[llvm] [ci] Add ids workflow for checking llvm apis have been annotated with LLVM_ABI (PR #172673)

[Aiden Grossman via llvm-commits]

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@@ -0,0 +1,414 @@
+#!/usr/bin/env python3
+#
+# ====- ids-check-helper, runs ids-check from the ci or in a hook --*- python -*--==#
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boomanaiden154 wrote:

We can probably remove the C++ style header. See e.g. https://github.com/llvm/llvm-project/blob/b9859d05fdf28503fe303c479848ea0ee60c75b3/.ci/metrics/metrics.py#L1-L3

https://github.com/llvm/llvm-project/pull/172673