[PATCH] [PPC64LE] Remove unnecessary swaps from lane-insensitive vector computations

[Bill Schmidt]

Thanks, Hal.  This revision reverts back to the switch statement, and adds the commentary you asked for.  Thanks for helping me think through trying to do this in TableGen.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D8565

Files:
  lib/Target/PowerPC/CMakeLists.txt
  lib/Target/PowerPC/PPC.h
  lib/Target/PowerPC/PPCInstrAltivec.td
  lib/Target/PowerPC/PPCInstrVSX.td
  lib/Target/PowerPC/PPCTargetMachine.cpp
  lib/Target/PowerPC/PPCVSXSwapRemoval.cpp
  test/CodeGen/PowerPC/swaps-le-1.ll
  test/CodeGen/PowerPC/vsx-ldst-builtin-le.ll
  test/CodeGen/PowerPC/vsx-ldst.ll

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