[PATCH] D154175: [SLP] Fix crash on attempt to access on invalid iterator state.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added a comment.

Could you try this one instead:

  diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  index 82563091f7ce..84c30da74d3d 100644
  --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  @@ -9074,8 +9074,8 @@ Instruction &BoUpSLP::getLastInstructionInBundle(const TreeEntry *E) {
  
     // Set the insert point to the beginning of the basic block if the entry
     // should not be scheduled.
  -  if (E->State != TreeEntry::NeedToGather &&
  -      (doesNotNeedToSchedule(E->Scalars) ||
  +  if (doesNotNeedToSchedule(E->Scalars) ||
  +      (E->State != TreeEntry::NeedToGather &&
          all_of(E->Scalars, isVectorLikeInstWithConstOps))) {
       Instruction *InsertInst;
       if ((E->getOpcode() == Instruction::GetElementPtr &&


Repository:
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  https://reviews.llvm.org/D154175/new/

https://reviews.llvm.org/D154175