The Function can never be nullptr so we can return a reference. llvm-svn: 320884
All these headers already depend on CodeGen headers so moving them into CodeGen fixes the layering (since CodeGen depends on Target, not the other way around). llvm-svn: 318490
Add the ARC backend as an experimental target to lib/Target. Reviewed at: https://reviews.llvm.org/D36331 llvm-svn: 311667