[all-commits] [llvm/llvm-project] 2e44b0: [X86] Do not directly fold for VINSERTPS (#65718)

Phoebe Wang via All-commits all-commits at lists.llvm.org
Fri Sep 8 00:35:57 PDT 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2e44b07e240b7176a9d08ac84367778f10f7b061
      https://github.com/llvm/llvm-project/commit/2e44b07e240b7176a9d08ac84367778f10f7b061
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2023-09-08 (Fri, 08 Sep 2023)

  Changed paths:
    M llvm/test/CodeGen/X86/avx.ll
    M llvm/test/TableGen/x86-fold-tables.inc
    M llvm/utils/TableGen/X86ManualFoldTables.def

  Log Message:
  -----------
  [X86] Do not directly fold for VINSERTPS (#65718)

We have already customized folding for VINSERTPS by 7e6606f4f1, which do
the folding when alignment >= 4 bytes.

We cannot arbitrarily fold it like others because we need to calculate
the source offset.




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