Coroutines have a larger performance overhead to regular functions. If a rr::Coroutine does not call Yield(), then keep it as a regular function, and stub `coroutine_await` and `coroutine_destroy`. Bug: b/135609394 Bug: b/137167505 Change-Id: Id890e86eb3602f9cd9ed4e68e50c68a98705c753 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/33950Reviewed-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Chris Forbes <chrisforbes@google.com> Tested-by: Ben Clayton <bclayton@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
