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The LLVMLinux team made quite some progress in enabling LLVM/clang to build the Linux kernel. There has also been a talk at the Collaboration Summit 2015 in Santa Rosa (slides). So I thought, give it a try and compile a kernel for my ARM based board of choice. The upstream kernel.org Linux kernel is not yet ready to be built using LLVM/clang, some patches are still required. Therefor I used the kernel from the LLVMLinux git server.
The nice thing about LLVM/clang is that it supports multiple targets. The binaries provided by the Arch repositories support several ARM targets:
$ pacman -S clang ... $ llc --version LLVM (http://llvm.org/): LLVM version 3.5.1 Optimized build. Built Jan 14 2015 (03:18:15). Default target: x86_64-unknown-linux-gnu Host CPU: core-avx-i Registered Targets: aarch64 - AArch64 (little endian) aarch64_be - AArch64 (big endian) arm - ARM arm64 - AArch64 (little endian) arm64_be - AArch64 (big endian) armeb - ARM (big endian) ...