[PATCH] D133313: [Assignment Tracking][18/*] Account for assignment tracking in LICM

[Orlando Cazalet-Hyams via Phabricator via llvm-commits]

Orlando created this revision.
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Herald added subscribers: asbirlea, hiraditya.
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Merge `DIAssignID` attachments on stores that are merged and sunk out of loops. The store may be sunk into multiple exit blocks, and in this case all the copies of the store get the same `DIAssignID`.


https://reviews.llvm.org/D133313

Files:
  llvm/lib/Transforms/Scalar/LICM.cpp
  llvm/test/DebugInfo/Generic/assignment-tracking/licm/merge.ll
  llvm/test/DebugInfo/Generic/assignment-tracking/licm/multi-exit.ll

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