[PATCH] D54472: Disable invalid isPodLike<> specialization

Chandler Carruth via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 18 06:26:26 PST 2019


chandlerc added inline comments.


================
Comment at: docs/ProgrammersManual.rst:1459
 
-#. SmallVector understands ``isPodLike<Type>`` and uses realloc aggressively.
+#. SmallVector understands ``is_trivially_copyable<Type>`` and uses realloc aggressively.
 
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Quuxplusone wrote:
> Bikeshed: This isn't technically an advantage over std::vector, since std::vector also does this. :)
> 
> I do think you should explicitly say `llvm::is_trivially_copyable<Type>` here, to distinguish it from `std::is_trivially_copyable<Type>` (which IIUC should not be used anywhere in the LLVM codebase). But maybe the `llvm::` qualification would be implicitly assumed by people who work with LLVM frequently?
Not all implementations of vector reliably implement this optimization is I think what this is trying to say.


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  https://reviews.llvm.org/D54472/new/

https://reviews.llvm.org/D54472





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