[LLVMdev] X + 0.0

[Dale Johannesen]

On Jul 26, 2010, at 2:52 PMPDT, Jochen Wilhelmy wrote:
>> Currently we don't do any unsafe-math opts in InstCombine.  Not  
>> sure if this is policy or if it's just that nobody's implemented it.
>>
> perhaps in can be implemented using the existing flag -enable-unsafe- 
> fp-math.
> what do you think?

I don't see any good reason these opts shouldn't be in InstCombine.   
Last time I looked that flag wasn't easily accessible in InstCombine  
but it looks like that might have been fixed.