[PATCH] D99294: [VPlan] Representing backedge def-use feeding reduction phis.
Florian Hahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 27 05:51:50 PDT 2021
fhahn added inline comments.
================
Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:4299
// Reductions do not have to start at zero. They can start with
// any loop invariant values.
for (unsigned Part = 0; Part < UF; ++Part) {
----------------
fhahn wrote:
> Ayal wrote:
> > nit: worth hoisting `LoopVectorLatch = LI->getLoopFor(LoopVectorBody)->getLoopLatch()` here.
> > (admittedly independent of this patch)
> I'll do that in a separate commit.
Done in cb96d802d4d7
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99294/new/
https://reviews.llvm.org/D99294
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