Comment # 5 on bug 92709 from Matt Arsenault

(In reply to Nicolai Hähnle from comment #4)
> Sure, I can look into that.
> 
> Matt, just to clarify: You mean adding a generic ISD::FLDEXP to
> ISDOpcodes.h, together with assorted tests and changes in the generic
> CodeGen infrastructure, right?

Yes. This should be pretty trivial to do.

Alternatively, it would probably be better to have an ldexp llvm intrinsic
(which would also have the corresponding ISD::FLDEXP). It seems bizarre that an
llvm intrinsic would ever be changed to something involving a library call.