[PATCH] D80466: [X86] Improve i8 + 'slow' i16 funnel shift codegen

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 265858.
RKSimon added a comment.

Use anyextend and always extend to i32 straight away (as I said i32 funnel shifts as i64 didn't make much sense so I've dropped that generalization).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D80466/new/

https://reviews.llvm.org/D80466

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/fshl.ll
  llvm/test/CodeGen/X86/fshr.ll
  llvm/test/CodeGen/X86/rotate-extract.ll

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