[all-commits] [llvm/llvm-project] aa0332: [X86][AVX] Add missing X86ISD::VBROADCAST(v2i64 ->...

Mészáros Gergely via All-commits all-commits at lists.llvm.org
Tue Aug 13 00:06:05 PDT 2024


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: aa03327a463ac4d538127e3fc03476a5f42b2bb1
      https://github.com/llvm/llvm-project/commit/aa03327a463ac4d538127e3fc03476a5f42b2bb1
  Author: Mészáros Gergely <gergely.meszaros at intel.com>
  Date:   2024-08-13 (Tue, 13 Aug 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrSSE.td
    M llvm/test/CodeGen/X86/combine-concatvectors.ll

  Log Message:
  -----------
  [X86][AVX] Add missing X86ISD::VBROADCAST(v2i64 -> v4i64) isel pattern for AVX1 targets (#102853)

An internal bug revealed that this form can be formed from existing
combines, and then fail to select. Use the same pattern as v2f64 ->
v4f64 (the instructions are moving bits around the actual type does not
matter here).



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