[all-commits] [llvm/llvm-project] c31a20: [X86][AVX] Add missing X86ISD::VBROADCAST(v2f64 ->...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c31a2022334e4e94cf547ba6bed2cbced86303f9
      https://github.com/llvm/llvm-project/commit/c31a2022334e4e94cf547ba6bed2cbced86303f9
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-09-09 (Thu, 09 Sep 2021)

  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(v2f64 -> v4f64) isel pattern for AVX1 targets

As discussed on the ticket, I'm intending to add additional 128->256 patterns when we have test coverage, but this addresses a known crash.

Differential Revision: https://reviews.llvm.org/D109434