[PATCH] D137497: [ArgumentPromotion] Allow the frontend to specify the maximum number of elements to promote on a per-function basis via metadata.

[Patrick Walton via Phabricator via llvm-commits]

pcwalton added a comment.

Looking at this again, there are still quite a few spills that turn into effectively memcpys, so this isn't a panacea, but I'll take a ~25% stack size win. In any case turning the fields into SSA values will probably be a prerequisite for further optimizations.


Repository:
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  https://reviews.llvm.org/D137497/new/

https://reviews.llvm.org/D137497