[LLVMdev] Possible Bad Assertion in Value.cpp

[John Criswell]

Chris Lattner wrote:
>>> You probably have an instruction that you removed from the module but
>>> didn't delete.  The module dtor works fine: it uses
>>> 'dropAllReferences' to clear the operands of instructions before
>>> deleting the instructions themselves.
>>>
>>>       
>> Okay.  I wasn't aware I had to delete unneeded values as well as
>> remove
>> them.  I'll try that.
>>     
>
> The convention is that 'remove' unlinks the object from the IR, and
> 'erase' does remove and deletes the result.
>
> If someone wants to clarify this behavior in http://llvm.org/docs/ProgrammersManual.html#common
> , it would be nice :)
>   
No, I understood that part (granted, I read DoxyGen).  The part I didn't 
understand is that I'm required to erase an instruction that should have 
no more uses before deleting the Module.

If I get time, I can try to add some text about it.

-- John T.

> -Chris
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