Esempio n. 1
0
        public static Dictionary <int, V> Apply <V>(Graph graph, BasicIterativeAlgorithmParameters <V> param, Dictionary <int, int> order = null)
        {
            var MOP = new Dictionary <int, V>();

            foreach (BasicBlock blockTo in graph)
            {
                MOP[blockTo.BlockId] = param.StartingValue;
                foreach (var path in GraphAlgorithms.FindAllPaths(graph, blockTo.BlockId))
                {
                    var value = path.Aggregate(param.FirstValue, param.TransferFunction);
                    MOP[blockTo.BlockId] = param.GatherOperation(new List <V> {
                        MOP[blockTo.BlockId], value
                    });
                }
            }

            return(MOP);
        }
Esempio n. 2
0
        public void FindAllPathsTest()
        {
            // Test graph 1
            {
                var blocks = CreateTestGraph1Blocks();
                var graph  = new Graph(blocks);

                var benchmarkPaths = new List <List <int> >
                {
                    // 0 -> 1 -> 3 -> 4 -> 6
                    new List <int> {
                        0, 1, 3, 4, 6
                    },
                    // 0 -> 1 -> 3 -> 5 -> 6
                    new List <int> {
                        0, 1, 3, 5, 6
                    },
                    // 0 -> 2 -> 3 -> 4 -> 6
                    new List <int> {
                        0, 2, 3, 4, 6
                    },
                    // 0 -> 2 -> 3 -> 5 -> 6
                    new List <int> {
                        0, 2, 3, 5, 6
                    }
                }.Select(x => x.Select(y => blocks.Blocks[y].BlockId)).ToList();

                var benchmarkPathsChecked = Enumerable.Repeat(false, benchmarkPaths.Count).ToList();

                var paths = GraphAlgorithms.FindAllPaths(graph, blocks.Blocks[6].BlockId).ToList();
                Assert.AreEqual(paths.Count, 4);
                foreach (var path in paths)
                {
                    foreach (var block in path)
                    {
                        Trace.Write(blocks.Blocks.FindIndex(basicBlock => basicBlock.BlockId == block.BlockId) + " ");
                    }
                    Trace.WriteLine("");

                    for (int i = 0; i < benchmarkPaths.Count; i++)
                    {
                        benchmarkPathsChecked[i] = benchmarkPathsChecked[i] || benchmarkPaths[i].SequenceEqual(path.Select(block => block.BlockId));
                    }
                }

                Assert.IsTrue(benchmarkPathsChecked.All(x => x));
            }

            {
                // Test graph 2
                var blocks = CreateTestGraph2Blocks();
                var graph  = new Graph(blocks);

                var benchmarkPaths = new List <List <int> >
                {
                    new List <int> {
                        0, 1, 2, 3, 11
                    },
                    new List <int> {
                        0, 4, 5, 3, 11
                    },
                    new List <int> {
                        0, 4, 5, 7, 11
                    },
                    new List <int> {
                        0, 4, 6, 7, 11
                    },
                    new List <int> {
                        0, 4, 6, 10, 11
                    },
                    new List <int> {
                        0, 8, 10, 11
                    },
                    new List <int> {
                        0, 8, 9, 10, 11
                    }
                }.Select(x => x.Select(y => blocks.Blocks[y].BlockId)).ToList();

                var benchmarkPathsChecked = Enumerable.Repeat(false, benchmarkPaths.Count).ToList();

                var paths = GraphAlgorithms.FindAllPaths(graph, blocks.Blocks[11].BlockId).ToList();
                Assert.AreEqual(paths.Count, 7);
                foreach (var path in paths)
                {
                    foreach (var block in path)
                    {
                        Trace.Write(blocks.Blocks.FindIndex(basicBlock => basicBlock.BlockId == block.BlockId) + " ");
                    }
                    Trace.WriteLine("");

                    for (int i = 0; i < benchmarkPaths.Count; i++)
                    {
                        benchmarkPathsChecked[i] = benchmarkPathsChecked[i] || benchmarkPaths[i].SequenceEqual(path.Select(block => block.BlockId));
                    }
                }

                Assert.IsTrue(benchmarkPathsChecked.All(x => x));
            }
        }