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from bccca22e8c3 Revert "[PowerPC] Fix assert from machine verify pass that [...] new c80a38c134a [IPT] Drop cache less eagerly in GVN and LoopSafetyInfo new 1c5b3e2b340 GlobalISel: Implement widenScalar for implicit_def

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Summary of changes: .../llvm/Analysis/InstructionPrecedenceTracking.h | 10 ++++++++-- include/llvm/Analysis/MustExecute.h | 6 +++--- lib/Analysis/InstructionPrecedenceTracking.cpp | 12 ++++++++++-- lib/Analysis/MustExecute.cpp | 13 ++++++------- lib/CodeGen/GlobalISel/LegalizerHelper.cpp | 6 ++++++ lib/Transforms/Scalar/GVN.cpp | 5 ++--- lib/Transforms/Scalar/LICM.cpp | 6 +++--- test/CodeGen/AArch64/GlobalISel/legalize-undef.mir | 21 ++++++++++++++++++++- 8 files changed, 58 insertions(+), 21 deletions(-)