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204
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1 import unittest, os
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252
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2 import sys
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173
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3 import c3, ppci, ir, x86, transform
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204
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4
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5 class ConstantFolderTestCase(unittest.TestCase):
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6 def setUp(self):
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7 self.b = ir.Builder()
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8 self.cf = transform.ConstantFolder()
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237
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9 self.m = ir.Module('test')
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10 self.b.setModule(self.m)
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204
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11
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12 def testBuilder(self):
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13 f = self.b.newFunction('test')
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14 self.b.setFunction(f)
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15 bb = self.b.newBB()
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16 self.b.setBB(bb)
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17 v1 = self.b.newTmp('t')
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18 v2 = self.b.newTmp('t')
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19 v3 = self.b.newTmp('t')
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20 self.b.addIns(ir.ImmLoad(v1, 5))
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21 self.b.addIns(ir.ImmLoad(v2, 7))
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22 self.b.addIns(ir.BinaryOperator(v3, '+', v1, v2))
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237
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23 self.assertEqual(3, len(self.m.Instructions))
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24 self.cf.run(self.m)
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25 self.assertEqual(3, len(self.m.Instructions))
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26 self.assertIsInstance(self.m.Instructions[-1], ir.ImmLoad)
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27 self.assertEqual(12, self.m.Instructions[-1].value)
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28
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29 def testAdd0(self):
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30 f = self.b.newFunction('test')
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31 self.b.setFunction(f)
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32 bb = self.b.newBB()
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33 self.b.setBB(bb)
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34 v1 = self.b.newTmp('t')
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35 v2 = self.b.newTmp('t')
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36 v3 = self.b.newTmp('t')
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37 self.b.addIns(ir.ImmLoad(v2, 0))
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38 self.b.addIns(ir.BinaryOperator(v3, '+', v1, v2))
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204
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39
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171
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40
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41 testsrc = """
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42 package test2;
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43
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175
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44 function void tesssst(int henkie)
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171
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45 {
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175
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46 var int a, b, cee;
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171
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47 a = 2 * 33 - 12;
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48 b = a * 2 + 13;
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49 a = b + a;
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175
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50 cee = a;
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252
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51 cee = cee * 2 + a + cee * 2;
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52 if (cee + a > b and b *3 - a+8*b== 3*6-b)
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171
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53 {
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54 var int x = a;
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55 x = b * 2 - a;
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252
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56 a = x * x * (x + 22 - a);
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171
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57 }
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58 else
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59 {
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252
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60 a = b + a + (a + b);
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171
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61 }
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62 var int y;
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63 y = a - b * 53;
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64 }
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252
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65 """
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171
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66
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252
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67 testsrc2 = """
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172
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68 function int add2(int x, int y)
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69 {
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70 var int res;
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174
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71 res = x + y + 2 - 7 + 2;
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175
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72 //if (y < 2)
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73 //{
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74 // return y - 33;
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75 //}
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76
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177
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77 res = res + (x + 2 * y) + (x + 2 * y) + (2*8) + (2*8);
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78
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174
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79 if (x > 13)
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80 {
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176
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81 while (y > 1337)
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82 {
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83 res = res + 2;
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84 y = y - 12;
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85 }
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174
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86 }
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172
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87 return res;
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88 }
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89
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171
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90 """
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91
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92 if __name__ == '__main__':
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252
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93 #unittest.main()
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94 #sys.exit()
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95 diag = ppci.DiagnosticsManager()
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96 builder = c3.Builder(diag)
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97 cgenx86 = x86.X86CodeGenSimple(diag)
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98 ir = builder.build(testsrc)
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99 diag.printErrors(testsrc)
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100 ir.check()
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101 ir.dump()
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102 transform.optimize(ir)
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103 print('dump IR')
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104 print('dump IR')
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105 print('dump IR')
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106 print('dump IR')
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107 ir.dump()
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176
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108
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252
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109 # Dump a graphiz file:
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110 with open('graaf.gv', 'w') as f:
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176
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111 ir.dumpgv(f)
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252
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112 os.system('dot -Tsvg -ograaf.svg graaf.gv')
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176
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113
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252
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114 sys.exit()
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115 asm = cgenx86.genBin(ir)
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116 #for a in asm:
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117 # print(a)
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118 with open('out.asm', 'w') as f:
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171
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119 f.write('BITS 64\n')
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120 for a in asm:
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121 f.write(str(a) + '\n')
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180
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122 print(a)
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123
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