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from 672c64a527b [CGP] add a reference to DataLayout in MemCmpExpansion; NFCI new a1e0378901f [PowerPC] add memcmp test with one constant operand and equ [...] new b8e9164d09d [InstSimplify] Don't constant fold or DCE calls that are ma [...]
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Summary of changes: include/llvm/Analysis/ConstantFolding.h | 6 ++-- include/llvm/Analysis/InstructionSimplify.h | 6 ++-- lib/Analysis/ConstantFolding.cpp | 19 +++++++++---- lib/Analysis/InlineCost.cpp | 4 +-- lib/Analysis/InstructionSimplify.cpp | 25 +++++++++-------- lib/Analysis/ScalarEvolution.cpp | 2 +- lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 +-- lib/Transforms/Scalar/SCCP.cpp | 4 +-- lib/Transforms/Utils/Evaluator.cpp | 2 +- .../PowerPC/memCmpUsedInZeroEqualityComparison.ll | 32 ++++++++++++++++++++-- test/Transforms/DCE/calls-errno.ll | 4 +++ .../InstCombine/constant-fold-libfunc.ll | 20 ++++++++++++++ 12 files changed, 97 insertions(+), 31 deletions(-) create mode 100644 test/Transforms/InstCombine/constant-fold-libfunc.ll