399 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,
402 static unsigned ComputeNumSignBits(const Value *V, unsigned Depth,  in ComputeNumSignBits()  function
412   return ComputeNumSignBits(V, DemandedElts, Depth, Q);  in ComputeNumSignBits()
415 unsigned llvm::ComputeNumSignBits(const Value *V, const DataLayout &DL,  in ComputeNumSignBits()  function in llvm
419   return ::ComputeNumSignBits(  in ComputeNumSignBits()
427   unsigned SignBits = ComputeNumSignBits(V, DL, Depth, AC, CxtI, DT);  in ComputeMaxSignificantBits()
3050 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,  in ComputeNumSignBits()  function
3110       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q) + Tmp;  in ComputeNumSignBitsImpl()
3122         unsigned NumBits = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3131       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3162       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3178         Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3190       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3192         Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3208       Tmp = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3210       Tmp2 = ComputeNumSignBits(U->getOperand(2), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3217       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3237       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3242       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3266       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3273       unsigned SignBitsOp0 = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3275       unsigned SignBitsOp1 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3298             Tmp, ComputeNumSignBits(PN->getIncomingValue(i), Depth + 1, RecQ));  in ComputeNumSignBitsImpl()
3313       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3331         Tmp = ComputeNumSignBits(LHS, DemandedLHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3339         Tmp2 = ComputeNumSignBits(RHS, DemandedRHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3354           Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
4872   unsigned SignBits = ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) +  in computeOverflowForSignedMul()
4873                       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT);  in computeOverflowForSignedMul()
4938   if (ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) > 1 &&  in computeOverflowForSignedAdd()
4939       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT) > 1)  in computeOverflowForSignedAdd()
5036   if (ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) > 1 &&  in computeOverflowForSignedSub()
5037       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT) > 1)  in computeOverflowForSignedSub()