[all-commits] [llvm/llvm-project] db50b7: [X86] matchBinaryShuffle - match PACKSS for v2i64 ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: db50b77ed470d98e68fe8dc03d23b044545dbc82
      https://github.com/llvm/llvm-project/commit/db50b77ed470d98e68fe8dc03d23b044545dbc82
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-07-19 (Wed, 19 Jul 2023)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/icmp-abs-C-vec.ll
    M llvm/test/CodeGen/X86/vector-pcmp.ll
    M llvm/test/CodeGen/X86/vsplit-and.ll

  Log Message:
  -----------
  [X86] matchBinaryShuffle - match PACKSS for v2i64 -> v4i32 all-signbits shuffle truncation patterns.

Ideally matchShuffleWithPACK should be able to handle this, but it needs a major rewrite to handle illegal types.


  Commit: ab6ec66642623b515b264daa568fca3fb95dc7e2
      https://github.com/llvm/llvm-project/commit/ab6ec66642623b515b264daa568fca3fb95dc7e2
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2023-07-19 (Wed, 19 Jul 2023)

  Changed paths:
    M llvm/test/Transforms/SLPVectorizer/X86/broadcast.ll
    M llvm/test/Transforms/SLPVectorizer/X86/stacksave-dependence.ll
    M llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll

  Log Message:
  -----------
  [SLP][X86] Regenerate some test checks to reduce diff in D154891


Compare: https://github.com/llvm/llvm-project/compare/a96d4c1ed62f...ab6ec6664262