[PATCH] D127279: [SelectionDAG] Handle bzero/memset libcalls globally instead of per target

[Clement Courbet via Phabricator via llvm-commits]

courbet added a comment.

In general I think this makes a lot more sense.

At first I though that targets that previously did not use `bzero` (e.g. Arm, SystemZ) would start emitting it. However I had a look at the availability of `bzero`: it looks like only darwin x86 on MacOSX>10.6 and darwin aarch64 have it, so this looks like a noop.


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  https://reviews.llvm.org/D127279/new/

https://reviews.llvm.org/D127279