[PATCH] D115222: [Coroutines] Remove unused coroutine builtin/intrinsics llvm.coro.param (NFC-ish)

[John McCall via Phabricator via cfe-commits]

rjmccall added a reviewer: GorNishanov.
rjmccall added a comment.

I imagine Gor hoped for this optimization to be implemented someday, assuming it's still allowed by the language specification.  Maybe you would be interested in pursuing that?  It sounds like it's really just (1) emitting the intrinsic in the frontend and then (2) checking if the copied parameter variable is actually used after reaching a suspend point, other than in ways that wouldn't happen if the intrinsic returned false.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D115222/new/

https://reviews.llvm.org/D115222