[PATCH] D65921: [X86] Simpily X86OptimizeLEAs and add DSB subtarget feature. NFC

[Pei, Gen via Phabricator via llvm-commits]

gpei created this revision.
gpei added reviewers: wxiao3, LuoYuanke, andrew.w.kaylor, craig.topper, annita.zhang, liutianle, pengfei, xiangzhangllvm.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

1. Move MemOpKey to a indepandent file.
2. Give X86OptmizeLEAs a pass name.
3. Add DSB subtarget feature.


https://reviews.llvm.org/D65921

Files:
  llvm/lib/Target/X86/X86.h
  llvm/lib/Target/X86/X86.td
  llvm/lib/Target/X86/X86MemOpKey.h
  llvm/lib/Target/X86/X86OptimizeLEAs.cpp
  llvm/lib/Target/X86/X86Subtarget.h
  llvm/lib/Target/X86/X86TargetMachine.cpp
  llvm/lib/Target/X86/X86TargetTransformInfo.h

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