[PATCH] D58757: Add a version of the pass_object_size attribute that works with builtin_dynamic_object_size

Erik Pilkington via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Mar 15 15:58:11 PDT 2019


erik.pilkington added inline comments.


================
Comment at: clang/include/clang/Basic/Attr.td:1570
+def PassDynamicObjectSize : InheritableParamAttr {
+  let Spellings = [Clang<"pass_dynamic_object_size">];
+  let Args = [IntArgument<"Type">];
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aaron.ballman wrote:
> Why use a separate attribute as opposed to a separate spelling and an accessor on `PassObjectSizeAttr` to ask whether it's dynamic or not? The two attributes seem to have identical semantics aside from which builtin is called, so I think it makes sense to use the same semantic attribute type.
Oh, I didn't even know that was possible. I guess thats why `Spellings` is an array :). That simplifies the implementation too, now we can ditch `getPassObjectSizeInfo`. 


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58757/new/

https://reviews.llvm.org/D58757





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