[PATCH] D143422: [LV][SVE] Don't consider vector types for loop invariants when calculating register usage

[Sushant Gokhale via Phabricator via llvm-commits]

sushgokh created this revision.
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Previously, while calculating register usage due to invariants, all VFs were considered  resulting in illegal vector type
e.g. for the mentioned test case, nxv4i128  cant be legalized.

This patch overcomes this issue. Fixes issue 60493


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143422

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/sve-invariant-legalization.ll

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