[PATCH] D81256: Upgrade TypePromotionTransaction to be able to report changes in CodeGenPrepare

[serge via Phabricator via llvm-commits]

serge-sans-paille created this revision.
serge-sans-paille added reviewers: qcolombet, nikic, foad, jdoerfert.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

optimizeMemoryInst was advocating no change while still modifying the IR.

  Inspect the status of TypePromotionTransaction to get a better status.

Related to https://reviews.llvm.org/D80916


https://reviews.llvm.org/D81256

Files:
  llvm/lib/CodeGen/CodeGenPrepare.cpp

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