And I would also suggest to come up with parameter that will
drive minimum probability, maximum number of promotions and
maybe minimal number of edge executions to consider a speculation.
Clang provides all these:
https://github.com/microsoft/llvm-1/blob/master/lib/Analysis/IndirectCallPromotionAn
On 7/31/19 7:29 AM, luoxhu wrote:
> This patch aims to fix PR69678 caused by PGO indirect call profiling
> performance issues.
> The bug that profiling data is never working was fixed by Martin's pull
> back of topN patches, performance got GEOMEAN ~1% improvement.
> Still, currently the default pr
This patch aims to fix PR69678 caused by PGO indirect call profiling
performance issues.
The bug that profiling data is never working was fixed by Martin's pull
back of topN patches, performance got GEOMEAN ~1% improvement.
Still, currently the default profile only generates SINGLE indirect target
