c0b5000bd8
The former function is particularly optimized for exactly the use case we're interested in: an all-zero buffer. This reduces the overhead of calling this function some 80% or more. This is particularly for instrumenting code heavy with string processing functions, like grep. An invocation of grep with the pattern '[aeiou]k[aeiou]' has its runtime reduced by ~75% with this patch Differential Revision: https://reviews.llvm.org/D84961
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================