[PATCH] D133362: [InstCombine] Fold x + (x | -x) to x & (x - 1)

[Marc Auberer via Phabricator via llvm-commits]

marcauberer marked an inline comment as done.
marcauberer added a comment.

@RKSimon thanks for the review. I've uploaded improvements. Just one question left ...



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Comment at: llvm/test/Transforms/InstCombine/add_or_sub.ll:26
+  ret i8 %add
+}
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RKSimon wrote:
> vector cases? multiuse cases? negative cases?
I just added vector and multi-use cases. How do I do negative cases?


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https://reviews.llvm.org/D133362