d07a2eb806
This way we don't clash with the ASSERT* macros defined by GoogleTest, and we are one step closer to being able to replace our homegrown base/ with base/ from Chrome. R=jochen@chromium.org, svenpanne@chromium.org Review URL: https://codereview.chromium.org/430503007 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22812 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/hydrogen-infer-types.h"
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namespace v8 {
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namespace internal {
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void HInferTypesPhase::InferTypes(int from_inclusive, int to_inclusive) {
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for (int i = from_inclusive; i <= to_inclusive; ++i) {
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HBasicBlock* block = graph()->blocks()->at(i);
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const ZoneList<HPhi*>* phis = block->phis();
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for (int j = 0; j < phis->length(); j++) {
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phis->at(j)->UpdateInferredType();
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}
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for (HInstructionIterator it(block); !it.Done(); it.Advance()) {
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it.Current()->UpdateInferredType();
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}
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if (block->IsLoopHeader()) {
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HBasicBlock* last_back_edge =
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block->loop_information()->GetLastBackEdge();
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InferTypes(i + 1, last_back_edge->block_id());
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// Skip all blocks already processed by the recursive call.
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i = last_back_edge->block_id();
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// Update phis of the loop header now after the whole loop body is
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// guaranteed to be processed.
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for (int j = 0; j < block->phis()->length(); ++j) {
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HPhi* phi = block->phis()->at(j);
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worklist_.Add(phi, zone());
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in_worklist_.Add(phi->id());
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}
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while (!worklist_.is_empty()) {
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HValue* current = worklist_.RemoveLast();
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in_worklist_.Remove(current->id());
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if (current->UpdateInferredType()) {
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for (HUseIterator it(current->uses()); !it.Done(); it.Advance()) {
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HValue* use = it.value();
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if (!in_worklist_.Contains(use->id())) {
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in_worklist_.Add(use->id());
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worklist_.Add(use, zone());
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}
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}
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}
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}
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DCHECK(in_worklist_.IsEmpty());
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}
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}
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}
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} } // namespace v8::internal
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