[PATCH] D123084: BuildLibCalls: infer allocptr attribute for free and realloc() family functions

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

In D123084#3475085 <https://reviews.llvm.org/D123084#3475085>, @durin42 wrote:

> In D123084#3473893 <https://reviews.llvm.org/D123084#3473893>, @nikic wrote:
>
>> Need to handle LibFunc___kmpc_free_shared as well?
>
> No, for two reasons:
>
> 1. The attributes can be specified directly on the declaration in `llvm/Frontend/OpenMP/OMPKinds.def` (see D119583 <https://reviews.llvm.org/D119583>)
>
> 2. `MemoryBuiltins.cpp` never had any logic about `__kmpc_free_shared`: I can't tell if this was a bug or intentional, but what we have today matches the behavior of MemoryBuiltins.cpp.

The reason I asked is that this function is currently listed in https://github.com/llvm/llvm-project/blob/5ee0123642fee177258b0fd99f3fd659be68de60/llvm/lib/Analysis/MemoryBuiltins.cpp#L470. Is it non-functional for some reason?


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