Add codegen support to the optimizing compiler.

Change-Id: I9aae76908ff1d6e64fb71a6718fc1426b67a5c28

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