[clang] [llvm] [AMDGPU] Enable sin/cos to sincos folding for HIP (PR #181774)

[Yaxun Liu via cfe-commits]

yxsamliu wrote:

> I'd really rather not do this. I'm working on comprehensively handling library calls. I do not want new instances of direct ocml usage anywhere

do you have a link to your PR for handling lib calls? Or a rough time line? This change is for a P2 JIRA ticket. I can communicate with the reporter to see whether they can wait.

https://github.com/llvm/llvm-project/pull/181774