search for: r321585

...m.org/pipermail/llvm-dev/2017-December/119995.html) changing the use of sigils in Machine IR. The proposal is to use `&` for external symbols, `$` for physical registers and `%` for virtual registers. ## LLVM commits * A whole bunch of code has been cleaned up through the use of phi ranges. [r321585](https://reviews.llvm.org/rL321585). * Coverage of X86 Machine Code encoding has been further extended. [r321476](https://reviews.llvm.org/rL321476), [r321524](https://reviews.llvm.org/rL321524). ## Clang commits * Clang gained support for configuration files containing driver options. They may...