[PATCH] D110978: [SLP]Improve gathering of the scalars used in the graph.

Alexey Bataev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 29 09:15:31 PST 2021


ABataev added inline comments.


================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:4572
+        // FIXME: Remove this check after correct support for
+        // SK_ExtractSubvector is landed for all targets.
+        if (Idx % NumElts == 0)
----------------
RKSimon wrote:
> What targets are we still missing support for?
AArch64, in many cases switches to the default cost bunch of extracts + bunch of inserts.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110978/new/

https://reviews.llvm.org/D110978



More information about the llvm-commits mailing list