[all-commits] [llvm/llvm-project] 08bfc9: [SandboxVec][DAG] Avoid unnecessary dependency sca...

[vporpo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 08bfc9b0aeee798052465246d8f7eb01a0eea2db
      https://github.com/llvm/llvm-project/commit/08bfc9b0aeee798052465246d8f7eb01a0eea2db
  Author: vporpo <vporpodas at google.com>
  Date:   2024-10-14 (Mon, 14 Oct 2024)

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

  Log Message:
  -----------
  [SandboxVec][DAG] Avoid unnecessary dependency scan and improve description (#112057)

When NewInterval is below DAGInterval we used to revisit instructions
already visited. This patch fixes this by separating the scan in two:
1. The full scan of the NewInterval, and
2. The cross-interval scan for DAGInterval.

This is further explained in the new description.



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