[LLVMdev] New to LLVM, Help needed

[Evan Cheng]

Please do a debug build and run it under gdb. Let us know where it is  
asserting and what it is asserting on so we can help you.

Evan

On Sep 7, 2007, at 4:50 PM, Alireza.Moshtaghi at microchip.com wrote:

> Hi,
> I have started to write an llvm backend for one of our  
> microcontrollers (PICxx). I started studying the framework of  
> PowerPc backend of llvm and decided to start by following that  
> framework. Now I have most of the classes and Tblgen files written  
> for a very basic hypothetical microcontroller with very few  
> instructions.
> The project builds and the llc recognizes the new processor,  
> however, when it reaches the point where it wants to lower llvm IR  
> to PICxx DAG, it asserts in LegalizeDAG.cpp in ExpandOp() function  
> after it hits the default case of switch(Node->getOpcode())
> Can someone please help me understand how am I ending up in the  
> default case?
>
> Thanks,
> A.
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