[PATCH] D25601: DAGCombiner: fix use-after-free when merging consecutive stores

[Nicolai Hähnle via llvm-commits]

nhaehnle created this revision.
nhaehnle added reviewers: chandlerc, bogner.
nhaehnle added a subscriber: llvm-commits.

Have MergeConsecutiveStores explicitly return information about the stores
that were merged, so that we can safely determine whether the starting
node has been freed.


https://reviews.llvm.org/D25601

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp

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