[test] Remove deprecated cctest/test-node-algorithm tests.

R=jarin@chromium.org
TEST=cctest/test-graph-visualizer

Review URL: https://codereview.chromium.org/1115603003

Cr-Commit-Position: refs/heads/master@{#28134}

test/cctest/cctest.gyp

@@ -69,7 +69,6 @@
         'compiler/test-loop-assignment-analysis.cc',
         'compiler/test-loop-analysis.cc',
         'compiler/test-machine-operator-reducer.cc',
-        'compiler/test-node-algorithm.cc',
         'compiler/test-node-cache.cc',
         'compiler/test-node.cc',
         'compiler/test-operator.cc',

test/cctest/compiler/graph-tester.h

@@ -20,23 +20,8 @@ class GraphTester : public HandleAndZoneScope, public Graph {
   GraphTester() : Graph(main_zone()) {}
 };
 
-
-class GraphWithStartNodeTester : public GraphTester {
- public:
-  explicit GraphWithStartNodeTester(int num_parameters = 0)
-      : builder_(main_zone()),
-        start_node_(NewNode(builder_.Start(num_parameters))) {
-    SetStart(start_node_);
-  }
-
-  Node* start_node() { return start_node_; }
-
- private:
-  CommonOperatorBuilder builder_;
-  Node* start_node_;
-};
-}
-}
-}  // namespace v8::internal::compiler
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_GRAPH_TESTER_H_

test/cctest/compiler/test-graph-visualizer.cc

@@ -20,6 +20,10 @@
 using namespace v8::internal;
 using namespace v8::internal::compiler;
 
+static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
+                               "dummy", 0, 0, 0, 1, 0, 0);
+
+
 TEST(NodeWithNullInputReachableFromEnd) {
   HandleAndZoneScope scope;
   Graph graph(scope.main_zone());
@@ -93,3 +97,31 @@ TEST(NodeWithNullControlReachableFromStart) {
   SourcePositionTable table(&graph);
   os << AsJSON(graph, &table);
 }
+
+
+TEST(NodeNetworkOfDummiesReachableFromEnd) {
+  HandleAndZoneScope scope;
+  Graph graph(scope.main_zone());
+  CommonOperatorBuilder common(scope.main_zone());
+
+  Node* start = graph.NewNode(common.Start(0));
+  graph.SetStart(start);
+  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* end = graph.NewNode(&dummy_operator, 6, end_dependencies);
+  graph.SetEnd(end);
+
+  OFStream os(stdout);
+  os << AsDOT(graph);
+  SourcePositionTable table(&graph);
+  os << AsJSON(graph, &table);
+}

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

-// 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/graph.h"
-#include "src/compiler/graph-visualizer.h"
-#include "src/compiler/node.h"
-#include "src/compiler/operator.h"
-
-using namespace v8::internal;
-using namespace v8::internal::compiler;
-
-static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
-                               "dummy", 0, 0, 0, 1, 0, 0);
-
-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);
-}