Thanks for the help. It's a target-dependent intrinsic for a custom LLVM pass. Probably not worth hacking the Swift compiler for now. A downside is that I have to wrap the intrinsic in a header for different numbers of arguments and different arg types.
-Richard On Apr 11, 2017, at 16:46, John McCall <rjmcc...@apple.com> wrote: >> On Apr 11, 2017, at 5:33 PM, Slava Pestov via swift-dev >> <swift-dev@swift.org> wrote: >> Please don’t use @_silgen_name. Soon it will only be available within the >> standard library. >> >> Instead, write C wrappers around your intrinsics and create a Clang module >> that you can import from Swift. If you define the wrappers as static inline >> functions in a header file there won’t be any runtime overhead. > > If this is a real LLVM IR intrinsic, it's probably better hack the compiler > to add a Builtin function. But, as always, What Are You Trying To Do? > > John. > > >> >> Slava >> >>> On Apr 11, 2017, at 2:27 PM, Richard Wei via swift-dev >>> <swift-dev@swift.org> wrote: >>> >>> Hello, >>> >>> I’m trying to declare (using _silgen_name) a Swift function that maps onto >>> an IR intrinsic with argument (i32, …). Is there a way to emit the exact >>> variadic function from Swift? >>> >>> -Richard >>> _______________________________________________ >>> swift-dev mailing list >>> swift-dev@swift.org >>> https://lists.swift.org/mailman/listinfo/swift-dev >> >> _______________________________________________ >> swift-dev mailing list >> swift-dev@swift.org >> https://lists.swift.org/mailman/listinfo/swift-dev > _______________________________________________ swift-dev mailing list swift-dev@swift.org https://lists.swift.org/mailman/listinfo/swift-dev
