[lit] Bring back `--threads` option alias
authorJulian Lettner <jlettner@apple.com>
Thu, 10 Oct 2019 19:43:57 +0000 (19:43 +0000)
committerJulian Lettner <jlettner@apple.com>
Thu, 10 Oct 2019 19:43:57 +0000 (19:43 +0000)
commitb858895c859712e7c0f4e1c5e0436bd20cbe0c34
treedefa91a51e84f480171913ffdc2a1a0d040ba6ed
parent0e561437c5873a0406fab6dd7e1ba8247847bb92
[lit] Bring back `--threads` option alias

Bring back `--threads` option which was lost in the move of the
command line argument parsing code to cl_arguments.py.  Update docs
since `--workers` is preferred.

llvm-svn: 374432
llvm/docs/CommandGuide/lit.rst
llvm/utils/lit/lit/cl_arguments.py