[libcxx-commits] [PATCH] D144580: [libc++] Inline small constructors into basic_string

Sat Feb 25 06:16:56 PST 2023

philnik marked an inline comment as done.
philnik added a comment.

In D144580#4152448 <https://reviews.llvm.org/D144580#4152448>, @Mordante wrote:

> In general I like this. Did you see a change in binary size or performance with this change?

I don't have a large code base to check, but here is a small example: https://godbolt.org/z/oYj76b78K (everything is implicitly inline because of `constexpr` in C++20)

================
Comment at: libcxx/include/string:995
+                          int> = 0>
   _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS _LIBCPP_CONSTEXPR_SINCE_CXX20
+  basic_string(const _Tp& __t, size_type __pos, size_type __n, const allocator_type& __a = allocator_type())
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Mordante wrote:
> Has this change an effect due to the `_LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS`?
No, I missed these ones in D128081.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144580/new/

https://reviews.llvm.org/D144580