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annotate test/testgraph.py @ 351:62803b073d11

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Add conditional qt5 test
author Windel Bouwman
date Sat, 08 Mar 2014 16:46:51 +0100
parents 86b02c98a717
children
rev   line source
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1 #!/usr/bin/python
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2
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3 import unittest
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4 from ppci.codegen.graph import Graph, Node, DiGraph, DiNode
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5 from ppci.codegen.interferencegraph import InterferenceGraph
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6 from ppci.codegen.flowgraph import FlowGraph
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7 from ppci import ir
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8 from ppci.irmach import AbstractInstruction as AI
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9 from ppci.target import Nop
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10
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11
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12 class GraphTestCase(unittest.TestCase):
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13 def testEdge(self):
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14 g = Graph()
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15 n1 = Node(g)
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16 g.add_node(n1)
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17 n2 = Node(g)
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18 g.add_node(n2)
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19 g.addEdge(n1, n2)
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20 self.assertTrue(g.hasEdge(n2, n1))
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21 self.assertTrue(g.hasEdge(n1, n2))
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22 g.delNode(n1)
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23 g.delNode(n2)
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24
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25 def testDegree(self):
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26 g = Graph()
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27 n1 = Node(g)
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28 g.add_node(n1)
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29 n2 = Node(g)
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30 g.add_node(n2)
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31 n3 = Node(g)
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32 g.add_node(n3)
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33 g.addEdge(n1, n2)
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34 g.addEdge(n1, n3)
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35 self.assertEqual(2, n1.Degree)
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36 self.assertEqual(1, n2.Degree)
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37 g.delNode(n2)
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38 self.assertEqual(1, n1.Degree)
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39
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40
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41 class DigraphTestCase(unittest.TestCase):
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42 def testSuccessor(self):
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43 g = DiGraph()
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44 a = DiNode(g)
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45 b = DiNode(g)
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46 c = DiNode(g)
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47 g.add_node(a)
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48 g.add_node(b)
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49 g.add_node(c)
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50 g.addEdge(a, b)
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51 g.addEdge(b, c)
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52 self.assertEqual({b}, a.Succ)
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53 self.assertEqual({b}, c.Pred)
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54 g.delNode(c)
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55 self.assertEqual(set(), b.Succ)
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57
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58 class InterferenceGraphTestCase(unittest.TestCase):
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59 def testNormalUse(self):
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60 t1 = ir.Temp('t1')
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61 t2 = ir.Temp('t2')
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62 t3 = ir.Temp('t3')
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63 t4 = ir.Temp('t4')
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64 t5 = ir.Temp('t5')
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65 t6 = ir.Temp('t6')
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66 instrs = []
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67 instrs.append(AI(Nop, dst=[t1]))
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68 instrs.append(AI(Nop, dst=[t2]))
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69 instrs.append(AI(Nop, dst=[t3]))
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70 cfg = FlowGraph(instrs)
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71 ig = InterferenceGraph(cfg)
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72
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73 def testCombine(self):
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74 t1 = ir.Temp('t1')
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75 t2 = ir.Temp('t2')
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76 t3 = ir.Temp('t3')
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77 t4 = ir.Temp('t4')
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78 instrs = []
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79 instrs.append(AI(Nop, dst=[t1]))
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80 instrs.append(AI(Nop, dst=[t2]))
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81 instrs.append(AI(Nop, dst=[t3]))
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82 instrs.append(AI(Nop, dst=[t4], src=[t3]))
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83 instrs.append(AI(Nop, src=[t4]))
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84 instrs.append(AI(Nop, src=[t1]))
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85 instrs.append(AI(Nop, src=[t2]))
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86 cfg = FlowGraph(instrs)
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87 ig = InterferenceGraph(cfg)
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88 ig.Combine(ig.getNode(t4), ig.getNode(t3))
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89 self.assertIs(ig.getNode(t4), ig.getNode(t3))
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91
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92 if __name__ == '__main__':
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93 unittest.main()