[PATCH] D147964: [VPlan] Introduce new entry block to VPlan for early SCEV expansion.

[Ayal Zaks via Phabricator via llvm-commits]

Ayal added inline comments.


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Comment at: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp:614
+
+  void setTripCount(Value *TC) { TripCount = TC; }
 
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Ayal wrote:
> nit: can do w/o setTripCount()? TripCount should conceptually be fixed before/when building VPlan and remain invariant when transforming it.
Ah, this is needed for setting the IR Value TripCount of ILV, for main loop only, during LVP::executePlan() after ILV's construction.
Deserves documentation.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D147964/new/

https://reviews.llvm.org/D147964