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Unified Diff: src/compiler/lowering-builder.cc

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 5 months ago
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Index: src/compiler/lowering-builder.cc
diff --git a/src/compiler/lowering-builder.cc b/src/compiler/lowering-builder.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f3644cfef24a8a4bc31181f82285be36e5ba9d43
--- /dev/null
+++ b/src/compiler/lowering-builder.cc
@@ -0,0 +1,41 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/compiler/graph-inl.h"
+#include "src/compiler/lowering-builder.h"
+#include "src/compiler/node-aux-data-inl.h"
+#include "src/compiler/node-properties-inl.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+class LoweringBuilder::NodeVisitor : public NullNodeVisitor {
+ public:
+ explicit NodeVisitor(LoweringBuilder* lowering) : lowering_(lowering) {}
+
+ GenericGraphVisit::Control Post(Node* node) {
+ SourcePositionTable::Scope pos(lowering_->source_positions_, node);
+ lowering_->Lower(node);
+ return GenericGraphVisit::CONTINUE;
+ }
+
+ private:
+ LoweringBuilder* lowering_;
+};
+
+
+LoweringBuilder::LoweringBuilder(Graph* graph,
+ SourcePositionTable* source_positions)
+ : graph_(graph), source_positions_(source_positions) {}
+
+
+void LoweringBuilder::LowerAllNodes() {
+ NodeVisitor visitor(this);
+ graph()->VisitNodeInputsFromEnd(&visitor);
+}
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8
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