Differentiate between word and subword memory operations as they take different amount of cycles to complete. This just adds a basic model of the subword latency to the scheduler. llvm-svn: 266898
Add the Lanai backend to lib/Target. General Lanai backend discussion on llvm-dev thread "[RFC] Lanai backend" (http://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html). Differential Revision: http://reviews.llvm.org/D17011 llvm-svn: 264578