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1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 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/compiler/js-intrinsic-lowering.h" | 5 #include "src/compiler/js-intrinsic-lowering.h" |
6 | 6 |
7 #include "src/compiler/access-builder.h" | 7 #include "src/compiler/access-builder.h" |
8 #include "src/compiler/js-graph.h" | 8 #include "src/compiler/js-graph.h" |
9 #include "src/compiler/node-properties.h" | 9 #include "src/compiler/node-properties.h" |
10 | 10 |
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38 default: | 38 default: |
39 break; | 39 break; |
40 } | 40 } |
41 return NoChange(); | 41 return NoChange(); |
42 } | 42 } |
43 | 43 |
44 | 44 |
45 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) { | 45 Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) { |
46 if (!FLAG_turbo_deoptimization) return NoChange(); | 46 if (!FLAG_turbo_deoptimization) return NoChange(); |
47 | 47 |
48 Node* frame_state = NodeProperties::GetFrameStateInput(node); | 48 Node* frame_state = NodeProperties::GetFrameStateInput(node, 0); |
49 DCHECK_EQ(frame_state->opcode(), IrOpcode::kFrameState); | 49 DCHECK_EQ(frame_state->opcode(), IrOpcode::kFrameState); |
50 | 50 |
51 Node* effect = NodeProperties::GetEffectInput(node); | 51 Node* effect = NodeProperties::GetEffectInput(node); |
52 Node* control = NodeProperties::GetControlInput(node); | 52 Node* control = NodeProperties::GetControlInput(node); |
53 | 53 |
54 // We are making the continuation after the call dead. To | 54 // We are making the continuation after the call dead. To |
55 // model this, we generate if (true) statement with deopt | 55 // model this, we generate if (true) statement with deopt |
56 // in the true branch and continuation in the false branch. | 56 // in the true branch and continuation in the false branch. |
57 Node* branch = | 57 Node* branch = |
58 graph()->NewNode(common()->Branch(), jsgraph()->TrueConstant(), control); | 58 graph()->NewNode(common()->Branch(), jsgraph()->TrueConstant(), control); |
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225 } | 225 } |
226 | 226 |
227 | 227 |
228 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { | 228 MachineOperatorBuilder* JSIntrinsicLowering::machine() const { |
229 return jsgraph()->machine(); | 229 return jsgraph()->machine(); |
230 } | 230 } |
231 | 231 |
232 } // namespace compiler | 232 } // namespace compiler |
233 } // namespace internal | 233 } // namespace internal |
234 } // namespace v8 | 234 } // namespace v8 |
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