[PATCH] D53342: [SimplifyLibCalls] Mark known arguments with nonnull

Tue Aug 20 11:53:36 PDT 2019

jdoerfert added a comment.

In D53342#1637822 <https://reviews.llvm.org/D53342#1637822>, @xbolva00 wrote:

> For some cases I would like to copy just attributes for argno 0 - but I dont know to do it :(
>
>   I mean something like this:
>
> NewCI->setAttrubutes(0, CI->getAttributes(0))
>
> Maybe you can help me?

Take the attribute list (`getAttributes()`) then `getParamAttributes(ArgNo)`, then probably foreach `addParamAttr(NewArgNo)`, and then set the attribute list. Make sure to always check that you update the list properly.

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https://reviews.llvm.org/D53342