Torok Edwin
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34e6889671
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Prefer to expand mask for xor to -1, so we have a chance to turn it into a not.
If it cannot be expanded, it will keep the old behaviour and try to shrink the constant.
Part of enhancement for PR2191.
llvm-svn: 49280
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2008-04-06 21:23:02 +00:00 |
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