[PATCH] D68128: [InstCombine] Fold PHIs with equal incoming pointers

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

I didn't step through the entire patch/tests, but the first few examples are flattened/simplified by -simplifycfg. Would it be better to look there to add the missing functionality? Is there a test in this patch that shows a case that simplifycfg can't already flatten?


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  https://reviews.llvm.org/D68128/new/

https://reviews.llvm.org/D68128