[llvm] [InstCombine] Missed optimization: Fold (sext(a) & c1) == c2 to (a & c3) == trunc(c2) (PR #112646)

[Lee Wei via llvm-commits]

leewei05 wrote:

> The PR is coming along, think you have the right approach now and after another cycle or so if reviews should be good to merge.

@XChy @goldsteinn 
Thanks for the suggestions! I've updated the PR, please take another look!


https://github.com/llvm/llvm-project/pull/112646