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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 <limits> | 5 #include <limits> |
6 | 6 |
7 #include "src/compiler/graph.h" | 7 #include "src/compiler/graph.h" |
8 #include "src/compiler/value-numbering-reducer.h" | 8 #include "src/compiler/value-numbering-reducer.h" |
9 #include "src/test/test-utils.h" | 9 #include "src/test/test-utils.h" |
10 | 10 |
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56 static const size_t kMaxInputCount = 16; | 56 static const size_t kMaxInputCount = 16; |
57 Node* inputs[kMaxInputCount]; | 57 Node* inputs[kMaxInputCount]; |
58 for (size_t i = 0; i < arraysize(inputs); ++i) { | 58 for (size_t i = 0; i < arraysize(inputs); ++i) { |
59 Operator::Opcode opcode = static_cast<Operator::Opcode>( | 59 Operator::Opcode opcode = static_cast<Operator::Opcode>( |
60 std::numeric_limits<Operator::Opcode>::max() - i); | 60 std::numeric_limits<Operator::Opcode>::max() - i); |
61 inputs[i] = graph()->NewNode(new (zone()) SimpleOperator( | 61 inputs[i] = graph()->NewNode(new (zone()) SimpleOperator( |
62 opcode, Operator::kNoProperties, 0, 1, "Operator")); | 62 opcode, Operator::kNoProperties, 0, 1, "Operator")); |
63 } | 63 } |
64 TRACED_FORRANGE(size_t, input_count, 0, arraysize(inputs)) { | 64 TRACED_FORRANGE(size_t, input_count, 0, arraysize(inputs)) { |
65 const SimpleOperator op1(static_cast<Operator::Opcode>(input_count), | 65 const SimpleOperator op1(static_cast<Operator::Opcode>(input_count), |
66 Operator::kNoProperties, input_count, 1, "op"); | 66 Operator::kNoProperties, |
67 Node* n1 = graph()->NewNode(&op1, input_count, inputs); | 67 static_cast<int>(input_count), 1, "op"); |
| 68 Node* n1 = graph()->NewNode(&op1, static_cast<int>(input_count), inputs); |
68 Reduction r1 = Reduce(n1); | 69 Reduction r1 = Reduce(n1); |
69 EXPECT_FALSE(r1.Changed()); | 70 EXPECT_FALSE(r1.Changed()); |
70 | 71 |
71 const SimpleOperator op2(static_cast<Operator::Opcode>(input_count), | 72 const SimpleOperator op2(static_cast<Operator::Opcode>(input_count), |
72 Operator::kNoProperties, input_count, 1, "op"); | 73 Operator::kNoProperties, |
73 Node* n2 = graph()->NewNode(&op2, input_count, inputs); | 74 static_cast<int>(input_count), 1, "op"); |
| 75 Node* n2 = graph()->NewNode(&op2, static_cast<int>(input_count), inputs); |
74 Reduction r2 = Reduce(n2); | 76 Reduction r2 = Reduce(n2); |
75 EXPECT_TRUE(r2.Changed()); | 77 EXPECT_TRUE(r2.Changed()); |
76 EXPECT_EQ(n1, r2.replacement()); | 78 EXPECT_EQ(n1, r2.replacement()); |
77 } | 79 } |
78 } | 80 } |
79 | 81 |
80 | 82 |
81 TEST_F(ValueNumberingReducerTest, SubsequentReductionsYieldTheSameNode) { | 83 TEST_F(ValueNumberingReducerTest, SubsequentReductionsYieldTheSameNode) { |
82 static const size_t kMaxInputCount = 16; | 84 static const size_t kMaxInputCount = 16; |
83 Node* inputs[kMaxInputCount]; | 85 Node* inputs[kMaxInputCount]; |
84 for (size_t i = 0; i < arraysize(inputs); ++i) { | 86 for (size_t i = 0; i < arraysize(inputs); ++i) { |
85 Operator::Opcode opcode = static_cast<Operator::Opcode>( | 87 Operator::Opcode opcode = static_cast<Operator::Opcode>( |
86 std::numeric_limits<Operator::Opcode>::max() - i); | 88 std::numeric_limits<Operator::Opcode>::max() - i); |
87 inputs[i] = graph()->NewNode(new (zone()) SimpleOperator( | 89 inputs[i] = graph()->NewNode(new (zone()) SimpleOperator( |
88 opcode, Operator::kNoProperties, 0, 1, "Operator")); | 90 opcode, Operator::kNoProperties, 0, 1, "Operator")); |
89 } | 91 } |
90 TRACED_FORRANGE(size_t, input_count, 0, arraysize(inputs)) { | 92 TRACED_FORRANGE(size_t, input_count, 0, arraysize(inputs)) { |
91 const SimpleOperator op1(1, Operator::kNoProperties, input_count, 1, "op1"); | 93 const SimpleOperator op1(1, Operator::kNoProperties, |
92 Node* n = graph()->NewNode(&op1, input_count, inputs); | 94 static_cast<int>(input_count), 1, "op1"); |
| 95 Node* n = graph()->NewNode(&op1, static_cast<int>(input_count), inputs); |
93 Reduction r = Reduce(n); | 96 Reduction r = Reduce(n); |
94 EXPECT_FALSE(r.Changed()); | 97 EXPECT_FALSE(r.Changed()); |
95 | 98 |
96 r = Reduce(graph()->NewNode(&op1, input_count, inputs)); | 99 r = Reduce(graph()->NewNode(&op1, static_cast<int>(input_count), inputs)); |
97 ASSERT_TRUE(r.Changed()); | 100 ASSERT_TRUE(r.Changed()); |
98 EXPECT_EQ(n, r.replacement()); | 101 EXPECT_EQ(n, r.replacement()); |
99 | 102 |
100 r = Reduce(graph()->NewNode(&op1, input_count, inputs)); | 103 r = Reduce(graph()->NewNode(&op1, static_cast<int>(input_count), inputs)); |
101 ASSERT_TRUE(r.Changed()); | 104 ASSERT_TRUE(r.Changed()); |
102 EXPECT_EQ(n, r.replacement()); | 105 EXPECT_EQ(n, r.replacement()); |
103 } | 106 } |
104 } | 107 } |
105 | 108 |
106 } // namespace compiler | 109 } // namespace compiler |
107 } // namespace internal | 110 } // namespace internal |
108 } // namespace v8 | 111 } // namespace v8 |
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