Displaying 2 results from an estimated 2 matches for "bf035ec5".
2013 Apr 26
0
[LLVMdev] 'loop invariant code motion' and 'Reassociate Expression'
Hi Andrew, Shuxin,
Thanks for the explanation about 'Reassociate'.
The problem is indeed that one of the variables, becomes loop invariant after
some of the loop transformations.
> -----Original Message-----
> From: Andrew Trick [mailto:atrick at apple.com]
[...]
> Right. Reassociate ranks expressions by their order in the IR, so shouldn't
> make matters worse, but it
2013 Apr 25
3
[LLVMdev] 'loop invariant code motion' and 'Reassociate Expression'
On Apr 23, 2013, at 10:37 AM, Shuxin Yang <shuxin.llvm at gmail.com> wrote:
> As far as I can understand of the code, the Reassociate tries to achieve this result by its "ranking" mechanism.
>
> If it dose not, it is not hard to achieve this result, just restructure the expression in a way such that
> the earlier definition of the sub-expression is permute earlier in