Summary:
Error handling in StreamExecutor is based on llvm::Error and
llvm::Expected. This CL sets up the StreamExecutor wrapper classes in
the streamexecutor namespace.
All the other StreamExecutor code makes use of this error handling code,
so this is the first CL for checking in StreamExecutor.
Reviewers: jlebar, tra
Subscribers: parallel_libs-commits
Differential Revision: https://reviews.llvm.org/D22687
llvm-svn: 277210
Jason Henline