369 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,
372 static unsigned ComputeNumSignBits(const Value *V, unsigned Depth,  in ComputeNumSignBits()  function
382   return ComputeNumSignBits(V, DemandedElts, Depth, Q);  in ComputeNumSignBits()
385 unsigned llvm::ComputeNumSignBits(const Value *V, const DataLayout &DL,  in ComputeNumSignBits()  function in llvm
389   return ::ComputeNumSignBits(  in ComputeNumSignBits()
2876 static unsigned ComputeNumSignBits(const Value *V, const APInt &DemandedElts,  in ComputeNumSignBits()  function
2936       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q) + Tmp;  in ComputeNumSignBitsImpl()
2948         unsigned NumBits = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
2957       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
2988       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3004         Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3016       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3018         Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3034       Tmp = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3036       Tmp2 = ComputeNumSignBits(U->getOperand(2), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3043       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3063       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3068       Tmp2 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3092       Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3099       unsigned SignBitsOp0 = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3101       unsigned SignBitsOp1 = ComputeNumSignBits(U->getOperand(1), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3124             Tmp, ComputeNumSignBits(PN->getIncomingValue(i), Depth + 1, RecQ));  in ComputeNumSignBitsImpl()
3139       return ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
3157         Tmp = ComputeNumSignBits(LHS, DemandedLHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3165         Tmp2 = ComputeNumSignBits(RHS, DemandedRHS, Depth + 1, Q);  in ComputeNumSignBitsImpl()
3180           Tmp = ComputeNumSignBits(U->getOperand(0), Depth + 1, Q);  in ComputeNumSignBitsImpl()
4729   unsigned SignBits = ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) +  in computeOverflowForSignedMul()
4730                       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT);  in computeOverflowForSignedMul()
4795   if (ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) > 1 &&  in computeOverflowForSignedAdd()
4796       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT) > 1)  in computeOverflowForSignedAdd()
4864   if (ComputeNumSignBits(LHS, DL, 0, AC, CxtI, DT) > 1 &&  in computeOverflowForSignedSub()
4865       ComputeNumSignBits(RHS, DL, 0, AC, CxtI, DT) > 1)  in computeOverflowForSignedSub()