Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "src/compiler/js-intrinsic-lowering.h" |
| 6 | |
| 7 | #include <stack> |
| 8 | |
| 9 | #include "src/code-factory.h" |
| 10 | #include "src/compiler/access-builder.h" |
| 11 | #include "src/compiler/js-graph.h" |
| 12 | #include "src/compiler/linkage.h" |
| 13 | #include "src/compiler/node-matchers.h" |
| 14 | #include "src/compiler/node-properties.h" |
| 15 | #include "src/compiler/operator-properties.h" |
| 16 | #include "src/counters.h" |
| 17 | #include "src/objects-inl.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 18 | |
| 19 | namespace v8 { |
| 20 | namespace internal { |
| 21 | namespace compiler { |
| 22 | |
| 23 | JSIntrinsicLowering::JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph, |
| 24 | DeoptimizationMode mode) |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 25 | : AdvancedReducer(editor), jsgraph_(jsgraph), mode_(mode) {} |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 26 | |
| 27 | Reduction JSIntrinsicLowering::Reduce(Node* node) { |
| 28 | if (node->opcode() != IrOpcode::kJSCallRuntime) return NoChange(); |
| 29 | const Runtime::Function* const f = |
| 30 | Runtime::FunctionForId(CallRuntimeParametersOf(node->op()).id()); |
| 31 | if (f->intrinsic_type != Runtime::IntrinsicType::INLINE) return NoChange(); |
| 32 | switch (f->function_id) { |
| 33 | case Runtime::kInlineConstructDouble: |
| 34 | return ReduceConstructDouble(node); |
| 35 | case Runtime::kInlineCreateIterResultObject: |
| 36 | return ReduceCreateIterResultObject(node); |
| 37 | case Runtime::kInlineDeoptimizeNow: |
| 38 | return ReduceDeoptimizeNow(node); |
| 39 | case Runtime::kInlineDoubleHi: |
| 40 | return ReduceDoubleHi(node); |
| 41 | case Runtime::kInlineDoubleLo: |
| 42 | return ReduceDoubleLo(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | case Runtime::kInlineIsArray: |
| 44 | return ReduceIsInstanceType(node, JS_ARRAY_TYPE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 45 | case Runtime::kInlineIsTypedArray: |
| 46 | return ReduceIsInstanceType(node, JS_TYPED_ARRAY_TYPE); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 47 | case Runtime::kInlineIsRegExp: |
| 48 | return ReduceIsInstanceType(node, JS_REGEXP_TYPE); |
| 49 | case Runtime::kInlineIsJSReceiver: |
| 50 | return ReduceIsJSReceiver(node); |
| 51 | case Runtime::kInlineIsSmi: |
| 52 | return ReduceIsSmi(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 53 | case Runtime::kInlineValueOf: |
| 54 | return ReduceValueOf(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 55 | case Runtime::kInlineFixedArrayGet: |
| 56 | return ReduceFixedArrayGet(node); |
| 57 | case Runtime::kInlineFixedArraySet: |
| 58 | return ReduceFixedArraySet(node); |
| 59 | case Runtime::kInlineRegExpConstructResult: |
| 60 | return ReduceRegExpConstructResult(node); |
| 61 | case Runtime::kInlineRegExpExec: |
| 62 | return ReduceRegExpExec(node); |
| 63 | case Runtime::kInlineRegExpFlags: |
| 64 | return ReduceRegExpFlags(node); |
| 65 | case Runtime::kInlineRegExpSource: |
| 66 | return ReduceRegExpSource(node); |
| 67 | case Runtime::kInlineSubString: |
| 68 | return ReduceSubString(node); |
| 69 | case Runtime::kInlineToInteger: |
| 70 | return ReduceToInteger(node); |
| 71 | case Runtime::kInlineToLength: |
| 72 | return ReduceToLength(node); |
| 73 | case Runtime::kInlineToName: |
| 74 | return ReduceToName(node); |
| 75 | case Runtime::kInlineToNumber: |
| 76 | return ReduceToNumber(node); |
| 77 | case Runtime::kInlineToObject: |
| 78 | return ReduceToObject(node); |
| 79 | case Runtime::kInlineToPrimitive: |
| 80 | return ReduceToPrimitive(node); |
| 81 | case Runtime::kInlineToString: |
| 82 | return ReduceToString(node); |
| 83 | case Runtime::kInlineCall: |
| 84 | return ReduceCall(node); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 85 | case Runtime::kInlineNewObject: |
| 86 | return ReduceNewObject(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 87 | case Runtime::kInlineGetSuperConstructor: |
| 88 | return ReduceGetSuperConstructor(node); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 89 | case Runtime::kInlineGetOrdinaryHasInstance: |
| 90 | return ReduceGetOrdinaryHasInstance(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 91 | default: |
| 92 | break; |
| 93 | } |
| 94 | return NoChange(); |
| 95 | } |
| 96 | |
| 97 | |
| 98 | Reduction JSIntrinsicLowering::ReduceCreateIterResultObject(Node* node) { |
| 99 | Node* const value = NodeProperties::GetValueInput(node, 0); |
| 100 | Node* const done = NodeProperties::GetValueInput(node, 1); |
| 101 | Node* const context = NodeProperties::GetContextInput(node); |
| 102 | Node* const effect = NodeProperties::GetEffectInput(node); |
| 103 | return Change(node, javascript()->CreateIterResultObject(), value, done, |
| 104 | context, effect); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | Reduction JSIntrinsicLowering::ReduceConstructDouble(Node* node) { |
| 109 | Node* high = NodeProperties::GetValueInput(node, 0); |
| 110 | Node* low = NodeProperties::GetValueInput(node, 1); |
| 111 | Node* value = |
| 112 | graph()->NewNode(machine()->Float64InsertHighWord32(), |
| 113 | graph()->NewNode(machine()->Float64InsertLowWord32(), |
| 114 | jsgraph()->Constant(0), low), |
| 115 | high); |
| 116 | ReplaceWithValue(node, value); |
| 117 | return Replace(value); |
| 118 | } |
| 119 | |
| 120 | |
| 121 | Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) { |
| 122 | if (mode() != kDeoptimizationEnabled) return NoChange(); |
| 123 | Node* const frame_state = NodeProperties::GetFrameStateInput(node, 0); |
| 124 | Node* const effect = NodeProperties::GetEffectInput(node); |
| 125 | Node* const control = NodeProperties::GetControlInput(node); |
| 126 | |
| 127 | // TODO(bmeurer): Move MergeControlToEnd() to the AdvancedReducer. |
| 128 | Node* deoptimize = |
| 129 | graph()->NewNode(common()->Deoptimize(DeoptimizeKind::kEager), |
| 130 | frame_state, effect, control); |
| 131 | NodeProperties::MergeControlToEnd(graph(), common(), deoptimize); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 132 | Revisit(graph()->end()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 133 | |
| 134 | node->TrimInputCount(0); |
| 135 | NodeProperties::ChangeOp(node, common()->Dead()); |
| 136 | return Changed(node); |
| 137 | } |
| 138 | |
| 139 | |
| 140 | Reduction JSIntrinsicLowering::ReduceDoubleHi(Node* node) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 141 | // Tell the compiler to assume number input. |
| 142 | Node* renamed = graph()->NewNode(common()->Guard(Type::Number()), |
| 143 | node->InputAt(0), graph()->start()); |
| 144 | node->ReplaceInput(0, renamed); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 145 | return Change(node, machine()->Float64ExtractHighWord32()); |
| 146 | } |
| 147 | |
| 148 | |
| 149 | Reduction JSIntrinsicLowering::ReduceDoubleLo(Node* node) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 150 | // Tell the compiler to assume number input. |
| 151 | Node* renamed = graph()->NewNode(common()->Guard(Type::Number()), |
| 152 | node->InputAt(0), graph()->start()); |
| 153 | node->ReplaceInput(0, renamed); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 154 | return Change(node, machine()->Float64ExtractLowWord32()); |
| 155 | } |
| 156 | |
| 157 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 158 | Reduction JSIntrinsicLowering::ReduceIsInstanceType( |
| 159 | Node* node, InstanceType instance_type) { |
| 160 | // if (%_IsSmi(value)) { |
| 161 | // return false; |
| 162 | // } else { |
| 163 | // return %_GetInstanceType(%_GetMap(value)) == instance_type; |
| 164 | // } |
| 165 | Node* value = NodeProperties::GetValueInput(node, 0); |
| 166 | Node* effect = NodeProperties::GetEffectInput(node); |
| 167 | Node* control = NodeProperties::GetControlInput(node); |
| 168 | |
| 169 | Node* check = graph()->NewNode(simplified()->ObjectIsSmi(), value); |
| 170 | Node* branch = graph()->NewNode(common()->Branch(), check, control); |
| 171 | |
| 172 | Node* if_true = graph()->NewNode(common()->IfTrue(), branch); |
| 173 | Node* etrue = effect; |
| 174 | Node* vtrue = jsgraph()->FalseConstant(); |
| 175 | |
| 176 | Node* if_false = graph()->NewNode(common()->IfFalse(), branch); |
| 177 | Node* efalse = graph()->NewNode( |
| 178 | simplified()->LoadField(AccessBuilder::ForMapInstanceType()), |
| 179 | graph()->NewNode(simplified()->LoadField(AccessBuilder::ForMap()), value, |
| 180 | effect, if_false), |
| 181 | effect, if_false); |
| 182 | Node* vfalse = graph()->NewNode(machine()->Word32Equal(), efalse, |
| 183 | jsgraph()->Int32Constant(instance_type)); |
| 184 | |
| 185 | Node* merge = graph()->NewNode(common()->Merge(2), if_true, if_false); |
| 186 | |
| 187 | // Replace all effect uses of {node} with the {ephi}. |
| 188 | Node* ephi = graph()->NewNode(common()->EffectPhi(2), etrue, efalse, merge); |
| 189 | ReplaceWithValue(node, node, ephi); |
| 190 | |
| 191 | // Turn the {node} into a Phi. |
| 192 | return Change(node, common()->Phi(MachineRepresentation::kTagged, 2), vtrue, |
| 193 | vfalse, merge); |
| 194 | } |
| 195 | |
| 196 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 197 | Reduction JSIntrinsicLowering::ReduceIsJSReceiver(Node* node) { |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 198 | return Change(node, simplified()->ObjectIsReceiver()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | |
| 202 | Reduction JSIntrinsicLowering::ReduceIsSmi(Node* node) { |
| 203 | return Change(node, simplified()->ObjectIsSmi()); |
| 204 | } |
| 205 | |
| 206 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 207 | Reduction JSIntrinsicLowering::ReduceValueOf(Node* node) { |
| 208 | // if (%_IsSmi(value)) { |
| 209 | // return value; |
| 210 | // } else if (%_GetInstanceType(%_GetMap(value)) == JS_VALUE_TYPE) { |
| 211 | // return %_GetValue(value); |
| 212 | // } else { |
| 213 | // return value; |
| 214 | // } |
| 215 | const Operator* const merge_op = common()->Merge(2); |
| 216 | const Operator* const ephi_op = common()->EffectPhi(2); |
| 217 | const Operator* const phi_op = |
| 218 | common()->Phi(MachineRepresentation::kTagged, 2); |
| 219 | |
| 220 | Node* value = NodeProperties::GetValueInput(node, 0); |
| 221 | Node* effect = NodeProperties::GetEffectInput(node); |
| 222 | Node* control = NodeProperties::GetControlInput(node); |
| 223 | |
| 224 | Node* check0 = graph()->NewNode(simplified()->ObjectIsSmi(), value); |
| 225 | Node* branch0 = graph()->NewNode(common()->Branch(), check0, control); |
| 226 | |
| 227 | Node* if_true0 = graph()->NewNode(common()->IfTrue(), branch0); |
| 228 | Node* etrue0 = effect; |
| 229 | Node* vtrue0 = value; |
| 230 | |
| 231 | Node* if_false0 = graph()->NewNode(common()->IfFalse(), branch0); |
| 232 | Node* efalse0; |
| 233 | Node* vfalse0; |
| 234 | { |
| 235 | Node* check1 = graph()->NewNode( |
| 236 | machine()->Word32Equal(), |
| 237 | graph()->NewNode( |
| 238 | simplified()->LoadField(AccessBuilder::ForMapInstanceType()), |
| 239 | graph()->NewNode(simplified()->LoadField(AccessBuilder::ForMap()), |
| 240 | value, effect, if_false0), |
| 241 | effect, if_false0), |
| 242 | jsgraph()->Int32Constant(JS_VALUE_TYPE)); |
| 243 | Node* branch1 = graph()->NewNode(common()->Branch(), check1, if_false0); |
| 244 | |
| 245 | Node* if_true1 = graph()->NewNode(common()->IfTrue(), branch1); |
| 246 | Node* etrue1 = |
| 247 | graph()->NewNode(simplified()->LoadField(AccessBuilder::ForValue()), |
| 248 | value, effect, if_true1); |
| 249 | Node* vtrue1 = etrue1; |
| 250 | |
| 251 | Node* if_false1 = graph()->NewNode(common()->IfFalse(), branch1); |
| 252 | Node* efalse1 = effect; |
| 253 | Node* vfalse1 = value; |
| 254 | |
| 255 | Node* merge1 = graph()->NewNode(merge_op, if_true1, if_false1); |
| 256 | efalse0 = graph()->NewNode(ephi_op, etrue1, efalse1, merge1); |
| 257 | vfalse0 = graph()->NewNode(phi_op, vtrue1, vfalse1, merge1); |
| 258 | } |
| 259 | |
| 260 | Node* merge0 = graph()->NewNode(merge_op, if_true0, if_false0); |
| 261 | |
| 262 | // Replace all effect uses of {node} with the {ephi0}. |
| 263 | Node* ephi0 = graph()->NewNode(ephi_op, etrue0, efalse0, merge0); |
| 264 | ReplaceWithValue(node, node, ephi0); |
| 265 | |
| 266 | // Turn the {node} into a Phi. |
| 267 | return Change(node, phi_op, vtrue0, vfalse0, merge0); |
| 268 | } |
| 269 | |
| 270 | |
| 271 | Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op) { |
| 272 | // Replace all effect uses of {node} with the effect dependency. |
| 273 | RelaxEffectsAndControls(node); |
| 274 | // Remove the inputs corresponding to context, effect and control. |
| 275 | NodeProperties::RemoveNonValueInputs(node); |
| 276 | // Finally update the operator to the new one. |
| 277 | NodeProperties::ChangeOp(node, op); |
| 278 | return Changed(node); |
| 279 | } |
| 280 | |
| 281 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 282 | Reduction JSIntrinsicLowering::ReduceFixedArrayGet(Node* node) { |
| 283 | Node* base = node->InputAt(0); |
| 284 | Node* index = node->InputAt(1); |
| 285 | Node* effect = NodeProperties::GetEffectInput(node); |
| 286 | Node* control = NodeProperties::GetControlInput(node); |
| 287 | return Change( |
| 288 | node, simplified()->LoadElement(AccessBuilder::ForFixedArrayElement()), |
| 289 | base, index, effect, control); |
| 290 | } |
| 291 | |
| 292 | |
| 293 | Reduction JSIntrinsicLowering::ReduceFixedArraySet(Node* node) { |
| 294 | Node* base = node->InputAt(0); |
| 295 | Node* index = node->InputAt(1); |
| 296 | Node* value = node->InputAt(2); |
| 297 | Node* effect = NodeProperties::GetEffectInput(node); |
| 298 | Node* control = NodeProperties::GetControlInput(node); |
| 299 | Node* store = (graph()->NewNode( |
| 300 | simplified()->StoreElement(AccessBuilder::ForFixedArrayElement()), base, |
| 301 | index, value, effect, control)); |
| 302 | ReplaceWithValue(node, value, store); |
| 303 | return Changed(store); |
| 304 | } |
| 305 | |
| 306 | |
| 307 | Reduction JSIntrinsicLowering::ReduceRegExpConstructResult(Node* node) { |
| 308 | // TODO(bmeurer): Introduce JSCreateRegExpResult? |
| 309 | return Change(node, CodeFactory::RegExpConstructResult(isolate()), 0); |
| 310 | } |
| 311 | |
| 312 | |
| 313 | Reduction JSIntrinsicLowering::ReduceRegExpExec(Node* node) { |
| 314 | return Change(node, CodeFactory::RegExpExec(isolate()), 4); |
| 315 | } |
| 316 | |
| 317 | |
| 318 | Reduction JSIntrinsicLowering::ReduceRegExpFlags(Node* node) { |
| 319 | Node* const receiver = NodeProperties::GetValueInput(node, 0); |
| 320 | Node* const effect = NodeProperties::GetEffectInput(node); |
| 321 | Node* const control = NodeProperties::GetControlInput(node); |
| 322 | Operator const* const op = |
| 323 | simplified()->LoadField(AccessBuilder::ForJSRegExpFlags()); |
| 324 | return Change(node, op, receiver, effect, control); |
| 325 | } |
| 326 | |
| 327 | |
| 328 | Reduction JSIntrinsicLowering::ReduceRegExpSource(Node* node) { |
| 329 | Node* const receiver = NodeProperties::GetValueInput(node, 0); |
| 330 | Node* const effect = NodeProperties::GetEffectInput(node); |
| 331 | Node* const control = NodeProperties::GetControlInput(node); |
| 332 | Operator const* const op = |
| 333 | simplified()->LoadField(AccessBuilder::ForJSRegExpSource()); |
| 334 | return Change(node, op, receiver, effect, control); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | Reduction JSIntrinsicLowering::ReduceSubString(Node* node) { |
| 339 | return Change(node, CodeFactory::SubString(isolate()), 3); |
| 340 | } |
| 341 | |
| 342 | |
| 343 | Reduction JSIntrinsicLowering::ReduceToInteger(Node* node) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 344 | NodeProperties::ChangeOp(node, javascript()->ToInteger()); |
| 345 | return Changed(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 346 | } |
| 347 | |
| 348 | |
| 349 | Reduction JSIntrinsicLowering::ReduceToName(Node* node) { |
| 350 | NodeProperties::ChangeOp(node, javascript()->ToName()); |
| 351 | return Changed(node); |
| 352 | } |
| 353 | |
| 354 | |
| 355 | Reduction JSIntrinsicLowering::ReduceToNumber(Node* node) { |
| 356 | NodeProperties::ChangeOp(node, javascript()->ToNumber()); |
| 357 | return Changed(node); |
| 358 | } |
| 359 | |
| 360 | |
| 361 | Reduction JSIntrinsicLowering::ReduceToLength(Node* node) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 362 | NodeProperties::ChangeOp(node, javascript()->ToLength()); |
| 363 | return Changed(node); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | |
| 367 | Reduction JSIntrinsicLowering::ReduceToObject(Node* node) { |
| 368 | NodeProperties::ChangeOp(node, javascript()->ToObject()); |
| 369 | return Changed(node); |
| 370 | } |
| 371 | |
| 372 | |
| 373 | Reduction JSIntrinsicLowering::ReduceToPrimitive(Node* node) { |
| 374 | Node* value = NodeProperties::GetValueInput(node, 0); |
| 375 | Type* value_type = NodeProperties::GetType(value); |
| 376 | if (value_type->Is(Type::Primitive())) { |
| 377 | ReplaceWithValue(node, value); |
| 378 | return Replace(value); |
| 379 | } |
| 380 | return NoChange(); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | Reduction JSIntrinsicLowering::ReduceToString(Node* node) { |
| 385 | NodeProperties::ChangeOp(node, javascript()->ToString()); |
| 386 | return Changed(node); |
| 387 | } |
| 388 | |
| 389 | |
| 390 | Reduction JSIntrinsicLowering::ReduceCall(Node* node) { |
| 391 | size_t const arity = CallRuntimeParametersOf(node->op()).arity(); |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 392 | NodeProperties::ChangeOp(node, |
| 393 | javascript()->CallFunction(arity, VectorSlotPair(), |
| 394 | ConvertReceiverMode::kAny, |
| 395 | TailCallMode::kDisallow)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 396 | return Changed(node); |
| 397 | } |
| 398 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 399 | Reduction JSIntrinsicLowering::ReduceNewObject(Node* node) { |
| 400 | Node* constructor = NodeProperties::GetValueInput(node, 0); |
| 401 | Node* new_target = NodeProperties::GetValueInput(node, 1); |
| 402 | Node* context = NodeProperties::GetContextInput(node); |
| 403 | Node* effect = NodeProperties::GetEffectInput(node); |
| 404 | Node* frame_state = NodeProperties::GetFrameStateInput(node, 0); |
| 405 | Node* value = graph()->NewNode(javascript()->Create(), constructor, |
| 406 | new_target, context, frame_state, effect); |
| 407 | ReplaceWithValue(node, value, value); |
| 408 | return Replace(value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 411 | Reduction JSIntrinsicLowering::ReduceGetSuperConstructor(Node* node) { |
| 412 | Node* active_function = NodeProperties::GetValueInput(node, 0); |
| 413 | Node* effect = NodeProperties::GetEffectInput(node); |
| 414 | Node* control = NodeProperties::GetControlInput(node); |
| 415 | Node* active_function_map = effect = |
| 416 | graph()->NewNode(simplified()->LoadField(AccessBuilder::ForMap()), |
| 417 | active_function, effect, control); |
| 418 | return Change(node, simplified()->LoadField(AccessBuilder::ForMapPrototype()), |
| 419 | active_function_map, effect, control); |
| 420 | } |
| 421 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 422 | Reduction JSIntrinsicLowering::ReduceGetOrdinaryHasInstance(Node* node) { |
| 423 | Node* effect = NodeProperties::GetEffectInput(node); |
| 424 | Node* context = NodeProperties::GetContextInput(node); |
| 425 | Node* native_context = effect = graph()->NewNode( |
| 426 | javascript()->LoadContext(0, Context::NATIVE_CONTEXT_INDEX, true), |
| 427 | context, context, effect); |
| 428 | return Change(node, javascript()->LoadContext( |
| 429 | 0, Context::ORDINARY_HAS_INSTANCE_INDEX, true), |
| 430 | native_context, context, effect); |
| 431 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 432 | |
| 433 | Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a, |
| 434 | Node* b) { |
| 435 | RelaxControls(node); |
| 436 | node->ReplaceInput(0, a); |
| 437 | node->ReplaceInput(1, b); |
| 438 | node->TrimInputCount(2); |
| 439 | NodeProperties::ChangeOp(node, op); |
| 440 | return Changed(node); |
| 441 | } |
| 442 | |
| 443 | |
| 444 | Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a, |
| 445 | Node* b, Node* c) { |
| 446 | RelaxControls(node); |
| 447 | node->ReplaceInput(0, a); |
| 448 | node->ReplaceInput(1, b); |
| 449 | node->ReplaceInput(2, c); |
| 450 | node->TrimInputCount(3); |
| 451 | NodeProperties::ChangeOp(node, op); |
| 452 | return Changed(node); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a, |
| 457 | Node* b, Node* c, Node* d) { |
| 458 | RelaxControls(node); |
| 459 | node->ReplaceInput(0, a); |
| 460 | node->ReplaceInput(1, b); |
| 461 | node->ReplaceInput(2, c); |
| 462 | node->ReplaceInput(3, d); |
| 463 | node->TrimInputCount(4); |
| 464 | NodeProperties::ChangeOp(node, op); |
| 465 | return Changed(node); |
| 466 | } |
| 467 | |
| 468 | |
| 469 | Reduction JSIntrinsicLowering::ChangeToUndefined(Node* node, Node* effect) { |
| 470 | ReplaceWithValue(node, jsgraph()->UndefinedConstant(), effect); |
| 471 | return Changed(node); |
| 472 | } |
| 473 | |
| 474 | |
| 475 | Reduction JSIntrinsicLowering::Change(Node* node, Callable const& callable, |
| 476 | int stack_parameter_count) { |
| 477 | CallDescriptor const* const desc = Linkage::GetStubCallDescriptor( |
| 478 | isolate(), graph()->zone(), callable.descriptor(), stack_parameter_count, |
| 479 | CallDescriptor::kNeedsFrameState, node->op()->properties()); |
| 480 | node->InsertInput(graph()->zone(), 0, |
| 481 | jsgraph()->HeapConstant(callable.code())); |
| 482 | NodeProperties::ChangeOp(node, common()->Call(desc)); |
| 483 | return Changed(node); |
| 484 | } |
| 485 | |
| 486 | |
| 487 | Graph* JSIntrinsicLowering::graph() const { return jsgraph()->graph(); } |
| 488 | |
| 489 | |
| 490 | Isolate* JSIntrinsicLowering::isolate() const { return jsgraph()->isolate(); } |
| 491 | |
| 492 | |
| 493 | CommonOperatorBuilder* JSIntrinsicLowering::common() const { |
| 494 | return jsgraph()->common(); |
| 495 | } |
| 496 | |
| 497 | JSOperatorBuilder* JSIntrinsicLowering::javascript() const { |
| 498 | return jsgraph_->javascript(); |
| 499 | } |
| 500 | |
| 501 | |
| 502 | MachineOperatorBuilder* JSIntrinsicLowering::machine() const { |
| 503 | return jsgraph()->machine(); |
| 504 | } |
| 505 | |
| 506 | |
| 507 | SimplifiedOperatorBuilder* JSIntrinsicLowering::simplified() const { |
| 508 | return jsgraph()->simplified(); |
| 509 | } |
| 510 | |
| 511 | } // namespace compiler |
| 512 | } // namespace internal |
| 513 | } // namespace v8 |