[all-commits] [llvm/llvm-project] a35b21: [NFC][X86] Add exhaustive-ish coverage for broadca...

[Roman Lebedev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a35b216290c574f80b7620d888fc049757d2fa94
      https://github.com/llvm/llvm-project/commit/a35b216290c574f80b7620d888fc049757d2fa94
  Author: Roman Lebedev <lebedev.ri at gmail.com>
  Date:   2022-12-30 (Fri, 30 Dec 2022)

  Changed paths:
    A llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast.ll
    A llvm/test/CodeGen/X86/any_extend_vector_inreg_of_broadcast_from_memory.ll
    A llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast.ll
    A llvm/test/CodeGen/X86/zero_extend_vector_inreg_of_broadcast_from_memory.ll

  Log Message:
  -----------
  [NFC][X86] Add exhaustive-ish coverage for broadcast of implicitly aext/zext element

Some of these even crash instruction selection for AVX512.
This is one of the patterns that comes up as regressions
with more aggressive ZERO_EXTEND_VECTOR_INREG recognition.

https://godbolt.org/z/x88aqfrT5