[LLVMdev] PHINode containing itself causes segfault when compiling Blender OpenCL kernel with R600 backend

[vitalif at yourcmc.ru]

> Can you file a bug for this at bugs.freedesktop.org and post the output
> of blender with the environment variable R600_DEUBG=cs,compute

OK, I'll do that soon (in several hours). I've looked at that output by 
myself, the blender kernel llvm assembly dump was there. I can also 
provide the stack traces of the crash...

But can you give me a hint about the PHINode? What does it mean when it 
contains itself?..

--
With best regards,
   Vitaliy Filippov