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204
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1 import unittest, os
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173
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2 import c3, ppci, ir, x86, transform
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204
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3
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4 class ConstantFolderTestCase(unittest.TestCase):
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5 def setUp(self):
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6 self.b = ir.Builder()
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7 self.cf = transform.ConstantFolder()
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237
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8 self.m = ir.Module('test')
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9 self.b.setModule(self.m)
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204
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10
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11 def testBuilder(self):
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12 f = self.b.newFunction('test')
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13 self.b.setFunction(f)
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14 bb = self.b.newBB()
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15 self.b.setBB(bb)
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16 v1 = self.b.newTmp('t')
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17 v2 = self.b.newTmp('t')
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18 v3 = self.b.newTmp('t')
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19 self.b.addIns(ir.ImmLoad(v1, 5))
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20 self.b.addIns(ir.ImmLoad(v2, 7))
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21 self.b.addIns(ir.BinaryOperator(v3, '+', v1, v2))
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237
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22 self.assertEqual(3, len(self.m.Instructions))
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23 self.cf.run(self.m)
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24 self.assertEqual(3, len(self.m.Instructions))
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25 self.assertIsInstance(self.m.Instructions[-1], ir.ImmLoad)
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26 self.assertEqual(12, self.m.Instructions[-1].value)
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27
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28 def testAdd0(self):
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29 f = self.b.newFunction('test')
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30 self.b.setFunction(f)
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31 bb = self.b.newBB()
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32 self.b.setBB(bb)
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33 v1 = self.b.newTmp('t')
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34 v2 = self.b.newTmp('t')
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35 v3 = self.b.newTmp('t')
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36 self.b.addIns(ir.ImmLoad(v2, 0))
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37 self.b.addIns(ir.BinaryOperator(v3, '+', v1, v2))
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204
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38
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171
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39
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40 testsrc = """
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41 package test2;
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42
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175
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43 function void tesssst(int henkie)
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171
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44 {
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175
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45 var int a, b, cee;
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171
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46 a = 2 * 33 - 12;
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47 b = a * 2 + 13;
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48 a = b + a;
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175
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49 cee = a;
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171
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50 if (a > b and b *3 - a+8*b== 3*6-b)
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51 {
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52 var int x = a;
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53 x = b * 2 - a;
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175
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54 a = x * x * add2(x, 22 - a);
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171
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55 }
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56 else
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57 {
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175
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58 a = b + a + add2(a, b);
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171
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59 }
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60 var int y;
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61 y = a - b * 53;
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62 }
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63
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172
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64 function int add2(int x, int y)
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65 {
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66 var int res;
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174
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67 res = x + y + 2 - 7 + 2;
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175
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68 //if (y < 2)
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69 //{
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70 // return y - 33;
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71 //}
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72
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177
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73 res = res + (x + 2 * y) + (x + 2 * y) + (2*8) + (2*8);
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74
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174
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75 if (x > 13)
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76 {
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176
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77 while (y > 1337)
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78 {
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79 res = res + 2;
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80 y = y - 12;
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81 }
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174
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82 }
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172
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83 return res;
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84 }
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85
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171
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86 """
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87
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88 if __name__ == '__main__':
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237
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89 #unittest.main()
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90 #sys.exit()
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171
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91 diag = ppci.DiagnosticsManager()
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92 builder = c3.Builder(diag)
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180
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93 cgenx86 = x86.X86CodeGenSimple(diag)
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171
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94 ir = builder.build(testsrc)
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172
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95 diag.printErrors(testsrc)
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243
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96 ir.dump()
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97 ir.check()
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173
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98 cf = transform.ConstantFolder()
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243
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99 ir.check()
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173
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100 dcd = transform.DeadCodeDeleter()
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243
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101 ir.check()
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175
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102 m2r = transform.Mem2RegPromotor()
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243
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103 ir.check()
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177
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104 clr = transform.CleanPass()
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171
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105 ir.check()
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173
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106 cf.run(ir)
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175
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107 dcd.run(ir)
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177
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108 clr.run(ir)
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175
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109 m2r.run(ir)
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110 #ir.dump()
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176
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111
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112 # Dump a graphiz file:
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113 with open('graaf.gv', 'w') as f:
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114 ir.dumpgv(f)
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115 os.system('dot -Tpdf -ograaf.pdf graaf.gv')
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116
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171
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117 asm = cgenx86.genBin(ir)
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175
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118 #for a in asm:
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119 # print(a)
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171
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120 with open('out.asm', 'w') as f:
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121 f.write('BITS 64\n')
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122 for a in asm:
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123 f.write(str(a) + '\n')
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180
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124 print(a)
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125
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