[clang] [AMDGPU][clang] provide device implementation for __builtin_logb and … (PR #129347)

[via cfe-commits]

choikwa wrote:

> clang should never emit a call to an ocml function

Would IR body of the ocml function be a suitable replacement to emit (for now)?

I understand once we have libm/libc implementation, clang can decide between the two.

https://github.com/llvm/llvm-project/pull/129347