[all-commits] [llvm/llvm-project] 1c207f: [SandboxVec][DAG] Fix DAG when old interval is mem...

[vporpo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1c207f1b6e8bba69dfbbcbd72704b4d720e363d0
      https://github.com/llvm/llvm-project/commit/1c207f1b6e8bba69dfbbcbd72704b4d720e363d0
  Author: vporpo <vporpodas at google.com>
  Date:   2025-02-12 (Wed, 12 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SandboxVectorizer/DependencyGraph.cpp
    M llvm/unittests/Transforms/Vectorize/SandboxVectorizer/DependencyGraphTest.cpp

  Log Message:
  -----------
  [SandboxVec][DAG] Fix DAG when old interval is mem free (#126983)

This patch fixes a bug in `DependencyGraph::extend()` when the old
interval contains no memory instructions. When this is the case we
should do a full dependency scan of the new interval.



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