[LLVMdev] help writing an IR targeting backend

[Joshua Cranmer]

On 10/30/2012 6:32 PM, Humphreys, Jonathan wrote:
>
> I’ve got a newbie question and am looking for some pointers.  I want 
> to implement a backend that targets another compiler IR format.  
> Looking through the backend documentation, the infrastructure is 
> stated to be flexible enough to do this (and refers to a hypothetical 
> GCC IR backend).  However, all of the documentation I’ve run across 
> addresses actual ISA targets.  Is there any documentation or examples 
> of IR targeting backends?
>

The closest example I can think of is the NVPTX backend, whose output 
format uses virtual registers (although it doesn't really have any 
types, IIRC).

-- 
Joshua Cranmer
News submodule owner
DXR coauthor

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