[llvm-commits] [llvm] r76495 - /llvm/trunk/docs/LangRef.html
baldrick at free.fr
Wed Jul 22 03:23:30 CDT 2009
Chris Lattner wrote:
> On Jul 20, 2009, at 3:41 PM, Dan Gohman wrote:
>> Author: djg
>> Date: Mon Jul 20 17:41:19 2009
>> New Revision: 76495
>> URL: http://llvm.org/viewvc/llvm-project?rev=76495&view=rev
>> Documentation for the new non-overflow and exact keywords.
> Dan, is "signed add" really the best mnemonic for this? This doesn't
> imply "undefined on overflow" to me at all. What about something like:
> %X = add undef_s i32 %A, %B
> or something like that? CAn you really have "%X = add signed unsigned
> i32 %A, %B"?
how about no_s_overflow? The problem with undef_s is that it doesn't
give much of a clue to why you are getting undef.
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