[PATCH] D66098: [CostModel] Model all `extractvalue`s as free.

[David Greene via Phabricator via llvm-commits]

greened added a comment.

LGTM, though are we sure this is true for all targets?  The comments in the referenced patch only consider X86.  I'm pretty sure it is true for common architectures like AArch64 but I'm not as sure for more exotic things.


Repository:
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  https://reviews.llvm.org/D66098/new/

https://reviews.llvm.org/D66098