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Diffstat (limited to 'compiler/optimizing/codegen_test.cc')
-rw-r--r-- | compiler/optimizing/codegen_test.cc | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/compiler/optimizing/codegen_test.cc b/compiler/optimizing/codegen_test.cc new file mode 100644 index 0000000..dc4999b --- /dev/null +++ b/compiler/optimizing/codegen_test.cc @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "builder.h" +#include "code_generator.h" +#include "common_compiler_test.h" +#include "dex_instruction.h" +#include "instruction_set.h" +#include "nodes.h" + +#include "gtest/gtest.h" + +namespace art { + +class ExecutableMemoryAllocator : public CodeAllocator { + public: + ExecutableMemoryAllocator() { } + + virtual uint8_t* Allocate(size_t size) { + memory_.reset(new uint8_t[size]); + CommonCompilerTest::MakeExecutable(memory_.get(), size); + return memory_.get(); + } + + uint8_t* memory() const { return memory_.get(); } + + private: + UniquePtr<uint8_t[]> memory_; + + DISALLOW_COPY_AND_ASSIGN(ExecutableMemoryAllocator); +}; + +static void TestCode(const uint16_t* data, int length) { + ArenaPool pool; + ArenaAllocator arena(&pool); + HGraphBuilder builder(&arena); + HGraph* graph = builder.BuildGraph(data, data + length); + ASSERT_NE(graph, nullptr); + ExecutableMemoryAllocator allocator; + CHECK(CodeGenerator::CompileGraph(graph, kX86, &allocator)); + typedef void (*fptr)(); +#if defined(__i386__) + reinterpret_cast<fptr>(allocator.memory())(); +#endif + CHECK(CodeGenerator::CompileGraph(graph, kArm, &allocator)); +#if defined(__arm__) + reinterpret_cast<fptr>(allocator.memory())(); +#endif +} + +TEST(CodegenTest, ReturnVoid) { + const uint16_t data[] = { Instruction::RETURN_VOID }; + TestCode(data, sizeof(data) / sizeof(uint16_t)); +} + +TEST(PrettyPrinterTest, CFG1) { + const uint16_t data[] = { + Instruction::GOTO | 0x100, + Instruction::RETURN_VOID + }; + + TestCode(data, sizeof(data) / sizeof(uint16_t)); +} + +TEST(PrettyPrinterTest, CFG2) { + const uint16_t data[] = { + Instruction::GOTO | 0x100, + Instruction::GOTO | 0x100, + Instruction::RETURN_VOID + }; + + TestCode(data, sizeof(data) / sizeof(uint16_t)); +} + +TEST(PrettyPrinterTest, CFG3) { + const uint16_t data1[] = { + Instruction::GOTO | 0x200, + Instruction::RETURN_VOID, + Instruction::GOTO | 0xFF00 + }; + + TestCode(data1, sizeof(data1) / sizeof(uint16_t)); + + const uint16_t data2[] = { + Instruction::GOTO_16, 3, + Instruction::RETURN_VOID, + Instruction::GOTO_16, 0xFFFF + }; + + TestCode(data2, sizeof(data2) / sizeof(uint16_t)); + + const uint16_t data3[] = { + Instruction::GOTO_32, 4, 0, + Instruction::RETURN_VOID, + Instruction::GOTO_32, 0xFFFF, 0xFFFF + }; + + TestCode(data3, sizeof(data3) / sizeof(uint16_t)); +} + +TEST(PrettyPrinterTest, CFG4) { + const uint16_t data[] = { + Instruction::RETURN_VOID, + Instruction::GOTO | 0x100, + Instruction::GOTO | 0xFE00 + }; + + TestCode(data, sizeof(data) / sizeof(uint16_t)); +} + +} // namespace art |