[PATCH] D61918: [DAGCombiner] visitShiftByConstant(): drop bogus(?) signbit check

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D61918#1502313 <https://reviews.llvm.org/D61918#1502313>, @craig.topper wrote:

> This logic was copied from canShiftBinOpWithConstantRHS in InstCombineShifts.cpp


Aha, that makes sense. Posted D61938 <https://reviews.llvm.org/D61938>.


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  rL LLVM

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  https://reviews.llvm.org/D61918/new/

https://reviews.llvm.org/D61918