[all-commits] [llvm/llvm-project] 01c18f: Revert "[X86] Don't imply -mprfchw when -m3dnow is...

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 01c18f9199ace4cb15a7c82a4163c9ef84972342
      https://github.com/llvm/llvm-project/commit/01c18f9199ace4cb15a7c82a4163c9ef84972342
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-06-25 (Thu, 25 Jun 2020)

  Changed paths:
    M clang/lib/Basic/Targets/X86.cpp
    M clang/test/Preprocessor/predefined-arch-macros.c
    M llvm/lib/Target/X86/X86.td
    M llvm/lib/Target/X86/X86InstrInfo.td
    M llvm/lib/Target/X86/X86Subtarget.h
    M llvm/test/CodeGen/X86/prefetch.ll

  Log Message:
  -----------
  Revert "[X86] Don't imply -mprfchw when -m3dnow is specified. Enable prefetchw in the backend with 3dnow feature."

This is failing on the bots.

This reverts commit 636d31a5c341ff2ca5eefd6075ff059eb60b5a80.