[PATCH] D83986: GlobalISel: Define InvalidRegBankID enum value

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/utils/TableGen/RegisterBankEmitter.cpp:136
+
+  OS << "InvalidRegBankID = ~0u,\n";
+  unsigned ID = 0;
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paquette wrote:
> Why 0 when it was -1 before?
This is still -1, just the unsigned interpretation. All of the code treats this as unsigned, so to avoid fixing up everywhere that uses these to use int, the enum needs to be switched to unsigned. 


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  https://reviews.llvm.org/D83986/new/

https://reviews.llvm.org/D83986