[PATCH] D99294: [VPlan] Representing backedge def-use feeding reduction phis.

[Florian Hahn via Phabricator via llvm-commits]

fhahn added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:8687
+    assert(IncR->getNumDefinedValues() == 1);
+    R->addOperand(IncR->getVPValue(0));
+  }
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fhahn wrote:
> Ayal wrote:
> > while we're here: it may be useful to have a "getVPSingleValue()" which would take care of the assert (and the redundant 0)? In any case, the assert deserves an error message.
> Yes that sounds good. I'll push that as a separate commit before landing this change.
Added `getVPSingleValue` in a0e1313c2329


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D99294/new/

https://reviews.llvm.org/D99294