[PATCH] D122805: [analyzer][ctu] Only import const and trivial VarDecls

Fri Apr 1 01:59:27 PDT 2022

martong added a comment.

In D122805#3420111 <https://reviews.llvm.org/D122805#3420111>, @steakhal wrote:

> In D122805#3419662 <https://reviews.llvm.org/D122805#3419662>, @martong wrote:
>
>> In D122805#3419129 <https://reviews.llvm.org/D122805#3419129>, @steakhal wrote:
>>
>>> Please add a test case where the class is trivial but the global variable of such is non-const, thus the initialized expression is not imported.
>>
>> I've added a new case, but that is not very meaningful, because `clang-extdef-mapping` is not capable of emitting the USR for the non-const variable.
>
> What do you mean by //not capable//?

It uses `cross_tu::shouldImport()` which returns true only for `const` declarations. So, having a hand-written `extDevMapping.txt` that contains an USR for a non-const is not that meaningful, imho.

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https://reviews.llvm.org/D122805