[libc-commits] [libc] [libc][math][c23] Add exp2m1f16 C23 math function (PR #105690)

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overmighty wrote:

> exp2 should be correctly lowered and it's just a bug if it's not. Is the bug in whatever this emitted or the llvm.exp2.f16 lowering? Can you post IR/ISA output?

Sorry for the (long) delay, here's the IR output: https://gist.github.com/overmighty/20ec6b34f36d6b02c8009d85fa6e0794.

https://github.com/llvm/llvm-project/pull/105690