[PATCH] D141204: [GlobalISel] Extending G_SBFX/G_UBFX combine to consider G_SEXT_INREG as well

[David Ferenc Szabo via Phabricator via llvm-commits]

DavidFerencSzabo added a comment.

In D141204#4035658 <https://reviews.llvm.org/D141204#4035658>, @foad wrote:

> This should be implemented by teaching computeNumSignBits about G_SBFX.

Thanks for the feedback. Upon inspection it turned out that AArch64 does not require that part of the change, hence I removed it.


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