tree 791a961228e2642e400c00b819289c4c5f1bc050
parent 59d0988c2b0a2640cd38109f2737f9474c5f0c11
author Scott Todd <scotttodd@google.com> 1687819735 -0700
committer GitHub <noreply@github.com> 1687819735 +0000
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List target backends registered by plugins in C API. (#14030)

Follow-up to https://github.com/openxla/iree/pull/13262

Plugins may register target backends, so the global registry does not
reliably enumerate all targets.

The `--iree-hal-list-target-backends` flag callback runs globally,
before session/invocation initialization and plugin activation, so it
was missing the `cuda` backend in its list. I've fixed that by creating
an internal/ephemeral `Session`.

---

Also added a new `--iree-list-plugins` CLI flag.