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comparison python/testir.py @ 171:3eb9b9e2958d

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Improved IR code
author Windel Bouwman
date Wed, 03 Apr 2013 22:20:20 +0200
parents
children 5a7d37d615ee
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170:4348da5ca307 171:3eb9b9e2958d
1 import c3, ppci, ir, x86
2 import os
3
4 testsrc = """
5 package test2;
6
7 function void tst()
8 {
9 var int a, b;
10 a = 2 * 33 - 12;
11 b = a * 2 + 13;
12 a = b + a;
13 if (a > b and b *3 - a+8*b== 3*6-b)
14 {
15 var int x = a;
16 x = b * 2 - a;
17 a = x * x;
18 }
19 else
20 {
21 a = b + a;
22 }
23 var int y;
24 y = a - b * 53;
25 }
26
27 """
28
29 if __name__ == '__main__':
30 diag = ppci.DiagnosticsManager()
31 builder = c3.Builder(diag)
32 cgenx86 = x86.X86CodeGen(diag)
33 ir = builder.build(testsrc)
34 ir.check()
35 ir.analyze()
36 #ir.constantProp()
37 ir.dump()
38 asm = cgenx86.genBin(ir)
39 for a in asm:
40 print(a)
41 with open('out.asm', 'w') as f:
42 f.write('BITS 64\n')
43 for a in asm:
44 f.write(str(a) + '\n')
45
46 # Dump a graphiz file:
47 with open('graaf.gv', 'w') as f:
48 ir.dumpgv(f)
49 os.system('dot -Tpdf -ograaf.pdf graaf.gv')
50
51