[LLVMdev] promotion of return value.

Chris Lattner clattner at apple.com
Wed Apr 1 14:19:04 PDT 2009

On Mar 31, 2009, at 12:04 PM, Rafael Espindola wrote:
>> Did you see this Ali?
>> http://nondot.org/sabre/LLVMNotes/ExtendedIntegerResults.txt
> Would you mind adding it to SVN? Would make it easier
> to comment on. In particular, it would be nice to add
> examples for X86 (caller extends. High bits undefined
> in the callee) and PPC (callee extends).

Sure, I checked it in here:

It's not a great long term location, but should be fine in the meantime.

Ali said:
Could you please add that stuff to your proposal as well? Defining the  
textual syntax of how these attrs would be used will eliminate many  
ambiguities in the discussion.

I think syntax along the lines of signext(13) and zeroext(13) would  
make sense.

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