[PATCH] D15857: [InstCombine] Defend against worst-case exponential execution time

[James Molloy via llvm-commits]

jmolloy updated this revision to Diff 44753.
jmolloy added a comment.

Hi David,

This makes sense. I've updated the diff.

James


Repository:
  rL LLVM

http://reviews.llvm.org/D15857

Files:
  include/llvm/Transforms/Utils/Local.h
  lib/CodeGen/CodeGenPrepare.cpp
  lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  lib/Transforms/Utils/Local.cpp
  test/Transforms/CodeGenPrepare/bitreverse-hang.ll
  test/Transforms/InstCombine/bitreverse-hang.ll

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