[clang] [X86][CIR]Implement handling for F16 halfs to float conversion builtins (PR #173572)

[Andy Kaylor via cfe-commits]

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@@ -446,6 +446,61 @@ static mlir::Value emitX86Muldq(CIRGenBuilderTy &builder, mlir::Location loc,
   return builder.createMul(loc, lhs, rhs);
 }
 
+// Convert F16 halfs to floats.
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andykaylor wrote:

Although Copilot's suggestion is correct in terms of grammar, I wouldn't make the suggested change. The use of `halfs' is awkard though. Perhaps `Convert f16 half values to floats.`

https://github.com/llvm/llvm-project/pull/173572