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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef V8_UNITTESTS_COMPILER_INSTRUCTION_SELECTOR_TEST_H_ | |
| 6 #define V8_UNITTESTS_COMPILER_INSTRUCTION_SELECTOR_TEST_H_ | |
| 7 | |
| 8 #include <deque> | |
| 9 | |
| 10 #include "src/compiler/instruction-selector.h" | |
| 11 #include "src/compiler/raw-machine-assembler.h" | |
| 12 #include "test/unittests/test-zone.h" | |
| 13 | |
| 14 namespace v8 { | |
| 15 namespace internal { | |
| 16 namespace compiler { | |
| 17 | |
| 18 class InstructionSelectorTest : public ContextTest, public ZoneTest { | |
| 19 public: | |
| 20 InstructionSelectorTest() {} | |
| 21 | |
| 22 protected: | |
| 23 class Stream; | |
| 24 | |
| 25 enum StreamBuilderMode { kAllInstructions, kTargetInstructions }; | |
| 26 | |
| 27 class StreamBuilder : public RawMachineAssembler { | |
| 28 public: | |
| 29 StreamBuilder(InstructionSelectorTest* test, | |
| 30 MachineRepresentation return_type) | |
| 31 : RawMachineAssembler(new (test->zone()) Graph(test->zone()), | |
| 32 CallDescriptorBuilder(test->zone(), return_type)), | |
| 33 test_(test) {} | |
| 34 | |
| 35 Stream Build(StreamBuilderMode mode = kTargetInstructions); | |
| 36 | |
| 37 private: | |
| 38 MachineCallDescriptorBuilder* CallDescriptorBuilder( | |
| 39 Zone* zone, MachineRepresentation return_type) { | |
| 40 return new (zone) MachineCallDescriptorBuilder(return_type, 0, NULL); | |
| 41 } | |
| 42 | |
| 43 private: | |
| 44 InstructionSelectorTest* test_; | |
| 45 }; | |
| 46 | |
| 47 class Stream { | |
| 48 public: | |
| 49 size_t size() const { return instructions_.size(); } | |
| 50 const Instruction* operator[](size_t index) const { | |
| 51 EXPECT_LT(index, size()); | |
| 52 return instructions_[index]; | |
| 53 } | |
| 54 | |
| 55 int32_t ToInt32(const InstructionOperand* operand) const { | |
| 56 return ToConstant(operand).ToInt32(); | |
| 57 } | |
| 58 | |
| 59 private: | |
| 60 Constant ToConstant(const InstructionOperand* operand) const { | |
| 61 ConstantMap::const_iterator i; | |
| 62 if (operand->IsConstant()) { | |
| 63 i = constants_.find(operand->index()); | |
| 64 EXPECT_NE(constants_.end(), i); | |
| 65 } else { | |
| 66 EXPECT_EQ(InstructionOperand::IMMEDIATE, operand->kind()); | |
| 67 i = immediates_.find(operand->index()); | |
| 68 EXPECT_NE(immediates_.end(), i); | |
| 69 } | |
| 70 EXPECT_EQ(operand->index(), i->first); | |
| 71 return i->second; | |
| 72 } | |
| 73 | |
| 74 friend class StreamBuilder; | |
| 75 | |
| 76 typedef std::map<int, Constant> ConstantMap; | |
| 77 | |
| 78 ConstantMap constants_; | |
| 79 ConstantMap immediates_; | |
| 80 std::deque<Instruction*> instructions_; | |
| 81 }; | |
| 82 }; | |
| 83 | |
| 84 } // namespace compiler | |
| 85 } // namespace internal | |
| 86 } // namespace v8 | |
| 87 | |
| 88 #endif // V8_UNITTESTS_COMPILER_INSTRUCTION_SELECTOR_TEST_H_ | |
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