[clang] [clang codegen] Emit int TBAA metadata on FP math libcall expf (PR #96025)

[via cfe-commits]

vfdff wrote:

hi @efriedma-quic @zahiraam I have rebase the PR base on the top main branch, and also addresss all comments, please help to check any new sugguestion? thanks.

https://github.com/llvm/llvm-project/pull/96025