[PATCH] D99502: [InstructionCost] Don't conflate Invalid costs with Unknown costs.

[Paul Walker via Phabricator via llvm-commits]

paulwalker-arm accepted this revision.
paulwalker-arm added a comment.
This revision is now accepted and ready to land.

I agree, InstructionCost::Invalid is solving a specific problem which is different to "Did not bother computing a real cost".


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D99502/new/

https://reviews.llvm.org/D99502