Remove accidental duplication in cctest suite.

test/cctest/compiler/compiler/test-node-algorithm.cc

Index: test/cctest/compiler/compiler/test-node-algorithm.cc
diff --git a/test/cctest/compiler/compiler/test-node-algorithm.cc b/test/cctest/compiler/compiler/test-node-algorithm.cc
deleted file mode 100644
index ac8fbb9200969b1af32bb5286ebeca8f43a22604..0000000000000000000000000000000000000000
--- a/test/cctest/compiler/compiler/test-node-algorithm.cc
+++ /dev/null
@@ -1,330 +0,0 @@
-// Copyright 2013 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 <vector>
-
-#include "src/v8.h"
-
-#include "graph-tester.h"
-#include "src/compiler/common-operator.h"
-#include "src/compiler/generic-node.h"
-#include "src/compiler/generic-node-inl.h"
-#include "src/compiler/graph.h"
-#include "src/compiler/graph-inl.h"
-#include "src/compiler/graph-visualizer.h"
-#include "src/compiler/operator.h"
-
-using namespace v8::internal;
-using namespace v8::internal::compiler;
-
-static SimpleOperator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
-                                     0, 0, "dummy");
-
-class PreNodeVisitor : public NullNodeVisitor {
- public:
-  GenericGraphVisit::Control Pre(Node* node) {
-    printf("NODE ID: %d\n", node->id());
-    nodes_.push_back(node);
-    return GenericGraphVisit::CONTINUE;
-  }
-  std::vector<Node*> nodes_;
-};
-
-
-class PostNodeVisitor : public NullNodeVisitor {
- public:
-  GenericGraphVisit::Control Post(Node* node) {
-    printf("NODE ID: %d\n", node->id());
-    nodes_.push_back(node);
-    return GenericGraphVisit::CONTINUE;
-  }
-  std::vector<Node*> nodes_;
-};
-
-
-TEST(TestUseNodeVisitEmpty) {
-  GraphWithStartNodeTester graph;
-
-  PreNodeVisitor node_visitor;
-  graph.VisitNodeUsesFromStart(&node_visitor);
-
-  CHECK_EQ(1, node_visitor.nodes_.size());
-}
-
-
-TEST(TestUseNodePreOrderVisitSimple) {
-  GraphWithStartNodeTester graph;
-  Node* n2 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n3 = graph.NewNode(&dummy_operator, n2);
-  Node* n4 = graph.NewNode(&dummy_operator, n2, n3);
-  Node* n5 = graph.NewNode(&dummy_operator, n4, n2);
-  graph.SetEnd(n5);
-
-  PreNodeVisitor node_visitor;
-  graph.VisitNodeUsesFromStart(&node_visitor);
-
-  CHECK_EQ(5, node_visitor.nodes_.size());
-  CHECK(graph.start()->id() == node_visitor.nodes_[0]->id());
-  CHECK(n2->id() == node_visitor.nodes_[1]->id());
-  CHECK(n3->id() == node_visitor.nodes_[2]->id());
-  CHECK(n4->id() == node_visitor.nodes_[3]->id());
-  CHECK(n5->id() == node_visitor.nodes_[4]->id());
-}
-
-
-TEST(TestInputNodePreOrderVisitSimple) {
-  GraphWithStartNodeTester graph;
-  Node* n2 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n3 = graph.NewNode(&dummy_operator, n2);
-  Node* n4 = graph.NewNode(&dummy_operator, n2, n3);
-  Node* n5 = graph.NewNode(&dummy_operator, n4, n2);
-  graph.SetEnd(n5);
-
-  PreNodeVisitor node_visitor;
-  graph.VisitNodeInputsFromEnd(&node_visitor);
-  CHECK_EQ(5, node_visitor.nodes_.size());
-  CHECK(n5->id() == node_visitor.nodes_[0]->id());
-  CHECK(n4->id() == node_visitor.nodes_[1]->id());
-  CHECK(n2->id() == node_visitor.nodes_[2]->id());
-  CHECK(graph.start()->id() == node_visitor.nodes_[3]->id());
-  CHECK(n3->id() == node_visitor.nodes_[4]->id());
-}
-
-
-TEST(TestUseNodePostOrderVisitSimple) {
-  GraphWithStartNodeTester graph;
-  Node* n2 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n3 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n4 = graph.NewNode(&dummy_operator, n2);
-  Node* n5 = graph.NewNode(&dummy_operator, n2);
-  Node* n6 = graph.NewNode(&dummy_operator, n2);
-  Node* n7 = graph.NewNode(&dummy_operator, n3);
-  Node* end_dependencies[4] = {n4, n5, n6, n7};
-  Node* n8 = graph.NewNode(&dummy_operator, 4, end_dependencies);
-  graph.SetEnd(n8);
-
-  PostNodeVisitor node_visitor;
-  graph.VisitNodeUsesFromStart(&node_visitor);
-
-  CHECK_EQ(8, node_visitor.nodes_.size());
-  CHECK(graph.end()->id() == node_visitor.nodes_[0]->id());
-  CHECK(n4->id() == node_visitor.nodes_[1]->id());
-  CHECK(n5->id() == node_visitor.nodes_[2]->id());
-  CHECK(n6->id() == node_visitor.nodes_[3]->id());
-  CHECK(n2->id() == node_visitor.nodes_[4]->id());
-  CHECK(n7->id() == node_visitor.nodes_[5]->id());
-  CHECK(n3->id() == node_visitor.nodes_[6]->id());
-  CHECK(graph.start()->id() == node_visitor.nodes_[7]->id());
-}
-
-
-TEST(TestUseNodePostOrderVisitLong) {
-  GraphWithStartNodeTester graph;
-  Node* n2 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n3 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n4 = graph.NewNode(&dummy_operator, n2);
-  Node* n5 = graph.NewNode(&dummy_operator, n2);
-  Node* n6 = graph.NewNode(&dummy_operator, n3);
-  Node* n7 = graph.NewNode(&dummy_operator, n3);
-  Node* n8 = graph.NewNode(&dummy_operator, n5);
-  Node* n9 = graph.NewNode(&dummy_operator, n5);
-  Node* n10 = graph.NewNode(&dummy_operator, n9);
-  Node* n11 = graph.NewNode(&dummy_operator, n9);
-  Node* end_dependencies[6] = {n4, n8, n10, n11, n6, n7};
-  Node* n12 = graph.NewNode(&dummy_operator, 6, end_dependencies);
-  graph.SetEnd(n12);
-
-  PostNodeVisitor node_visitor;
-  graph.VisitNodeUsesFromStart(&node_visitor);
-
-  CHECK_EQ(12, node_visitor.nodes_.size());
-  CHECK(graph.end()->id() == node_visitor.nodes_[0]->id());
-  CHECK(n4->id() == node_visitor.nodes_[1]->id());
-  CHECK(n8->id() == node_visitor.nodes_[2]->id());
-  CHECK(n10->id() == node_visitor.nodes_[3]->id());
-  CHECK(n11->id() == node_visitor.nodes_[4]->id());
-  CHECK(n9->id() == node_visitor.nodes_[5]->id());
-  CHECK(n5->id() == node_visitor.nodes_[6]->id());
-  CHECK(n2->id() == node_visitor.nodes_[7]->id());
-  CHECK(n6->id() == node_visitor.nodes_[8]->id());
-  CHECK(n7->id() == node_visitor.nodes_[9]->id());
-  CHECK(n3->id() == node_visitor.nodes_[10]->id());
-  CHECK(graph.start()->id() == node_visitor.nodes_[11]->id());
-}
-
-
-TEST(TestUseNodePreOrderVisitCycle) {
-  GraphWithStartNodeTester graph;
-  Node* n0 = graph.start_node();
-  Node* n1 = graph.NewNode(&dummy_operator, n0);
-  Node* n2 = graph.NewNode(&dummy_operator, n1);
-  n0->AppendInput(graph.main_zone(), n2);
-  graph.SetStart(n0);
-  graph.SetEnd(n2);
-
-  PreNodeVisitor node_visitor;
-  graph.VisitNodeUsesFromStart(&node_visitor);
-
-  CHECK_EQ(3, node_visitor.nodes_.size());
-  CHECK(n0->id() == node_visitor.nodes_[0]->id());
-  CHECK(n1->id() == node_visitor.nodes_[1]->id());
-  CHECK(n2->id() == node_visitor.nodes_[2]->id());
-}
-
-
-struct ReenterNodeVisitor : NullNodeVisitor {
-  GenericGraphVisit::Control Pre(Node* node) {
-    printf("[%d] PRE NODE: %d\n", static_cast<int>(nodes_.size()), node->id());
-    nodes_.push_back(node->id());
-    int size = nodes_.size();
-    switch (node->id()) {
-      case 0:
-        return size < 6 ? GenericGraphVisit::REENTER : GenericGraphVisit::SKIP;
-      case 1:
-        return size < 4 ? GenericGraphVisit::DEFER
-                        : GenericGraphVisit::CONTINUE;
-      default:
-        return GenericGraphVisit::REENTER;
-    }
-  }
-
-  GenericGraphVisit::Control Post(Node* node) {
-    printf("[%d] POST NODE: %d\n", static_cast<int>(nodes_.size()), node->id());
-    nodes_.push_back(-node->id());
-    return node->id() == 4 ? GenericGraphVisit::REENTER
-                           : GenericGraphVisit::CONTINUE;
-  }
-
-  void PreEdge(Node* from, int index, Node* to) {
-    printf("[%d] PRE EDGE: %d-%d\n", static_cast<int>(edges_.size()),
-           from->id(), to->id());
-    edges_.push_back(std::make_pair(from->id(), to->id()));
-  }
-
-  void PostEdge(Node* from, int index, Node* to) {
-    printf("[%d] POST EDGE: %d-%d\n", static_cast<int>(edges_.size()),
-           from->id(), to->id());
-    edges_.push_back(std::make_pair(-from->id(), -to->id()));
-  }
-
-  std::vector<int> nodes_;
-  std::vector<std::pair<int, int> > edges_;
-};
-
-
-TEST(TestUseNodeReenterVisit) {
-  GraphWithStartNodeTester graph;
-  Node* n0 = graph.start_node();
-  Node* n1 = graph.NewNode(&dummy_operator, n0);
-  Node* n2 = graph.NewNode(&dummy_operator, n0);
-  Node* n3 = graph.NewNode(&dummy_operator, n2);
-  Node* n4 = graph.NewNode(&dummy_operator, n0);
-  Node* n5 = graph.NewNode(&dummy_operator, n4);
-  n0->AppendInput(graph.main_zone(), n3);
-  graph.SetStart(n0);
-  graph.SetEnd(n5);
-
-  ReenterNodeVisitor visitor;
-  graph.VisitNodeUsesFromStart(&visitor);
-
-  CHECK_EQ(22, visitor.nodes_.size());
-  CHECK_EQ(24, visitor.edges_.size());
-
-  CHECK(n0->id() == visitor.nodes_[0]);
-  CHECK(n0->id() == visitor.edges_[0].first);
-  CHECK(n1->id() == visitor.edges_[0].second);
-  CHECK(n1->id() == visitor.nodes_[1]);
-  // N1 is deferred.
-  CHECK(-n1->id() == visitor.edges_[1].second);
-  CHECK(-n0->id() == visitor.edges_[1].first);
-  CHECK(n0->id() == visitor.edges_[2].first);
-  CHECK(n2->id() == visitor.edges_[2].second);
-  CHECK(n2->id() == visitor.nodes_[2]);
-  CHECK(n2->id() == visitor.edges_[3].first);
-  CHECK(n3->id() == visitor.edges_[3].second);
-  CHECK(n3->id() == visitor.nodes_[3]);
-  // Circle back to N0, which we may reenter for now.
-  CHECK(n3->id() == visitor.edges_[4].first);
-  CHECK(n0->id() == visitor.edges_[4].second);
-  CHECK(n0->id() == visitor.nodes_[4]);
-  CHECK(n0->id() == visitor.edges_[5].first);
-  CHECK(n1->id() == visitor.edges_[5].second);
-  CHECK(n1->id() == visitor.nodes_[5]);
-  // This time N1 is no longer deferred.
-  CHECK(-n1->id() == visitor.nodes_[6]);
-  CHECK(-n1->id() == visitor.edges_[6].second);
-  CHECK(-n0->id() == visitor.edges_[6].first);
-  CHECK(n0->id() == visitor.edges_[7].first);
-  CHECK(n2->id() == visitor.edges_[7].second);
-  CHECK(n2->id() == visitor.nodes_[7]);
-  CHECK(n2->id() == visitor.edges_[8].first);
-  CHECK(n3->id() == visitor.edges_[8].second);
-  CHECK(n3->id() == visitor.nodes_[8]);
-  CHECK(n3->id() == visitor.edges_[9].first);
-  CHECK(n0->id() == visitor.edges_[9].second);
-  CHECK(n0->id() == visitor.nodes_[9]);
-  // This time we break at N0 and skip it.
-  CHECK(-n0->id() == visitor.edges_[10].second);
-  CHECK(-n3->id() == visitor.edges_[10].first);
-  CHECK(-n3->id() == visitor.nodes_[10]);
-  CHECK(-n3->id() == visitor.edges_[11].second);
-  CHECK(-n2->id() == visitor.edges_[11].first);
-  CHECK(-n2->id() == visitor.nodes_[11]);
-  CHECK(-n2->id() == visitor.edges_[12].second);
-  CHECK(-n0->id() == visitor.edges_[12].first);
-  CHECK(n0->id() == visitor.edges_[13].first);
-  CHECK(n4->id() == visitor.edges_[13].second);
-  CHECK(n4->id() == visitor.nodes_[12]);
-  CHECK(n4->id() == visitor.edges_[14].first);
-  CHECK(n5->id() == visitor.edges_[14].second);
-  CHECK(n5->id() == visitor.nodes_[13]);
-  CHECK(-n5->id() == visitor.nodes_[14]);
-  CHECK(-n5->id() == visitor.edges_[15].second);
-  CHECK(-n4->id() == visitor.edges_[15].first);
-  CHECK(-n4->id() == visitor.nodes_[15]);
-  CHECK(-n4->id() == visitor.edges_[16].second);
-  CHECK(-n0->id() == visitor.edges_[16].first);
-  CHECK(-n0->id() == visitor.nodes_[16]);
-  CHECK(-n0->id() == visitor.edges_[17].second);
-  CHECK(-n3->id() == visitor.edges_[17].first);
-  CHECK(-n3->id() == visitor.nodes_[17]);
-  CHECK(-n3->id() == visitor.edges_[18].second);
-  CHECK(-n2->id() == visitor.edges_[18].first);
-  CHECK(-n2->id() == visitor.nodes_[18]);
-  CHECK(-n2->id() == visitor.edges_[19].second);
-  CHECK(-n0->id() == visitor.edges_[19].first);
-  // N4 may be reentered.
-  CHECK(n0->id() == visitor.edges_[20].first);
-  CHECK(n4->id() == visitor.edges_[20].second);
-  CHECK(n4->id() == visitor.nodes_[19]);
-  CHECK(n4->id() == visitor.edges_[21].first);
-  CHECK(n5->id() == visitor.edges_[21].second);
-  CHECK(-n5->id() == visitor.edges_[22].second);
-  CHECK(-n4->id() == visitor.edges_[22].first);
-  CHECK(-n4->id() == visitor.nodes_[20]);
-  CHECK(-n4->id() == visitor.edges_[23].second);
-  CHECK(-n0->id() == visitor.edges_[23].first);
-  CHECK(-n0->id() == visitor.nodes_[21]);
-}
-
-
-TEST(TestPrintNodeGraphToNodeGraphviz) {
-  GraphWithStartNodeTester graph;
-  Node* n2 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n3 = graph.NewNode(&dummy_operator, graph.start());
-  Node* n4 = graph.NewNode(&dummy_operator, n2);
-  Node* n5 = graph.NewNode(&dummy_operator, n2);
-  Node* n6 = graph.NewNode(&dummy_operator, n3);
-  Node* n7 = graph.NewNode(&dummy_operator, n3);
-  Node* n8 = graph.NewNode(&dummy_operator, n5);
-  Node* n9 = graph.NewNode(&dummy_operator, n5);
-  Node* n10 = graph.NewNode(&dummy_operator, n9);
-  Node* n11 = graph.NewNode(&dummy_operator, n9);
-  Node* end_dependencies[6] = {n4, n8, n10, n11, n6, n7};
-  Node* n12 = graph.NewNode(&dummy_operator, 6, end_dependencies);
-  graph.SetEnd(n12);
-
-  OFStream os(stdout);
-  os << AsDOT(graph);
-}