[PATCH] D51550: Use alias analysis to check for real interference in cascade comparison

[Christy Lee via Phabricator via llvm-commits]

christylee created this revision.
christylee added a reviewer: courbet.
Herald added a reviewer: javed.absar.
Herald added a subscriber: llvm-commits.

Passing in AliasAnalysis to MergeICmps, we can check for real interference using alias analysis when some other work is done in a comparison block.


Repository:
  rL LLVM

https://reviews.llvm.org/D51550

Files:
  lib/Transforms/Scalar/MergeICmps.cpp
  test/CodeGen/AArch64/O3-pipeline.ll
  test/CodeGen/Generic/llc-start-stop.ll
  test/CodeGen/X86/O3-pipeline.ll
  test/Transforms/MergeICmps/X86/alias-merge-blocks.ll

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