[PATCH] D62831: [CodeGen][ObjC] Add attribute "arc_retain_agnostic" to ObjC globals that are retain-agnostic

[Michael Gottesman via Phabricator via cfe-commits]

gottesmm added a comment.

This is exactly what I was imagining! This will enable the frontend to opt into this optimization without having to touch the optimizer. One nit: can we use a different name than "arc_retain_agnostic". Have you considered something like "arc_inert"? My fear is that at a glance (without thinking), you would think that the attribute would have something only to do with retain when we are really talking about ARC value operations. Beyond that looks great!


Repository:
  rC Clang

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  https://reviews.llvm.org/D62831/new/

https://reviews.llvm.org/D62831