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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/compiler/verifier.h" | 5 #include "src/compiler/verifier.h" |
6 | 6 |
7 #include <deque> | 7 #include <deque> |
8 #include <queue> | 8 #include <queue> |
9 | 9 |
10 #include "src/compiler/generic-algorithm.h" | 10 #include "src/compiler/generic-algorithm.h" |
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69 int control_count = OperatorProperties::GetControlInputCount(node->op()); | 69 int control_count = OperatorProperties::GetControlInputCount(node->op()); |
70 | 70 |
71 // Verify number of inputs matches up. | 71 // Verify number of inputs matches up. |
72 int input_count = value_count + context_count + frame_state_count + | 72 int input_count = value_count + context_count + frame_state_count + |
73 effect_count + control_count; | 73 effect_count + control_count; |
74 CHECK_EQ(input_count, node->InputCount()); | 74 CHECK_EQ(input_count, node->InputCount()); |
75 | 75 |
76 // Verify that frame state has been inserted for the nodes that need it. | 76 // Verify that frame state has been inserted for the nodes that need it. |
77 if (OperatorProperties::HasFrameStateInput(node->op())) { | 77 if (OperatorProperties::HasFrameStateInput(node->op())) { |
78 Node* frame_state = NodeProperties::GetFrameStateInput(node); | 78 Node* frame_state = NodeProperties::GetFrameStateInput(node); |
79 CHECK(frame_state->opcode() == IrOpcode::kFrameState); | 79 CHECK(frame_state->opcode() == IrOpcode::kFrameState || |
| 80 // kFrameState uses undefined as a sentinel. |
| 81 (node->opcode() == IrOpcode::kFrameState && |
| 82 frame_state->opcode() == IrOpcode::kHeapConstant)); |
80 CHECK(IsDefUseChainLinkPresent(frame_state, node)); | 83 CHECK(IsDefUseChainLinkPresent(frame_state, node)); |
81 CHECK(IsUseDefChainLinkPresent(frame_state, node)); | 84 CHECK(IsUseDefChainLinkPresent(frame_state, node)); |
82 } | 85 } |
83 | 86 |
84 // Verify all value inputs actually produce a value. | 87 // Verify all value inputs actually produce a value. |
85 for (int i = 0; i < value_count; ++i) { | 88 for (int i = 0; i < value_count; ++i) { |
86 Node* value = NodeProperties::GetValueInput(node, i); | 89 Node* value = NodeProperties::GetValueInput(node, i); |
87 CHECK(OperatorProperties::HasValueOutput(value->op())); | 90 CHECK(OperatorProperties::HasValueOutput(value->op())); |
88 CHECK(IsDefUseChainLinkPresent(value, node)); | 91 CHECK(IsDefUseChainLinkPresent(value, node)); |
89 CHECK(IsUseDefChainLinkPresent(value, node)); | 92 CHECK(IsUseDefChainLinkPresent(value, node)); |
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442 // Check inputs for all nodes in the block. | 445 // Check inputs for all nodes in the block. |
443 for (size_t i = 0; i < block->nodes_.size(); i++) { | 446 for (size_t i = 0; i < block->nodes_.size(); i++) { |
444 Node* node = block->nodes_[i]; | 447 Node* node = block->nodes_[i]; |
445 CheckInputsDominate(schedule, block, node, static_cast<int>(i) - 1); | 448 CheckInputsDominate(schedule, block, node, static_cast<int>(i) - 1); |
446 } | 449 } |
447 } | 450 } |
448 } | 451 } |
449 } | 452 } |
450 } | 453 } |
451 } // namespace v8::internal::compiler | 454 } // namespace v8::internal::compiler |
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