[PATCH] D57942: [ARM] Add v8m.base pattern for add negative imm

[Sam Parker via Phabricator via llvm-commits]

samparker added a comment.

Before I put this in ISelDAGToDAG, is there a way to reference machine instructions from across different tablegen files..?


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  https://reviews.llvm.org/D57942/new/

https://reviews.llvm.org/D57942