253   Value *FoldOrOfICmps(ICmpInst *LHS, ICmpInst *RHS, Instruction *CxtI);
391   bool WillNotOverflowSignedAdd(Value *LHS, Value *RHS, Instruction &CxtI);
392   bool WillNotOverflowSignedSub(Value *LHS, Value *RHS, Instruction &CxtI);
393   bool WillNotOverflowUnsignedSub(Value *LHS, Value *RHS, Instruction &CxtI);
394   bool WillNotOverflowSignedMul(Value *LHS, Value *RHS, Instruction &CxtI);
478                         unsigned Depth, Instruction *CxtI) const {  in computeKnownBits()  argument
479     return llvm::computeKnownBits(V, KnownZero, KnownOne, DL, Depth, AC, CxtI,  in computeKnownBits()
484                          Instruction *CxtI = nullptr) const {
485     return llvm::MaskedValueIsZero(V, Mask, DL, Depth, AC, CxtI, DT);
488                               Instruction *CxtI = nullptr) const {
489     return llvm::ComputeNumSignBits(Op, DL, Depth, AC, CxtI, DT);
492                       unsigned Depth = 0, Instruction *CxtI = nullptr) const {
493     return llvm::ComputeSignBit(V, KnownZero, KnownOne, DL, Depth, AC, CxtI,
497                                                const Instruction *CxtI) {  in computeOverflowForUnsignedMul()  argument
498     return llvm::computeOverflowForUnsignedMul(LHS, RHS, DL, AC, CxtI, DT);  in computeOverflowForUnsignedMul()
501                                                const Instruction *CxtI) {  in computeOverflowForUnsignedAdd()  argument
502     return llvm::computeOverflowForUnsignedAdd(LHS, RHS, DL, AC, CxtI, DT);  in computeOverflowForUnsignedAdd()
523                                  Instruction *CxtI);