OLD | NEW |
1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/code-factory.h" | 5 #include "src/code-factory.h" |
6 #include "src/compiler/access-builder.h" | 6 #include "src/compiler/access-builder.h" |
7 #include "src/compiler/js-graph.h" | 7 #include "src/compiler/js-graph.h" |
8 #include "src/compiler/js-typed-lowering.h" | 8 #include "src/compiler/js-typed-lowering.h" |
9 #include "src/compiler/linkage.h" | 9 #include "src/compiler/linkage.h" |
10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
(...skipping 1005 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1016 check_false->AppendInput(graph()->zone(), if_false); | 1016 check_false->AppendInput(graph()->zone(), if_false); |
1017 check_true = if_true; | 1017 check_true = if_true; |
1018 } | 1018 } |
1019 | 1019 |
1020 // Fast case, because variable is not shadowed. Perform global object load. | 1020 // Fast case, because variable is not shadowed. Perform global object load. |
1021 Unique<Name> name = Unique<Name>::CreateUninitialized(access.name()); | 1021 Unique<Name> name = Unique<Name>::CreateUninitialized(access.name()); |
1022 Node* global = graph()->NewNode( | 1022 Node* global = graph()->NewNode( |
1023 javascript()->LoadContext(0, Context::GLOBAL_OBJECT_INDEX, true), context, | 1023 javascript()->LoadContext(0, Context::GLOBAL_OBJECT_INDEX, true), context, |
1024 context, effect); | 1024 context, effect); |
1025 Node* fast = graph()->NewNode( | 1025 Node* fast = graph()->NewNode( |
1026 javascript()->LoadGlobal(name, access.feedback(), access.mode()), context, | 1026 javascript()->LoadGlobal(name, access.feedback(), access.typeof_mode()), |
1027 global, vector, context, state1, state2, global, check_true); | 1027 context, global, vector, context, state1, state2, global, check_true); |
1028 | 1028 |
1029 // Slow case, because variable potentially shadowed. Perform dynamic lookup. | 1029 // Slow case, because variable potentially shadowed. Perform dynamic lookup. |
1030 uint32_t check_bitset = DynamicGlobalAccess::kFullCheckRequired; | 1030 uint32_t check_bitset = DynamicGlobalAccess::kFullCheckRequired; |
1031 Node* slow = graph()->NewNode( | 1031 Node* slow = graph()->NewNode( |
1032 javascript()->LoadDynamicGlobal(access.name(), check_bitset, | 1032 javascript()->LoadDynamicGlobal(access.name(), check_bitset, |
1033 access.feedback(), access.mode()), | 1033 access.feedback(), access.typeof_mode()), |
1034 vector, context, context, state1, state2, effect, check_false); | 1034 vector, context, context, state1, state2, effect, check_false); |
1035 | 1035 |
1036 // Replace value, effect and control uses accordingly. | 1036 // Replace value, effect and control uses accordingly. |
1037 Node* new_control = | 1037 Node* new_control = |
1038 graph()->NewNode(common()->Merge(2), check_true, check_false); | 1038 graph()->NewNode(common()->Merge(2), check_true, check_false); |
1039 Node* new_effect = | 1039 Node* new_effect = |
1040 graph()->NewNode(common()->EffectPhi(2), fast, slow, new_control); | 1040 graph()->NewNode(common()->EffectPhi(2), fast, slow, new_control); |
1041 Node* new_value = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), fast, | 1041 Node* new_value = graph()->NewNode(common()->Phi(kMachAnyTagged, 2), fast, |
1042 slow, new_control); | 1042 slow, new_control); |
1043 ReplaceWithValue(node, new_value, new_effect, new_control); | 1043 ReplaceWithValue(node, new_value, new_effect, new_control); |
(...skipping 665 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1709 } | 1709 } |
1710 | 1710 |
1711 | 1711 |
1712 MachineOperatorBuilder* JSTypedLowering::machine() const { | 1712 MachineOperatorBuilder* JSTypedLowering::machine() const { |
1713 return jsgraph()->machine(); | 1713 return jsgraph()->machine(); |
1714 } | 1714 } |
1715 | 1715 |
1716 } // namespace compiler | 1716 } // namespace compiler |
1717 } // namespace internal | 1717 } // namespace internal |
1718 } // namespace v8 | 1718 } // namespace v8 |
OLD | NEW |