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from 263da12ab25 Reverts commit r301424, r301425 and r301426 new 58c7fe69d03 [ValueTracking] Introduce a KnownBits struct to wrap the tw [...]

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Summary of changes: include/llvm/Analysis/DemandedBits.h | 4 +- include/llvm/Analysis/ValueTracking.h | 3 +- include/llvm/Support/KnownBits.h | 43 ++ lib/Analysis/ConstantFolding.cpp | 17 +- lib/Analysis/DemandedBits.cpp | 31 +- lib/Analysis/InstructionSimplify.cpp | 44 +- lib/Analysis/Lint.cpp | 14 +- lib/Analysis/ScalarEvolution.cpp | 22 +- lib/Analysis/ValueTracking.cpp | 852 ++++++++++----------- lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 +- lib/Target/Hexagon/HexagonLoopIdiomRecognition.cpp | 8 +- lib/Transforms/InstCombine/InstCombineAddSub.cpp | 47 +- lib/Transforms/InstCombine/InstCombineCalls.cpp | 20 +- lib/Transforms/InstCombine/InstCombineCasts.cpp | 30 +- lib/Transforms/InstCombine/InstCombineCompares.cpp | 67 +- lib/Transforms/InstCombine/InstCombineInternal.h | 19 +- lib/Transforms/InstCombine/InstCombineSelect.cpp | 9 +- .../InstCombine/InstCombineSimplifyDemanded.cpp | 386 +++++----- .../InstCombine/InstructionCombining.cpp | 27 +- lib/Transforms/Scalar/GuardWidening.cpp | 7 +- lib/Transforms/Utils/BypassSlowDivision.cpp | 9 +- lib/Transforms/Utils/Local.cpp | 7 +- lib/Transforms/Utils/SimplifyCFG.cpp | 9 +- lib/Transforms/Utils/SimplifyLibCalls.cpp | 11 +- lib/Transforms/Vectorize/LoadStoreVectorizer.cpp | 8 +- 25 files changed, 839 insertions(+), 862 deletions(-) create mode 100644 include/llvm/Support/KnownBits.h