331 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,
334 static unsigned ComputeNumSignBits(const Value *V, unsigned Depth,  in ComputeNumSignBits()  function
339   return ComputeNumSignBits(V, DemandedElts, Depth, Q);  in ComputeNumSignBits()
342 unsigned llvm::ComputeNumSignBits(const Value *V, const DataLayout &DL,  in ComputeNumSignBits()  function in llvm
346   return ::ComputeNumSignBits(  in ComputeNumSignBits()
354   unsigned SignBits = ComputeNumSignBits(V, DL, Depth, AC, CxtI, DT);  in ComputeMaxSignificantBits()
3747 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,  in ComputeNumSignBits()  function
3801       return ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q) +  in ComputeNumSignBitsImpl()
3815             ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3824       Tmp = ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3855       Tmp = ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3878           Tmp = ComputeNumSignBits(X, DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3882               ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3894       Tmp = ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3896         Tmp2 = ComputeNumSignBits(U->getOperand(1), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3912       Tmp = ComputeNumSignBits(U->getOperand(1), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3915       Tmp2 = ComputeNumSignBits(U->getOperand(2), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3922       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3942       Tmp2 = ComputeNumSignBits(U->getOperand(1), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3948       Tmp2 = ComputeNumSignBits(U->getOperand(1), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3973       Tmp = ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3982           ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3986           ComputeNumSignBits(U->getOperand(1), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
4009         Tmp = std::min(Tmp, ComputeNumSignBits(PN->getIncomingValue(i),  in ComputeNumSignBitsImpl()
4019       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
4032       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
4050         Tmp = ComputeNumSignBits(LHS, DemandedLHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
4058         Tmp2 = ComputeNumSignBits(RHS, DemandedRHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
4075               ComputeNumSignBits(U->getOperand(0), DemandedElts, Depth + 1, Q);  in ComputeNumSignBitsImpl()
6999       ::ComputeNumSignBits(LHS, 0, SQ) + ::ComputeNumSignBits(RHS, 0, SQ);  in computeOverflowForSignedMul()
7057   if (::ComputeNumSignBits(LHS, 0, SQ) > 1 &&  in computeOverflowForSignedAdd()
7058       ::ComputeNumSignBits(RHS, 0, SQ) > 1)  in computeOverflowForSignedAdd()
7148   if (::ComputeNumSignBits(LHS, 0, SQ) > 1 &&  in computeOverflowForSignedSub()
7149       ::ComputeNumSignBits(RHS, 0, SQ) > 1)  in computeOverflowForSignedSub()