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Unverified Commit 8aeb2fe1 authored by Roman Lebedev's avatar Roman Lebedev
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[InstCombine] Negator: -(X << C) --> X * (-1 << C) 

This shows some regressions in tests, but they are all around GEP's,
so i'm not really sure how important those are.

https://rise4fun.com/Alive/1Gn
parent 8fd57b06
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