Updated Xcode project to build with local LLVM. Autocomplete works.
Updated Xcode project to build with local LLVM.
Autocomplete works.


Former-commit-id: 9fab7aa078e29d52d95734569aa228811e4365ce
darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide