Displaying 2 results from an estimated 2 matches for "4f0d638d".
2013 Jul 31
0
[LLVMdev] creating SCEV taking too long
On Tue, Jul 30, 2013 at 2:20 PM, Andrew Trick <atrick at apple.com> wrote:
>
> On Jul 29, 2013, at 4:08 PM, Guo, Xiaoyi <Xiaoyi.Guo at amd.com> wrote:
>
> Hi,
>
> We have a benchmark where there are 128 MAD computations in a loop. (See the
> attached IR.) Creating SCEVs for these expressions takes a long time, making
> the compile time too long. E.g., running
2013 Jul 30
4
[LLVMdev] creating SCEV taking too long
On Jul 29, 2013, at 4:08 PM, Guo, Xiaoyi <Xiaoyi.Guo at amd.com> wrote:
> Hi,
>
> We have a benchmark where there are 128 MAD computations in a loop. (See the attached IR.) Creating SCEVs for these expressions takes a long time, making the compile time too long. E.g., running opt with the “indvars” pass only takes 45 seconds.
>
> It seems that the majority of the time is