| /* |
| * 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 "compiler_internals.h" |
| #include "dex_file-inl.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) {} |
| |
| BasicBlock* ArenaBitVector::BasicBlockIterator::Next() { |
| int idx = internal_iterator_.Next(); |
| |
| if (idx == -1) { |
| return nullptr; |
| } |
| |
| return mir_graph_->GetBasicBlock(idx); |
| } |
| |
| } // namespace art |