[llvm] InstCombine: Try to use exp10 intrinsic instead of libcall (PR #92287)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> This broke mac and ios targets, with a missing exp10 symbol at link time.

Testcase? That suggest TargetLibraryInfo is incorrectly reporting exp10 as available 

https://github.com/llvm/llvm-project/pull/92287