325 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,
328 static unsigned ComputeNumSignBits(const Value *V, unsigned Depth,  in ComputeNumSignBits()  function
333   return ComputeNumSignBits(V, DemandedElts, Depth, Q);  in ComputeNumSignBits()
336 unsigned llvm::ComputeNumSignBits(const Value *V, const DataLayout &DL,  in ComputeNumSignBits()  function in llvm
340   return ::ComputeNumSignBits(  in ComputeNumSignBits()
348   unsigned SignBits = ComputeNumSignBits(V, DL, Depth, AC, CxtI, DT);  in ComputeMaxSignificantBits()
3263 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,  in ComputeNumSignBits()  function
3317       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q) + Tmp;  in ComputeNumSignBitsImpl()
3329         unsigned NumBits = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3338       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3369       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3385         Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3397       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3399         Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3415       Tmp = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3417       Tmp2 = ComputeNumSignBits(U->getOperand(2), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3424       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3444       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3449       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3473       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3480       unsigned SignBitsOp0 = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3482       unsigned SignBitsOp1 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3505             Tmp, ComputeNumSignBits(PN->getIncomingValue(i), Depth + 1, RecQ));  in ComputeNumSignBitsImpl()
3514       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3527       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3545         Tmp = ComputeNumSignBits(LHS, DemandedLHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3553         Tmp2 = ComputeNumSignBits(RHS, DemandedRHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3568           Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
6322       ::ComputeNumSignBits(LHS, 0, SQ) + ::ComputeNumSignBits(RHS, 0, SQ);  in computeOverflowForSignedMul()
6380   if (::ComputeNumSignBits(LHS, 0, SQ) > 1 &&  in computeOverflowForSignedAdd()
6381       ::ComputeNumSignBits(RHS, 0, SQ) > 1)  in computeOverflowForSignedAdd()
6471   if (::ComputeNumSignBits(LHS, 0, SQ) > 1 &&  in computeOverflowForSignedSub()
6472       ::ComputeNumSignBits(RHS, 0, SQ) > 1)  in computeOverflowForSignedSub()