Targeting Vulkan and SPIR-V

[deadalnix via Digitalmars-d]

On Saturday, 7 March 2015 at 02:18:22 UTC, Iain Buclaw wrote:
> Unlike LDC, GDC doesn't need to be *made* to target anything.  
> It's IR is
> high level enough that you don't need to think (nor care) about 
> your
> backend target.
>
> GCC itself will need a backend to support it though.  ;)
>
> Iain

Why is that unlike LDC ? LLVM IR is fairly high level (for a 
compiler IR), is there some specific blocker you are aware of ?