[all-commits] [llvm/llvm-project] 07d68c: [X86] Remove isel patterns that matched vXi16 X86V...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 07d68c24aa19483e44db4336b0935b00a5d69949
      https://github.com/llvm/llvm-project/commit/07d68c24aa19483e44db4336b0935b00a5d69949
  Author: Craig Topper <craig.topper at gmail.com>
  Date:   2020-03-08 (Sun, 08 Mar 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrAVX512.td
    M llvm/lib/Target/X86/X86InstrSSE.td
    M llvm/test/CodeGen/X86/vector-sext.ll

  Log Message:
  -----------
  [X86] Remove isel patterns that matched vXi16 X86VBroadcast with i8->i16 aextload input.

This was selecting VBROADCASTW which turned the 8-bit load into
a 16-bit load if it happened to be 2 byte aligned.

I have a plan to fix the regression with a follow up patch
which I'll post shortly.