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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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