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301
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1 import unittest
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2 import os
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252
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3 import sys
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256
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4 import ppci
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301
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5 from ppci import ir
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307
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6 from ppci import irutils
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300
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7 from ppci.transform import ConstantFolder
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204
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8
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272
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9
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253
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10 class IrCodeTestCase(unittest.TestCase):
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307
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11 def testAdd(self):
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12 v = ir.Add(ir.Const(1), ir.Const(2))
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13
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14
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15 class IrBuilderTestCase(unittest.TestCase):
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253
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16 def setUp(self):
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307
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17 self.b = irutils.Builder()
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253
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18 self.m = ir.Module('test')
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19 self.b.setModule(self.m)
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20
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21 def testBuilder(self):
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22 f = self.b.newFunction('add')
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23 self.b.setFunction(f)
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268
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24 bb = self.b.newBlock()
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274
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25 self.b.emit(ir.Jump(bb))
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268
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26 self.b.setBlock(bb)
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272
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27 self.b.emit(ir.Exp(ir.Const(0)))
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274
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28 self.b.emit(ir.Jump(f.epiloog))
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253
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29 self.m.check()
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30 # Run interpreter:
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268
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31 # r = self.m.getFunction('add').call(1, 2)
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253
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32 #self.assertEqual(3, r)
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33
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272
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34
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277
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35 class PatternMatchTestCase(unittest.TestCase):
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36 def testSimpleTree(self):
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37 t = ir.Term('x')
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38 pat = ir.Binop(ir.Const(2), '+', t)
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39 res, mp = ir.match_tree(ir.Binop(ir.Const(2), '+', 3), pat)
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40 self.assertTrue(res)
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41 self.assertIn(t, mp)
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42 self.assertEqual(3, mp[t])
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43
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44 def testSimpleTree2(self):
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45 t = ir.Term('x')
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46 t2 = ir.Term('y')
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47 pat = ir.Binop(ir.Const(2), '+', ir.Binop(t, '-', t2))
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48 res, mp = ir.match_tree(ir.Binop(ir.Const(2), '+', ir.Binop(2,'-',3)), pat)
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49 self.assertTrue(res)
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50 self.assertIn(t, mp)
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51 self.assertEqual(2, mp[t])
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52 self.assertIn(t2, mp)
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53 self.assertEqual(3, mp[t2])
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54 res, mp = ir.match_tree(ir.Const(2), pat)
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55 self.assertFalse(res)
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56
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57
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204
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58 class ConstantFolderTestCase(unittest.TestCase):
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59 def setUp(self):
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307
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60 self.b = irutils.Builder()
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300
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61 self.cf = ConstantFolder()
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237
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62 self.m = ir.Module('test')
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63 self.b.setModule(self.m)
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204
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64
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65 def testBuilder(self):
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66 f = self.b.newFunction('test')
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67 self.b.setFunction(f)
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274
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68 bb = self.b.newBlock()
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69 self.b.emit(ir.Jump(bb))
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70 self.b.setBlock(bb)
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268
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71 v1 = ir.Const(5)
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72 v2 = ir.Const(7)
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73 v3 = ir.Add(v1, v2)
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274
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74 self.b.emit(ir.Jump(f.epiloog))
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279
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75 self.cf.run(self.m)
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237
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76
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77 def testAdd0(self):
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78 f = self.b.newFunction('test')
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79 self.b.setFunction(f)
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268
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80 self.b.setBlock(self.b.newBlock())
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81 v1 = ir.Const(0)
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82 v2 = ir.Const(0)
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83 v3 = ir.Add(v1, v2)
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204
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84
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171
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85
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86
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87
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88 if __name__ == '__main__':
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292
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89 unittest.main()
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252
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90 sys.exit()
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