[llvm] [TableGen][GlobalISel] Add GINodeEquiv for sdivrem/udivrem (PR #120819)

[Matt Arsenault via llvm-commits]

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

But you can't select nodes with multiple outputs in tablegen. There's no syntax to match it 

https://github.com/llvm/llvm-project/pull/120819