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test/cctest/compiler/simplified-graph-builder.cc

Index: test/cctest/compiler/simplified-graph-builder.cc
diff --git a/test/cctest/compiler/simplified-graph-builder.cc b/test/cctest/compiler/simplified-graph-builder.cc
new file mode 100644
index 0000000000000000000000000000000000000000..038c61a5a693fb4093b3cd92dcdb2f0eff349906
--- /dev/null
+++ b/test/cctest/compiler/simplified-graph-builder.cc
@@ -0,0 +1,78 @@
+// 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 "test/cctest/compiler/simplified-graph-builder.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+SimplifiedGraphBuilder::SimplifiedGraphBuilder(
+    Graph* graph, CommonOperatorBuilder* common,
+    MachineOperatorBuilder* machine, SimplifiedOperatorBuilder* simplified)
+    : StructuredGraphBuilder(graph, common),
+      machine_(machine),
+      simplified_(simplified) {}
+
+
+void SimplifiedGraphBuilder::Begin() {
+  ASSERT(graph()->start() == NULL);
+  Node* start = graph()->NewNode(common()->Start());
+  graph()->SetStart(start);
+  set_environment(new (zone()) Environment(this, start));
+}
+
+
+void SimplifiedGraphBuilder::Return(Node* value) {
+  Node* control = NewNode(common()->Return(), value);
+  UpdateControlDependencyToLeaveFunction(control);
+}
+
+
+void SimplifiedGraphBuilder::End() {
+  environment()->UpdateControlDependency(exit_control());
+  graph()->SetEnd(NewNode(common()->End()));
+}
+
+
+SimplifiedGraphBuilder::Environment::Environment(
+    SimplifiedGraphBuilder* builder, Node* control_dependency)
+    : StructuredGraphBuilder::Environment(builder, control_dependency) {}
+
+
+Node* SimplifiedGraphBuilder::Environment::Top() {
+  ASSERT(!values()->empty());
+  return values()->back();
+}
+
+
+void SimplifiedGraphBuilder::Environment::Push(Node* node) {
+  values()->push_back(node);
+}
+
+
+Node* SimplifiedGraphBuilder::Environment::Pop() {
+  ASSERT(!values()->empty());
+  Node* back = values()->back();
+  values()->pop_back();
+  return back;
+}
+
+
+void SimplifiedGraphBuilder::Environment::Poke(size_t depth, Node* node) {
+  ASSERT(depth < values()->size());
+  size_t index = values()->size() - depth - 1;
+  values()->at(index) = node;
+}
+
+
+Node* SimplifiedGraphBuilder::Environment::Peek(size_t depth) {
+  ASSERT(depth < values()->size());
+  size_t index = values()->size() - depth - 1;
+  return values()->at(index);
+}
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8