Mercurial > hg > octave-lyh
annotate src/pt-jit.cc @ 14918:13465aab507f
Removed dead functions
* src/pt-jit.cc (jit_typeinfo::do_to_generic, jit_typeinfo::do_to_octave_value)
(jit_typeinfo::do_reset_generic): Removed
* src/pt-jit.h (jit_typeinfo::to_generic, jit_typeinfo::to_octave_value)
(jit_typeinfo::reset_generic): Removed
| author | Max Brister <max@2bass.com> |
|---|---|
| date | Thu, 24 May 2012 15:25:06 -0600 |
| parents | 232d8ab07932 |
| children | 51d4b1018efb |
| rev | line source |
|---|---|
| 14899 | 1 /* |
| 2 | |
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3 Copyright (C) 2012 Max Brister <max@2bass.com> |
| 14899 | 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 #define __STDC_LIMIT_MACROS | |
| 24 #define __STDC_CONSTANT_MACROS | |
| 25 | |
| 26 #ifdef HAVE_CONFIG_H | |
| 27 #include <config.h> | |
| 28 #endif | |
| 29 | |
| 30 #include "pt-jit.h" | |
| 31 | |
| 32 #include <typeinfo> | |
| 33 | |
| 34 #include <llvm/LLVMContext.h> | |
| 35 #include <llvm/Module.h> | |
| 36 #include <llvm/Function.h> | |
| 37 #include <llvm/BasicBlock.h> | |
| 38 #include <llvm/Support/IRBuilder.h> | |
| 39 #include <llvm/ExecutionEngine/ExecutionEngine.h> | |
| 40 #include <llvm/ExecutionEngine/JIT.h> | |
| 41 #include <llvm/PassManager.h> | |
| 42 #include <llvm/Analysis/Verifier.h> | |
| 14903 | 43 #include <llvm/Analysis/CallGraph.h> |
| 14899 | 44 #include <llvm/Analysis/Passes.h> |
| 45 #include <llvm/Target/TargetData.h> | |
| 46 #include <llvm/Transforms/Scalar.h> | |
| 14903 | 47 #include <llvm/Transforms/IPO.h> |
| 14899 | 48 #include <llvm/Support/TargetSelect.h> |
| 49 #include <llvm/Support/raw_os_ostream.h> | |
| 50 | |
| 14903 | 51 #include "octave.h" |
| 14899 | 52 #include "ov-fcn-handle.h" |
| 53 #include "ov-usr-fcn.h" | |
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54 #include "ov-scalar.h" |
| 14899 | 55 #include "pt-all.h" |
| 56 | |
| 14903 | 57 // FIXME: Remove eventually |
| 58 // For now we leave this in so people tell when JIT actually happens | |
| 59 static const bool debug_print = false; | |
| 14899 | 60 |
| 14903 | 61 static llvm::IRBuilder<> builder (llvm::getGlobalContext ()); |
| 62 | |
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63 static llvm::LLVMContext& context = llvm::getGlobalContext (); |
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64 |
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65 jit_typeinfo *jit_typeinfo::instance; |
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66 |
| 14906 | 67 // thrown when we should give up on JIT and interpret |
| 68 class jit_fail_exception : public std::exception {}; | |
| 69 | |
| 70 static void | |
| 71 fail (void) | |
| 72 { | |
| 73 throw jit_fail_exception (); | |
| 74 } | |
| 75 | |
| 14903 | 76 // function that jit code calls |
| 77 extern "C" void | |
| 78 octave_jit_print_any (const char *name, octave_base_value *obv) | |
| 79 { | |
| 80 obv->print_with_name (octave_stdout, name, true); | |
| 81 } | |
| 14899 | 82 |
| 83 extern "C" void | |
| 14903 | 84 octave_jit_print_double (const char *name, double value) |
| 14899 | 85 { |
| 86 // FIXME: We should avoid allocating a new octave_scalar each time | |
| 87 octave_value ov (value); | |
| 88 ov.print_with_name (octave_stdout, name); | |
| 89 } | |
| 90 | |
| 14903 | 91 extern "C" octave_base_value* |
| 92 octave_jit_binary_any_any (octave_value::binary_op op, octave_base_value *lhs, | |
| 93 octave_base_value *rhs) | |
| 94 { | |
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95 octave_value olhs (lhs); |
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96 octave_value orhs (rhs); |
| 14903 | 97 octave_value result = do_binary_op (op, olhs, orhs); |
| 98 octave_base_value *rep = result.internal_rep (); | |
| 99 rep->grab (); | |
| 100 return rep; | |
| 101 } | |
| 102 | |
| 103 extern "C" void | |
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104 octave_jit_release_any (octave_base_value *obv) |
| 14903 | 105 { |
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106 obv->release (); |
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107 } |
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108 |
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109 extern "C" octave_base_value * |
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110 octave_jit_grab_any (octave_base_value *obv) |
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111 { |
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112 obv->grab (); |
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113 return obv; |
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114 } |
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115 |
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116 extern "C" double |
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117 octave_jit_cast_scalar_any (octave_base_value *obv) |
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118 { |
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119 double ret = obv->double_value (); |
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120 obv->release (); |
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121 return ret; |
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122 } |
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123 |
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124 extern "C" octave_base_value * |
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125 octave_jit_cast_any_scalar (double value) |
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126 { |
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127 return new octave_scalar (value); |
| 14903 | 128 } |
| 129 | |
| 130 // -------------------- jit_type -------------------- | |
| 131 llvm::Type * | |
| 132 jit_type::to_llvm_arg (void) const | |
| 133 { | |
| 134 return llvm_type ? llvm_type->getPointerTo () : 0; | |
| 135 } | |
| 136 | |
| 137 // -------------------- jit_function -------------------- | |
| 138 void | |
| 139 jit_function::add_overload (const overload& func, | |
| 140 const std::vector<jit_type*>& args) | |
| 141 { | |
| 142 if (args.size () >= overloads.size ()) | |
| 143 overloads.resize (args.size () + 1); | |
| 144 | |
| 145 Array<overload>& over = overloads[args.size ()]; | |
| 146 dim_vector dv (over.dims ()); | |
| 147 Array<octave_idx_type> idx = to_idx (args); | |
| 148 bool must_resize = false; | |
| 149 | |
| 150 if (dv.length () != idx.numel ()) | |
| 151 { | |
| 152 dv.resize (idx.numel ()); | |
| 153 must_resize = true; | |
| 154 } | |
| 155 | |
| 156 for (octave_idx_type i = 0; i < dv.length (); ++i) | |
| 157 if (dv(i) <= idx(i)) | |
| 158 { | |
| 159 must_resize = true; | |
| 160 dv(i) = idx(i) + 1; | |
| 161 } | |
| 162 | |
| 163 if (must_resize) | |
| 164 over.resize (dv); | |
| 165 | |
| 166 over(idx) = func; | |
| 167 } | |
| 168 | |
| 169 const jit_function::overload& | |
| 170 jit_function::get_overload (const std::vector<jit_type*>& types) const | |
| 171 { | |
| 172 // FIXME: We should search for the next best overload on failure | |
| 173 static overload null_overload; | |
| 174 if (types.size () >= overloads.size ()) | |
| 175 return null_overload; | |
| 176 | |
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177 for (size_t i =0; i < types.size (); ++i) |
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178 if (! types[i]) |
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179 return null_overload; |
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180 |
| 14903 | 181 const Array<overload>& over = overloads[types.size ()]; |
| 182 dim_vector dv (over.dims ()); | |
| 183 Array<octave_idx_type> idx = to_idx (types); | |
| 184 for (octave_idx_type i = 0; i < dv.length (); ++i) | |
| 185 if (idx(i) >= dv(i)) | |
| 186 return null_overload; | |
| 187 | |
| 188 return over(idx); | |
| 189 } | |
| 190 | |
| 191 Array<octave_idx_type> | |
| 192 jit_function::to_idx (const std::vector<jit_type*>& types) const | |
| 193 { | |
| 194 octave_idx_type numel = types.size (); | |
| 195 if (numel == 1) | |
| 196 numel = 2; | |
| 197 | |
| 198 Array<octave_idx_type> idx (dim_vector (1, numel)); | |
| 199 for (octave_idx_type i = 0; i < static_cast<octave_idx_type> (types.size ()); | |
| 200 ++i) | |
| 201 idx(i) = types[i]->type_id (); | |
| 202 | |
| 203 if (types.size () == 1) | |
| 204 { | |
| 205 idx(1) = idx(0); | |
| 206 idx(0) = 0; | |
| 207 } | |
| 208 | |
| 209 return idx; | |
| 210 } | |
| 211 | |
| 212 // -------------------- jit_typeinfo -------------------- | |
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213 void |
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214 jit_typeinfo::initialize (llvm::Module *m, llvm::ExecutionEngine *e) |
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215 { |
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216 instance = new jit_typeinfo (m, e); |
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217 } |
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218 |
| 14906 | 219 jit_typeinfo::jit_typeinfo (llvm::Module *m, llvm::ExecutionEngine *e) |
| 220 : module (m), engine (e), next_id (0) | |
| 14899 | 221 { |
| 14903 | 222 // FIXME: We should be registering types like in octave_value_typeinfo |
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223 ov_t = llvm::StructType::create (context, "octave_base_value"); |
| 14906 | 224 ov_t = ov_t->getPointerTo (); |
| 225 | |
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226 llvm::Type *dbl = llvm::Type::getDoubleTy (context); |
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227 llvm::Type *bool_t = llvm::Type::getInt1Ty (context); |
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228 llvm::Type *string_t = llvm::Type::getInt8Ty (context); |
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229 string_t = string_t->getPointerTo (); |
| 14906 | 230 llvm::Type *index_t = 0; |
| 231 switch (sizeof(octave_idx_type)) | |
| 232 { | |
| 233 case 4: | |
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234 index_t = llvm::Type::getInt32Ty (context); |
| 14906 | 235 break; |
| 236 case 8: | |
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237 index_t = llvm::Type::getInt64Ty (context); |
| 14906 | 238 break; |
| 239 default: | |
| 240 assert (false && "Unrecognized index type size"); | |
| 241 } | |
| 242 | |
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243 llvm::StructType *range_t = llvm::StructType::create (context, "range"); |
| 14906 | 244 std::vector<llvm::Type *> range_contents (4, dbl); |
| 245 range_contents[3] = index_t; | |
| 246 range_t->setBody (range_contents); | |
| 247 | |
| 14903 | 248 // create types |
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249 any = new_type ("any", 0, ov_t); |
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250 scalar = new_type ("scalar", any, dbl); |
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251 range = new_type ("range", any, range_t); |
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252 string = new_type ("string", any, string_t); |
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253 boolean = new_type ("bool", any, bool_t); |
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254 index = new_type ("index", any, index_t); |
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255 |
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256 casts.resize (next_id + 1); |
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257 identities.resize (next_id + 1, 0); |
| 14903 | 258 |
| 259 // any with anything is an any op | |
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260 llvm::Function *fn; |
| 14903 | 261 llvm::Type *binary_op_type |
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262 = llvm::Type::getIntNTy (context, sizeof (octave_value::binary_op)); |
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263 llvm::Function *any_binary = create_function ("octave_jit_binary_any_any", |
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264 any->to_llvm (), binary_op_type, |
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265 any->to_llvm (), any->to_llvm ()); |
| 14903 | 266 engine->addGlobalMapping (any_binary, |
| 267 reinterpret_cast<void*>(&octave_jit_binary_any_any)); | |
| 268 | |
| 269 binary_ops.resize (octave_value::num_binary_ops); | |
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270 for (size_t i = 0; i < octave_value::num_binary_ops; ++i) |
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271 { |
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272 octave_value::binary_op op = static_cast<octave_value::binary_op> (i); |
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273 std::string op_name = octave_value::binary_op_as_string (op); |
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274 binary_ops[i].stash_name ("binary" + op_name); |
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275 } |
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276 |
| 14903 | 277 for (int op = 0; op < octave_value::num_binary_ops; ++op) |
| 278 { | |
| 279 llvm::Twine fn_name ("octave_jit_binary_any_any_"); | |
| 280 fn_name = fn_name + llvm::Twine (op); | |
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281 fn = create_function (fn_name, any, any, any); |
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282 llvm::BasicBlock *block = llvm::BasicBlock::Create (context, "body", fn); |
| 14906 | 283 builder.SetInsertPoint (block); |
| 14903 | 284 llvm::APInt op_int(sizeof (octave_value::binary_op), op, |
| 285 std::numeric_limits<octave_value::binary_op>::is_signed); | |
| 286 llvm::Value *op_as_llvm = llvm::ConstantInt::get (binary_op_type, op_int); | |
| 14906 | 287 llvm::Value *ret = builder.CreateCall3 (any_binary, |
| 14903 | 288 op_as_llvm, |
| 289 fn->arg_begin (), | |
| 290 ++fn->arg_begin ()); | |
| 14906 | 291 builder.CreateRet (ret); |
| 14903 | 292 |
| 293 jit_function::overload overload (fn, true, any, any, any); | |
| 294 for (octave_idx_type i = 0; i < next_id; ++i) | |
| 295 binary_ops[op].add_overload (overload); | |
| 296 } | |
| 297 | |
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298 llvm::Type *void_t = llvm::Type::getVoidTy (context); |
| 14903 | 299 |
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300 // grab any |
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301 fn = create_function ("octave_jit_grab_any", any, any); |
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302 |
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303 engine->addGlobalMapping (fn, reinterpret_cast<void*>(&octave_jit_grab_any)); |
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304 grab_fn.add_overload (fn, false, any, any); |
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305 grab_fn.stash_name ("grab"); |
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306 |
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307 // grab scalar |
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308 fn = create_identity (scalar); |
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309 grab_fn.add_overload (fn, false, scalar, scalar); |
| 14903 | 310 |
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311 // release any |
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312 fn = create_function ("octave_jit_release_any", void_t, any->to_llvm ()); |
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313 engine->addGlobalMapping (fn, reinterpret_cast<void*>(&octave_jit_release_any)); |
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314 release_fn.add_overload (fn, false, 0, any); |
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315 release_fn.stash_name ("release"); |
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316 |
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317 // release scalar |
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318 fn = create_identity (scalar); |
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319 release_fn.add_overload (fn, false, 0, scalar); |
| 14903 | 320 |
| 321 // now for binary scalar operations | |
| 322 // FIXME: Finish all operations | |
| 323 add_binary_op (scalar, octave_value::op_add, llvm::Instruction::FAdd); | |
| 324 add_binary_op (scalar, octave_value::op_sub, llvm::Instruction::FSub); | |
| 325 add_binary_op (scalar, octave_value::op_mul, llvm::Instruction::FMul); | |
| 326 add_binary_op (scalar, octave_value::op_el_mul, llvm::Instruction::FMul); | |
| 327 | |
| 328 // FIXME: Warn if rhs is zero | |
| 329 add_binary_op (scalar, octave_value::op_div, llvm::Instruction::FDiv); | |
| 330 add_binary_op (scalar, octave_value::op_el_div, llvm::Instruction::FDiv); | |
| 331 | |
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332 add_binary_fcmp (scalar, octave_value::op_lt, llvm::CmpInst::FCMP_ULT); |
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333 add_binary_fcmp (scalar, octave_value::op_le, llvm::CmpInst::FCMP_ULE); |
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334 add_binary_fcmp (scalar, octave_value::op_eq, llvm::CmpInst::FCMP_UEQ); |
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335 add_binary_fcmp (scalar, octave_value::op_ge, llvm::CmpInst::FCMP_UGE); |
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336 add_binary_fcmp (scalar, octave_value::op_gt, llvm::CmpInst::FCMP_UGT); |
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337 add_binary_fcmp (scalar, octave_value::op_ne, llvm::CmpInst::FCMP_UNE); |
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338 |
| 14903 | 339 // now for printing functions |
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340 print_fn.stash_name ("print"); |
| 14903 | 341 add_print (any, reinterpret_cast<void*> (&octave_jit_print_any)); |
| 342 add_print (scalar, reinterpret_cast<void*> (&octave_jit_print_double)); | |
| 14906 | 343 |
| 344 // bounds check for for loop | |
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345 fn = create_function ("octave_jit_simple_for_range", boolean, range, index); |
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346 llvm::BasicBlock *body = llvm::BasicBlock::Create (context, "body", fn); |
| 14906 | 347 builder.SetInsertPoint (body); |
| 348 { | |
| 349 llvm::Value *nelem | |
| 350 = builder.CreateExtractValue (fn->arg_begin (), 3); | |
| 351 // llvm::Value *idx = builder.CreateLoad (++fn->arg_begin ()); | |
| 352 llvm::Value *idx = ++fn->arg_begin (); | |
| 353 llvm::Value *ret = builder.CreateICmpULT (idx, nelem); | |
| 354 builder.CreateRet (ret); | |
| 355 } | |
| 356 llvm::verifyFunction (*fn); | |
| 357 simple_for_check.add_overload (fn, false, boolean, range, index); | |
| 358 | |
| 359 // increment for for loop | |
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360 fn = create_function ("octave_jit_imple_for_range_incr", index, index); |
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361 body = llvm::BasicBlock::Create (context, "body", fn); |
| 14906 | 362 builder.SetInsertPoint (body); |
| 363 { | |
| 364 llvm::Value *one = llvm::ConstantInt::get (index_t, 1); | |
| 365 llvm::Value *idx = fn->arg_begin (); | |
| 366 llvm::Value *ret = builder.CreateAdd (idx, one); | |
| 367 builder.CreateRet (ret); | |
| 368 } | |
| 369 llvm::verifyFunction (*fn); | |
| 370 simple_for_incr.add_overload (fn, false, index, index); | |
| 371 | |
| 372 // index variabe for for loop | |
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373 fn = create_function ("octave_jit_simple_for_idx", scalar, range, index); |
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374 body = llvm::BasicBlock::Create (context, "body", fn); |
| 14906 | 375 builder.SetInsertPoint (body); |
| 376 { | |
| 377 llvm::Value *idx = ++fn->arg_begin (); | |
| 378 llvm::Value *didx = builder.CreateUIToFP (idx, dbl); | |
| 379 llvm::Value *rng = fn->arg_begin (); | |
| 380 llvm::Value *base = builder.CreateExtractValue (rng, 0); | |
| 381 llvm::Value *inc = builder.CreateExtractValue (rng, 2); | |
| 382 | |
| 383 llvm::Value *ret = builder.CreateFMul (didx, inc); | |
| 384 ret = builder.CreateFAdd (base, ret); | |
| 385 builder.CreateRet (ret); | |
| 386 } | |
| 387 llvm::verifyFunction (*fn); | |
| 388 simple_for_index.add_overload (fn, false, scalar, range, index); | |
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389 |
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390 // logically true |
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391 // FIXME: Check for NaN |
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392 fn = create_function ("octave_logically_true_scalar", boolean, scalar); |
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393 body = llvm::BasicBlock::Create (context, "body", fn); |
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394 builder.SetInsertPoint (body); |
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395 { |
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396 llvm::Value *zero = llvm::ConstantFP::get (scalar->to_llvm (), 0); |
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397 llvm::Value *ret = builder.CreateFCmpUNE (fn->arg_begin (), zero); |
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398 builder.CreateRet (ret); |
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399 } |
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400 llvm::verifyFunction (*fn); |
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401 logically_true.add_overload (fn, true, boolean, scalar); |
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402 |
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403 fn = create_function ("octave_logically_true_bool", boolean, boolean); |
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404 body = llvm::BasicBlock::Create (context, "body", fn); |
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405 builder.SetInsertPoint (body); |
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406 builder.CreateRet (fn->arg_begin ()); |
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407 llvm::verifyFunction (*fn); |
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408 logically_true.add_overload (fn, false, boolean, boolean); |
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409 logically_true.stash_name ("logically_true"); |
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410 |
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411 casts[any->type_id ()].stash_name ("(any)"); |
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412 casts[scalar->type_id ()].stash_name ("(scalar)"); |
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413 |
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414 // cast any <- scalar |
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415 fn = create_function ("octave_jit_cast_any_scalar", any, scalar); |
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416 engine->addGlobalMapping (fn, reinterpret_cast<void*> (&octave_jit_cast_any_scalar)); |
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417 casts[any->type_id ()].add_overload (fn, false, any, scalar); |
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418 |
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419 // cast scalar <- any |
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420 fn = create_function ("octave_jit_cast_scalar_any", scalar, any); |
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421 engine->addGlobalMapping (fn, reinterpret_cast<void*> (&octave_jit_cast_scalar_any)); |
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422 casts[scalar->type_id ()].add_overload (fn, false, scalar, any); |
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423 |
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424 // cast any <- any |
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425 fn = create_identity (any); |
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426 casts[any->type_id ()].add_overload (fn, false, any, any); |
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427 |
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428 // cast scalar <- scalar |
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429 fn = create_identity (scalar); |
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430 casts[scalar->type_id ()].add_overload (fn, false, scalar, scalar); |
| 14903 | 431 } |
| 432 | |
| 433 void | |
| 434 jit_typeinfo::add_print (jit_type *ty, void *call) | |
| 435 { | |
| 436 std::stringstream name; | |
| 437 name << "octave_jit_print_" << ty->name (); | |
| 438 | |
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439 llvm::Type *void_t = llvm::Type::getVoidTy (context); |
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440 llvm::Function *fn = create_function (name.str (), void_t, |
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441 llvm::Type::getInt8PtrTy (context), |
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442 ty->to_llvm ()); |
| 14903 | 443 engine->addGlobalMapping (fn, call); |
| 444 | |
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445 jit_function::overload ol (fn, false, 0, string, ty); |
| 14903 | 446 print_fn.add_overload (ol); |
| 447 } | |
| 448 | |
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449 // FIXME: cp between add_binary_op, add_binary_icmp, and add_binary_fcmp |
| 14903 | 450 void |
| 451 jit_typeinfo::add_binary_op (jit_type *ty, int op, int llvm_op) | |
| 452 { | |
| 453 std::stringstream fname; | |
| 454 octave_value::binary_op ov_op = static_cast<octave_value::binary_op>(op); | |
| 455 fname << "octave_jit_" << octave_value::binary_op_as_string (ov_op) | |
| 456 << "_" << ty->name (); | |
| 14906 | 457 |
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458 llvm::Function *fn = create_function (fname.str (), ty, ty, ty); |
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459 llvm::BasicBlock *block = llvm::BasicBlock::Create (context, "body", fn); |
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460 builder.SetInsertPoint (block); |
| 14903 | 461 llvm::Instruction::BinaryOps temp |
| 462 = static_cast<llvm::Instruction::BinaryOps>(llvm_op); | |
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463 llvm::Value *ret = builder.CreateBinOp (temp, fn->arg_begin (), |
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464 ++fn->arg_begin ()); |
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465 builder.CreateRet (ret); |
| 14903 | 466 llvm::verifyFunction (*fn); |
| 467 | |
| 468 jit_function::overload ol(fn, false, ty, ty, ty); | |
| 469 binary_ops[op].add_overload (ol); | |
| 470 } | |
| 471 | |
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472 void |
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473 jit_typeinfo::add_binary_icmp (jit_type *ty, int op, int llvm_op) |
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474 { |
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475 std::stringstream fname; |
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476 octave_value::binary_op ov_op = static_cast<octave_value::binary_op>(op); |
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477 fname << "octave_jit" << octave_value::binary_op_as_string (ov_op) |
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478 << "_" << ty->name (); |
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479 |
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480 llvm::Function *fn = create_function (fname.str (), boolean, ty, ty); |
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481 llvm::BasicBlock *block = llvm::BasicBlock::Create (context, "body", fn); |
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482 builder.SetInsertPoint (block); |
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483 llvm::CmpInst::Predicate temp |
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484 = static_cast<llvm::CmpInst::Predicate>(llvm_op); |
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485 llvm::Value *ret = builder.CreateICmp (temp, fn->arg_begin (), |
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486 ++fn->arg_begin ()); |
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487 builder.CreateRet (ret); |
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488 llvm::verifyFunction (*fn); |
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489 |
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490 jit_function::overload ol (fn, false, boolean, ty, ty); |
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491 binary_ops[op].add_overload (ol); |
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492 } |
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493 |
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494 void |
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495 jit_typeinfo::add_binary_fcmp (jit_type *ty, int op, int llvm_op) |
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496 { |
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497 std::stringstream fname; |
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498 octave_value::binary_op ov_op = static_cast<octave_value::binary_op>(op); |
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499 fname << "octave_jit" << octave_value::binary_op_as_string (ov_op) |
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500 << "_" << ty->name (); |
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501 |
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502 llvm::Function *fn = create_function (fname.str (), boolean, ty, ty); |
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503 llvm::BasicBlock *block = llvm::BasicBlock::Create (context, "body", fn); |
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504 builder.SetInsertPoint (block); |
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505 llvm::CmpInst::Predicate temp |
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506 = static_cast<llvm::CmpInst::Predicate>(llvm_op); |
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507 llvm::Value *ret = builder.CreateFCmp (temp, fn->arg_begin (), |
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508 ++fn->arg_begin ()); |
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509 builder.CreateRet (ret); |
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510 llvm::verifyFunction (*fn); |
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511 |
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512 jit_function::overload ol (fn, false, boolean, ty, ty); |
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513 binary_ops[op].add_overload (ol); |
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514 } |
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515 |
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516 llvm::Function * |
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517 jit_typeinfo::create_function (const llvm::Twine& name, llvm::Type *ret, |
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518 const std::vector<llvm::Type *>& args) |
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519 { |
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520 llvm::FunctionType *ft = llvm::FunctionType::get (ret, args, false); |
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521 llvm::Function *fn = llvm::Function::Create (ft, |
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522 llvm::Function::ExternalLinkage, |
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523 name, module); |
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524 fn->addFnAttr (llvm::Attribute::AlwaysInline); |
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525 return fn; |
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526 } |
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527 |
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528 llvm::Function * |
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529 jit_typeinfo::create_identity (jit_type *type) |
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530 { |
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531 size_t id = type->type_id (); |
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532 if (id >= identities.size ()) |
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533 identities.resize (id + 1, 0); |
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534 |
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535 if (! identities[id]) |
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536 { |
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537 llvm::Function *fn = create_function ("id", type, type); |
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538 llvm::BasicBlock *body = llvm::BasicBlock::Create (context, "body", fn); |
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539 builder.SetInsertPoint (body); |
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540 builder.CreateRet (fn->arg_begin ()); |
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541 llvm::verifyFunction (*fn); |
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542 identities[id] = fn; |
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543 } |
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544 |
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545 return identities[id]; |
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546 } |
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547 |
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548 jit_type * |
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549 jit_typeinfo::do_type_of (const octave_value &ov) const |
| 14903 | 550 { |
| 551 if (ov.is_undefined () || ov.is_function ()) | |
| 552 return 0; | |
| 553 | |
| 554 if (ov.is_double_type () && ov.is_real_scalar ()) | |
| 555 return get_scalar (); | |
| 556 | |
| 14906 | 557 if (ov.is_range ()) |
| 558 return get_range (); | |
| 559 | |
| 14903 | 560 return get_any (); |
| 561 } | |
| 562 | |
| 563 jit_type* | |
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564 jit_typeinfo::new_type (const std::string& name, jit_type *parent, |
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565 llvm::Type *llvm_type) |
| 14903 | 566 { |
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567 jit_type *ret = new jit_type (name, parent, llvm_type, next_id++); |
| 14903 | 568 id_to_type.push_back (ret); |
| 569 return ret; | |
| 570 } | |
| 571 | |
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572 // -------------------- jit_block -------------------- |
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573 llvm::BasicBlock * |
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574 jit_block::to_llvm (void) const |
| 14903 | 575 { |
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576 return llvm::cast<llvm::BasicBlock> (llvm_value); |
| 14903 | 577 } |
| 578 | |
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579 // -------------------- jit_call -------------------- |
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580 bool |
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581 jit_call::infer (void) |
| 14903 | 582 { |
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583 // FIXME explain algorithm |
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584 jit_type *current = type (); |
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585 for (size_t i = 0; i < argument_count (); ++i) |
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586 { |
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587 jit_type *arg_type = argument_type (i); |
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588 jit_type *todo = jit_typeinfo::difference (arg_type, already_infered[i]); |
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589 if (todo) |
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590 { |
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591 already_infered[i] = todo; |
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592 jit_type *fresult = mfunction.get_result (already_infered); |
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593 current = jit_typeinfo::tunion (current, fresult); |
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594 already_infered[i] = arg_type; |
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595 } |
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596 } |
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597 |
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598 if (current != type ()) |
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599 { |
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600 stash_type (current); |
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601 return true; |
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602 } |
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603 |
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604 return false; |
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605 } |
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606 |
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607 // -------------------- jit_convert -------------------- |
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608 jit_convert::jit_convert (llvm::Module *module, tree &tee) |
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609 { |
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610 jit_instruction::reset_ids (); |
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611 |
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612 entry_block = new jit_block ("entry"); |
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613 blocks.push_back (entry_block); |
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614 block = new jit_block ("body"); |
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615 blocks.push_back (block); |
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616 |
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617 final_block = new jit_block ("final"); |
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618 visit (tee); |
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619 blocks.push_back (final_block); |
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620 |
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621 entry_block->append (new jit_break (block)); |
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622 block->append (new jit_break (final_block)); |
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623 |
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624 for (variable_map::iterator iter = variables.begin (); |
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625 iter != variables.end (); ++iter) |
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626 final_block->append (new jit_store_argument (iter->first, iter->second)); |
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627 |
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628 // FIXME: Maybe we should remove dead code here? |
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629 |
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630 // initialize the worklist to instructions derived from constants |
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631 for (std::list<jit_value *>::iterator iter = constants.begin (); |
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632 iter != constants.end (); ++iter) |
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633 append_users (*iter); |
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634 |
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635 // FIXME: Describe algorithm here |
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636 while (worklist.size ()) |
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637 { |
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638 jit_instruction *next = worklist.front (); |
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639 worklist.pop_front (); |
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640 |
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641 if (next->infer ()) |
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642 append_users (next); |
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643 } |
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644 |
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645 if (debug_print) |
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646 { |
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647 std::cout << "-------------------- Compiling tree --------------------\n"; |
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648 std::cout << tee.str_print_code () << std::endl; |
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649 std::cout << "-------------------- octave jit ir --------------------\n"; |
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650 for (std::list<jit_block *>::iterator iter = blocks.begin (); |
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651 iter != blocks.end (); ++iter) |
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652 (*iter)->print (std::cout, 0); |
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653 std::cout << std::endl; |
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654 } |
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655 |
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656 convert_llvm to_llvm; |
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657 function = to_llvm.convert (module, arguments, blocks, constants); |
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658 |
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659 if (debug_print) |
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660 { |
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661 std::cout << "-------------------- llvm ir --------------------"; |
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662 llvm::raw_os_ostream llvm_cout (std::cout); |
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663 function->print (llvm_cout); |
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664 std::cout << std::endl; |
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665 } |
| 14906 | 666 } |
| 667 | |
| 668 void | |
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669 jit_convert::visit_anon_fcn_handle (tree_anon_fcn_handle&) |
| 14903 | 670 { |
| 671 fail (); | |
| 672 } | |
| 673 | |
| 674 void | |
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675 jit_convert::visit_argument_list (tree_argument_list&) |
| 14903 | 676 { |
| 677 fail (); | |
| 678 } | |
| 679 | |
| 680 void | |
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681 jit_convert::visit_binary_expression (tree_binary_expression& be) |
| 14903 | 682 { |
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683 if (be.op_type () >= octave_value::num_binary_ops) |
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684 // this is the case for bool_or and bool_and |
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685 fail (); |
| 14903 | 686 |
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687 tree_expression *lhs = be.lhs (); |
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688 jit_value *lhsv = visit (lhs); |
| 14903 | 689 |
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690 tree_expression *rhs = be.rhs (); |
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691 jit_value *rhsv = visit (rhs); |
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692 |
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693 const jit_function& fn = jit_typeinfo::binary_op (be.op_type ()); |
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694 result = block->append (new jit_call (fn, lhsv, rhsv)); |
| 14903 | 695 } |
| 696 | |
| 697 void | |
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698 jit_convert::visit_break_command (tree_break_command&) |
| 14903 | 699 { |
| 700 fail (); | |
| 701 } | |
| 702 | |
| 703 void | |
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704 jit_convert::visit_colon_expression (tree_colon_expression&) |
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705 { |
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706 fail (); |
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707 } |
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708 |
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709 void |
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710 jit_convert::visit_continue_command (tree_continue_command&) |
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711 { |
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712 fail (); |
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713 } |
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714 |
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715 void |
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716 jit_convert::visit_global_command (tree_global_command&) |
| 14903 | 717 { |
| 718 fail (); | |
| 719 } | |
| 720 | |
| 721 void | |
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722 jit_convert::visit_persistent_command (tree_persistent_command&) |
| 14903 | 723 { |
| 724 fail (); | |
| 725 } | |
| 726 | |
| 727 void | |
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728 jit_convert::visit_decl_elt (tree_decl_elt&) |
| 14903 | 729 { |
| 730 fail (); | |
| 731 } | |
| 732 | |
| 733 void | |
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734 jit_convert::visit_decl_init_list (tree_decl_init_list&) |
| 14903 | 735 { |
| 736 fail (); | |
| 737 } | |
| 738 | |
| 739 void | |
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740 jit_convert::visit_simple_for_command (tree_simple_for_command&) |
| 14903 | 741 { |
| 742 fail (); | |
| 743 } | |
| 744 | |
| 745 void | |
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746 jit_convert::visit_complex_for_command (tree_complex_for_command&) |
| 14903 | 747 { |
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748 fail (); |
| 14903 | 749 } |
| 750 | |
| 751 void | |
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752 jit_convert::visit_octave_user_script (octave_user_script&) |
| 14903 | 753 { |
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754 fail (); |
| 14903 | 755 } |
| 756 | |
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757 void |
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758 jit_convert::visit_octave_user_function (octave_user_function&) |
| 14903 | 759 { |
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760 fail (); |
| 14899 | 761 } |
| 762 | |
| 14903 | 763 void |
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764 jit_convert::visit_octave_user_function_header (octave_user_function&) |
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765 { |
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766 fail (); |
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767 } |
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768 |
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769 void |
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770 jit_convert::visit_octave_user_function_trailer (octave_user_function&) |
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771 { |
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772 fail (); |
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773 } |
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774 |
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775 void |
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776 jit_convert::visit_function_def (tree_function_def&) |
| 14899 | 777 { |
| 14903 | 778 fail (); |
| 779 } | |
| 14899 | 780 |
| 14903 | 781 void |
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782 jit_convert::visit_identifier (tree_identifier& ti) |
| 14903 | 783 { |
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784 std::string name = ti.name (); |
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785 variable_map::iterator iter = variables.find (name); |
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786 jit_value *var; |
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787 if (iter == variables.end ()) |
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788 { |
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789 octave_value var_value = ti.do_lookup (); |
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790 jit_type *var_type = jit_typeinfo::type_of (var_value); |
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791 var = entry_block->append (new jit_extract_argument (var_type, name)); |
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792 constants.push_back (var); |
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793 bounds.push_back (std::make_pair (var_type, name)); |
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794 variables[name] = var; |
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795 arguments.push_back (std::make_pair (name, true)); |
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796 } |
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797 else |
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798 var = iter->second; |
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799 |
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800 const jit_function& fn = jit_typeinfo::grab (); |
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801 result = block->append (new jit_call (fn, var)); |
| 14899 | 802 } |
| 803 | |
| 804 void | |
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805 jit_convert::visit_if_clause (tree_if_clause&) |
| 14903 | 806 { |
| 807 fail (); | |
| 14899 | 808 } |
| 809 | |
| 810 void | |
|
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811 jit_convert::visit_if_command (tree_if_command&) |
| 14903 | 812 { |
| 813 fail (); | |
| 814 } | |
| 815 | |
| 816 void | |
|
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817 jit_convert::visit_if_command_list (tree_if_command_list&) |
| 14903 | 818 { |
| 819 fail (); | |
| 820 } | |
| 821 | |
| 822 void | |
|
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823 jit_convert::visit_index_expression (tree_index_expression&) |
| 14903 | 824 { |
| 825 fail (); | |
| 826 } | |
| 827 | |
| 828 void | |
|
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829 jit_convert::visit_matrix (tree_matrix&) |
| 14899 | 830 { |
| 831 fail (); | |
| 832 } | |
| 833 | |
| 834 void | |
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835 jit_convert::visit_cell (tree_cell&) |
| 14906 | 836 { |
| 837 fail (); | |
| 838 } | |
| 839 | |
| 840 void | |
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841 jit_convert::visit_multi_assignment (tree_multi_assignment&) |
| 14899 | 842 { |
|
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843 fail (); |
| 14903 | 844 } |
| 845 | |
| 846 void | |
|
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847 jit_convert::visit_no_op_command (tree_no_op_command&) |
| 14906 | 848 { |
| 849 fail (); | |
| 850 } | |
| 851 | |
| 852 void | |
|
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853 jit_convert::visit_constant (tree_constant& tc) |
| 14903 | 854 { |
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855 octave_value v = tc.rvalue1 (); |
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856 if (v.is_real_scalar () && v.is_double_type ()) |
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857 { |
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858 double dv = v.double_value (); |
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859 result = get_scalar (dv); |
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860 } |
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861 else if (v.is_range ()) |
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862 fail (); |
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863 else |
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864 fail (); |
| 14903 | 865 } |
| 14899 | 866 |
| 14903 | 867 void |
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868 jit_convert::visit_fcn_handle (tree_fcn_handle&) |
| 14903 | 869 { |
| 870 fail (); | |
| 871 } | |
| 14899 | 872 |
| 14903 | 873 void |
|
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874 jit_convert::visit_parameter_list (tree_parameter_list&) |
| 14906 | 875 { |
| 876 fail (); | |
| 877 } | |
| 878 | |
| 879 void | |
|
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880 jit_convert::visit_postfix_expression (tree_postfix_expression&) |
| 14903 | 881 { |
| 882 fail (); | |
| 883 } | |
| 14899 | 884 |
| 14903 | 885 void |
|
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886 jit_convert::visit_prefix_expression (tree_prefix_expression&) |
| 14899 | 887 { |
| 888 fail (); | |
| 889 } | |
| 890 | |
| 891 void | |
|
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892 jit_convert::visit_return_command (tree_return_command&) |
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893 { |
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894 fail (); |
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895 } |
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896 |
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897 void |
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898 jit_convert::visit_return_list (tree_return_list&) |
| 14899 | 899 { |
| 900 fail (); | |
| 901 } | |
| 902 | |
| 903 void | |
|
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904 jit_convert::visit_simple_assignment (tree_simple_assignment& tsa) |
| 14899 | 905 { |
|
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906 // resolve rhs |
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907 tree_expression *rhs = tsa.right_hand_side (); |
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908 jit_value *rhsv = visit (rhs); |
| 14899 | 909 |
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910 // resolve lhs |
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911 tree_expression *lhs = tsa.left_hand_side (); |
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912 if (! lhs->is_identifier ()) |
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913 fail (); |
| 14899 | 914 |
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915 std::string lhs_name = lhs->name (); |
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916 do_assign (lhs_name, rhsv, tsa.print_result ()); |
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917 result = rhsv; |
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918 |
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919 if (jit_instruction *instr = dynamic_cast<jit_instruction *>(rhsv)) |
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920 instr->stash_tag (lhs_name); |
| 14899 | 921 } |
| 922 | |
| 923 void | |
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924 jit_convert::visit_statement (tree_statement& stmt) |
| 14899 | 925 { |
| 926 tree_command *cmd = stmt.command (); | |
| 927 tree_expression *expr = stmt.expression (); | |
| 928 | |
| 929 if (cmd) | |
|
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930 visit (cmd); |
| 14899 | 931 else |
| 932 { | |
| 933 // stolen from tree_evaluator::visit_statement | |
| 934 bool do_bind_ans = false; | |
| 935 | |
| 936 if (expr->is_identifier ()) | |
| 937 { | |
| 938 tree_identifier *id = dynamic_cast<tree_identifier *> (expr); | |
| 939 | |
| 940 do_bind_ans = (! id->is_variable ()); | |
| 941 } | |
| 942 else | |
| 943 do_bind_ans = (! expr->is_assignment_expression ()); | |
| 944 | |
|
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945 jit_value *expr_result = visit (expr); |
| 14899 | 946 |
| 947 if (do_bind_ans) | |
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948 do_assign ("ans", expr_result, expr->print_result ()); |
| 14899 | 949 else if (expr->is_identifier () && expr->print_result ()) |
| 950 { | |
| 951 // FIXME: ugly hack, we need to come up with a way to pass | |
| 952 // nargout to visit_identifier | |
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953 const jit_function& fn = jit_typeinfo::print_value (); |
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954 jit_const_string *name = get_string (expr->name ()); |
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955 block->append (new jit_call (fn, name, expr_result)); |
| 14899 | 956 } |
| 957 } | |
| 958 } | |
| 959 | |
| 960 void | |
|
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961 jit_convert::visit_statement_list (tree_statement_list&) |
| 14906 | 962 { |
|
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963 fail (); |
| 14906 | 964 } |
| 965 | |
| 966 void | |
|
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967 jit_convert::visit_switch_case (tree_switch_case&) |
| 14906 | 968 { |
| 969 fail (); | |
| 970 } | |
| 971 | |
| 972 void | |
|
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973 jit_convert::visit_switch_case_list (tree_switch_case_list&) |
| 14899 | 974 { |
| 975 fail (); | |
| 976 } | |
| 977 | |
| 978 void | |
|
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979 jit_convert::visit_switch_command (tree_switch_command&) |
| 14906 | 980 { |
| 981 fail (); | |
| 982 } | |
| 983 | |
| 984 void | |
|
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985 jit_convert::visit_try_catch_command (tree_try_catch_command&) |
| 14899 | 986 { |
| 987 fail (); | |
| 988 } | |
| 989 | |
| 990 void | |
|
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991 jit_convert::visit_unwind_protect_command (tree_unwind_protect_command&) |
| 14899 | 992 { |
| 993 fail (); | |
| 994 } | |
| 995 | |
| 996 void | |
|
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997 jit_convert::visit_while_command (tree_while_command&) |
| 14906 | 998 { |
| 999 fail (); | |
| 1000 } | |
| 1001 | |
| 1002 void | |
|
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1003 jit_convert::visit_do_until_command (tree_do_until_command&) |
| 14899 | 1004 { |
| 1005 fail (); | |
| 1006 } | |
| 1007 | |
| 1008 void | |
|
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1009 jit_convert::do_assign (const std::string& lhs, jit_value *rhs, bool print) |
| 14899 | 1010 { |
|
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1011 variable_map::iterator iter = variables.find (lhs); |
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1012 if (iter == variables.end ()) |
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1013 arguments.push_back (std::make_pair (lhs, false)); |
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1014 else |
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1015 { |
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1016 const jit_function& fn = jit_typeinfo::release (); |
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1017 block->append (new jit_call (fn, iter->second)); |
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1018 } |
| 14906 | 1019 |
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1020 variables[lhs] = rhs; |
| 14906 | 1021 |
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1022 if (print) |
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1023 { |
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1024 const jit_function& fn = jit_typeinfo::print_value (); |
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1025 jit_const_string *name = get_string (lhs); |
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1026 block->append (new jit_call (fn, name, rhs)); |
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1027 } |
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1028 } |
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1029 |
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1030 jit_value * |
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1031 jit_convert::visit (tree& tee) |
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1032 { |
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1033 result = 0; |
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1034 tee.accept (*this); |
| 14906 | 1035 |
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1036 jit_value *ret = result; |
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1037 result = 0; |
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1038 return ret; |
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1039 } |
| 14906 | 1040 |
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1041 // -------------------- jit_convert::convert_llvm -------------------- |
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1042 llvm::Function * |
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1043 jit_convert::convert_llvm::convert (llvm::Module *module, |
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1044 const std::vector<std::pair< std::string, bool> >& args, |
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1045 const std::list<jit_block *>& blocks, |
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1046 const std::list<jit_value *>& constants) |
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1047 { |
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1048 jit_type *any = jit_typeinfo::get_any (); |
| 14899 | 1049 |
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1050 // argument is an array of octave_base_value*, or octave_base_value** |
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1051 llvm::Type *arg_type = any->to_llvm (); // this is octave_base_value* |
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1052 arg_type = arg_type->getPointerTo (); |
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1053 llvm::FunctionType *ft = llvm::FunctionType::get (llvm::Type::getVoidTy (context), |
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1054 arg_type, false); |
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1055 llvm::Function *function = llvm::Function::Create (ft, |
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1056 llvm::Function::ExternalLinkage, |
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1057 "foobar", module); |
| 14906 | 1058 |
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1059 try |
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1060 { |
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1061 llvm::BasicBlock *prelude = llvm::BasicBlock::Create (context, "prelude", |
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1062 function); |
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1063 builder.SetInsertPoint (prelude); |
| 14906 | 1064 |
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1065 llvm::Value *arg = function->arg_begin (); |
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1066 for (size_t i = 0; i < args.size (); ++i) |
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1067 { |
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1068 llvm::Value *loaded_arg = builder.CreateConstInBoundsGEP1_32 (arg, i); |
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1069 arguments[args[i].first] = loaded_arg; |
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1070 } |
| 14906 | 1071 |
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1072 // we need to generate llvm values for constants, as these don't appear in |
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1073 // a block |
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1074 for (std::list<jit_value *>::const_iterator iter = constants.begin (); |
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1075 iter != constants.end (); ++iter) |
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1076 { |
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1077 jit_value *constant = *iter; |
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1078 if (! dynamic_cast<jit_instruction *> (constant)) |
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1079 visit (constant); |
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1080 } |
| 14906 | 1081 |
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1082 std::list<jit_block *>::const_iterator biter; |
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1083 for (biter = blocks.begin (); biter != blocks.end (); ++biter) |
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1084 { |
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1085 jit_block *jblock = *biter; |
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1086 llvm::BasicBlock *block = llvm::BasicBlock::Create (context, jblock->name (), |
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1087 function); |
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1088 jblock->stash_llvm (block); |
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1089 } |
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1090 |
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1091 jit_block *first = *blocks.begin (); |
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1092 builder.CreateBr (first->to_llvm ()); |
| 14906 | 1093 |
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1094 for (biter = blocks.begin (); biter != blocks.end (); ++biter) |
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1095 visit (*biter); |
| 14906 | 1096 |
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1097 builder.CreateRetVoid (); |
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1098 } catch (const jit_fail_exception&) |
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1099 { |
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1100 function->eraseFromParent (); |
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1101 throw; |
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1102 } |
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1103 |
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1104 llvm::verifyFunction (*function); |
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1105 |
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1106 return function; |
| 14899 | 1107 } |
| 1108 | |
| 1109 void | |
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1110 jit_convert::convert_llvm::visit_const_string (jit_const_string& cs) |
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1111 { |
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1112 cs.stash_llvm (builder.CreateGlobalStringPtr (cs.value ())); |
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1113 } |
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1114 |
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1115 void |
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1116 jit_convert::convert_llvm::visit_const_scalar (jit_const_scalar& cs) |
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1117 { |
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1118 llvm::Type *dbl = llvm::Type::getDoubleTy (context); |
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1119 cs.stash_llvm (llvm::ConstantFP::get (dbl, cs.value ())); |
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1120 } |
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1121 |
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1122 void |
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1123 jit_convert::convert_llvm::visit_block (jit_block& b) |
| 14899 | 1124 { |
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1125 llvm::BasicBlock *block = b.to_llvm (); |
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1126 builder.SetInsertPoint (block); |
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1127 for (jit_block::iterator iter = b.begin (); iter != b.end (); ++iter) |
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1128 visit (*iter); |
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1129 } |
| 14903 | 1130 |
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1131 void |
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1132 jit_convert::convert_llvm::visit_break (jit_break& b) |
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1133 { |
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1134 builder.CreateBr (b.sucessor_llvm ()); |
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1135 } |
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1136 |
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1137 void |
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1138 jit_convert::convert_llvm::visit_cond_break (jit_cond_break& cb) |
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1139 { |
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1140 llvm::Value *cond = cb.cond_llvm (); |
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1141 builder.CreateCondBr (cond, cb.sucessor_llvm (0), cb.sucessor_llvm (1)); |
| 14899 | 1142 } |
| 1143 | |
|
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1144 void |
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1145 jit_convert::convert_llvm::visit_call (jit_call& call) |
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1146 { |
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1147 const jit_function::overload& ol = call.overload (); |
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1148 if (! ol.function) |
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1149 fail (); |
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1150 |
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1151 std::vector<llvm::Value *> args (call.argument_count ()); |
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1152 for (size_t i = 0; i < call.argument_count (); ++i) |
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1153 args[i] = call.argument_llvm (i); |
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1154 |
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1155 call.stash_llvm (builder.CreateCall (ol.function, args)); |
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1156 } |
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1157 |
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1158 void |
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1159 jit_convert::convert_llvm::visit_extract_argument (jit_extract_argument& extract) |
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1160 { |
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1161 const jit_function::overload& ol = extract.overload (); |
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1162 if (! ol.function) |
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1163 fail (); |
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1164 |
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1165 llvm::Value *arg = arguments[extract.tag ()]; |
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1166 arg = builder.CreateLoad (arg); |
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1167 extract.stash_llvm (builder.CreateCall (ol.function, arg)); |
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1168 } |
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1169 |
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1170 void |
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1171 jit_convert::convert_llvm::visit_store_argument (jit_store_argument& store) |
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1172 { |
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1173 llvm::Value *arg_value = store.result_llvm (); |
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1174 const jit_function::overload& ol = store.overload (); |
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1175 if (! ol.function) |
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1176 fail (); |
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1177 |
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1178 arg_value = builder.CreateCall (ol.function, arg_value); |
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1179 |
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1180 llvm::Value *arg = arguments[store.tag ()]; |
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1181 store.stash_llvm (builder.CreateStore (arg_value, arg)); |
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1182 } |
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1183 |
| 14906 | 1184 // -------------------- tree_jit -------------------- |
| 1185 | |
| 1186 tree_jit::tree_jit (void) : context (llvm::getGlobalContext ()), engine (0) | |
| 1187 { | |
| 1188 llvm::InitializeNativeTarget (); | |
| 1189 module = new llvm::Module ("octave", context); | |
| 1190 } | |
| 1191 | |
| 1192 tree_jit::~tree_jit (void) | |
|
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1193 {} |
| 14906 | 1194 |
| 1195 bool | |
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1196 tree_jit::execute (tree& cmd) |
| 14906 | 1197 { |
| 1198 if (! initialize ()) | |
| 1199 return false; | |
| 1200 | |
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1201 compiled_map::iterator iter = compiled.find (&cmd); |
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1202 jit_info *jinfo = 0; |
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1203 if (iter != compiled.end ()) |
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1204 { |
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1205 jinfo = iter->second; |
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1206 if (! jinfo->match ()) |
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1207 { |
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1208 delete jinfo; |
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1209 jinfo = 0; |
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1210 } |
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1211 } |
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1212 |
| 14906 | 1213 if (! jinfo) |
| 1214 { | |
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1215 jinfo = new jit_info (*this, cmd); |
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1216 compiled[&cmd] = jinfo; |
| 14906 | 1217 } |
| 1218 | |
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1219 return jinfo->execute (); |
| 14906 | 1220 } |
| 1221 | |
| 1222 bool | |
| 1223 tree_jit::initialize (void) | |
| 14903 | 1224 { |
| 14906 | 1225 if (engine) |
| 1226 return true; | |
| 1227 | |
| 1228 // sometimes this fails pre main | |
| 1229 engine = llvm::ExecutionEngine::createJIT (module); | |
| 1230 | |
| 1231 if (! engine) | |
| 1232 return false; | |
| 1233 | |
| 1234 module_pass_manager = new llvm::PassManager (); | |
| 1235 module_pass_manager->add (llvm::createAlwaysInlinerPass ()); | |
| 1236 | |
| 1237 pass_manager = new llvm::FunctionPassManager (module); | |
| 1238 pass_manager->add (new llvm::TargetData(*engine->getTargetData ())); | |
| 1239 pass_manager->add (llvm::createBasicAliasAnalysisPass ()); | |
| 1240 pass_manager->add (llvm::createPromoteMemoryToRegisterPass ()); | |
| 1241 pass_manager->add (llvm::createInstructionCombiningPass ()); | |
| 1242 pass_manager->add (llvm::createReassociatePass ()); | |
| 1243 pass_manager->add (llvm::createGVNPass ()); | |
| 1244 pass_manager->add (llvm::createCFGSimplificationPass ()); | |
| 1245 pass_manager->doInitialization (); | |
| 1246 | |
|
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1247 jit_typeinfo::initialize (module, engine); |
| 14906 | 1248 |
| 1249 return true; | |
| 1250 } | |
| 1251 | |
| 1252 | |
| 1253 void | |
| 1254 tree_jit::optimize (llvm::Function *fn) | |
| 1255 { | |
| 1256 module_pass_manager->run (*module); | |
| 1257 pass_manager->run (*fn); | |
| 1258 } | |
| 1259 | |
| 1260 // -------------------- jit_info -------------------- | |
|
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1261 jit_info::jit_info (tree_jit& tjit, tree& tee) |
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1262 : engine (tjit.get_engine ()) |
| 14906 | 1263 { |
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1264 llvm::Function *fun = 0; |
| 14903 | 1265 try |
| 1266 { | |
|
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1267 jit_convert conv (tjit.get_module (), tee); |
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1268 fun = conv.get_function (); |
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1269 arguments = conv.get_arguments (); |
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1270 bounds = conv.get_bounds (); |
| 14903 | 1271 } |
| 1272 catch (const jit_fail_exception&) | |
|
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1273 {} |
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1274 |
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1275 if (! fun) |
| 14903 | 1276 { |
| 1277 function = 0; | |
| 1278 return; | |
| 1279 } | |
| 1280 | |
|
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1281 tjit.optimize (fun); |
| 14906 | 1282 |
|
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1283 if (debug_print) |
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1284 { |
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1285 std::cout << "-------------------- optimized llvm ir --------------------\n"; |
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1286 llvm::raw_os_ostream llvm_cout (std::cout); |
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1287 fun->print (llvm_cout); |
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1288 std::cout << std::endl; |
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1289 } |
| 14903 | 1290 |
|
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1291 function = reinterpret_cast<jited_function>(engine->getPointerToFunction (fun)); |
| 14903 | 1292 } |
| 1293 | |
| 1294 bool | |
|
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1295 jit_info::execute (void) const |
| 14899 | 1296 { |
| 1297 if (! function) | |
| 1298 return false; | |
| 1299 | |
|
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1300 std::vector<octave_base_value *> real_arguments (arguments.size ()); |
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1301 for (size_t i = 0; i < arguments.size (); ++i) |
| 14899 | 1302 { |
|
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1303 if (arguments[i].second) |
| 14899 | 1304 { |
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1305 octave_value current = symbol_table::varval (arguments[i].first); |
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1306 octave_base_value *obv = current.internal_rep (); |
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1307 obv->grab (); |
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1308 real_arguments[i] = obv; |
| 14899 | 1309 } |
| 1310 } | |
| 1311 | |
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1312 function (&real_arguments[0]); |
| 14899 | 1313 |
|
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1314 for (size_t i = 0; i < arguments.size (); ++i) |
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1315 symbol_table::varref (arguments[i].first) = real_arguments[i]; |
|
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1316 |
| 14899 | 1317 return true; |
| 1318 } | |
| 14903 | 1319 |
| 1320 bool | |
|
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1321 jit_info::match (void) const |
| 14903 | 1322 { |
|
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1323 if (! function) |
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1324 return true; |
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1325 |
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parents:
14915
diff
changeset
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1326 for (size_t i = 0; i < bounds.size (); ++i) |
| 14903 | 1327 { |
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14917
232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1328 const std::string& arg_name = bounds[i].second; |
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232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1329 octave_value value = symbol_table::varval (arg_name); |
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232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1330 jit_type *type = jit_typeinfo::type_of (value); |
| 14906 | 1331 |
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14917
232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1332 // FIXME: Check for a parent relationship |
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232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1333 if (type != bounds[i].first) |
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232d8ab07932
Rewrite pt-jit.* adding new low level octave IR
Max Brister <max@2bass.com>
parents:
14915
diff
changeset
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1334 return false; |
| 14903 | 1335 } |
| 1336 | |
| 1337 return true; | |
| 1338 } |