[LLVMdev] Tablegen question

[Bob Wilson]

On Apr 15, 2009, at 9:29 AM, Villmow, Micah wrote:

> I have this intrinsic definition for llvm.
> def int_opencl_math_fdistance_fast   : Intrinsic<[llvm_float_ty],
>                            [llvm_anyfloat_ty, LLVMMatchType<0>]>;
>
>
> Can someone explain  what LLVMMatchType does and how to specify it  
> to match the first argument and not the return value?
>
> I’ve tried LLVMMatchType<1> but it fails in IntrinsicEmitter.cpp

Can you give some more info about how LLVMMatchType<1> fails?  That  
should do what you want.