[PATCH] D123394: [CodeGen] Late cleanup of redundant address/immediate definitions.

[Krzysztof Parzyszek via Phabricator via llvm-commits]

kparzysz added a comment.

In Hexagon we try to find a pre-existing register that we can reuse:
https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp#L286-L333


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