deps/v8/test/cctest/compiler/test-node-algorithm.cc

   1 // Copyright 2013 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <vector>
   6
   7 #include "src/v8.h"
   8
   9 #include "graph-tester.h"
  10 #include "src/compiler/common-operator.h"
  11 #include "src/compiler/graph.h"
  12 #include "src/compiler/graph-visualizer.h"
  13 #include "src/compiler/node.h"
  14 #include "src/compiler/operator.h"
  15
  16 using namespace v8::internal;
  17 using namespace v8::internal::compiler;
  18
  19 static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
  20                                "dummy", 0, 0, 0, 1, 0, 0);
  21
  22 TEST(TestPrintNodeGraphToNodeGraphviz) {
  23   GraphWithStartNodeTester graph;
  24   Node* n2 = graph.NewNode(&dummy_operator, graph.start());
  25   Node* n3 = graph.NewNode(&dummy_operator, graph.start());
  26   Node* n4 = graph.NewNode(&dummy_operator, n2);
  27   Node* n5 = graph.NewNode(&dummy_operator, n2);
  28   Node* n6 = graph.NewNode(&dummy_operator, n3);
  29   Node* n7 = graph.NewNode(&dummy_operator, n3);
  30   Node* n8 = graph.NewNode(&dummy_operator, n5);
  31   Node* n9 = graph.NewNode(&dummy_operator, n5);
  32   Node* n10 = graph.NewNode(&dummy_operator, n9);
  33   Node* n11 = graph.NewNode(&dummy_operator, n9);
  34   Node* end_dependencies[6] = {n4, n8, n10, n11, n6, n7};
  35   Node* n12 = graph.NewNode(&dummy_operator, 6, end_dependencies);
  36   graph.SetEnd(n12);
  37
  38   OFStream os(stdout);
  39   os << AsDOT(graph);
  40 }