[libcxx-commits] [PATCH] D73223: Splits copy constructor up inlining short initialization, outlining long initialization into __init_copy_ctor_external() which is the externally instantiated slow path.
Martijn Vels via Phabricator via libcxx-commits
libcxx-commits at lists.llvm.org
Wed Jan 22 13:10:05 PST 2020
mvels created this revision.
mvels added a reviewer: EricWF.
Herald added subscribers: libcxx-commits, christof.
Herald added a project: libc++.
Subsequently changing the copy ctor to be inlined (not externally instantiated) provides significant speed ups for short string initialization.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D73223
Files:
libcxx/include/string
libcxx/test/std/strings/basic.string/string.cons/copy_shrunk_long.pass.cpp
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