[llvm] [IR] Provide array with poison-generating metadata IDs. (PR #123188)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw approved this pull request.

We can also use this array in ArgumentPromotion:
https://github.com/llvm/llvm-project/blob/8965dd40c63cf00610fcf550017b46dae736d94b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp#L256-L264

https://github.com/llvm/llvm-project/pull/123188