[all-commits] [llvm/llvm-project] 151ee0: [X86] SimplifyDemandedVectorEltsForTargetNode - en...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 151ee0faad427651304b51b8af77704be26bb485
      https://github.com/llvm/llvm-project/commit/151ee0faad427651304b51b8af77704be26bb485
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-06-20 (Fri, 20 Jun 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx2.ll

  Log Message:
  -----------
  [X86] SimplifyDemandedVectorEltsForTargetNode - ensure X86ISD::VPERMILPV node use v2f64/v4f32 types

When reducing v4f64/v8f32 non-lane crossing X86ISD::VPERMV nodes, we use X86ISD::VPERMILPV nodes for 128-bits, but these are only available for fp types.

Fixes #145046



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