paulwalker-arm added a comment.

@craig.topper can you share RISCV plans around supporting vscale_range?  In 
essence we'd like to deprecate the TTI method and have LLVM IR contain all 
relevant information when is comes to interpreting vscale.

Currently the usage is minimal and so checking both interfaces is not too bad 
but they'll come a point when there's no TTI available and then only the side 
supporting vscale_range can be considered.  There's also the LTO side of things 
where relying on opt/llc flags to set register widths becomes fragile.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D106277/new/

https://reviews.llvm.org/D106277

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