Move arena_bit_vector.h/cc to compiler/utils.
Also move MIR's BasicBlock related code from arena_bit_vector.h to
bit_vector_block_iterator.cc.
Change-Id: I85c224b387d31cf57a1ef1f1a36eaadf22f1c85d
diff --git a/compiler/utils/arena_bit_vector.cc b/compiler/utils/arena_bit_vector.cc
new file mode 100644
index 0000000..6f03524
--- /dev/null
+++ b/compiler/utils/arena_bit_vector.cc
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011 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 "arena_allocator.h"
+#include "arena_bit_vector.h"
+
+namespace art {
+
+class ArenaBitVectorAllocator : public Allocator {
+ public:
+ explicit ArenaBitVectorAllocator(ArenaAllocator* arena) : arena_(arena) {}
+ ~ArenaBitVectorAllocator() {}
+
+ virtual void* Alloc(size_t size) {
+ return arena_->Alloc(size, ArenaAllocator::kAllocGrowableBitMap);
+ }
+
+ virtual void Free(void*) {} // Nop.
+
+ static void* operator new(size_t size, ArenaAllocator* arena) {
+ return arena->Alloc(sizeof(ArenaBitVectorAllocator), ArenaAllocator::kAllocGrowableBitMap);
+ }
+ static void operator delete(void* p) {} // Nop.
+
+ private:
+ ArenaAllocator* arena_;
+ DISALLOW_COPY_AND_ASSIGN(ArenaBitVectorAllocator);
+};
+
+ArenaBitVector::ArenaBitVector(ArenaAllocator* arena, unsigned int start_bits,
+ bool expandable, OatBitMapKind kind)
+ : BitVector(start_bits, expandable, new (arena) ArenaBitVectorAllocator(arena)), kind_(kind) {}
+
+} // namespace art