[PATCH] D17201: [SCEV] Introduce a guarded backedge taken count and use it in LAA and LV

Thu Mar 31 05:42:42 PDT 2016

sbaranga updated this revision to Diff 52191.
sbaranga added a comment.

Updated the definition of the SCEVWrapPredicate so that its semantics are now decoupled from the backedge taken count.
This should address the other review comments as well.

http://reviews.llvm.org/D17201

Files:
  include/llvm/Analysis/ScalarEvolution.h
  lib/Analysis/LoopAccessAnalysis.cpp
  lib/Analysis/ScalarEvolution.cpp
  lib/Analysis/ScalarEvolutionExpander.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  test/Analysis/ScalarEvolution/predicated-trip-count.ll
  test/Transforms/LoopVectorize/AArch64/backedge-overflow.ll
  test/Transforms/LoopVectorize/X86/vectorization-remarks-missed.ll

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