[PATCH] D110253: [SelectionDAG] Make WidenVecRes_EXTRACT_SUBVECTOR work for scalable vectors.

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck added a comment.

I'd be interested in seeing some RISCV tests to improve the coverage (but I won't block on it)



================
Comment at: llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:4117
+
+    report_fatal_error("Don't know how to widen the result of "
+                       "EXTRACT_SUBVECTOR for scalable vectors");
----------------
Nit: is this message too general now? It implies we can't do anything, ever.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110253/new/

https://reviews.llvm.org/D110253