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Eric Fiselier 8465ea4440 [libcxx] Optimize away unneeded length calculation in basic_string::compare(const char*)
Summary:
This patch optimizes basic_string::compare to use strcmp when the default char_traits has been given.
See PR19900 for more information. https://llvm.org/bugs/show_bug.cgi?id=19900

Reviewers: mclow.lists

Subscribers: bkramer, cfe-commits

Differential Revision: http://reviews.llvm.org/D12355

llvm-svn: 246266
2015-08-28 03:02:37 +00:00
clang
clang-tools-extra
compiler-rt
debuginfo-tests
libclc
libcxx
libcxxabi
libunwind
lld
lldb
llgo
llvm
openmp
polly