[PATCH] D96547: [LoopVectorize] Let selectVectorizationFactor choose a scalable VF.
Sander de Smalen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 11 14:00:13 PST 2021
sdesmalen created this revision.
Herald added subscribers: bmahjour, hiraditya.
sdesmalen requested review of this revision.
Herald added a project: LLVM.
This patch changes the algorithm of `selectVectorizationFactor` to
iterate all power of 2 VFs between Min/MaxFactor, for both fixed
and scalable Min/MaxFactor VFs. It then invokes the cost-model as
normal, and selects the most cost-effective VF to vectorize the
loop.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D96547
Files:
llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
llvm/test/Transforms/LoopVectorize/AArch64/scalable-vf-analysis.ll
llvm/test/Transforms/LoopVectorize/AArch64/scalable-vf-hint.ll
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D96547.323144.patch
Type: text/x-patch
Size: 8815 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20210211/53c27cb8/attachment.bin>
More information about the llvm-commits
mailing list