Re-apply: Initial check-in of an optimizing compiler.

The classes and the names are very much inspired by V8/Dart.
It currently only supports the RETURN_VOID dex instruction,
and there is a pretty printer to check if the building of the
graph is correct.

Change-Id: I28e125dfee86ae6ec9b3fec6aa1859523b92a893

1 files changed, 50 insertions, 0 deletions

diff --git a/compiler/utils/allocation.h b/compiler/utils/allocation.h
new file mode 100644
index 0000000000..07cd39788e
--- /dev/null
+++ b/compiler/utils/allocation.h
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+#ifndef ART_COMPILER_UTILS_ALLOCATION_H_
+#define ART_COMPILER_UTILS_ALLOCATION_H_
+
+#include "arena_allocator.h"
+#include "base/logging.h"
+
+namespace art {
+
+class ArenaObject {
+ public:
+  // Allocate a new ArenaObject of 'size' bytes in the Arena.
+  void* operator new(size_t size, ArenaAllocator* allocator) {
+    return allocator->Alloc(size, ArenaAllocator::kAllocMisc);
+  }
+
+  void operator delete(void*, size_t) {
+    LOG(FATAL) << "UNREACHABLE";
+  }
+};
+
+class ValueObject {
+ public:
+  void* operator new(size_t size) {
+    LOG(FATAL) << "UNREACHABLE";
+    abort();
+  }
+  void operator delete(void*, size_t) {
+    LOG(FATAL) << "UNREACHABLE";
+  }
+};
+
+}  // namespace art
+
+#endif  // ART_COMPILER_UTILS_ALLOCATION_H_