[all-commits] [llvm/llvm-project] 434819: [PhaseOrdering][X86] Add test coverage for #34072

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 434819c35f4e0168248a30677077fe7c8c8ab29c
      https://github.com/llvm/llvm-project/commit/434819c35f4e0168248a30677077fe7c8c8ab29c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-12-19 (Thu, 19 Dec 2024)

  Changed paths:
    A llvm/test/Transforms/PhaseOrdering/X86/hadd.ll

  Log Message:
  -----------
  [PhaseOrdering][X86] Add test coverage for #34072

Add tests for horizontal add patterns with missing/undemanded elements - which typically prevents folding to the (add (shuffle a, b),(shuffle a, b)) optimal pattern



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