According to the OpenMP standard, compiler must define _OPENMP macro,
which has value in format yyyymm, where yyyy is the year of the standard
and mm is the month of the standard. For OpenMP 5.0 this value must be
set to 201811.
llvm-svn: 368170
This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.