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/freebsd/contrib/llvm-project/llvm/lib/IR/
H A DDIExpressionOptimizer.cpp45 foldOperationIfPossible(uint64_t Const1, uint64_t Const2, in foldOperationIfPossible() argument
51 auto Result = SaturatingAdd(Const1, Const2, &ResultOverflowed); in foldOperationIfPossible()
57 if (Const1 < Const2) in foldOperationIfPossible()
59 return Const1 - Const2; in foldOperationIfPossible()
62 if ((uint64_t)countl_zero(Const1) < Const2) in foldOperationIfPossible()
64 return Const1 << Const2; in foldOperationIfPossible()
67 if ((uint64_t)countr_zero(Const1) < Const2) in foldOperationIfPossible()
69 return Const1 >> Const2; in foldOperationIfPossible()
72 auto Result = SaturatingMultiply(Const1, Const2, &ResultOverflowed); in foldOperationIfPossible()
78 if (Const2) in foldOperationIfPossible()
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