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https://github.com/ethereum/solidity
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27 lines
307 B
Python
27 lines
307 B
Python
from rule import Rule
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from opcodes import *
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"""
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Rule:
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SUB(~0, X) -> NOT(X)
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Requirements:
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"""
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rule = Rule()
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n_bits = 256
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# Input vars
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X = BitVec('X', n_bits)
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# Constants
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ZERO = BitVecVal(0, n_bits)
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# Non optimized result
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nonopt = SUB(~ZERO, X)
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# Optimized result
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opt = NOT(X)
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rule.check(nonopt, opt)
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