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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/interpreter/bytecode-array-builder.h" | 7 #include "src/interpreter/bytecode-array-builder.h" |
8 #include "src/interpreter/bytecode-array-iterator.h" | 8 #include "src/interpreter/bytecode-array-iterator.h" |
9 #include "test/unittests/test-utils.h" | 9 #include "test/unittests/test-utils.h" |
10 | 10 |
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30 Handle<HeapObject> heap_num_0 = factory->NewHeapNumber(2.718); | 30 Handle<HeapObject> heap_num_0 = factory->NewHeapNumber(2.718); |
31 Handle<HeapObject> heap_num_1 = factory->NewHeapNumber(2147483647); | 31 Handle<HeapObject> heap_num_1 = factory->NewHeapNumber(2147483647); |
32 Smi* zero = Smi::FromInt(0); | 32 Smi* zero = Smi::FromInt(0); |
33 Smi* smi_0 = Smi::FromInt(64); | 33 Smi* smi_0 = Smi::FromInt(64); |
34 Smi* smi_1 = Smi::FromInt(-65536); | 34 Smi* smi_1 = Smi::FromInt(-65536); |
35 Register reg_0(0); | 35 Register reg_0(0); |
36 Register reg_1(1); | 36 Register reg_1(1); |
37 Register reg_2 = Register::FromParameterIndex(2, builder.parameter_count()); | 37 Register reg_2 = Register::FromParameterIndex(2, builder.parameter_count()); |
38 int feedback_slot = 97; | 38 int feedback_slot = 97; |
39 | 39 |
| 40 // TODO(rmcilroy): Add a test for a bytecode with a short operand when |
| 41 // the CallRuntime bytecode is landed. |
| 42 |
40 builder.LoadLiteral(heap_num_0) | 43 builder.LoadLiteral(heap_num_0) |
41 .LoadLiteral(heap_num_1) | 44 .LoadLiteral(heap_num_1) |
42 .LoadLiteral(zero) | 45 .LoadLiteral(zero) |
43 .LoadLiteral(smi_0) | 46 .LoadLiteral(smi_0) |
44 .LoadLiteral(smi_1) | 47 .LoadLiteral(smi_1) |
45 .LoadAccumulatorWithRegister(reg_0) | 48 .LoadAccumulatorWithRegister(reg_0) |
46 .LoadNamedProperty(reg_1, feedback_slot, LanguageMode::SLOPPY) | 49 .LoadNamedProperty(reg_1, feedback_slot, LanguageMode::SLOPPY) |
47 .StoreAccumulatorInRegister(reg_2) | 50 .StoreAccumulatorInRegister(reg_2) |
48 .CallRuntime(Runtime::kLoadIC_Miss, reg_0, 1) | |
49 .Return(); | 51 .Return(); |
50 | 52 |
51 // Test iterator sees the expected output from the builder. | 53 // Test iterator sees the expected output from the builder. |
52 BytecodeArrayIterator iterator(builder.ToBytecodeArray()); | 54 BytecodeArrayIterator iterator(builder.ToBytecodeArray()); |
53 CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant); | 55 CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant); |
54 CHECK(iterator.GetConstantForIndexOperand(0).is_identical_to(heap_num_0)); | 56 CHECK(iterator.GetConstantForIndexOperand(0).is_identical_to(heap_num_0)); |
55 CHECK(!iterator.done()); | 57 CHECK(!iterator.done()); |
56 iterator.Advance(); | 58 iterator.Advance(); |
57 | 59 |
58 CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant); | 60 CHECK_EQ(iterator.current_bytecode(), Bytecode::kLdaConstant); |
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83 CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_1.index()); | 85 CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_1.index()); |
84 CHECK_EQ(iterator.GetIndexOperand(1), feedback_slot); | 86 CHECK_EQ(iterator.GetIndexOperand(1), feedback_slot); |
85 CHECK(!iterator.done()); | 87 CHECK(!iterator.done()); |
86 iterator.Advance(); | 88 iterator.Advance(); |
87 | 89 |
88 CHECK_EQ(iterator.current_bytecode(), Bytecode::kStar); | 90 CHECK_EQ(iterator.current_bytecode(), Bytecode::kStar); |
89 CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_2.index()); | 91 CHECK_EQ(iterator.GetRegisterOperand(0).index(), reg_2.index()); |
90 CHECK(!iterator.done()); | 92 CHECK(!iterator.done()); |
91 iterator.Advance(); | 93 iterator.Advance(); |
92 | 94 |
93 CHECK_EQ(iterator.current_bytecode(), Bytecode::kCallRuntime); | |
94 CHECK_EQ(static_cast<Runtime::FunctionId>(iterator.GetIndexOperand(0)), | |
95 Runtime::kLoadIC_Miss); | |
96 CHECK_EQ(iterator.GetRegisterOperand(1).index(), reg_0.index()); | |
97 CHECK_EQ(iterator.GetCountOperand(2), 1); | |
98 CHECK(!iterator.done()); | |
99 iterator.Advance(); | |
100 | |
101 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); | 95 CHECK_EQ(iterator.current_bytecode(), Bytecode::kReturn); |
102 CHECK(!iterator.done()); | 96 CHECK(!iterator.done()); |
103 iterator.Advance(); | 97 iterator.Advance(); |
104 CHECK(iterator.done()); | 98 CHECK(iterator.done()); |
105 } | 99 } |
106 | 100 |
107 } // namespace interpreter | 101 } // namespace interpreter |
108 } // namespace internal | 102 } // namespace internal |
109 } // namespace v8 | 103 } // namespace v8 |
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