This patch implements autovectorization support for the 'all-in-one' histogram intrinsic, which seems to have more support than the 'standalone' intrinsic. See https://discourse.llvm.org/t/rfc-vectorization-support-for-histogram-count-operations/74788/ for an overview of the work and my notes on the tradeoffs between the two approaches.
2.1 KiB
2.1 KiB