am 27f94f2e: Merge "Use multithread while compiling LLVM bitcode." into ics-mr1-plus-art
am 27f94f2e: Merge "Use multithread while compiling LLVM bitcode." into ics-mr1-plus-art

* commit '27f94f2e7ad46f9e4d9d518a1dc3d1edf62a6953':
  Use multithread while compiling LLVM bitcode.

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst