[clang] [llvm] [WebAssembly,llvm] Add llvm.wasm.ref.test.func intrinsic (PR #147076)

[Hood Chatham via llvm-commits]

hoodmane wrote:

Okay I opened https://github.com/llvm/llvm-project/pull/147486/ with a second option. I think that's a bit cleaner, I modified SelectionDAG to be able to emit CImm arguments rather than going to all this trouble to avoid it.

https://github.com/llvm/llvm-project/pull/147076