[all-commits] [llvm/llvm-project] 2bf7dd: [X86] Add vector truncation tests for nsw/nuw flags

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2bf7ddf06f773277fcfef58a3cd8c32a161ce36a
      https://github.com/llvm/llvm-project/commit/2bf7ddf06f773277fcfef58a3cd8c32a161ce36a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-04-03 (Wed, 03 Apr 2024)

  Changed paths:
    A llvm/test/CodeGen/X86/vector-trunc-nowrap.ll

  Log Message:
  -----------
  [X86] Add vector truncation tests for nsw/nuw flags

Based off #85592 - our truncation -> PACKSS/PACKUS folds should be able to use the nsw/nuw flags to recognise when we don't need to mask/sext_inreg prior to the PACKSS/PACKUS nodes.



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