search for: r324004

...oking at implementing support for `-fexec-charset` and `-finput-charset`, and is [seeking feedback](http://lists.llvm.org/pipermail/cfe-dev/2018-January/056721.html). ## LLVM commits * LLVM's policies on library layering and header isolation have been documented in the coding standards doc. [r324004](http://reviews.llvm.org/rL324004). * The sigil for machine IR physical registers is now `$` rather than `%`. [r323922](http://reviews.llvm.org/rL323922). * Support has been added to dsymutil for generating Apple accelerator tables. [r323655](http://reviews.llvm.org/rL323655). * `update_test_che...