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745a9668d4
Summary: The BFloat IR type is introduced to provide support for, initially, the BFloat16 datatype introduced with the Armv8.6 architecture (optional from Armv8.2 onwards). It has an 8-bit exponent and a 7-bit mantissa and behaves like an IEEE 754 floating point IR type. This is part of a patch series upstreaming Armv8.6 features. Subsequent patches will upstream intrinsics support and C-lang support for BFloat. Reviewers: SjoerdMeijer, rjmccall, rsmith, liutianle, RKSimon, craig.topper, jfb, LukeGeeson, sdesmalen, deadalnix, ctetreau Subscribers: hiraditya, llvm-commits, danielkiss, arphaman, kristof.beyls, dexonsmith Tags: #llvm Differential Revision: https://reviews.llvm.org/D78190