[PATCH] D155638: [llvm-reduce] Reduce function calling convention

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D155638#4531620 <https://reviews.llvm.org/D155638#4531620>, @nikic wrote:

> So the concern here is that if a target doesn't implement it, then it's likely that we'll get a false positive interesting test when run against something like `! llc`? I think for that particular case (CCC not supported) it would be fine to opt-out the relevant calling convention.

Opt out target stuff has been a constant source of pain in llvm. Opt in is a much more manageable system. I don’t see a practical plus to handling anything other than the handful of common CCs (fast, cold, tail)


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