[PATCH] D41860: [CallSiteSplitting] Support splitting of blocks with instrs before call.

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 130951.
fhahn added a comment.

Update code to insert new PHIs at the beginning of TailBB and delete instructions up to the original first instruction. This way, remove unnecessary existing PHI nodes, while not deleting newly created ones.

I hope I can post benchmark numbers with the new version of the patch tomorrow.


https://reviews.llvm.org/D41860

Files:
  lib/Transforms/Scalar/CallSiteSplitting.cpp
  test/Transforms/CallSiteSplitting/callsite-instructions-before-call.ll
  test/Transforms/CallSiteSplitting/callsite-no-or-structure.ll
  test/Transforms/CallSiteSplitting/callsite-split-debug.ll
  test/Transforms/CallSiteSplitting/callsite-split.ll

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