[all-commits] [llvm/llvm-project] 518292: [PowerPC] Add the MacroFusion support for Power8

[QingShan Zhang via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 518292dbdfceb496361b1c92e732e2ccf2a55548
      https://github.com/llvm/llvm-project/commit/518292dbdfceb496361b1c92e732e2ccf2a55548
  Author: QingShan Zhang <qshanz at cn.ibm.com>
  Date:   2020-03-12 (Thu, 12 Mar 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/CMakeLists.txt
    M llvm/lib/Target/PowerPC/PPC.td
    A llvm/lib/Target/PowerPC/PPCMacroFusion.cpp
    A llvm/lib/Target/PowerPC/PPCMacroFusion.def
    A llvm/lib/Target/PowerPC/PPCMacroFusion.h
    M llvm/lib/Target/PowerPC/PPCSubtarget.cpp
    M llvm/lib/Target/PowerPC/PPCSubtarget.h
    M llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
    A llvm/test/CodeGen/PowerPC/macro-fusion.ll

  Log Message:
  -----------
  [PowerPC] Add the MacroFusion support for Power8

This patch is intend to implement the missing P8 MacroFusion for LLVM
according to Power8 User's Manual Section 10.1.12 Instruction Fusion

Differential Revision: https://reviews.llvm.org/D70651