[all-commits] [llvm/llvm-project] 42e025: [X86] Disable rematerializion for PTILELOADDV

[Pengfei Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 42e025f9deab39717738e98309370c6df851b1c6
      https://github.com/llvm/llvm-project/commit/42e025f9deab39717738e98309370c6df851b1c6
  Author: Wang, Pengfei <pengfei.wang at intel.com>
  Date:   2021-02-27 (Sat, 27 Feb 2021)

  Changed paths:
    M llvm/lib/Target/X86/X86InstrAMX.td
    M llvm/lib/Target/X86/X86InstrInfo.cpp
    M llvm/test/CodeGen/X86/AMX/amx-across-func.ll

  Log Message:
  -----------
  [X86] Disable rematerializion for PTILELOADDV

Per the discussion in D97453. We currently disable it due to it's not a
common scenario and has some problem in implementation.

Differential Revision: https://reviews.llvm.org/D97453