[PATCH] D114962: [Support] improve known bits analysis for multiply by power-of-2 (1 set bit)

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D114962#3176934 <https://reviews.llvm.org/D114962#3176934>, @lebedev.ri wrote:

> Is there an exhaustive test for this method?

I found this:
https://github.com/llvm/llvm-project/blob/e9fae0f19eec1fce746101b410d2345f0fbf89b4/llvm/unittests/Support/KnownBitsTest.cpp#L233

And it did catch a bug in an early draft of this patch, so it seems to be working.


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