diff options
author | Nicolas Geoffray <ngeoffray@google.com> | 2014-02-18 16:43:35 +0000 |
---|---|---|
committer | Nicolas Geoffray <ngeoffray@google.com> | 2014-02-19 19:22:41 +0000 |
commit | 818f2107e6d2d9e80faac8ae8c92faffa83cbd11 (patch) | |
tree | 0a92aa1ba319115d8af05badc150d1e9e8e5e4ca /compiler/optimizing/nodes.cc | |
parent | a2a5354cd95faf242a70b99b7b11f8fdb7cb7c1b (diff) | |
download | art-818f2107e6d2d9e80faac8ae8c92faffa83cbd11.zip art-818f2107e6d2d9e80faac8ae8c92faffa83cbd11.tar.gz art-818f2107e6d2d9e80faac8ae8c92faffa83cbd11.tar.bz2 |
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
Diffstat (limited to 'compiler/optimizing/nodes.cc')
-rw-r--r-- | compiler/optimizing/nodes.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.cc b/compiler/optimizing/nodes.cc new file mode 100644 index 0000000..e7e9f47 --- /dev/null +++ b/compiler/optimizing/nodes.cc @@ -0,0 +1,60 @@ +/* + * 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 "nodes.h" +#include "utils/growable_array.h" + +namespace art { + +void HGraph::AddBlock(HBasicBlock* block) { + block->set_block_id(blocks_.Size()); + blocks_.Add(block); +} + +void HBasicBlock::AddInstruction(HInstruction* instruction) { + if (first_instruction_ == nullptr) { + DCHECK(last_instruction_ == nullptr); + first_instruction_ = last_instruction_ = instruction; + } else { + last_instruction_->next_ = instruction; + instruction->previous_ = last_instruction_; + last_instruction_ = instruction; + } +} + +#define DEFINE_ACCEPT(name) \ +void H##name::Accept(HGraphVisitor* visitor) { \ + visitor->Visit##name(this); \ +} + +FOR_EACH_INSTRUCTION(DEFINE_ACCEPT) + +#undef DEFINE_ACCEPT + +void HGraphVisitor::VisitInsertionOrder() { + const GrowableArray<HBasicBlock*>* blocks = graph_->blocks(); + for (size_t i = 0 ; i < blocks->Size(); i++) { + VisitBasicBlock(blocks->Get(i)); + } +} + +void HGraphVisitor::VisitBasicBlock(HBasicBlock* block) { + for (HInstructionIterator it(block); !it.Done(); it.Advance()) { + it.Current()->Accept(this); + } +} + +} // namespace art |