[all-commits] [llvm/llvm-project] a98c29: [X86] Handle multiple use freeze(undef) in LowerAV...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a98c2940dbc04bf84de95cb1893694cdcbc4f5fe
      https://github.com/llvm/llvm-project/commit/a98c2940dbc04bf84de95cb1893694cdcbc4f5fe
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2025-02-26 (Wed, 26 Feb 2025)

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

  Log Message:
  -----------
  [X86] Handle multiple use freeze(undef) in LowerAVXCONCAT_VECTORS as zero vectors (#128830)

Follow up of
https://github.com/llvm/llvm-project/commit/ee52af74d8e5e3083cf5195d11c92f8df95b8072
Handles the multiple use come from different vectors:
https://godbolt.org/z/GMb3Endhr



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