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

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 14 17:54:50 PDT 2019

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craig.topper added a comment.

This logic was copied from canShiftBinOpWithConstantRHS in InstCombineShifts.cpp


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  rL LLVM

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

https://reviews.llvm.org/D61918

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