[PATCH] D93888: [GVN] If zext X == N or sext X == N, then X == trunc N.

[Chenguang Wang via Phabricator via llvm-commits]

wecing added a comment.

I am very confused why NewGVN doesn't seem to propagate switch condition values: https://godbolt.org/z/9a9P51. Some guidance on porting this to NewGVN would be appreciated!


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  https://reviews.llvm.org/D93888/new/

https://reviews.llvm.org/D93888