Massimiliano Culpo 41fb0395a6 Microarchitecture specific optimizations for LLVM (#13250) ... * Added architecture specific optimization flags for Clang / LLVM * Disallow compiler optimizations for mixed toolchains * We emit a warning when building for a mixed toolchain * Fixed issues with suffixed versions of compilers; Apple's Clang will, for the time being, fall back on x86-64 for every compilation.		2019-10-19 13:19:29 -07:00
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spack	Microarchitecture specific optimizations for LLVM (#13250)	2019-10-19 13:19:29 -07:00