Sanjay Patel
c2e1e6fe21
[InstCombine] fold mul of zext bools to 'and' ...
The base case only works because we are relying on a
poison-unsafe select transform; if that is fixed, we
would regress on patterns like this.
The extra use tests show that the select transform can't
be applied consistently. So it may be a regression to have
an extra instruction on 1 test, but that result was not
created safely and does not happen reliably.
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c2e1e6fe21