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/openbsd-src/gnu/llvm/llvm/lib/Transforms/InstCombine/
H A DInstCombineShifts.cpp822 BinaryOperator *FBO; in FoldShiftByConstant() local
825 m_OneUse(m_BinOp(FBO))))) { in FoldShiftByConstant()
827 if (!isa<Constant>(TrueVal) && FBO->getOperand(0) == TrueVal && in FoldShiftByConstant()
828 match(FBO->getOperand(1), m_APInt(C)) && in FoldShiftByConstant()
829 canShiftBinOpWithConstantRHS(I, FBO)) { in FoldShiftByConstant()
831 Builder.CreateBinOp(I.getOpcode(), FBO->getOperand(1), C1); in FoldShiftByConstant()
834 Value *NewOp = Builder.CreateBinOp(FBO->getOpcode(), NewShift, NewRHS); in FoldShiftByConstant()