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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 <algorithm> | 7 #include <algorithm> |
8 #include <deque> | 8 #include <deque> |
9 #include <queue> | 9 #include <queue> |
10 #include <sstream> | 10 #include <sstream> |
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144 CheckOutput(effect, node, effect->op()->EffectOutputCount(), "effect"); | 144 CheckOutput(effect, node, effect->op()->EffectOutputCount(), "effect"); |
145 } | 145 } |
146 | 146 |
147 // Verify all control inputs are control nodes. | 147 // Verify all control inputs are control nodes. |
148 for (int i = 0; i < control_count; ++i) { | 148 for (int i = 0; i < control_count; ++i) { |
149 Node* control = NodeProperties::GetControlInput(node, i); | 149 Node* control = NodeProperties::GetControlInput(node, i); |
150 CheckOutput(control, node, control->op()->ControlOutputCount(), | 150 CheckOutput(control, node, control->op()->ControlOutputCount(), |
151 "control"); | 151 "control"); |
152 } | 152 } |
153 | 153 |
154 // Verify that no-no-throw nodes only have IfSuccess/IfException control | 154 // Verify that nodes that can throw only have IfSuccess/IfException control |
155 // uses. | 155 // uses. |
156 if (!node->op()->HasProperty(Operator::kNoThrow)) { | 156 if (!node->op()->HasProperty(Operator::kNoThrow)) { |
157 int count_success = 0, count_exception = 0; | 157 int count_success = 0, count_exception = 0; |
158 for (Edge edge : node->use_edges()) { | 158 for (Edge edge : node->use_edges()) { |
159 if (!NodeProperties::IsControlEdge(edge)) { | 159 if (!NodeProperties::IsControlEdge(edge)) { |
160 continue; | 160 continue; |
161 } | 161 } |
162 Node* control_use = edge.from(); | 162 Node* control_use = edge.from(); |
163 if (control_use->opcode() != IrOpcode::kIfSuccess && | 163 if (control_use->opcode() != IrOpcode::kIfSuccess && |
164 control_use->opcode() != IrOpcode::kIfException) { | 164 control_use->opcode() != IrOpcode::kIfException) { |
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1678 replacement->op()->EffectOutputCount() > 0); | 1678 replacement->op()->EffectOutputCount() > 0); |
1679 DCHECK(!NodeProperties::IsFrameStateEdge(edge) || | 1679 DCHECK(!NodeProperties::IsFrameStateEdge(edge) || |
1680 replacement->opcode() == IrOpcode::kFrameState); | 1680 replacement->opcode() == IrOpcode::kFrameState); |
1681 } | 1681 } |
1682 | 1682 |
1683 #endif // DEBUG | 1683 #endif // DEBUG |
1684 | 1684 |
1685 } // namespace compiler | 1685 } // namespace compiler |
1686 } // namespace internal | 1686 } // namespace internal |
1687 } // namespace v8 | 1687 } // namespace v8 |
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