void) : llvm_value (0), ty (0), mlast_use (0), | |
| 187 min_worklist (false) {} | |
| 188 | |
| 189 virtual ~jit_value (void); | |
| 190 | |
| 191 bool in_worklist (void) const | |
| 192 { | |
| 193 return min_worklist; | |
| 194 } | |
| 195 | |
| 196 void stash_in_worklist (bool ain_worklist) | |
| 197 { | |
| 198 min_worklist = ain_worklist; | |
| 199 } | |
| 200 | |
| 201 // The block of the first use which is not a jit_error_check | |
| 202 // So this is not necessarily first_use ()->parent (). | |
| 203 jit_block *first_use_block (void); | |
| 204 | |
| 205 // replace all uses with | |
| 206 virtual void replace_with (jit_value *value); | |
| 207 | |
| 208 jit_type *type (void) const { return ty; } | |
| 209 | |
| 210 llvm::Type *type_llvm (void) const | |
| 211 { | |
| 212 return ty ? ty->to_llvm () : 0; | |
| 213 } | |
| 214 | |
| 215 const std::string& type_name (void) const | |
| 216 { | |
| 217 return ty->name (); | |
| 218 } | |
| 219 | |
| 220 void stash_type (jit_type *new_ty) { ty = new_ty; } | |
| 221 | |
| 222 std::string print_string (void) | |
| 223 { | |
| 224 std::stringstream ss; | |
| 225 print (ss); | |
| 226 return ss.str (); | |
| 227 } | |
| 228 | |
| 229 jit_instruction *last_use (void) const { return mlast_use; } | |
| 230 | |
| 231 void stash_last_use (jit_instruction *alast_use) | |
| 232 { | |
| 233 mlast_use = alast_use; | |
| 234 } | |
| 235 | |
| 236 virtual bool needs_release (void) const { return false; } | |
| 237 | |
| 238 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const = 0; | |
| 239 | |
| 240 virtual std::ostream& short_print (std::ostream& os) const | |
| 241 { return print (os); } | |
| 242 | |
| 243 virtual void accept (jit_ir_walker& walker) = 0; | |
| 244 | |
| 245 bool has_llvm (void) const | |
| 246 { | |
| 247 return llvm_value; | |
| 248 } | |
| 249 | |
| 250 llvm::Value *to_llvm (void) const | |
| 251 { | |
| 252 assert (llvm_value); | |
| 253 return llvm_value; | |
| 254 } | |
| 255 | |
| 256 void stash_llvm (llvm::Value *compiled) | |
| 257 { | |
| 258 llvm_value = compiled; | |
| 259 } | |
| 260 | |
| 261 protected: | |
| 262 std::ostream& print_indent (std::ostream& os, size_t indent = 0) const | |
| 263 { | |
| 264 for (size_t i = 0; i < indent * 8; ++i) | |
| 265 os << " "; | |
| 266 return os; | |
| 267 } | |
| 268 | |
| 269 llvm::Value *llvm_value; | |
| 270 private: | |
| 271 jit_type *ty; | |
| 272 jit_instruction *mlast_use; | |
| 273 bool min_worklist; | |
| 274 }; | |
| 275 | |
| 276 std::ostream& operator<< (std::ostream& os, const jit_value& value); | |
| 277 std::ostream& jit_print (std::ostream& os, jit_value *avalue); | |
| 278 | |
| 279 class | |
| 280 jit_use : public jit_internal_node<jit_value, jit_use> | |
| 281 { | |
| 282 public: | |
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283 // some compilers don't allow us to use jit_internal_node without template |
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284 // paremeters |
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285 typedef jit_internal_node<jit_value, jit_use> PARENT_T; |
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286 |
| 15016 | 287 jit_use (void) : muser (0), mindex (0) {} |
| 288 | |
| 289 // we should really have a move operator, but not until c++11 :( | |
| 290 jit_use (const jit_use& use) : muser (0), mindex (0) | |
| 291 { | |
| 292 *this = use; | |
| 293 } | |
| 294 | |
| 295 jit_use& operator= (const jit_use& use) | |
| 296 { | |
| 297 stash_value (use.value (), use.user (), use.index ()); | |
| 298 return *this; | |
| 299 } | |
| 300 | |
| 301 size_t index (void) const { return mindex; } | |
| 302 | |
| 303 jit_instruction *user (void) const { return muser; } | |
| 304 | |
| 305 jit_block *user_parent (void) const; | |
| 306 | |
| 307 std::list<jit_block *> user_parent_location (void) const; | |
| 308 | |
| 309 void stash_value (jit_value *avalue, jit_instruction *auser = 0, | |
| 310 size_t aindex = -1) | |
| 311 { | |
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312 PARENT_T::stash_value (avalue); |
| 15016 | 313 mindex = aindex; |
| 314 muser = auser; | |
| 315 } | |
| 316 private: | |
| 317 jit_instruction *muser; | |
| 318 size_t mindex; | |
| 319 }; | |
| 320 | |
| 321 class | |
| 322 jit_instruction : public jit_value | |
| 323 { | |
| 324 public: | |
| 325 // FIXME: this code could be so much pretier with varadic templates... | |
| 326 jit_instruction (void) : mid (next_id ()), mparent (0) | |
| 327 {} | |
| 328 | |
| 329 jit_instruction (size_t nargs) : mid (next_id ()), mparent (0) | |
| 330 { | |
| 331 already_infered.reserve (nargs); | |
| 332 marguments.reserve (nargs); | |
| 333 } | |
| 334 | |
| 335 #define STASH_ARG(i) stash_argument (i, arg ## i); | |
| 336 #define JIT_INSTRUCTION_CTOR(N) \ | |
| 337 jit_instruction (OCT_MAKE_DECL_LIST (jit_value *, arg, N)) \ | |
| 338 : already_infered (N), marguments (N), mid (next_id ()), mparent (0) \ | |
| 339 { \ | |
| 340 OCT_ITERATE_MACRO (STASH_ARG, N); \ | |
| 341 } | |
| 342 | |
| 343 JIT_INSTRUCTION_CTOR(1) | |
| 344 JIT_INSTRUCTION_CTOR(2) | |
| 345 JIT_INSTRUCTION_CTOR(3) | |
| 346 JIT_INSTRUCTION_CTOR(4) | |
| 347 | |
| 348 #undef STASH_ARG | |
| 349 #undef JIT_INSTRUCTION_CTOR | |
| 350 | |
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351 jit_instruction (const std::vector<jit_value *>& aarguments) |
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352 : already_infered (aarguments.size ()), marguments (aarguments.size ()), |
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353 mid (next_id ()), mparent (0) |
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354 { |
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355 for (size_t i = 0; i < aarguments.size (); ++i) |
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356 stash_argument (i, aarguments[i]); |
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357 } |
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358 |
| 15016 | 359 static void reset_ids (void) |
| 360 { | |
| 361 next_id (true); | |
| 362 } | |
| 363 | |
| 364 jit_value *argument (size_t i) const | |
| 365 { | |
| 366 return marguments[i].value (); | |
| 367 } | |
| 368 | |
| 369 llvm::Value *argument_llvm (size_t i) const | |
| 370 { | |
| 371 assert (argument (i)); | |
| 372 return argument (i)->to_llvm (); | |
| 373 } | |
| 374 | |
| 375 jit_type *argument_type (size_t i) const | |
| 376 { | |
| 377 return argument (i)->type (); | |
| 378 } | |
| 379 | |
| 380 llvm::Type *argument_type_llvm (size_t i) const | |
| 381 { | |
| 382 assert (argument (i)); | |
| 383 return argument_type (i)->to_llvm (); | |
| 384 } | |
| 385 | |
| 386 std::ostream& print_argument (std::ostream& os, size_t i) const | |
| 387 { | |
| 388 if (argument (i)) | |
| 389 return argument (i)->short_print (os); | |
| 390 else | |
| 391 return os << "NULL"; | |
| 392 } | |
| 393 | |
| 394 void stash_argument (size_t i, jit_value *arg) | |
| 395 { | |
| 396 marguments[i].stash_value (arg, this, i); | |
| 397 } | |
| 398 | |
| 399 void push_argument (jit_value *arg) | |
| 400 { | |
| 401 marguments.push_back (jit_use ()); | |
| 402 stash_argument (marguments.size () - 1, arg); | |
| 403 already_infered.push_back (0); | |
| 404 } | |
| 405 | |
| 406 size_t argument_count (void) const | |
| 407 { | |
| 408 return marguments.size (); | |
| 409 } | |
| 410 | |
| 411 void resize_arguments (size_t acount, jit_value *adefault = 0) | |
| 412 { | |
| 413 size_t old = marguments.size (); | |
| 414 marguments.resize (acount); | |
| 415 already_infered.resize (acount); | |
| 416 | |
| 417 if (adefault) | |
| 418 for (size_t i = old; i < acount; ++i) | |
| 419 stash_argument (i, adefault); | |
| 420 } | |
| 421 | |
| 422 const std::vector<jit_use>& arguments (void) const { return marguments; } | |
| 423 | |
| 424 // argument types which have been infered already | |
| 425 const std::vector<jit_type *>& argument_types (void) const | |
| 426 { return already_infered; } | |
| 427 | |
| 428 virtual void push_variable (void) {} | |
| 429 | |
| 430 virtual void pop_variable (void) {} | |
| 431 | |
| 432 virtual void construct_ssa (void) | |
| 433 { | |
| 434 do_construct_ssa (0, argument_count ()); | |
| 435 } | |
| 436 | |
| 437 virtual bool infer (void) { return false; } | |
| 438 | |
| 439 void remove (void); | |
| 440 | |
| 441 virtual std::ostream& short_print (std::ostream& os) const; | |
| 442 | |
| 443 jit_block *parent (void) const { return mparent; } | |
| 444 | |
| 445 std::list<jit_instruction *>::iterator location (void) const | |
| 446 { | |
| 447 return mlocation; | |
| 448 } | |
| 449 | |
| 450 llvm::BasicBlock *parent_llvm (void) const; | |
| 451 | |
| 452 void stash_parent (jit_block *aparent, | |
| 453 std::list<jit_instruction *>::iterator alocation) | |
| 454 { | |
| 455 mparent = aparent; | |
| 456 mlocation = alocation; | |
| 457 } | |
| 458 | |
| 459 size_t id (void) const { return mid; } | |
| 460 protected: | |
| 461 | |
| 462 // Do SSA replacement on arguments in [start, end) | |
| 463 void do_construct_ssa (size_t start, size_t end); | |
| 464 | |
| 465 std::vector<jit_type *> already_infered; | |
| 466 private: | |
| 467 static size_t next_id (bool reset = false) | |
| 468 { | |
| 469 static size_t ret = 0; | |
| 470 if (reset) | |
| 471 return ret = 0; | |
| 472 | |
| 473 return ret++; | |
| 474 } | |
| 475 | |
| 476 std::vector<jit_use> marguments; | |
| 477 | |
| 478 size_t mid; | |
| 479 jit_block *mparent; | |
| 480 std::list<jit_instruction *>::iterator mlocation; | |
| 481 }; | |
| 482 | |
| 483 // defnie accept methods for subclasses | |
| 484 #define JIT_VALUE_ACCEPT \ | |
| 485 virtual void accept (jit_ir_walker& walker); | |
| 486 | |
| 487 // for use as a dummy argument during conversion to LLVM | |
| 488 class | |
| 489 jit_argument : public jit_value | |
| 490 { | |
| 491 public: | |
| 492 jit_argument (jit_type *atype, llvm::Value *avalue) | |
| 493 { | |
| 494 stash_type (atype); | |
| 495 stash_llvm (avalue); | |
| 496 } | |
| 497 | |
| 498 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 499 { | |
| 500 print_indent (os, indent); | |
| 501 return jit_print (os, type ()) << ": DUMMY"; | |
| 502 } | |
| 503 | |
| 504 JIT_VALUE_ACCEPT; | |
| 505 }; | |
| 506 | |
| 507 template <typename T, jit_type *(*EXTRACT_T)(void), typename PASS_T, | |
| 508 bool QUOTE> | |
| 509 class | |
| 510 jit_const : public jit_value | |
| 511 { | |
| 512 public: | |
| 513 typedef PASS_T pass_t; | |
| 514 | |
| 515 jit_const (PASS_T avalue) : mvalue (avalue) | |
| 516 { | |
| 517 stash_type (EXTRACT_T ()); | |
| 518 } | |
| 519 | |
| 520 PASS_T value (void) const { return mvalue; } | |
| 521 | |
| 522 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 523 { | |
| 524 print_indent (os, indent); | |
| 525 jit_print (os, type ()) << ": "; | |
| 526 if (QUOTE) | |
| 527 os << "\""; | |
| 528 os << mvalue; | |
| 529 if (QUOTE) | |
| 530 os << "\""; | |
| 531 return os; | |
| 532 } | |
| 533 | |
| 534 JIT_VALUE_ACCEPT; | |
| 535 private: | |
| 536 T mvalue; | |
| 537 }; | |
| 538 | |
| 539 class jit_phi_incomming; | |
| 540 | |
| 541 class | |
| 542 jit_block : public jit_value, public jit_internal_list<jit_block, | |
| 543 jit_phi_incomming> | |
| 544 { | |
| 545 typedef jit_internal_list<jit_block, jit_phi_incomming> ILIST_T; | |
| 546 public: | |
| 547 typedef std::list<jit_instruction *> instruction_list; | |
| 548 typedef instruction_list::iterator iterator; | |
| 549 typedef instruction_list::const_iterator const_iterator; | |
| 550 | |
| 551 typedef std::set<jit_block *> df_set; | |
| 552 typedef df_set::const_iterator df_iterator; | |
| 553 | |
| 554 static const size_t NO_ID = static_cast<size_t> (-1); | |
| 555 | |
| 556 jit_block (const std::string& aname, size_t avisit_count = 0) | |
| 557 : mvisit_count (avisit_count), mid (NO_ID), idom (0), mname (aname), | |
| 558 malive (false) | |
| 559 {} | |
| 560 | |
| 561 virtual void replace_with (jit_value *value); | |
| 562 | |
| 563 void replace_in_phi (jit_block *ablock, jit_block *with); | |
| 564 | |
| 565 // we have a new internal list, but we want to stay compatable with jit_value | |
| 566 jit_use *first_use (void) const { return jit_value::first_use (); } | |
| 567 | |
| 568 size_t use_count (void) const { return jit_value::use_count (); } | |
| 569 | |
| 570 // if a block is alive, then it might be visited during execution | |
| 571 bool alive (void) const { return malive; } | |
| 572 | |
| 573 void mark_alive (void) { malive = true; } | |
| 574 | |
| 575 // If we can merge with a successor, do so and return the now empty block | |
| 576 jit_block *maybe_merge (); | |
| 577 | |
| 578 // merge another block into this block, leaving the merge block empty | |
| 579 void merge (jit_block& merge); | |
| 580 | |
| 581 const std::string& name (void) const { return mname; } | |
| 582 | |
| 583 jit_instruction *prepend (jit_instruction *instr); | |
| 584 | |
| 585 jit_instruction *prepend_after_phi (jit_instruction *instr); | |
| 586 | |
| 587 template <typename T> | |
| 588 T *append (T *instr) | |
| 589 { | |
| 590 internal_append (instr); | |
| 591 return instr; | |
| 592 } | |
| 593 | |
| 594 jit_instruction *insert_before (iterator loc, jit_instruction *instr); | |
| 595 | |
| 596 jit_instruction *insert_before (jit_instruction *loc, jit_instruction *instr) | |
| 597 { | |
| 598 return insert_before (loc->location (), instr); | |
| 599 } | |
| 600 | |
| 601 jit_instruction *insert_after (iterator loc, jit_instruction *instr); | |
| 602 | |
| 603 jit_instruction *insert_after (jit_instruction *loc, jit_instruction *instr) | |
| 604 { | |
| 605 return insert_after (loc->location (), instr); | |
| 606 } | |
| 607 | |
| 608 iterator remove (iterator iter) | |
| 609 { | |
| 610 jit_instruction *instr = *iter; | |
| 611 iter = instructions.erase (iter); | |
| 612 instr->stash_parent (0, instructions.end ()); | |
| 613 return iter; | |
| 614 } | |
| 615 | |
| 616 jit_terminator *terminator (void) const; | |
| 617 | |
| 618 // is the jump from pred alive? | |
| 619 bool branch_alive (jit_block *asucc) const; | |
| 620 | |
| 621 jit_block *successor (size_t i) const; | |
| 622 | |
| 623 size_t successor_count (void) const; | |
| 624 | |
| 625 iterator begin (void) { return instructions.begin (); } | |
| 626 | |
| 627 const_iterator begin (void) const { return instructions.begin (); } | |
| 628 | |
| 629 iterator end (void) { return instructions.end (); } | |
| 630 | |
| 631 const_iterator end (void) const { return instructions.end (); } | |
| 632 | |
| 633 iterator phi_begin (void); | |
| 634 | |
| 635 iterator phi_end (void); | |
| 636 | |
| 637 iterator nonphi_begin (void); | |
| 638 | |
| 639 // must label before id is valid | |
| 640 size_t id (void) const { return mid; } | |
| 641 | |
| 642 // dominance frontier | |
| 643 const df_set& df (void) const { return mdf; } | |
| 644 | |
| 645 df_iterator df_begin (void) const { return mdf.begin (); } | |
| 646 | |
| 647 df_iterator df_end (void) const { return mdf.end (); } | |
| 648 | |
| 649 // label with a RPO walk | |
| 650 void label (void) | |
| 651 { | |
| 652 size_t number = 0; | |
| 653 label (mvisit_count, number); | |
| 654 } | |
| 655 | |
| 656 void label (size_t avisit_count, size_t& number) | |
| 657 { | |
| 658 if (visited (avisit_count)) | |
| 659 return; | |
| 660 | |
| 661 for (jit_use *use = first_use (); use; use = use->next ()) | |
| 662 { | |
| 663 jit_block *pred = use->user_parent (); | |
| 664 pred->label (avisit_count, number); | |
| 665 } | |
| 666 | |
| 667 mid = number++; | |
| 668 } | |
| 669 | |
| 670 // See for idom computation algorithm | |
| 671 // Cooper, Keith D.; Harvey, Timothy J; and Kennedy, Ken (2001). | |
| 672 // "A Simple, Fast Dominance Algorithm" | |
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673 void compute_idom (jit_block& entry_block) |
| 15016 | 674 { |
| 675 bool changed; | |
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676 entry_block.idom = &entry_block; |
| 15016 | 677 do |
| 678 changed = update_idom (mvisit_count); | |
| 679 while (changed); | |
| 680 } | |
| 681 | |
| 682 // compute dominance frontier | |
| 683 void compute_df (void) | |
| 684 { | |
| 685 compute_df (mvisit_count); | |
| 686 } | |
| 687 | |
| 688 void create_dom_tree (void) | |
| 689 { | |
| 690 create_dom_tree (mvisit_count); | |
| 691 } | |
| 692 | |
| 693 jit_block *dom_successor (size_t idx) const | |
| 694 { | |
| 695 return dom_succ[idx]; | |
| 696 } | |
| 697 | |
| 698 size_t dom_successor_count (void) const | |
| 699 { | |
| 700 return dom_succ.size (); | |
| 701 } | |
| 702 | |
| 703 // call pop_varaible on all instructions | |
| 704 void pop_all (void); | |
| 705 | |
| 706 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 707 { | |
| 708 print_indent (os, indent); | |
| 709 short_print (os) << ": %pred = "; | |
| 710 for (jit_use *use = first_use (); use; use = use->next ()) | |
| 711 { | |
| 712 jit_block *pred = use->user_parent (); | |
| 713 os << *pred; | |
| 714 if (use->next ()) | |
| 715 os << ", "; | |
| 716 } | |
| 717 os << std::endl; | |
| 718 | |
| 719 for (const_iterator iter = begin (); iter != end (); ++iter) | |
| 720 { | |
| 721 jit_instruction *instr = *iter; | |
| 722 instr->print (os, indent + 1) << std::endl; | |
| 723 } | |
| 724 return os; | |
| 725 } | |
| 726 | |
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parents:
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changeset
|
727 jit_block *maybe_split (jit_factory& factory, jit_block_list& blocks, |
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parents:
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diff
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|
728 jit_block *asuccessor); |
| 15016 | 729 |
|
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parents:
15102
diff
changeset
|
730 jit_block *maybe_split (jit_factory& factory, jit_block_list& blocks, |
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parents:
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diff
changeset
|
731 jit_block& asuccessor) |
| 15016 | 732 { |
|
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parents:
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diff
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|
733 return maybe_split (factory, blocks, &asuccessor); |
| 15016 | 734 } |
| 735 | |
| 736 // print dominator infomration | |
| 737 std::ostream& print_dom (std::ostream& os) const; | |
| 738 | |
| 739 virtual std::ostream& short_print (std::ostream& os) const | |
| 740 { | |
| 741 os << mname; | |
| 742 if (mid != NO_ID) | |
| 743 os << mid; | |
| 744 return os; | |
| 745 } | |
| 746 | |
| 747 llvm::BasicBlock *to_llvm (void) const; | |
| 748 | |
| 749 std::list<jit_block *>::iterator location (void) const | |
| 750 { return mlocation; } | |
| 751 | |
| 752 void stash_location (std::list<jit_block *>::iterator alocation) | |
| 753 { mlocation = alocation; } | |
| 754 | |
| 755 // used to prevent visiting the same node twice in the graph | |
| 756 size_t visit_count (void) const { return mvisit_count; } | |
| 757 | |
| 758 // check if this node has been visited yet at the given visit count. If we | |
| 759 // have not been visited yet, mark us as visited. | |
| 760 bool visited (size_t avisit_count) | |
| 761 { | |
| 762 if (mvisit_count <= avisit_count) | |
| 763 { | |
| 764 mvisit_count = avisit_count + 1; | |
| 765 return false; | |
| 766 } | |
| 767 | |
| 768 return true; | |
| 769 } | |
| 770 | |
| 771 JIT_VALUE_ACCEPT; | |
| 772 private: | |
| 773 void internal_append (jit_instruction *instr); | |
| 774 | |
| 775 void compute_df (size_t avisit_count); | |
| 776 | |
| 777 bool update_idom (size_t avisit_count); | |
| 778 | |
| 779 void create_dom_tree (size_t avisit_count); | |
| 780 | |
| 781 static jit_block *idom_intersect (jit_block *i, jit_block *j); | |
| 782 | |
| 783 size_t mvisit_count; | |
| 784 size_t mid; | |
| 785 jit_block *idom; | |
| 786 df_set mdf; | |
| 787 std::vector<jit_block *> dom_succ; | |
| 788 std::string mname; | |
| 789 instruction_list instructions; | |
| 790 bool malive; | |
| 791 std::list<jit_block *>::iterator mlocation; | |
| 792 }; | |
| 793 | |
| 794 // keeps track of phi functions that use a block on incomming edges | |
| 795 class | |
| 796 jit_phi_incomming : public jit_internal_node<jit_block, jit_phi_incomming> | |
| 797 { | |
| 798 public: | |
| 799 jit_phi_incomming (void) : muser (0) {} | |
| 800 | |
| 801 jit_phi_incomming (jit_phi *auser) : muser (auser) {} | |
| 802 | |
| 803 jit_phi_incomming (const jit_phi_incomming& use) : jit_internal_node () | |
| 804 { | |
| 805 *this = use; | |
| 806 } | |
| 807 | |
| 808 jit_phi_incomming& operator= (const jit_phi_incomming& use) | |
| 809 { | |
| 810 stash_value (use.value ()); | |
| 811 muser = use.muser; | |
| 812 return *this; | |
| 813 } | |
| 814 | |
| 815 jit_phi *user (void) const { return muser; } | |
| 816 | |
| 817 jit_block *user_parent (void) const; | |
| 818 private: | |
| 819 jit_phi *muser; | |
| 820 }; | |
| 821 | |
| 822 // A non-ssa variable | |
| 823 class | |
| 824 jit_variable : public jit_value | |
| 825 { | |
| 826 public: | |
| 827 jit_variable (const std::string& aname) : mname (aname), mlast_use (0) {} | |
| 828 | |
| 829 const std::string &name (void) const { return mname; } | |
| 830 | |
| 831 // manipulate the value_stack, for use during SSA construction. The top of the | |
| 832 // value stack represents the current value for this variable | |
| 833 bool has_top (void) const | |
| 834 { | |
| 835 return ! value_stack.empty (); | |
| 836 } | |
| 837 | |
| 838 jit_value *top (void) const | |
| 839 { | |
| 840 return value_stack.top (); | |
| 841 } | |
| 842 | |
| 843 void push (jit_instruction *v) | |
| 844 { | |
| 845 value_stack.push (v); | |
| 846 mlast_use = v; | |
| 847 } | |
| 848 | |
| 849 void pop (void) | |
| 850 { | |
| 851 value_stack.pop (); | |
| 852 } | |
| 853 | |
| 854 jit_instruction *last_use (void) const | |
| 855 { | |
| 856 return mlast_use; | |
| 857 } | |
| 858 | |
| 859 void stash_last_use (jit_instruction *instr) | |
| 860 { | |
| 861 mlast_use = instr; | |
| 862 } | |
| 863 | |
| 864 // blocks in which we are used | |
| 865 void use_blocks (jit_block::df_set& result) | |
| 866 { | |
| 867 jit_use *use = first_use (); | |
| 868 while (use) | |
| 869 { | |
| 870 result.insert (use->user_parent ()); | |
| 871 use = use->next (); | |
| 872 } | |
| 873 } | |
| 874 | |
| 875 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 876 { | |
| 877 return print_indent (os, indent) << mname; | |
| 878 } | |
| 879 | |
| 880 JIT_VALUE_ACCEPT; | |
| 881 private: | |
| 882 std::string mname; | |
| 883 std::stack<jit_value *> value_stack; | |
| 884 jit_instruction *mlast_use; | |
| 885 }; | |
| 886 | |
| 887 class | |
| 888 jit_assign_base : public jit_instruction | |
| 889 { | |
| 890 public: | |
| 891 jit_assign_base (jit_variable *adest) : jit_instruction (), mdest (adest) {} | |
| 892 | |
| 893 jit_assign_base (jit_variable *adest, size_t npred) : jit_instruction (npred), | |
| 894 mdest (adest) {} | |
| 895 | |
| 896 jit_assign_base (jit_variable *adest, jit_value *arg0, jit_value *arg1) | |
| 897 : jit_instruction (arg0, arg1), mdest (adest) {} | |
| 898 | |
| 899 jit_variable *dest (void) const { return mdest; } | |
| 900 | |
| 901 virtual void push_variable (void) | |
| 902 { | |
| 903 mdest->push (this); | |
| 904 } | |
| 905 | |
| 906 virtual void pop_variable (void) | |
| 907 { | |
| 908 mdest->pop (); | |
| 909 } | |
| 910 | |
| 911 virtual std::ostream& short_print (std::ostream& os) const | |
| 912 { | |
| 913 if (type ()) | |
| 914 jit_print (os, type ()) << ": "; | |
| 915 | |
| 916 dest ()->short_print (os); | |
| 917 return os << "#" << id (); | |
| 918 } | |
| 919 private: | |
| 920 jit_variable *mdest; | |
| 921 }; | |
| 922 | |
| 923 class | |
| 924 jit_assign : public jit_assign_base | |
| 925 { | |
| 926 public: | |
| 927 jit_assign (jit_variable *adest, jit_value *asrc) | |
| 928 : jit_assign_base (adest, adest, asrc), martificial (false) {} | |
| 929 | |
| 930 jit_value *overwrite (void) const | |
| 931 { | |
| 932 return argument (0); | |
| 933 } | |
| 934 | |
| 935 jit_value *src (void) const | |
| 936 { | |
| 937 return argument (1); | |
| 938 } | |
| 939 | |
| 940 // variables don't get modified in an SSA, but COW requires we modify | |
| 941 // variables. An artificial assign is for when a variable gets modified. We | |
| 942 // need an assign in the SSA, but the reference counts shouldn't be updated. | |
| 943 bool artificial (void) const { return martificial; } | |
| 944 | |
| 945 void mark_artificial (void) { martificial = true; } | |
| 946 | |
| 947 virtual bool infer (void) | |
| 948 { | |
| 949 jit_type *stype = src ()->type (); | |
| 950 if (stype != type()) | |
| 951 { | |
| 952 stash_type (stype); | |
| 953 return true; | |
| 954 } | |
| 955 | |
| 956 return false; | |
| 957 } | |
| 958 | |
| 959 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 960 { | |
| 961 print_indent (os, indent) << *this << " = " << *src (); | |
| 962 | |
| 963 if (artificial ()) | |
| 964 os << " [artificial]"; | |
| 965 | |
| 966 return os; | |
| 967 } | |
| 968 | |
| 969 JIT_VALUE_ACCEPT; | |
| 970 private: | |
| 971 bool martificial; | |
| 972 }; | |
| 973 | |
| 974 class | |
| 975 jit_phi : public jit_assign_base | |
| 976 { | |
| 977 public: | |
| 978 jit_phi (jit_variable *adest, size_t npred) | |
| 979 : jit_assign_base (adest, npred) | |
| 980 { | |
| 981 mincomming.reserve (npred); | |
| 982 } | |
| 983 | |
| 984 // removes arguments form dead incomming jumps | |
| 985 bool prune (void); | |
| 986 | |
| 987 void add_incomming (jit_block *from, jit_value *value) | |
| 988 { | |
| 989 push_argument (value); | |
| 990 mincomming.push_back (jit_phi_incomming (this)); | |
| 991 mincomming[mincomming.size () - 1].stash_value (from); | |
| 992 } | |
| 993 | |
| 994 jit_block *incomming (size_t i) const | |
| 995 { | |
| 996 return mincomming[i].value (); | |
| 997 } | |
| 998 | |
| 999 llvm::BasicBlock *incomming_llvm (size_t i) const | |
| 1000 { | |
| 1001 return incomming (i)->to_llvm (); | |
| 1002 } | |
| 1003 | |
| 1004 virtual void construct_ssa (void) {} | |
| 1005 | |
| 1006 virtual bool infer (void); | |
| 1007 | |
| 1008 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1009 { | |
| 1010 std::stringstream ss; | |
| 1011 print_indent (ss, indent); | |
| 1012 short_print (ss) << " phi "; | |
| 1013 std::string ss_str = ss.str (); | |
| 1014 std::string indent_str (ss_str.size (), ' '); | |
| 1015 os << ss_str; | |
| 1016 | |
| 1017 for (size_t i = 0; i < argument_count (); ++i) | |
| 1018 { | |
| 1019 if (i > 0) | |
| 1020 os << indent_str; | |
| 1021 os << "| "; | |
| 1022 | |
| 1023 os << *incomming (i) << " -> "; | |
| 1024 os << *argument (i); | |
| 1025 | |
| 1026 if (i + 1 < argument_count ()) | |
| 1027 os << std::endl; | |
| 1028 } | |
| 1029 | |
| 1030 return os; | |
| 1031 } | |
| 1032 | |
| 1033 llvm::PHINode *to_llvm (void) const; | |
| 1034 | |
| 1035 JIT_VALUE_ACCEPT; | |
| 1036 private: | |
| 1037 std::vector<jit_phi_incomming> mincomming; | |
| 1038 }; | |
| 1039 | |
| 1040 class | |
| 1041 jit_terminator : public jit_instruction | |
| 1042 { | |
| 1043 public: | |
| 1044 #define JIT_TERMINATOR_CONST(N) \ | |
| 1045 jit_terminator (size_t asuccessor_count, \ | |
| 1046 OCT_MAKE_DECL_LIST (jit_value *, arg, N)) \ | |
| 1047 : jit_instruction (OCT_MAKE_ARG_LIST (arg, N)), \ | |
| 1048 malive (asuccessor_count, false) {} | |
| 1049 | |
| 1050 JIT_TERMINATOR_CONST (1) | |
| 1051 JIT_TERMINATOR_CONST (2) | |
| 1052 JIT_TERMINATOR_CONST (3) | |
| 1053 | |
| 1054 #undef JIT_TERMINATOR_CONST | |
| 1055 | |
| 1056 jit_block *successor (size_t idx = 0) const | |
| 1057 { | |
| 1058 return static_cast<jit_block *> (argument (idx)); | |
| 1059 } | |
| 1060 | |
| 1061 llvm::BasicBlock *successor_llvm (size_t idx = 0) const | |
| 1062 { | |
| 1063 return successor (idx)->to_llvm (); | |
| 1064 } | |
| 1065 | |
| 1066 size_t successor_index (const jit_block *asuccessor) const; | |
| 1067 | |
| 1068 std::ostream& print_successor (std::ostream& os, size_t idx = 0) const | |
| 1069 { | |
| 1070 if (alive (idx)) | |
| 1071 os << "[live] "; | |
| 1072 else | |
| 1073 os << "[dead] "; | |
| 1074 | |
| 1075 return successor (idx)->short_print (os); | |
| 1076 } | |
| 1077 | |
| 1078 // Check if the jump to successor is live | |
| 1079 bool alive (const jit_block *asuccessor) const | |
| 1080 { | |
| 1081 return alive (successor_index (asuccessor)); | |
| 1082 } | |
| 1083 | |
| 1084 bool alive (size_t idx) const { return malive[idx]; } | |
| 1085 | |
| 1086 bool alive (int idx) const { return malive[idx]; } | |
| 1087 | |
| 1088 size_t successor_count (void) const { return malive.size (); } | |
| 1089 | |
| 1090 virtual bool infer (void); | |
| 1091 | |
| 1092 llvm::TerminatorInst *to_llvm (void) const; | |
| 1093 protected: | |
| 1094 virtual bool check_alive (size_t) const { return true; } | |
| 1095 private: | |
| 1096 std::vector<bool> malive; | |
| 1097 }; | |
| 1098 | |
| 1099 class | |
| 1100 jit_branch : public jit_terminator | |
| 1101 { | |
| 1102 public: | |
| 1103 jit_branch (jit_block *succ) : jit_terminator (1, succ) {} | |
| 1104 | |
| 1105 virtual size_t successor_count (void) const { return 1; } | |
| 1106 | |
| 1107 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1108 { | |
| 1109 print_indent (os, indent) << "branch: "; | |
| 1110 return print_successor (os); | |
| 1111 } | |
| 1112 | |
| 1113 JIT_VALUE_ACCEPT; | |
| 1114 }; | |
| 1115 | |
| 1116 class | |
| 1117 jit_cond_branch : public jit_terminator | |
| 1118 { | |
| 1119 public: | |
| 1120 jit_cond_branch (jit_value *c, jit_block *ctrue, jit_block *cfalse) | |
| 1121 : jit_terminator (2, ctrue, cfalse, c) {} | |
| 1122 | |
| 1123 jit_value *cond (void) const { return argument (2); } | |
| 1124 | |
| 1125 std::ostream& print_cond (std::ostream& os) const | |
| 1126 { | |
| 1127 return cond ()->short_print (os); | |
| 1128 } | |
| 1129 | |
| 1130 llvm::Value *cond_llvm (void) const | |
| 1131 { | |
| 1132 return cond ()->to_llvm (); | |
| 1133 } | |
| 1134 | |
| 1135 virtual size_t successor_count (void) const { return 2; } | |
| 1136 | |
| 1137 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1138 { | |
| 1139 print_indent (os, indent) << "cond_branch: "; | |
| 1140 print_cond (os) << ", "; | |
| 1141 print_successor (os, 0) << ", "; | |
| 1142 return print_successor (os, 1); | |
| 1143 } | |
| 1144 | |
| 1145 JIT_VALUE_ACCEPT; | |
| 1146 }; | |
| 1147 | |
| 1148 class | |
| 1149 jit_call : public jit_instruction | |
| 1150 { | |
| 1151 public: | |
| 1152 #define JIT_CALL_CONST(N) \ | |
| 1153 jit_call (const jit_operation& aoperation, \ | |
| 1154 OCT_MAKE_DECL_LIST (jit_value *, arg, N)) \ | |
| 1155 : jit_instruction (OCT_MAKE_ARG_LIST (arg, N)), moperation (aoperation) {} \ | |
| 1156 \ | |
| 1157 jit_call (const jit_operation& (*aoperation) (void), \ | |
| 1158 OCT_MAKE_DECL_LIST (jit_value *, arg, N)) \ | |
| 1159 : jit_instruction (OCT_MAKE_ARG_LIST (arg, N)), moperation (aoperation ()) \ | |
| 1160 {} | |
| 1161 | |
| 1162 JIT_CALL_CONST (1) | |
| 1163 JIT_CALL_CONST (2) | |
| 1164 JIT_CALL_CONST (3) | |
| 1165 JIT_CALL_CONST (4) | |
| 1166 | |
| 1167 #undef JIT_CALL_CONST | |
| 1168 | |
| 15067 | 1169 jit_call (const jit_operation& aoperation, |
| 1170 const std::vector<jit_value *>& args) | |
| 1171 : jit_instruction (args), moperation (aoperation) | |
| 1172 {} | |
| 15016 | 1173 |
| 1174 const jit_operation& operation (void) const { return moperation; } | |
| 1175 | |
| 1176 bool can_error (void) const | |
| 1177 { | |
| 1178 return overload ().can_error (); | |
| 1179 } | |
| 1180 | |
| 1181 const jit_function& overload (void) const | |
| 1182 { | |
| 1183 return moperation.overload (argument_types ()); | |
| 1184 } | |
| 1185 | |
| 1186 virtual bool needs_release (void) const | |
| 1187 { | |
| 1188 return type () && jit_typeinfo::get_release (type ()).valid (); | |
| 1189 } | |
| 1190 | |
| 1191 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1192 { | |
| 1193 print_indent (os, indent); | |
| 1194 | |
| 1195 if (use_count ()) | |
| 1196 short_print (os) << " = "; | |
| 1197 os << "call " << moperation.name () << " ("; | |
| 1198 | |
| 1199 for (size_t i = 0; i < argument_count (); ++i) | |
| 1200 { | |
| 1201 print_argument (os, i); | |
| 1202 if (i + 1 < argument_count ()) | |
| 1203 os << ", "; | |
| 1204 } | |
| 1205 return os << ")"; | |
| 1206 } | |
| 1207 | |
| 1208 virtual bool infer (void); | |
| 1209 | |
| 1210 JIT_VALUE_ACCEPT; | |
| 1211 private: | |
| 1212 const jit_operation& moperation; | |
| 1213 }; | |
| 1214 | |
| 1215 // FIXME: This is just ugly... | |
| 1216 // checks error_state, if error_state is false then goto the normal branche, | |
| 1217 // otherwise goto the error branch | |
| 1218 class | |
| 1219 jit_error_check : public jit_terminator | |
| 1220 { | |
| 1221 public: | |
| 1222 jit_error_check (jit_call *acheck_for, jit_block *normal, jit_block *error) | |
| 1223 : jit_terminator (2, error, normal, acheck_for) {} | |
| 1224 | |
| 1225 jit_call *check_for (void) const | |
| 1226 { | |
| 1227 return static_cast<jit_call *> (argument (2)); | |
| 1228 } | |
| 1229 | |
| 1230 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1231 { | |
| 1232 print_indent (os, indent) << "error_check " << *check_for () << ", "; | |
| 1233 print_successor (os, 1) << ", "; | |
| 1234 return print_successor (os, 0); | |
| 1235 } | |
| 1236 | |
| 1237 JIT_VALUE_ACCEPT; | |
| 1238 protected: | |
| 1239 virtual bool check_alive (size_t idx) const | |
| 1240 { | |
| 1241 return idx == 1 ? true : check_for ()->can_error (); | |
| 1242 } | |
| 1243 }; | |
| 1244 | |
|
15056
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
diff
changeset
|
1245 // for now only handles the 1D case |
|
bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
diff
changeset
|
1246 class |
|
bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
diff
changeset
|
1247 jit_magic_end : public jit_instruction |
|
bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
diff
changeset
|
1248 { |
|
bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
diff
changeset
|
1249 public: |
| 15067 | 1250 class |
| 1251 context | |
| 1252 { | |
| 1253 public: | |
| 1254 context (void) : value (0), index (0), count (0) | |
| 1255 {} | |
| 1256 | |
|
15182
a7a56b436de2
Factor out jit_block_list and jit_factory from jit_convert
Max Brister <max@2bass.com>
parents:
15102
diff
changeset
|
1257 context (jit_factory& factory, jit_value *avalue, size_t aindex, |
|
15102
d29f2583cf7b
Support end in multi indexing in JIT
Max Brister <max@2bass.com>
parents:
15096
diff
changeset
|
1258 size_t acount); |
| 15067 | 1259 |
| 1260 jit_value *value; | |
|
15102
d29f2583cf7b
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Max Brister <max@2bass.com>
parents:
15096
diff
changeset
|
1261 jit_const_index *index; |
|
d29f2583cf7b
Support end in multi indexing in JIT
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parents:
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|
1262 jit_const_index *count; |
| 15067 | 1263 }; |
| 1264 | |
| 1265 jit_magic_end (const std::vector<context>& full_context); | |
|
15056
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Max Brister <max@2bass.com>
parents:
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changeset
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1266 |
|
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Max Brister <max@2bass.com>
parents:
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1267 virtual bool infer (void); |
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d29f2583cf7b
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parents:
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1268 |
|
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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1269 const jit_function& overload () const; |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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changeset
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1270 |
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Max Brister <max@2bass.com>
parents:
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changeset
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1271 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const; |
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Max Brister <max@2bass.com>
parents:
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changeset
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1272 |
|
15102
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parents:
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1273 context resolve_context (void) const; |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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diff
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1274 |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
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changeset
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1275 virtual std::ostream& short_print (std::ostream& os) const |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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1276 { |
|
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parents:
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1277 return os << "magic_end" << "#" << id (); |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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diff
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1278 } |
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Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
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changeset
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1279 |
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bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
15016
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1280 JIT_VALUE_ACCEPT; |
|
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1281 private: |
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parents:
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1282 std::vector<context> contexts; |
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Max Brister <max@2bass.com>
parents:
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diff
changeset
|
1283 }; |
|
bc32288f4a42
Support the end keyword for one dimentional indexing in JIT.
Max Brister <max@2bass.com>
parents:
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diff
changeset
|
1284 |
| 15016 | 1285 class |
| 1286 jit_extract_argument : public jit_assign_base | |
| 1287 { | |
| 1288 public: | |
| 1289 jit_extract_argument (jit_type *atype, jit_variable *adest) | |
| 1290 : jit_assign_base (adest) | |
| 1291 { | |
| 1292 stash_type (atype); | |
| 1293 } | |
| 1294 | |
| 1295 const std::string& name (void) const | |
| 1296 { | |
| 1297 return dest ()->name (); | |
| 1298 } | |
| 1299 | |
| 1300 const jit_function& overload (void) const | |
| 1301 { | |
| 1302 return jit_typeinfo::cast (type (), jit_typeinfo::get_any ()); | |
| 1303 } | |
| 1304 | |
| 1305 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1306 { | |
| 1307 print_indent (os, indent); | |
| 1308 | |
| 1309 return short_print (os) << " = extract " << name (); | |
| 1310 } | |
| 1311 | |
| 1312 JIT_VALUE_ACCEPT; | |
| 1313 }; | |
| 1314 | |
| 1315 class | |
| 1316 jit_store_argument : public jit_instruction | |
| 1317 { | |
| 1318 public: | |
| 1319 jit_store_argument (jit_variable *var) | |
| 1320 : jit_instruction (var), dest (var) | |
| 1321 {} | |
| 1322 | |
| 1323 const std::string& name (void) const | |
| 1324 { | |
| 1325 return dest->name (); | |
| 1326 } | |
| 1327 | |
| 1328 const jit_function& overload (void) const | |
| 1329 { | |
| 1330 return jit_typeinfo::cast (jit_typeinfo::get_any (), result_type ()); | |
| 1331 } | |
| 1332 | |
| 1333 jit_value *result (void) const | |
| 1334 { | |
| 1335 return argument (0); | |
| 1336 } | |
| 1337 | |
| 1338 jit_type *result_type (void) const | |
| 1339 { | |
| 1340 return result ()->type (); | |
| 1341 } | |
| 1342 | |
| 1343 llvm::Value *result_llvm (void) const | |
| 1344 { | |
| 1345 return result ()->to_llvm (); | |
| 1346 } | |
| 1347 | |
| 1348 virtual std::ostream& print (std::ostream& os, size_t indent = 0) const | |
| 1349 { | |
| 1350 jit_value *res = result (); | |
| 1351 print_indent (os, indent) << "store "; | |
| 1352 dest->short_print (os); | |
| 1353 | |
| 1354 if (! isa<jit_variable> (res)) | |
| 1355 { | |
| 1356 os << " = "; | |
| 1357 res->short_print (os); | |
| 1358 } | |
| 1359 | |
| 1360 return os; | |
| 1361 } | |
| 1362 | |
| 1363 JIT_VALUE_ACCEPT; | |
| 1364 private: | |
| 1365 jit_variable *dest; | |
| 1366 }; | |
| 1367 | |
| 1368 class | |
| 1369 jit_ir_walker | |
| 1370 { | |
| 1371 public: | |
| 1372 virtual ~jit_ir_walker () {} | |
| 1373 | |
| 1374 #define JIT_METH(clname) \ | |
| 1375 virtual void visit (jit_ ## clname&) = 0; | |
| 1376 | |
| 1377 JIT_VISIT_IR_CLASSES; | |
| 1378 | |
| 1379 #undef JIT_METH | |
| 1380 }; | |
| 1381 | |
| 1382 template <typename T, jit_type *(*EXTRACT_T)(void), typename PASS_T, bool QUOTE> | |
| 1383 void | |
| 1384 jit_const<T, EXTRACT_T, PASS_T, QUOTE>::accept (jit_ir_walker& walker) | |
| 1385 { | |
| 1386 walker.visit (*this); | |
| 1387 } | |
| 1388 | |
| 1389 #undef JIT_VALUE_ACCEPT | |
| 1390 | |
| 1391 #endif | |
| 1392 #endif |