Johannes Doerfert b65471d715 [Attributor][FIX] Visit same instructions with different scopes
If we collect potential values we need to visit a value even if we have
seen it before if the scope is different. The scope is part of the
result after all. Test included.

Fixes https://github.com/llvm/llvm-project/issues/56753

Differential Revision: https://reviews.llvm.org/D131597
2022-08-10 16:02:12 -05:00
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