[LLVMdev] Two new 'llvmnotes'

[Nick Lewycky]

Chris Lattner wrote:
> On Apr 27, 2008, at 10:58 AM, Talin wrote:
> 
>> I would certainly make use of this in my frontend.
>>
>> I suggest the names "getfield" and "setfield" for the two operations,
>>
> 
> I agree that 'get/insertvalue' are pretty generic, and am welcome to  
> suggestions.  Get/set *field* imply that this applies only to structs,  
> but it also works with arrays.  I would actually prefer get/insert  
> *element* but insertelement is already taken.

What's wrong with using insert/extractelement for arrays and structs as 
well as vectors? They're all sequence types.

Nick

>> since (to me anyway) "insert" implies adding something new, as opposed
>> to overwriting an existing value.
> 
> The logic for using insert is that it replaces an element and produces  
> the new aggregate as a whole, it doesn't update something in place  
> (which set implies, at least to me).  'insert' is also useful because  
> of its analogy with 'insertelement', the vector instruction.
> 
> One nice thing about get/setvalue is that they are short :)
> 
> -Chris
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