[StreamExecutor] Executor add synchronous methods

Summary:
Add Executor methods that block the host until completion. Since these
methods are host-synchronous, they don't require Stream arguments.

Reviewers: jlebar

Subscribers: jprice, parallel_libs-commits

Differential Revision: https://reviews.llvm.org/D23577

llvm-svn: 279640
GitOrigin-RevId: bb1322d49510ffde956bd7d34117fced7117b636
9 files changed
tree: 6832d3021f1d27f490be6afc930dd80e7034a594
  1. .arcconfig
  2. .clang-format
  3. README.rst
  4. streamexecutor/