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Unverified Commit e465f9c3 authored by Roman Lebedev's avatar Roman Lebedev
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[InstCombine] Negator: - (C - %x) --> %x - C (PR47997) 

This relaxes one-use restriction on that `sub` fold,
since apparently the addition of Negator broke
preexisting `C-(C2-X) --> X+(C-C2)` (with C=0) fold.
parent f8cf6d02
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