diff options
Diffstat (limited to 'llvm/lib/Analysis/InstructionSimplify.cpp')
-rw-r--r-- | llvm/lib/Analysis/InstructionSimplify.cpp | 325 |
1 files changed, 210 insertions, 115 deletions
diff --git a/llvm/lib/Analysis/InstructionSimplify.cpp b/llvm/lib/Analysis/InstructionSimplify.cpp index 2642ffffd77..cd795fdb781 100644 --- a/llvm/lib/Analysis/InstructionSimplify.cpp +++ b/llvm/lib/Analysis/InstructionSimplify.cpp @@ -45,9 +45,13 @@ struct Query { const DataLayout *DL; const TargetLibraryInfo *TLI; const DominatorTree *DT; + AssumptionTracker *AT; + const Instruction *CxtI; Query(const DataLayout *DL, const TargetLibraryInfo *tli, - const DominatorTree *dt) : DL(DL), TLI(tli), DT(dt) {} + const DominatorTree *dt, AssumptionTracker *at = nullptr, + const Instruction *cxti = nullptr) + : DL(DL), TLI(tli), DT(dt), AT(at), CxtI(cxti) {} }; static Value *SimplifyAndInst(Value *, Value *, const Query &, unsigned); @@ -575,9 +579,10 @@ static Value *SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *llvm::SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyAddInst(Op0, Op1, isNSW, isNUW, Query (DL, TLI, DT), - RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyAddInst(Op0, Op1, isNSW, isNUW, + Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } /// \brief Compute the base pointer and cumulative constant offsets for V. @@ -781,9 +786,10 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *llvm::SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifySubInst(Op0, Op1, isNSW, isNUW, Query (DL, TLI, DT), - RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifySubInst(Op0, Op1, isNSW, isNUW, + Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } /// Given operands for an FAdd, see if we can fold the result. If not, this @@ -959,28 +965,37 @@ static Value *SimplifyMulInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyFAddInst(Value *Op0, Value *Op1, FastMathFlags FMF, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFAddInst(Op0, Op1, FMF, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFAddInst(Op0, Op1, FMF, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } Value *llvm::SimplifyFSubInst(Value *Op0, Value *Op1, FastMathFlags FMF, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFSubInst(Op0, Op1, FMF, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFSubInst(Op0, Op1, FMF, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } Value *llvm::SimplifyFMulInst(Value *Op0, Value *Op1, FastMathFlags FMF, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFMulInst(Op0, Op1, FMF, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFMulInst(Op0, Op1, FMF, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } Value *llvm::SimplifyMulInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyMulInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyMulInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyDiv - Given operands for an SDiv or UDiv, see if we can @@ -1067,8 +1082,11 @@ static Value *SimplifySDivInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifySDivInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifySDivInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifySDivInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyUDivInst - Given operands for a UDiv, see if we can @@ -1083,8 +1101,11 @@ static Value *SimplifyUDivInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyUDivInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyUDivInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyUDivInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } static Value *SimplifyFDivInst(Value *Op0, Value *Op1, const Query &Q, @@ -1102,8 +1123,11 @@ static Value *SimplifyFDivInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyFDivInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFDivInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFDivInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyRem - Given operands for an SRem or URem, see if we can @@ -1172,8 +1196,11 @@ static Value *SimplifySRemInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifySRemInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifySRemInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifySRemInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyURemInst - Given operands for a URem, see if we can @@ -1188,8 +1215,11 @@ static Value *SimplifyURemInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyURemInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyURemInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyURemInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } static Value *SimplifyFRemInst(Value *Op0, Value *Op1, const Query &, @@ -1207,8 +1237,11 @@ static Value *SimplifyFRemInst(Value *Op0, Value *Op1, const Query &, Value *llvm::SimplifyFRemInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFRemInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFRemInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// isUndefShift - Returns true if a shift by \c Amount always yields undef. @@ -1296,8 +1329,9 @@ static Value *SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *llvm::SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyShlInst(Op0, Op1, isNSW, isNUW, Query (DL, TLI, DT), + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyShlInst(Op0, Op1, isNSW, isNUW, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -1328,8 +1362,10 @@ static Value *SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact, Value *llvm::SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyLShrInst(Op0, Op1, isExact, Query (DL, TLI, DT), + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyLShrInst(Op0, Op1, isExact, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -1359,7 +1395,7 @@ static Value *SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact, return X; // Arithmetic shifting an all-sign-bit value is a no-op. - unsigned NumSignBits = ComputeNumSignBits(Op0, Q.DL); + unsigned NumSignBits = ComputeNumSignBits(Op0, Q.DL, 0, Q.AT, Q.CxtI, Q.DT); if (NumSignBits == Op0->getType()->getScalarSizeInBits()) return Op0; @@ -1369,8 +1405,10 @@ static Value *SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact, Value *llvm::SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyAShrInst(Op0, Op1, isExact, Query (DL, TLI, DT), + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyAShrInst(Op0, Op1, isExact, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -1424,9 +1462,9 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const Query &Q, // A & (-A) = A if A is a power of two or zero. if (match(Op0, m_Neg(m_Specific(Op1))) || match(Op1, m_Neg(m_Specific(Op0)))) { - if (isKnownToBeAPowerOfTwo(Op0, /*OrZero*/true)) + if (isKnownToBeAPowerOfTwo(Op0, /*OrZero*/true, 0, Q.AT, Q.CxtI, Q.DT)) return Op0; - if (isKnownToBeAPowerOfTwo(Op1, /*OrZero*/true)) + if (isKnownToBeAPowerOfTwo(Op1, /*OrZero*/true, 0, Q.AT, Q.CxtI, Q.DT)) return Op1; } @@ -1464,8 +1502,10 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyAndInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyAndInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyAndInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyOrInst - Given operands for an Or, see if we can @@ -1557,18 +1597,22 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const Query &Q, if ((C2->getValue() & (C2->getValue() + 1)) == 0 && // C2 == 0+1+ match(A, m_Add(m_Value(V1), m_Value(V2)))) { // Add commutes, try both ways. - if (V1 == B && MaskedValueIsZero(V2, C2->getValue())) + if (V1 == B && MaskedValueIsZero(V2, C2->getValue(), Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return A; - if (V2 == B && MaskedValueIsZero(V1, C2->getValue())) + if (V2 == B && MaskedValueIsZero(V1, C2->getValue(), Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return A; } // Or commutes, try both ways. if ((C1->getValue() & (C1->getValue() + 1)) == 0 && match(B, m_Add(m_Value(V1), m_Value(V2)))) { // Add commutes, try both ways. - if (V1 == A && MaskedValueIsZero(V2, C1->getValue())) + if (V1 == A && MaskedValueIsZero(V2, C1->getValue(), Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return B; - if (V2 == A && MaskedValueIsZero(V1, C1->getValue())) + if (V2 == A && MaskedValueIsZero(V1, C1->getValue(), Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return B; } } @@ -1585,8 +1629,10 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyOrInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyOrInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyOrInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyXorInst - Given operands for a Xor, see if we can @@ -1640,8 +1686,10 @@ static Value *SimplifyXorInst(Value *Op0, Value *Op1, const Query &Q, Value *llvm::SimplifyXorInst(Value *Op0, Value *Op1, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyXorInst(Op0, Op1, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyXorInst(Op0, Op1, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } static Type *GetCompareTy(Value *Op) { @@ -1895,40 +1943,46 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getTrue(ITy); case ICmpInst::ICMP_EQ: case ICmpInst::ICMP_ULE: - if (isKnownNonZero(LHS, Q.DL)) + if (isKnownNonZero(LHS, Q.DL, 0, Q.AT, Q.CxtI, Q.DT)) return getFalse(ITy); break; case ICmpInst::ICMP_NE: case ICmpInst::ICMP_UGT: - if (isKnownNonZero(LHS, Q.DL)) + if (isKnownNonZero(LHS, Q.DL, 0, Q.AT, Q.CxtI, Q.DT)) return getTrue(ITy); break; case ICmpInst::ICMP_SLT: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (LHSKnownNegative) return getTrue(ITy); if (LHSKnownNonNegative) return getFalse(ITy); break; case ICmpInst::ICMP_SLE: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (LHSKnownNegative) return getTrue(ITy); - if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.DL)) + if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return getFalse(ITy); break; case ICmpInst::ICMP_SGE: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (LHSKnownNegative) return getFalse(ITy); if (LHSKnownNonNegative) return getTrue(ITy); break; case ICmpInst::ICMP_SGT: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (LHSKnownNegative) return getFalse(ITy); - if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.DL)) + if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT)) return getTrue(ITy); break; } @@ -2224,10 +2278,12 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, uint32_t BitWidth = CI->getBitWidth(); APInt LHSKnownZero(BitWidth, 0); APInt LHSKnownOne(BitWidth, 0); - computeKnownBits(LHS, LHSKnownZero, LHSKnownOne); + computeKnownBits(LHS, LHSKnownZero, LHSKnownOne, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); APInt RHSKnownZero(BitWidth, 0); APInt RHSKnownOne(BitWidth, 0); - computeKnownBits(RHS, RHSKnownZero, RHSKnownOne); + computeKnownBits(RHS, RHSKnownZero, RHSKnownOne, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (((LHSKnownOne & RHSKnownZero) != 0) || ((LHSKnownZero & RHSKnownOne) != 0)) return (Pred == ICmpInst::ICMP_EQ) @@ -2329,7 +2385,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, break; case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGE: - ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.DL); + ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (!KnownNonNegative) break; // fall-through @@ -2339,7 +2396,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getFalse(ITy); case ICmpInst::ICMP_SLT: case ICmpInst::ICMP_SLE: - ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.DL); + ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (!KnownNonNegative) break; // fall-through @@ -2358,7 +2416,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, break; case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGE: - ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.DL); + ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (!KnownNonNegative) break; // fall-through @@ -2368,7 +2427,8 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getTrue(ITy); case ICmpInst::ICMP_SLT: case ICmpInst::ICMP_SLE: - ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.DL); + ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.DL, + 0, Q.AT, Q.CxtI, Q.DT); if (!KnownNonNegative) break; // fall-through @@ -2688,8 +2748,10 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, Value *llvm::SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyICmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT), + const DominatorTree *DT, + AssumptionTracker *AT, + Instruction *CxtI) { + return ::SimplifyICmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -2785,8 +2847,10 @@ static Value *SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS, Value *llvm::SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyFCmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT), + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyFCmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -2824,9 +2888,11 @@ static Value *SimplifySelectInst(Value *CondVal, Value *TrueVal, Value *llvm::SimplifySelectInst(Value *Cond, Value *TrueVal, Value *FalseVal, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifySelectInst(Cond, TrueVal, FalseVal, Query (DL, TLI, DT), - RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifySelectInst(Cond, TrueVal, FalseVal, + Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } /// SimplifyGEPInst - Given operands for an GetElementPtrInst, see if we can @@ -2913,8 +2979,9 @@ static Value *SimplifyGEPInst(ArrayRef<Value *> Ops, const Query &Q, unsigned) { Value *llvm::SimplifyGEPInst(ArrayRef<Value *> Ops, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyGEPInst(Ops, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyGEPInst(Ops, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } /// SimplifyInsertValueInst - Given operands for an InsertValueInst, see if we @@ -2950,8 +3017,11 @@ Value *llvm::SimplifyInsertValueInst(Value *Agg, Value *Val, ArrayRef<unsigned> Idxs, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyInsertValueInst(Agg, Val, Idxs, Query (DL, TLI, DT), + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyInsertValueInst(Agg, Val, Idxs, + Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -2998,8 +3068,11 @@ static Value *SimplifyTruncInst(Value *Op, Type *Ty, const Query &Q, unsigned) { Value *llvm::SimplifyTruncInst(Value *Op, Type *Ty, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyTruncInst(Op, Ty, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, + AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyTruncInst(Op, Ty, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } //=== Helper functions for higher up the class hierarchy. @@ -3071,8 +3144,10 @@ static Value *SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS, Value *llvm::SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyBinOp(Opcode, LHS, RHS, Query (DL, TLI, DT), RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyBinOp(Opcode, LHS, RHS, Query (DL, TLI, DT, AT, CxtI), + RecursionLimit); } /// SimplifyCmpInst - Given operands for a CmpInst, see if we can @@ -3086,8 +3161,9 @@ static Value *SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS, Value *llvm::SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyCmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT), + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyCmpInst(Predicate, LHS, RHS, Query (DL, TLI, DT, AT, CxtI), RecursionLimit); } @@ -3162,23 +3238,26 @@ static Value *SimplifyCall(Value *V, IterTy ArgBegin, IterTy ArgEnd, Value *llvm::SimplifyCall(Value *V, User::op_iterator ArgBegin, User::op_iterator ArgEnd, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyCall(V, ArgBegin, ArgEnd, Query(DL, TLI, DT), + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyCall(V, ArgBegin, ArgEnd, Query(DL, TLI, DT, AT, CxtI), RecursionLimit); } Value *llvm::SimplifyCall(Value *V, ArrayRef<Value *> Args, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return ::SimplifyCall(V, Args.begin(), Args.end(), Query(DL, TLI, DT), - RecursionLimit); + const DominatorTree *DT, AssumptionTracker *AT, + const Instruction *CxtI) { + return ::SimplifyCall(V, Args.begin(), Args.end(), + Query(DL, TLI, DT, AT, CxtI), RecursionLimit); } /// SimplifyInstruction - See if we can compute a simplified version of this /// instruction. If not, this returns null. Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { + const DominatorTree *DT, + AssumptionTracker *AT) { Value *Result; switch (I->getOpcode()) { @@ -3187,109 +3266,122 @@ Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout *DL, break; case Instruction::FAdd: Result = SimplifyFAddInst(I->getOperand(0), I->getOperand(1), - I->getFastMathFlags(), DL, TLI, DT); + I->getFastMathFlags(), DL, TLI, DT, AT, I); break; case Instruction::Add: Result = SimplifyAddInst(I->getOperand(0), I->getOperand(1), cast<BinaryOperator>(I)->hasNoSignedWrap(), cast<BinaryOperator>(I)->hasNoUnsignedWrap(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; case Instruction::FSub: Result = SimplifyFSubInst(I->getOperand(0), I->getOperand(1), - I->getFastMathFlags(), DL, TLI, DT); + I->getFastMathFlags(), DL, TLI, DT, AT, I); break; case Instruction::Sub: Result = SimplifySubInst(I->getOperand(0), I->getOperand(1), cast<BinaryOperator>(I)->hasNoSignedWrap(), cast<BinaryOperator>(I)->hasNoUnsignedWrap(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; case Instruction::FMul: Result = SimplifyFMulInst(I->getOperand(0), I->getOperand(1), - I->getFastMathFlags(), DL, TLI, DT); + I->getFastMathFlags(), DL, TLI, DT, AT, I); break; case Instruction::Mul: - Result = SimplifyMulInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyMulInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::SDiv: - Result = SimplifySDivInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifySDivInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::UDiv: - Result = SimplifyUDivInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyUDivInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::FDiv: - Result = SimplifyFDivInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyFDivInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::SRem: - Result = SimplifySRemInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifySRemInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::URem: - Result = SimplifyURemInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyURemInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::FRem: - Result = SimplifyFRemInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyFRemInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::Shl: Result = SimplifyShlInst(I->getOperand(0), I->getOperand(1), cast<BinaryOperator>(I)->hasNoSignedWrap(), cast<BinaryOperator>(I)->hasNoUnsignedWrap(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; case Instruction::LShr: Result = SimplifyLShrInst(I->getOperand(0), I->getOperand(1), cast<BinaryOperator>(I)->isExact(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; case Instruction::AShr: Result = SimplifyAShrInst(I->getOperand(0), I->getOperand(1), cast<BinaryOperator>(I)->isExact(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; case Instruction::And: - Result = SimplifyAndInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyAndInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::Or: - Result = SimplifyOrInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyOrInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT, + AT, I); break; case Instruction::Xor: - Result = SimplifyXorInst(I->getOperand(0), I->getOperand(1), DL, TLI, DT); + Result = SimplifyXorInst(I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::ICmp: Result = SimplifyICmpInst(cast<ICmpInst>(I)->getPredicate(), - I->getOperand(0), I->getOperand(1), DL, TLI, DT); + I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::FCmp: Result = SimplifyFCmpInst(cast<FCmpInst>(I)->getPredicate(), - I->getOperand(0), I->getOperand(1), DL, TLI, DT); + I->getOperand(0), I->getOperand(1), + DL, TLI, DT, AT, I); break; case Instruction::Select: Result = SimplifySelectInst(I->getOperand(0), I->getOperand(1), - I->getOperand(2), DL, TLI, DT); + I->getOperand(2), DL, TLI, DT, AT, I); break; case Instruction::GetElementPtr: { SmallVector<Value*, 8> Ops(I->op_begin(), I->op_end()); - Result = SimplifyGEPInst(Ops, DL, TLI, DT); + Result = SimplifyGEPInst(Ops, DL, TLI, DT, AT, I); break; } case Instruction::InsertValue: { InsertValueInst *IV = cast<InsertValueInst>(I); Result = SimplifyInsertValueInst(IV->getAggregateOperand(), IV->getInsertedValueOperand(), - IV->getIndices(), DL, TLI, DT); + IV->getIndices(), DL, TLI, DT, AT, I); break; } case Instruction::PHI: - Result = SimplifyPHINode(cast<PHINode>(I), Query (DL, TLI, DT)); + Result = SimplifyPHINode(cast<PHINode>(I), Query (DL, TLI, DT, AT, I)); break; case Instruction::Call: { CallSite CS(cast<CallInst>(I)); Result = SimplifyCall(CS.getCalledValue(), CS.arg_begin(), CS.arg_end(), - DL, TLI, DT); + DL, TLI, DT, AT, I); break; } case Instruction::Trunc: - Result = SimplifyTruncInst(I->getOperand(0), I->getType(), DL, TLI, DT); + Result = SimplifyTruncInst(I->getOperand(0), I->getType(), DL, TLI, DT, + AT, I); break; } @@ -3313,7 +3405,8 @@ Value *llvm::SimplifyInstruction(Instruction *I, const DataLayout *DL, static bool replaceAndRecursivelySimplifyImpl(Instruction *I, Value *SimpleV, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { + const DominatorTree *DT, + AssumptionTracker *AT) { bool Simplified = false; SmallSetVector<Instruction *, 8> Worklist; @@ -3340,7 +3433,7 @@ static bool replaceAndRecursivelySimplifyImpl(Instruction *I, Value *SimpleV, I = Worklist[Idx]; // See if this instruction simplifies. - SimpleV = SimplifyInstruction(I, DL, TLI, DT); + SimpleV = SimplifyInstruction(I, DL, TLI, DT, AT); if (!SimpleV) continue; @@ -3366,15 +3459,17 @@ static bool replaceAndRecursivelySimplifyImpl(Instruction *I, Value *SimpleV, bool llvm::recursivelySimplifyInstruction(Instruction *I, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { - return replaceAndRecursivelySimplifyImpl(I, nullptr, DL, TLI, DT); + const DominatorTree *DT, + AssumptionTracker *AT) { + return replaceAndRecursivelySimplifyImpl(I, nullptr, DL, TLI, DT, AT); } bool llvm::replaceAndRecursivelySimplify(Instruction *I, Value *SimpleV, const DataLayout *DL, const TargetLibraryInfo *TLI, - const DominatorTree *DT) { + const DominatorTree *DT, + AssumptionTracker *AT) { assert(I != SimpleV && "replaceAndRecursivelySimplify(X,X) is not valid!"); assert(SimpleV && "Must provide a simplified value."); - return replaceAndRecursivelySimplifyImpl(I, SimpleV, DL, TLI, DT); + return replaceAndRecursivelySimplifyImpl(I, SimpleV, DL, TLI, DT, AT); } |