[all-commits] [llvm/llvm-project] 94a62b: [X86] Add test case showing its not always benefic...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 94a62b3085e35e1a7781c46bccee236255e1ca28
      https://github.com/llvm/llvm-project/commit/94a62b3085e35e1a7781c46bccee236255e1ca28
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-03-10 (Mon, 10 Mar 2025)

  Changed paths:
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx2.ll

  Log Message:
  -----------
  [X86] Add test case showing its not always beneficial to fold concat(pshufb(),pshufb()) -> pshufb(concat(),concat())


  Commit: 88f010a2ebe828a1a3a1faa25b36716e9b45549a
      https://github.com/llvm/llvm-project/commit/88f010a2ebe828a1a3a1faa25b36716e9b45549a
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-03-10 (Mon, 10 Mar 2025)

  Changed paths:
    M llvm/test/CodeGen/X86/combine-pmadd.ll

  Log Message:
  -----------
  [X86] Improve test coverage for concat(pmaddubsw(),pmaddubsw()) -> pmaddubsw(concat(),concat())

Ensure we have tests for both beneficial/non-beneficial concatenation cases


Compare: https://github.com/llvm/llvm-project/compare/52225d270259...88f010a2ebe8

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