[clang] [llvm] [WebAssembly] Implement f16x8.replace_lane instruction. (PR #99388)

[Brendan Dahl via cfe-commits]

================
@@ -702,6 +702,19 @@ defm "" : ReplaceLane<I64x2, 30>;
 defm "" : ReplaceLane<F32x4, 32>;
 defm "" : ReplaceLane<F64x2, 34>;
 
+// For now use an instrinsic for f16x8.replace_lane instead of ReplaceLane above
+// since LL generated with half type arguments is not well supported and creates
----------------
brendandahl wrote:

Yeah, I'll update.

https://github.com/llvm/llvm-project/pull/99388