[PATCH] D37343: [CGP] Merge empty case blocks if no extra moves are added.

[Balaram Makam via Phabricator via llvm-commits]

bmakam updated this revision to Diff 117093.
bmakam added a comment.

Use batch updater to inform DT about CFG updates.


https://reviews.llvm.org/D37343

Files:
  lib/CodeGen/CodeGenPrepare.cpp
  test/Transforms/CodeGenPrepare/skip-merging-case-block.ll

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