Displaying 2 results from an estimated 2 matches for "imlplementation".
2017 Jul 25
2
loop canonical variables
...astasiya.ruzhanskaya at frtk.ru>:
>> I call this function and it returns only "i" in my example. Are there any
>> ways to return "j" also?
>
> That would contradict it being the /canonical/ induction variable, wouldn't it?
>
> If you look into the imlplementation of
> getCanonicalInductionVariable(), it just walks the IR instructions and
> checks some conditions. You can have your own implementation that,
> instead of returning the first matching PHI, return all matching PHIs.
> SimplifyIndVar won't try to canonicalize, though.
>
> Mic...
2017 Jul 25
2
loop canonical variables
I call this function and it returns only "i" in my example. Are there any
ways to return "j" also?
2017-07-25 19:11 GMT+02:00 Michael Kruse <llvmdev at meinersbur.de>:
> There is Loop::getCanonicalInductionVariable()
>
> You may need to run the "-indvars" (IndVarSimplify) pass before it
> returns a value. I am not sure it normalizes the step size