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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/control-flow-optimizer.h" | 5 #include "src/compiler/control-flow-optimizer.h" |
6 #include "src/compiler/js-operator.h" | 6 #include "src/compiler/js-operator.h" |
7 #include "src/compiler/machine-operator.h" | 7 #include "src/compiler/machine-operator.h" |
8 #include "test/unittests/compiler/graph-unittest.h" | 8 #include "test/unittests/compiler/graph-unittest.h" |
9 #include "test/unittests/compiler/node-test-utils.h" | 9 #include "test/unittests/compiler/node-test-utils.h" |
10 #include "testing/gmock-support.h" | 10 #include "testing/gmock-support.h" |
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98 | 98 |
99 | 99 |
100 TEST_F(ControlFlowOptimizerTest, CloneBranch) { | 100 TEST_F(ControlFlowOptimizerTest, CloneBranch) { |
101 Node* cond0 = Parameter(0); | 101 Node* cond0 = Parameter(0); |
102 Node* cond1 = Parameter(1); | 102 Node* cond1 = Parameter(1); |
103 Node* cond2 = Parameter(2); | 103 Node* cond2 = Parameter(2); |
104 Node* branch0 = graph()->NewNode(common()->Branch(), cond0, start()); | 104 Node* branch0 = graph()->NewNode(common()->Branch(), cond0, start()); |
105 Node* control1 = graph()->NewNode(common()->IfTrue(), branch0); | 105 Node* control1 = graph()->NewNode(common()->IfTrue(), branch0); |
106 Node* control2 = graph()->NewNode(common()->IfFalse(), branch0); | 106 Node* control2 = graph()->NewNode(common()->IfFalse(), branch0); |
107 Node* merge0 = graph()->NewNode(common()->Merge(2), control1, control2); | 107 Node* merge0 = graph()->NewNode(common()->Merge(2), control1, control2); |
108 Node* phi0 = | 108 Node* phi0 = graph()->NewNode(common()->Phi(MachineRepresentation::kBit, 2), |
109 graph()->NewNode(common()->Phi(kRepBit, 2), cond1, cond2, merge0); | 109 cond1, cond2, merge0); |
110 Node* branch = graph()->NewNode(common()->Branch(), phi0, merge0); | 110 Node* branch = graph()->NewNode(common()->Branch(), phi0, merge0); |
111 Node* if_true = graph()->NewNode(common()->IfTrue(), branch); | 111 Node* if_true = graph()->NewNode(common()->IfTrue(), branch); |
112 Node* if_false = graph()->NewNode(common()->IfFalse(), branch); | 112 Node* if_false = graph()->NewNode(common()->IfFalse(), branch); |
113 Node* merge = graph()->NewNode(common()->Merge(2), if_true, if_false); | 113 Node* merge = graph()->NewNode(common()->Merge(2), if_true, if_false); |
114 graph()->SetEnd(graph()->NewNode(common()->End(1), merge)); | 114 graph()->SetEnd(graph()->NewNode(common()->End(1), merge)); |
115 Optimize(); | 115 Optimize(); |
116 Capture<Node*> branch1_capture, branch2_capture; | 116 Capture<Node*> branch1_capture, branch2_capture; |
117 EXPECT_THAT( | 117 EXPECT_THAT( |
118 end(), | 118 end(), |
119 IsEnd(IsMerge(IsMerge(IsIfTrue(CaptureEq(&branch1_capture)), | 119 IsEnd(IsMerge(IsMerge(IsIfTrue(CaptureEq(&branch1_capture)), |
120 IsIfTrue(CaptureEq(&branch2_capture))), | 120 IsIfTrue(CaptureEq(&branch2_capture))), |
121 IsMerge(IsIfFalse(AllOf(CaptureEq(&branch1_capture), | 121 IsMerge(IsIfFalse(AllOf(CaptureEq(&branch1_capture), |
122 IsBranch(cond1, control1))), | 122 IsBranch(cond1, control1))), |
123 IsIfFalse(AllOf(CaptureEq(&branch2_capture), | 123 IsIfFalse(AllOf(CaptureEq(&branch2_capture), |
124 IsBranch(cond2, control2))))))); | 124 IsBranch(cond2, control2))))))); |
125 } | 125 } |
126 | 126 |
127 } // namespace compiler | 127 } // namespace compiler |
128 } // namespace internal | 128 } // namespace internal |
129 } // namespace v8 | 129 } // namespace v8 |
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