diff --git a/include/llvm/Analysis/InstructionSimplify.h b/include/llvm/Analysis/InstructionSimplify.h index 3dd194cd021..d85ae4f2a48 100644 --- a/include/llvm/Analysis/InstructionSimplify.h +++ b/include/llvm/Analysis/InstructionSimplify.h @@ -141,11 +141,13 @@ namespace llvm { /// the result. If not, this returns null. Value *SimplifySelectInst(Value *Cond, Value *TrueVal, Value *FalseVal, const TargetData *TD = 0, + const TargetLibraryInfo *TLI = 0, const DominatorTree *DT = 0); /// SimplifyGEPInst - Given operands for an GetElementPtrInst, see if we can /// fold the result. If not, this returns null. Value *SimplifyGEPInst(ArrayRef Ops, const TargetData *TD = 0, + const TargetLibraryInfo *TLI = 0, const DominatorTree *DT = 0); /// SimplifyInsertValueInst - Given operands for an InsertValueInst, see if we @@ -153,6 +155,7 @@ namespace llvm { Value *SimplifyInsertValueInst(Value *Agg, Value *Val, ArrayRef Idxs, const TargetData *TD = 0, + const TargetLibraryInfo *TLI = 0, const DominatorTree *DT = 0); //=== Helper functions for higher up the class hierarchy. diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp index 44f870c8179..75afbf1b53a 100644 --- a/lib/Analysis/InstructionSimplify.cpp +++ b/lib/Analysis/InstructionSimplify.cpp @@ -40,21 +40,22 @@ STATISTIC(NumExpand, "Number of expansions"); STATISTIC(NumFactor , "Number of factorizations"); STATISTIC(NumReassoc, "Number of reassociations"); -static Value *SimplifyAndInst(Value *, Value *, const TargetData *, - const TargetLibraryInfo *, const DominatorTree *, - unsigned); -static Value *SimplifyBinOp(unsigned, Value *, Value *, const TargetData *, - const TargetLibraryInfo *, const DominatorTree *, +struct Query { + const TargetData *TD; + const TargetLibraryInfo *TLI; + const DominatorTree *DT; + + Query(const TargetData *td, const TargetLibraryInfo *tli, + const DominatorTree *dt) : TD(td), TLI(tli), DT(dt) {}; +}; + +static Value *SimplifyAndInst(Value *, Value *, const Query &, unsigned); +static Value *SimplifyBinOp(unsigned, Value *, Value *, const Query &, unsigned); -static Value *SimplifyCmpInst(unsigned, Value *, Value *, const TargetData *, - const TargetLibraryInfo *, const DominatorTree *, - unsigned); -static Value *SimplifyOrInst(Value *, Value *, const TargetData *, - const TargetLibraryInfo *, const DominatorTree *, - unsigned); -static Value *SimplifyXorInst(Value *, Value *, const TargetData *, - const TargetLibraryInfo *, const DominatorTree *, +static Value *SimplifyCmpInst(unsigned, Value *, Value *, const Query &, unsigned); +static Value *SimplifyOrInst(Value *, Value *, const Query &, unsigned); +static Value *SimplifyXorInst(Value *, Value *, const Query &, unsigned); /// getFalse - For a boolean type, or a vector of boolean type, return false, or /// a vector with every element false, as appropriate for the type. @@ -117,8 +118,7 @@ static bool ValueDominatesPHI(Value *V, PHINode *P, const DominatorTree *DT) { /// Also performs the transform "(A op' B) op C" -> "(A op C) op' (B op C)". /// Returns the simplified value, or null if no simplification was performed. static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, - unsigned OpcToExpand, const TargetData *TD, - const TargetLibraryInfo *TLI, const DominatorTree *DT, + unsigned OpcToExpand, const Query &Q, unsigned MaxRecurse) { Instruction::BinaryOps OpcodeToExpand = (Instruction::BinaryOps)OpcToExpand; // Recursion is always used, so bail out at once if we already hit the limit. @@ -131,8 +131,8 @@ static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, // It does! Try turning it into "(A op C) op' (B op C)". Value *A = Op0->getOperand(0), *B = Op0->getOperand(1), *C = RHS; // Do "A op C" and "B op C" both simplify? - if (Value *L = SimplifyBinOp(Opcode, A, C, TD, TLI, DT, MaxRecurse)) - if (Value *R = SimplifyBinOp(Opcode, B, C, TD, TLI, DT, MaxRecurse)) { + if (Value *L = SimplifyBinOp(Opcode, A, C, Q, MaxRecurse)) + if (Value *R = SimplifyBinOp(Opcode, B, C, Q, MaxRecurse)) { // They do! Return "L op' R" if it simplifies or is already available. // If "L op' R" equals "A op' B" then "L op' R" is just the LHS. if ((L == A && R == B) || (Instruction::isCommutative(OpcodeToExpand) @@ -141,8 +141,7 @@ static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, return LHS; } // Otherwise return "L op' R" if it simplifies. - if (Value *V = SimplifyBinOp(OpcodeToExpand, L, R, TD, TLI, DT, - MaxRecurse)) { + if (Value *V = SimplifyBinOp(OpcodeToExpand, L, R, Q, MaxRecurse)) { ++NumExpand; return V; } @@ -155,8 +154,8 @@ static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, // It does! Try turning it into "(A op B) op' (A op C)". Value *A = LHS, *B = Op1->getOperand(0), *C = Op1->getOperand(1); // Do "A op B" and "A op C" both simplify? - if (Value *L = SimplifyBinOp(Opcode, A, B, TD, TLI, DT, MaxRecurse)) - if (Value *R = SimplifyBinOp(Opcode, A, C, TD, TLI, DT, MaxRecurse)) { + if (Value *L = SimplifyBinOp(Opcode, A, B, Q, MaxRecurse)) + if (Value *R = SimplifyBinOp(Opcode, A, C, Q, MaxRecurse)) { // They do! Return "L op' R" if it simplifies or is already available. // If "L op' R" equals "B op' C" then "L op' R" is just the RHS. if ((L == B && R == C) || (Instruction::isCommutative(OpcodeToExpand) @@ -165,8 +164,7 @@ static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, return RHS; } // Otherwise return "L op' R" if it simplifies. - if (Value *V = SimplifyBinOp(OpcodeToExpand, L, R, TD, TLI, DT, - MaxRecurse)) { + if (Value *V = SimplifyBinOp(OpcodeToExpand, L, R, Q, MaxRecurse)) { ++NumExpand; return V; } @@ -181,9 +179,7 @@ static Value *ExpandBinOp(unsigned Opcode, Value *LHS, Value *RHS, /// OpCodeToExtract is Mul then this tries to turn "(A*B)+(A*C)" into "A*(B+C)". /// Returns the simplified value, or null if no simplification was performed. static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, - unsigned OpcToExtract, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, + unsigned OpcToExtract, const Query &Q, unsigned MaxRecurse) { Instruction::BinaryOps OpcodeToExtract = (Instruction::BinaryOps)OpcToExtract; // Recursion is always used, so bail out at once if we already hit the limit. @@ -208,7 +204,7 @@ static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, Value *DD = A == C ? D : C; // Form "A op' (B op DD)" if it simplifies completely. // Does "B op DD" simplify? - if (Value *V = SimplifyBinOp(Opcode, B, DD, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, B, DD, Q, MaxRecurse)) { // It does! Return "A op' V" if it simplifies or is already available. // If V equals B then "A op' V" is just the LHS. If V equals DD then // "A op' V" is just the RHS. @@ -217,8 +213,7 @@ static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, return V == B ? LHS : RHS; } // Otherwise return "A op' V" if it simplifies. - if (Value *W = SimplifyBinOp(OpcodeToExtract, A, V, TD, TLI, DT, - MaxRecurse)) { + if (Value *W = SimplifyBinOp(OpcodeToExtract, A, V, Q, MaxRecurse)) { ++NumFactor; return W; } @@ -232,7 +227,7 @@ static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, Value *CC = B == D ? C : D; // Form "(A op CC) op' B" if it simplifies completely.. // Does "A op CC" simplify? - if (Value *V = SimplifyBinOp(Opcode, A, CC, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, A, CC, Q, MaxRecurse)) { // It does! Return "V op' B" if it simplifies or is already available. // If V equals A then "V op' B" is just the LHS. If V equals CC then // "V op' B" is just the RHS. @@ -241,8 +236,7 @@ static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, return V == A ? LHS : RHS; } // Otherwise return "V op' B" if it simplifies. - if (Value *W = SimplifyBinOp(OpcodeToExtract, V, B, TD, TLI, DT, - MaxRecurse)) { + if (Value *W = SimplifyBinOp(OpcodeToExtract, V, B, Q, MaxRecurse)) { ++NumFactor; return W; } @@ -255,10 +249,7 @@ static Value *FactorizeBinOp(unsigned Opcode, Value *LHS, Value *RHS, /// SimplifyAssociativeBinOp - Generic simplifications for associative binary /// operations. Returns the simpler value, or null if none was found. static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { Instruction::BinaryOps Opcode = (Instruction::BinaryOps)Opc; assert(Instruction::isAssociative(Opcode) && "Not an associative operation!"); @@ -276,12 +267,12 @@ static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, Value *C = RHS; // Does "B op C" simplify? - if (Value *V = SimplifyBinOp(Opcode, B, C, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, B, C, Q, MaxRecurse)) { // It does! Return "A op V" if it simplifies or is already available. // If V equals B then "A op V" is just the LHS. if (V == B) return LHS; // Otherwise return "A op V" if it simplifies. - if (Value *W = SimplifyBinOp(Opcode, A, V, TD, TLI, DT, MaxRecurse)) { + if (Value *W = SimplifyBinOp(Opcode, A, V, Q, MaxRecurse)) { ++NumReassoc; return W; } @@ -295,12 +286,12 @@ static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, Value *C = Op1->getOperand(1); // Does "A op B" simplify? - if (Value *V = SimplifyBinOp(Opcode, A, B, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, A, B, Q, MaxRecurse)) { // It does! Return "V op C" if it simplifies or is already available. // If V equals B then "V op C" is just the RHS. if (V == B) return RHS; // Otherwise return "V op C" if it simplifies. - if (Value *W = SimplifyBinOp(Opcode, V, C, TD, TLI, DT, MaxRecurse)) { + if (Value *W = SimplifyBinOp(Opcode, V, C, Q, MaxRecurse)) { ++NumReassoc; return W; } @@ -318,12 +309,12 @@ static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, Value *C = RHS; // Does "C op A" simplify? - if (Value *V = SimplifyBinOp(Opcode, C, A, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, C, A, Q, MaxRecurse)) { // It does! Return "V op B" if it simplifies or is already available. // If V equals A then "V op B" is just the LHS. if (V == A) return LHS; // Otherwise return "V op B" if it simplifies. - if (Value *W = SimplifyBinOp(Opcode, V, B, TD, TLI, DT, MaxRecurse)) { + if (Value *W = SimplifyBinOp(Opcode, V, B, Q, MaxRecurse)) { ++NumReassoc; return W; } @@ -337,12 +328,12 @@ static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, Value *C = Op1->getOperand(1); // Does "C op A" simplify? - if (Value *V = SimplifyBinOp(Opcode, C, A, TD, TLI, DT, MaxRecurse)) { + if (Value *V = SimplifyBinOp(Opcode, C, A, Q, MaxRecurse)) { // It does! Return "B op V" if it simplifies or is already available. // If V equals C then "B op V" is just the RHS. if (V == C) return RHS; // Otherwise return "B op V" if it simplifies. - if (Value *W = SimplifyBinOp(Opcode, B, V, TD, TLI, DT, MaxRecurse)) { + if (Value *W = SimplifyBinOp(Opcode, B, V, Q, MaxRecurse)) { ++NumReassoc; return W; } @@ -357,10 +348,7 @@ static Value *SimplifyAssociativeBinOp(unsigned Opc, Value *LHS, Value *RHS, /// evaluating it on both branches of the select results in the same value. /// Returns the common value if so, otherwise returns null. static Value *ThreadBinOpOverSelect(unsigned Opcode, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { // Recursion is always used, so bail out at once if we already hit the limit. if (!MaxRecurse--) return 0; @@ -377,11 +365,11 @@ static Value *ThreadBinOpOverSelect(unsigned Opcode, Value *LHS, Value *RHS, Value *TV; Value *FV; if (SI == LHS) { - TV = SimplifyBinOp(Opcode, SI->getTrueValue(), RHS, TD, TLI, DT, MaxRecurse); - FV = SimplifyBinOp(Opcode, SI->getFalseValue(), RHS, TD, TLI, DT, MaxRecurse); + TV = SimplifyBinOp(Opcode, SI->getTrueValue(), RHS, Q, MaxRecurse); + FV = SimplifyBinOp(Opcode, SI->getFalseValue(), RHS, Q, MaxRecurse); } else { - TV = SimplifyBinOp(Opcode, LHS, SI->getTrueValue(), TD, TLI, DT, MaxRecurse); - FV = SimplifyBinOp(Opcode, LHS, SI->getFalseValue(), TD, TLI, DT, MaxRecurse); + TV = SimplifyBinOp(Opcode, LHS, SI->getTrueValue(), Q, MaxRecurse); + FV = SimplifyBinOp(Opcode, LHS, SI->getFalseValue(), Q, MaxRecurse); } // If they simplified to the same value, then return the common value. @@ -432,9 +420,7 @@ static Value *ThreadBinOpOverSelect(unsigned Opcode, Value *LHS, Value *RHS, /// result in the same value. Returns the common value if so, otherwise returns /// null. static Value *ThreadCmpOverSelect(CmpInst::Predicate Pred, Value *LHS, - Value *RHS, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, + Value *RHS, const Query &Q, unsigned MaxRecurse) { // Recursion is always used, so bail out at once if we already hit the limit. if (!MaxRecurse--) @@ -453,7 +439,7 @@ static Value *ThreadCmpOverSelect(CmpInst::Predicate Pred, Value *LHS, // Now that we have "cmp select(Cond, TV, FV), RHS", analyse it. // Does "cmp TV, RHS" simplify? - Value *TCmp = SimplifyCmpInst(Pred, TV, RHS, TD, TLI, DT, MaxRecurse); + Value *TCmp = SimplifyCmpInst(Pred, TV, RHS, Q, MaxRecurse); if (TCmp == Cond) { // It not only simplified, it simplified to the select condition. Replace // it with 'true'. @@ -467,7 +453,7 @@ static Value *ThreadCmpOverSelect(CmpInst::Predicate Pred, Value *LHS, } // Does "cmp FV, RHS" simplify? - Value *FCmp = SimplifyCmpInst(Pred, FV, RHS, TD, TLI, DT, MaxRecurse); + Value *FCmp = SimplifyCmpInst(Pred, FV, RHS, Q, MaxRecurse); if (FCmp == Cond) { // It not only simplified, it simplified to the select condition. Replace // it with 'false'. @@ -493,19 +479,19 @@ static Value *ThreadCmpOverSelect(CmpInst::Predicate Pred, Value *LHS, // is equal to "Cond && TCmp". This also catches the case when the false // value simplified to false and the true value to true, returning "Cond". if (match(FCmp, m_Zero())) - if (Value *V = SimplifyAndInst(Cond, TCmp, TD, TLI, DT, MaxRecurse)) + if (Value *V = SimplifyAndInst(Cond, TCmp, Q, MaxRecurse)) return V; // If the true value simplified to true, then the result of the compare // is equal to "Cond || FCmp". if (match(TCmp, m_One())) - if (Value *V = SimplifyOrInst(Cond, FCmp, TD, TLI, DT, MaxRecurse)) + if (Value *V = SimplifyOrInst(Cond, FCmp, Q, MaxRecurse)) return V; // Finally, if the false value simplified to true and the true value to // false, then the result of the compare is equal to "!Cond". if (match(FCmp, m_One()) && match(TCmp, m_Zero())) if (Value *V = SimplifyXorInst(Cond, Constant::getAllOnesValue(Cond->getType()), - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; return 0; @@ -516,10 +502,7 @@ static Value *ThreadCmpOverSelect(CmpInst::Predicate Pred, Value *LHS, /// it on the incoming phi values yields the same result for every value. If so /// returns the common value, otherwise returns null. static Value *ThreadBinOpOverPHI(unsigned Opcode, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { // Recursion is always used, so bail out at once if we already hit the limit. if (!MaxRecurse--) return 0; @@ -528,13 +511,13 @@ static Value *ThreadBinOpOverPHI(unsigned Opcode, Value *LHS, Value *RHS, if (isa(LHS)) { PI = cast(LHS); // Bail out if RHS and the phi may be mutually interdependent due to a loop. - if (!ValueDominatesPHI(RHS, PI, DT)) + if (!ValueDominatesPHI(RHS, PI, Q.DT)) return 0; } else { assert(isa(RHS) && "No PHI instruction operand!"); PI = cast(RHS); // Bail out if LHS and the phi may be mutually interdependent due to a loop. - if (!ValueDominatesPHI(LHS, PI, DT)) + if (!ValueDominatesPHI(LHS, PI, Q.DT)) return 0; } @@ -545,8 +528,8 @@ static Value *ThreadBinOpOverPHI(unsigned Opcode, Value *LHS, Value *RHS, // If the incoming value is the phi node itself, it can safely be skipped. if (Incoming == PI) continue; Value *V = PI == LHS ? - SimplifyBinOp(Opcode, Incoming, RHS, TD, TLI, DT, MaxRecurse) : - SimplifyBinOp(Opcode, LHS, Incoming, TD, TLI, DT, MaxRecurse); + SimplifyBinOp(Opcode, Incoming, RHS, Q, MaxRecurse) : + SimplifyBinOp(Opcode, LHS, Incoming, Q, MaxRecurse); // If the operation failed to simplify, or simplified to a different value // to previously, then give up. if (!V || (CommonValue && V != CommonValue)) @@ -562,10 +545,7 @@ static Value *ThreadBinOpOverPHI(unsigned Opcode, Value *LHS, Value *RHS, /// incoming phi values yields the same result every time. If so returns the /// common result, otherwise returns null. static Value *ThreadCmpOverPHI(CmpInst::Predicate Pred, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { // Recursion is always used, so bail out at once if we already hit the limit. if (!MaxRecurse--) return 0; @@ -579,7 +559,7 @@ static Value *ThreadCmpOverPHI(CmpInst::Predicate Pred, Value *LHS, Value *RHS, PHINode *PI = cast(LHS); // Bail out if RHS and the phi may be mutually interdependent due to a loop. - if (!ValueDominatesPHI(RHS, PI, DT)) + if (!ValueDominatesPHI(RHS, PI, Q.DT)) return 0; // Evaluate the BinOp on the incoming phi values. @@ -588,7 +568,7 @@ static Value *ThreadCmpOverPHI(CmpInst::Predicate Pred, Value *LHS, Value *RHS, Value *Incoming = PI->getIncomingValue(i); // If the incoming value is the phi node itself, it can safely be skipped. if (Incoming == PI) continue; - Value *V = SimplifyCmpInst(Pred, Incoming, RHS, TD, TLI, DT, MaxRecurse); + Value *V = SimplifyCmpInst(Pred, Incoming, RHS, Q, MaxRecurse); // If the operation failed to simplify, or simplified to a different value // to previously, then give up. if (!V || (CommonValue && V != CommonValue)) @@ -602,15 +582,12 @@ static Value *ThreadCmpOverPHI(CmpInst::Predicate Pred, Value *LHS, Value *RHS, /// SimplifyAddInst - Given operands for an Add, see if we can /// fold the result. If not, this returns null. static Value *SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) { if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; - return ConstantFoldInstOperands(Instruction::Add, CLHS->getType(), - Ops, TD, TLI); + return ConstantFoldInstOperands(Instruction::Add, CLHS->getType(), Ops, + Q.TD, Q.TLI); } // Canonicalize the constant to the RHS. @@ -640,17 +617,17 @@ static Value *SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, /// i1 add -> xor. if (MaxRecurse && Op0->getType()->isIntegerTy(1)) - if (Value *V = SimplifyXorInst(Op0, Op1, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyXorInst(Op0, Op1, Q, MaxRecurse-1)) return V; // Try some generic simplifications for associative operations. - if (Value *V = SimplifyAssociativeBinOp(Instruction::Add, Op0, Op1, TD, TLI, DT, + if (Value *V = SimplifyAssociativeBinOp(Instruction::Add, Op0, Op1, Q, MaxRecurse)) return V; // Mul distributes over Add. Try some generic simplifications based on this. if (Value *V = FactorizeBinOp(Instruction::Add, Op0, Op1, Instruction::Mul, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // Threading Add over selects and phi nodes is pointless, so don't bother. @@ -668,7 +645,8 @@ static Value *SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *llvm::SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyAddInst(Op0, Op1, isNSW, isNUW, TD, TLI, DT, RecursionLimit); + return ::SimplifyAddInst(Op0, Op1, isNSW, isNUW, Query (TD, TLI, DT), + RecursionLimit); } /// \brief Accumulate the constant integer offset a GEP represents. @@ -771,15 +749,12 @@ static Constant *computePointerDifference(const TargetData &TD, /// SimplifySubInst - Given operands for a Sub, see if we can /// fold the result. If not, this returns null. static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; return ConstantFoldInstOperands(Instruction::Sub, CLHS->getType(), - Ops, TD, TLI); + Ops, Q.TD, Q.TLI); } // X - undef -> undef @@ -802,17 +777,17 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, match(Op0, m_Shl(m_Specific(Op1), m_One()))) return Op1; - if (TD) { + if (Q.TD) { Value *LHSOp, *RHSOp; if (match(Op0, m_PtrToInt(m_Value(LHSOp))) && match(Op1, m_PtrToInt(m_Value(RHSOp)))) - if (Constant *Result = computePointerDifference(*TD, LHSOp, RHSOp)) + if (Constant *Result = computePointerDifference(*Q.TD, LHSOp, RHSOp)) return ConstantExpr::getIntegerCast(Result, Op0->getType(), true); // trunc(p)-trunc(q) -> trunc(p-q) if (match(Op0, m_Trunc(m_PtrToInt(m_Value(LHSOp)))) && match(Op1, m_Trunc(m_PtrToInt(m_Value(RHSOp))))) - if (Constant *Result = computePointerDifference(*TD, LHSOp, RHSOp)) + if (Constant *Result = computePointerDifference(*Q.TD, LHSOp, RHSOp)) return ConstantExpr::getIntegerCast(Result, Op0->getType(), true); } @@ -821,19 +796,17 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *Y = 0, *Z = Op1; if (MaxRecurse && match(Op0, m_Add(m_Value(X), m_Value(Y)))) { // (X + Y) - Z // See if "V === Y - Z" simplifies. - if (Value *V = SimplifyBinOp(Instruction::Sub, Y, Z, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyBinOp(Instruction::Sub, Y, Z, Q, MaxRecurse-1)) // It does! Now see if "X + V" simplifies. - if (Value *W = SimplifyBinOp(Instruction::Add, X, V, TD, TLI, DT, - MaxRecurse-1)) { + if (Value *W = SimplifyBinOp(Instruction::Add, X, V, Q, MaxRecurse-1)) { // It does, we successfully reassociated! ++NumReassoc; return W; } // See if "V === X - Z" simplifies. - if (Value *V = SimplifyBinOp(Instruction::Sub, X, Z, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyBinOp(Instruction::Sub, X, Z, Q, MaxRecurse-1)) // It does! Now see if "Y + V" simplifies. - if (Value *W = SimplifyBinOp(Instruction::Add, Y, V, TD, TLI, DT, - MaxRecurse-1)) { + if (Value *W = SimplifyBinOp(Instruction::Add, Y, V, Q, MaxRecurse-1)) { // It does, we successfully reassociated! ++NumReassoc; return W; @@ -845,19 +818,17 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, X = Op0; if (MaxRecurse && match(Op1, m_Add(m_Value(Y), m_Value(Z)))) { // X - (Y + Z) // See if "V === X - Y" simplifies. - if (Value *V = SimplifyBinOp(Instruction::Sub, X, Y, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyBinOp(Instruction::Sub, X, Y, Q, MaxRecurse-1)) // It does! Now see if "V - Z" simplifies. - if (Value *W = SimplifyBinOp(Instruction::Sub, V, Z, TD, TLI, DT, - MaxRecurse-1)) { + if (Value *W = SimplifyBinOp(Instruction::Sub, V, Z, Q, MaxRecurse-1)) { // It does, we successfully reassociated! ++NumReassoc; return W; } // See if "V === X - Z" simplifies. - if (Value *V = SimplifyBinOp(Instruction::Sub, X, Z, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyBinOp(Instruction::Sub, X, Z, Q, MaxRecurse-1)) // It does! Now see if "V - Y" simplifies. - if (Value *W = SimplifyBinOp(Instruction::Sub, V, Y, TD, TLI, DT, - MaxRecurse-1)) { + if (Value *W = SimplifyBinOp(Instruction::Sub, V, Y, Q, MaxRecurse-1)) { // It does, we successfully reassociated! ++NumReassoc; return W; @@ -869,10 +840,9 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Z = Op0; if (MaxRecurse && match(Op1, m_Sub(m_Value(X), m_Value(Y)))) // Z - (X - Y) // See if "V === Z - X" simplifies. - if (Value *V = SimplifyBinOp(Instruction::Sub, Z, X, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyBinOp(Instruction::Sub, Z, X, Q, MaxRecurse-1)) // It does! Now see if "V + Y" simplifies. - if (Value *W = SimplifyBinOp(Instruction::Add, V, Y, TD, TLI, DT, - MaxRecurse-1)) { + if (Value *W = SimplifyBinOp(Instruction::Add, V, Y, Q, MaxRecurse-1)) { // It does, we successfully reassociated! ++NumReassoc; return W; @@ -880,12 +850,12 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, // Mul distributes over Sub. Try some generic simplifications based on this. if (Value *V = FactorizeBinOp(Instruction::Sub, Op0, Op1, Instruction::Mul, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // i1 sub -> xor. if (MaxRecurse && Op0->getType()->isIntegerTy(1)) - if (Value *V = SimplifyXorInst(Op0, Op1, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyXorInst(Op0, Op1, Q, MaxRecurse-1)) return V; // Threading Sub over selects and phi nodes is pointless, so don't bother. @@ -901,22 +871,21 @@ static Value *SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, } Value *llvm::SimplifySubInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, - const TargetData *TD, - const TargetLibraryInfo *TLI, + const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifySubInst(Op0, Op1, isNSW, isNUW, TD, TLI, DT, RecursionLimit); + return ::SimplifySubInst(Op0, Op1, isNSW, isNUW, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifyMulInst - Given operands for a Mul, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyMulInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { +static Value *SimplifyMulInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) { if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; return ConstantFoldInstOperands(Instruction::Mul, CLHS->getType(), - Ops, TD, TLI); + Ops, Q.TD, Q.TLI); } // Canonicalize the constant to the RHS. @@ -943,30 +912,30 @@ static Value *SimplifyMulInst(Value *Op0, Value *Op1, const TargetData *TD, // i1 mul -> and. if (MaxRecurse && Op0->getType()->isIntegerTy(1)) - if (Value *V = SimplifyAndInst(Op0, Op1, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyAndInst(Op0, Op1, Q, MaxRecurse-1)) return V; // Try some generic simplifications for associative operations. - if (Value *V = SimplifyAssociativeBinOp(Instruction::Mul, Op0, Op1, TD, TLI, DT, + if (Value *V = SimplifyAssociativeBinOp(Instruction::Mul, Op0, Op1, Q, MaxRecurse)) return V; // Mul distributes over Add. Try some generic simplifications based on this. if (Value *V = ExpandBinOp(Instruction::Mul, Op0, Op1, Instruction::Add, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Instruction::Mul, Op0, Op1, TD, TLI, DT, + if (Value *V = ThreadBinOpOverSelect(Instruction::Mul, Op0, Op1, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Instruction::Mul, Op0, Op1, TD, TLI, DT, + if (Value *V = ThreadBinOpOverPHI(Instruction::Mul, Op0, Op1, Q, MaxRecurse)) return V; @@ -976,18 +945,17 @@ static Value *SimplifyMulInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyMulInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyMulInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyMulInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyDiv - Given operands for an SDiv or UDiv, see if we can /// fold the result. If not, this returns null. static Value *SimplifyDiv(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, - const TargetData *TD, const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (Constant *C0 = dyn_cast(Op0)) { if (Constant *C1 = dyn_cast(Op1)) { Constant *Ops[] = { C0, C1 }; - return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, TD, TLI); + return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, Q.TD, Q.TLI); } } @@ -1040,15 +1008,13 @@ static Value *SimplifyDiv(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, TD, TLI, DT, - MaxRecurse)) + if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, TD, TLI, DT, - MaxRecurse)) + if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1056,11 +1022,9 @@ static Value *SimplifyDiv(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, /// SimplifySDivInst - Given operands for an SDiv, see if we can /// fold the result. If not, this returns null. -static Value *SimplifySDivInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { - if (Value *V = SimplifyDiv(Instruction::SDiv, Op0, Op1, TD, TLI, DT, - MaxRecurse)) +static Value *SimplifySDivInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { + if (Value *V = SimplifyDiv(Instruction::SDiv, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1069,16 +1033,14 @@ static Value *SimplifySDivInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifySDivInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifySDivInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifySDivInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyUDivInst - Given operands for a UDiv, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyUDivInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { - if (Value *V = SimplifyDiv(Instruction::UDiv, Op0, Op1, TD, TLI, DT, - MaxRecurse)) +static Value *SimplifyUDivInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { + if (Value *V = SimplifyDiv(Instruction::UDiv, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1087,12 +1049,11 @@ static Value *SimplifyUDivInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyUDivInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyUDivInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyUDivInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } -static Value *SimplifyFDivInst(Value *Op0, Value *Op1, const TargetData *, - const TargetLibraryInfo *, - const DominatorTree *, unsigned) { +static Value *SimplifyFDivInst(Value *Op0, Value *Op1, const Query &Q, + unsigned) { // undef / X -> undef (the undef could be a snan). if (match(Op0, m_Undef())) return Op0; @@ -1107,18 +1068,17 @@ static Value *SimplifyFDivInst(Value *Op0, Value *Op1, const TargetData *, Value *llvm::SimplifyFDivInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyFDivInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyFDivInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyRem - Given operands for an SRem or URem, see if we can /// fold the result. If not, this returns null. static Value *SimplifyRem(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, - const TargetData *TD, const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (Constant *C0 = dyn_cast(Op0)) { if (Constant *C1 = dyn_cast(Op1)) { Constant *Ops[] = { C0, C1 }; - return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, TD, TLI); + return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, Q.TD, Q.TLI); } } @@ -1153,13 +1113,13 @@ static Value *SimplifyRem(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1167,11 +1127,9 @@ static Value *SimplifyRem(Instruction::BinaryOps Opcode, Value *Op0, Value *Op1, /// SimplifySRemInst - Given operands for an SRem, see if we can /// fold the result. If not, this returns null. -static Value *SimplifySRemInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { - if (Value *V = SimplifyRem(Instruction::SRem, Op0, Op1, TD, TLI, DT, MaxRecurse)) +static Value *SimplifySRemInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { + if (Value *V = SimplifyRem(Instruction::SRem, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1180,16 +1138,14 @@ static Value *SimplifySRemInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifySRemInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifySRemInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifySRemInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyURemInst - Given operands for a URem, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyURemInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, +static Value *SimplifyURemInst(Value *Op0, Value *Op1, const Query &Q, unsigned MaxRecurse) { - if (Value *V = SimplifyRem(Instruction::URem, Op0, Op1, TD, TLI, DT, MaxRecurse)) + if (Value *V = SimplifyRem(Instruction::URem, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1198,12 +1154,10 @@ static Value *SimplifyURemInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyURemInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyURemInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyURemInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } -static Value *SimplifyFRemInst(Value *Op0, Value *Op1, const TargetData *, - const TargetLibraryInfo *, - const DominatorTree *, +static Value *SimplifyFRemInst(Value *Op0, Value *Op1, const Query &, unsigned) { // undef % X -> undef (the undef could be a snan). if (match(Op0, m_Undef())) @@ -1219,18 +1173,17 @@ static Value *SimplifyFRemInst(Value *Op0, Value *Op1, const TargetData *, Value *llvm::SimplifyFRemInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyFRemInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyFRemInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyShift - Given operands for an Shl, LShr or AShr, see if we can /// fold the result. If not, this returns null. static Value *SimplifyShift(unsigned Opcode, Value *Op0, Value *Op1, - const TargetData *TD, const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (Constant *C0 = dyn_cast(Op0)) { if (Constant *C1 = dyn_cast(Op1)) { Constant *Ops[] = { C0, C1 }; - return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, TD, TLI); + return ConstantFoldInstOperands(Opcode, C0->getType(), Ops, Q.TD, Q.TLI); } } @@ -1255,13 +1208,13 @@ static Value *SimplifyShift(unsigned Opcode, Value *Op0, Value *Op1, // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadBinOpOverSelect(Opcode, Op0, Op1, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadBinOpOverPHI(Opcode, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1270,10 +1223,8 @@ static Value *SimplifyShift(unsigned Opcode, Value *Op0, Value *Op1, /// SimplifyShlInst - Given operands for an Shl, see if we can /// fold the result. If not, this returns null. static Value *SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { - if (Value *V = SimplifyShift(Instruction::Shl, Op0, Op1, TD, TLI, DT, MaxRecurse)) + const Query &Q, unsigned MaxRecurse) { + if (Value *V = SimplifyShift(Instruction::Shl, Op0, Op1, Q, MaxRecurse)) return V; // undef << X -> 0 @@ -1290,17 +1241,15 @@ static Value *SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, Value *llvm::SimplifyShlInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyShlInst(Op0, Op1, isNSW, isNUW, TD, TLI, DT, RecursionLimit); + return ::SimplifyShlInst(Op0, Op1, isNSW, isNUW, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifyLShrInst - Given operands for an LShr, see if we can /// fold the result. If not, this returns null. static Value *SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { - if (Value *V = SimplifyShift(Instruction::LShr, Op0, Op1, TD, TLI, DT, MaxRecurse)) + const Query &Q, unsigned MaxRecurse) { + if (Value *V = SimplifyShift(Instruction::LShr, Op0, Op1, Q, MaxRecurse)) return V; // undef >>l X -> 0 @@ -1320,17 +1269,15 @@ Value *llvm::SimplifyLShrInst(Value *Op0, Value *Op1, bool isExact, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyLShrInst(Op0, Op1, isExact, TD, TLI, DT, RecursionLimit); + return ::SimplifyLShrInst(Op0, Op1, isExact, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifyAShrInst - Given operands for an AShr, see if we can /// fold the result. If not, this returns null. static Value *SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { - if (Value *V = SimplifyShift(Instruction::AShr, Op0, Op1, TD, TLI, DT, MaxRecurse)) + const Query &Q, unsigned MaxRecurse) { + if (Value *V = SimplifyShift(Instruction::AShr, Op0, Op1, Q, MaxRecurse)) return V; // all ones >>a X -> all ones @@ -1354,20 +1301,19 @@ Value *llvm::SimplifyAShrInst(Value *Op0, Value *Op1, bool isExact, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyAShrInst(Op0, Op1, isExact, TD, TLI, DT, RecursionLimit); + return ::SimplifyAShrInst(Op0, Op1, isExact, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifyAndInst - Given operands for an And, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyAndInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, +static Value *SimplifyAndInst(Value *Op0, Value *Op1, const Query &Q, unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) { if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; return ConstantFoldInstOperands(Instruction::And, CLHS->getType(), - Ops, TD, TLI); + Ops, Q.TD, Q.TLI); } // Canonicalize the constant to the RHS. @@ -1409,43 +1355,43 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const TargetData *TD, // 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 (isPowerOfTwo(Op0, TD, /*OrZero*/true)) + if (isPowerOfTwo(Op0, Q.TD, /*OrZero*/true)) return Op0; - if (isPowerOfTwo(Op1, TD, /*OrZero*/true)) + if (isPowerOfTwo(Op1, Q.TD, /*OrZero*/true)) return Op1; } // Try some generic simplifications for associative operations. - if (Value *V = SimplifyAssociativeBinOp(Instruction::And, Op0, Op1, TD, TLI, - DT, MaxRecurse)) + if (Value *V = SimplifyAssociativeBinOp(Instruction::And, Op0, Op1, Q, + MaxRecurse)) return V; // And distributes over Or. Try some generic simplifications based on this. if (Value *V = ExpandBinOp(Instruction::And, Op0, Op1, Instruction::Or, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // And distributes over Xor. Try some generic simplifications based on this. if (Value *V = ExpandBinOp(Instruction::And, Op0, Op1, Instruction::Xor, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // Or distributes over And. Try some generic simplifications based on this. if (Value *V = FactorizeBinOp(Instruction::And, Op0, Op1, Instruction::Or, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Instruction::And, Op0, Op1, TD, TLI, - DT, MaxRecurse)) + if (Value *V = ThreadBinOpOverSelect(Instruction::And, Op0, Op1, Q, + MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Instruction::And, Op0, Op1, TD, TLI, DT, + if (Value *V = ThreadBinOpOverPHI(Instruction::And, Op0, Op1, Q, MaxRecurse)) return V; @@ -1455,19 +1401,18 @@ static Value *SimplifyAndInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyAndInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyAndInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyAndInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyOrInst - Given operands for an Or, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyOrInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { +static Value *SimplifyOrInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) { if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; return ConstantFoldInstOperands(Instruction::Or, CLHS->getType(), - Ops, TD, TLI); + Ops, Q.TD, Q.TLI); } // Canonicalize the constant to the RHS. @@ -1517,32 +1462,31 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const TargetData *TD, return Constant::getAllOnesValue(Op0->getType()); // Try some generic simplifications for associative operations. - if (Value *V = SimplifyAssociativeBinOp(Instruction::Or, Op0, Op1, TD, TLI, - DT, MaxRecurse)) + if (Value *V = SimplifyAssociativeBinOp(Instruction::Or, Op0, Op1, Q, + MaxRecurse)) return V; // Or distributes over And. Try some generic simplifications based on this. - if (Value *V = ExpandBinOp(Instruction::Or, Op0, Op1, Instruction::And, TD, - TLI, DT, MaxRecurse)) + if (Value *V = ExpandBinOp(Instruction::Or, Op0, Op1, Instruction::And, Q, + MaxRecurse)) return V; // And distributes over Or. Try some generic simplifications based on this. if (Value *V = FactorizeBinOp(Instruction::Or, Op0, Op1, Instruction::And, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // If the operation is with the result of a select instruction, check whether // operating on either branch of the select always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverSelect(Instruction::Or, Op0, Op1, TD, TLI, DT, + if (Value *V = ThreadBinOpOverSelect(Instruction::Or, Op0, Op1, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(Op0) || isa(Op1)) - if (Value *V = ThreadBinOpOverPHI(Instruction::Or, Op0, Op1, TD, TLI, DT, - MaxRecurse)) + if (Value *V = ThreadBinOpOverPHI(Instruction::Or, Op0, Op1, Q, MaxRecurse)) return V; return 0; @@ -1551,19 +1495,18 @@ static Value *SimplifyOrInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyOrInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyOrInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyOrInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyXorInst - Given operands for a Xor, see if we can /// fold the result. If not, this returns null. -static Value *SimplifyXorInst(Value *Op0, Value *Op1, const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, unsigned MaxRecurse) { +static Value *SimplifyXorInst(Value *Op0, Value *Op1, const Query &Q, + unsigned MaxRecurse) { if (Constant *CLHS = dyn_cast(Op0)) { if (Constant *CRHS = dyn_cast(Op1)) { Constant *Ops[] = { CLHS, CRHS }; return ConstantFoldInstOperands(Instruction::Xor, CLHS->getType(), - Ops, TD, TLI); + Ops, Q.TD, Q.TLI); } // Canonicalize the constant to the RHS. @@ -1588,13 +1531,13 @@ static Value *SimplifyXorInst(Value *Op0, Value *Op1, const TargetData *TD, return Constant::getAllOnesValue(Op0->getType()); // Try some generic simplifications for associative operations. - if (Value *V = SimplifyAssociativeBinOp(Instruction::Xor, Op0, Op1, TD, TLI, - DT, MaxRecurse)) + if (Value *V = SimplifyAssociativeBinOp(Instruction::Xor, Op0, Op1, Q, + MaxRecurse)) return V; // And distributes over Xor. Try some generic simplifications based on this. if (Value *V = FactorizeBinOp(Instruction::Xor, Op0, Op1, Instruction::And, - TD, TLI, DT, MaxRecurse)) + Q, MaxRecurse)) return V; // Threading Xor over selects and phi nodes is pointless, so don't bother. @@ -1612,7 +1555,7 @@ static Value *SimplifyXorInst(Value *Op0, Value *Op1, const TargetData *TD, Value *llvm::SimplifyXorInst(Value *Op0, Value *Op1, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyXorInst(Op0, Op1, TD, TLI, DT, RecursionLimit); + return ::SimplifyXorInst(Op0, Op1, Query (TD, TLI, DT), RecursionLimit); } static Type *GetCompareTy(Value *Op) { @@ -1643,16 +1586,13 @@ static Value *ExtractEquivalentCondition(Value *V, CmpInst::Predicate Pred, /// SimplifyICmpInst - Given operands for an ICmpInst, see if we can /// fold the result. If not, this returns null. static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { CmpInst::Predicate Pred = (CmpInst::Predicate)Predicate; assert(CmpInst::isIntPredicate(Pred) && "Not an integer compare!"); if (Constant *CLHS = dyn_cast(LHS)) { if (Constant *CRHS = dyn_cast(RHS)) - return ConstantFoldCompareInstOperands(Pred, CLHS, CRHS, TD, TLI); + return ConstantFoldCompareInstOperands(Pred, CLHS, CRHS, Q.TD, Q.TLI); // If we have a constant, make sure it is on the RHS. std::swap(LHS, RHS); @@ -1766,40 +1706,40 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getTrue(ITy); case ICmpInst::ICMP_EQ: case ICmpInst::ICMP_ULE: - if (isKnownNonZero(LHS, TD)) + if (isKnownNonZero(LHS, Q.TD)) return getFalse(ITy); break; case ICmpInst::ICMP_NE: case ICmpInst::ICMP_UGT: - if (isKnownNonZero(LHS, TD)) + if (isKnownNonZero(LHS, Q.TD)) return getTrue(ITy); break; case ICmpInst::ICMP_SLT: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, TD); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.TD); if (LHSKnownNegative) return getTrue(ITy); if (LHSKnownNonNegative) return getFalse(ITy); break; case ICmpInst::ICMP_SLE: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, TD); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.TD); if (LHSKnownNegative) return getTrue(ITy); - if (LHSKnownNonNegative && isKnownNonZero(LHS, TD)) + if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.TD)) return getFalse(ITy); break; case ICmpInst::ICMP_SGE: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, TD); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.TD); if (LHSKnownNegative) return getFalse(ITy); if (LHSKnownNonNegative) return getTrue(ITy); break; case ICmpInst::ICMP_SGT: - ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, TD); + ComputeSignBit(LHS, LHSKnownNonNegative, LHSKnownNegative, Q.TD); if (LHSKnownNegative) return getFalse(ITy); - if (LHSKnownNonNegative && isKnownNonZero(LHS, TD)) + if (LHSKnownNonNegative && isKnownNonZero(LHS, Q.TD)) return getTrue(ITy); break; } @@ -1882,19 +1822,19 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // Turn icmp (ptrtoint x), (ptrtoint/constant) into a compare of the input // if the integer type is the same size as the pointer type. - if (MaxRecurse && TD && isa(LI) && - TD->getPointerSizeInBits() == DstTy->getPrimitiveSizeInBits()) { + if (MaxRecurse && Q.TD && isa(LI) && + Q.TD->getPointerSizeInBits() == DstTy->getPrimitiveSizeInBits()) { if (Constant *RHSC = dyn_cast(RHS)) { // Transfer the cast to the constant. if (Value *V = SimplifyICmpInst(Pred, SrcOp, ConstantExpr::getIntToPtr(RHSC, SrcTy), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; } else if (PtrToIntInst *RI = dyn_cast(RHS)) { if (RI->getOperand(0)->getType() == SrcTy) // Compare without the cast. if (Value *V = SimplifyICmpInst(Pred, SrcOp, RI->getOperand(0), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; } } @@ -1906,7 +1846,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (MaxRecurse && SrcTy == RI->getOperand(0)->getType()) // Compare X and Y. Note that signed predicates become unsigned. if (Value *V = SimplifyICmpInst(ICmpInst::getUnsignedPredicate(Pred), - SrcOp, RI->getOperand(0), TD, TLI, DT, + SrcOp, RI->getOperand(0), Q, MaxRecurse-1)) return V; } @@ -1922,7 +1862,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // also a case of comparing two zero-extended values. if (RExt == CI && MaxRecurse) if (Value *V = SimplifyICmpInst(ICmpInst::getUnsignedPredicate(Pred), - SrcOp, Trunc, TD, TLI, DT, MaxRecurse-1)) + SrcOp, Trunc, Q, MaxRecurse-1)) return V; // Otherwise the upper bits of LHS are zero while RHS has a non-zero bit @@ -1966,7 +1906,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (MaxRecurse && SrcTy == RI->getOperand(0)->getType()) // Compare X and Y. Note that the predicate does not change. if (Value *V = SimplifyICmpInst(Pred, SrcOp, RI->getOperand(0), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; } // Turn icmp (sext X), Cst into a compare of X and Cst if Cst is extended @@ -1980,8 +1920,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // If the re-extended constant didn't change then this is effectively // also a case of comparing two sign-extended values. if (RExt == CI && MaxRecurse) - if (Value *V = SimplifyICmpInst(Pred, SrcOp, Trunc, TD, TLI, DT, - MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(Pred, SrcOp, Trunc, Q, MaxRecurse-1)) return V; // Otherwise the upper bits of LHS are all equal, while RHS has varying @@ -2015,7 +1954,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (MaxRecurse) if (Value *V = SimplifyICmpInst(ICmpInst::ICMP_SLT, SrcOp, Constant::getNullValue(SrcTy), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; break; case ICmpInst::ICMP_ULT: @@ -2024,7 +1963,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (MaxRecurse) if (Value *V = SimplifyICmpInst(ICmpInst::ICMP_SGE, SrcOp, Constant::getNullValue(SrcTy), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; break; } @@ -2058,14 +1997,14 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if ((A == RHS || B == RHS) && NoLHSWrapProblem) if (Value *V = SimplifyICmpInst(Pred, A == RHS ? B : A, Constant::getNullValue(RHS->getType()), - TD, TLI, DT, MaxRecurse-1)) + Q, MaxRecurse-1)) return V; // icmp X, (X+Y) -> icmp 0, Y for equalities or if there is no overflow. if ((C == LHS || D == LHS) && NoRHSWrapProblem) if (Value *V = SimplifyICmpInst(Pred, Constant::getNullValue(LHS->getType()), - C == LHS ? D : C, TD, TLI, DT, MaxRecurse-1)) + C == LHS ? D : C, Q, MaxRecurse-1)) return V; // icmp (X+Y), (X+Z) -> icmp Y,Z for equalities or if there is no overflow. @@ -2074,7 +2013,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // Determine Y and Z in the form icmp (X+Y), (X+Z). Value *Y = (A == C || A == D) ? B : A; Value *Z = (C == A || C == B) ? D : C; - if (Value *V = SimplifyICmpInst(Pred, Y, Z, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(Pred, Y, Z, Q, MaxRecurse-1)) return V; } } @@ -2086,7 +2025,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, break; case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGE: - ComputeSignBit(LHS, KnownNonNegative, KnownNegative, TD); + ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.TD); if (!KnownNonNegative) break; // fall-through @@ -2096,7 +2035,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getFalse(ITy); case ICmpInst::ICMP_SLT: case ICmpInst::ICMP_SLE: - ComputeSignBit(LHS, KnownNonNegative, KnownNegative, TD); + ComputeSignBit(LHS, KnownNonNegative, KnownNegative, Q.TD); if (!KnownNonNegative) break; // fall-through @@ -2113,7 +2052,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, break; case ICmpInst::ICMP_SGT: case ICmpInst::ICMP_SGE: - ComputeSignBit(RHS, KnownNonNegative, KnownNegative, TD); + ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.TD); if (!KnownNonNegative) break; // fall-through @@ -2123,7 +2062,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return getTrue(ITy); case ICmpInst::ICMP_SLT: case ICmpInst::ICMP_SLE: - ComputeSignBit(RHS, KnownNonNegative, KnownNegative, TD); + ComputeSignBit(RHS, KnownNonNegative, KnownNegative, Q.TD); if (!KnownNonNegative) break; // fall-through @@ -2157,7 +2096,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (!LBO->isExact() || !RBO->isExact()) break; if (Value *V = SimplifyICmpInst(Pred, LBO->getOperand(0), - RBO->getOperand(0), TD, TLI, DT, MaxRecurse-1)) + RBO->getOperand(0), Q, MaxRecurse-1)) return V; break; case Instruction::Shl: { @@ -2168,7 +2107,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, if (!NSW && ICmpInst::isSigned(Pred)) break; if (Value *V = SimplifyICmpInst(Pred, LBO->getOperand(0), - RBO->getOperand(0), TD, TLI, DT, MaxRecurse-1)) + RBO->getOperand(0), Q, MaxRecurse-1)) return V; break; } @@ -2222,7 +2161,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return V; // Otherwise, see if "A EqP B" simplifies. if (MaxRecurse) - if (Value *V = SimplifyICmpInst(EqP, A, B, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(EqP, A, B, Q, MaxRecurse-1)) return V; break; case CmpInst::ICMP_NE: @@ -2236,7 +2175,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return V; // Otherwise, see if "A InvEqP B" simplifies. if (MaxRecurse) - if (Value *V = SimplifyICmpInst(InvEqP, A, B, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(InvEqP, A, B, Q, MaxRecurse-1)) return V; break; } @@ -2292,7 +2231,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return V; // Otherwise, see if "A EqP B" simplifies. if (MaxRecurse) - if (Value *V = SimplifyICmpInst(EqP, A, B, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(EqP, A, B, Q, MaxRecurse-1)) return V; break; case CmpInst::ICMP_NE: @@ -2306,7 +2245,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, return V; // Otherwise, see if "A InvEqP B" simplifies. if (MaxRecurse) - if (Value *V = SimplifyICmpInst(InvEqP, A, B, TD, TLI, DT, MaxRecurse-1)) + if (Value *V = SimplifyICmpInst(InvEqP, A, B, Q, MaxRecurse-1)) return V; break; } @@ -2388,13 +2327,13 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // If the comparison is with the result of a select instruction, check whether // comparing with either branch of the select always yields the same value. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadCmpOverSelect(Pred, LHS, RHS, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadCmpOverSelect(Pred, LHS, RHS, Q, MaxRecurse)) return V; // If the comparison is with the result of a phi instruction, check whether // doing the compare with each incoming phi value yields a common result. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadCmpOverPHI(Pred, LHS, RHS, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadCmpOverPHI(Pred, LHS, RHS, Q, MaxRecurse)) return V; return 0; @@ -2404,22 +2343,20 @@ Value *llvm::SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyICmpInst(Predicate, LHS, RHS, TD, TLI, DT, RecursionLimit); + return ::SimplifyICmpInst(Predicate, LHS, RHS, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifyFCmpInst - Given operands for an FCmpInst, see if we can /// fold the result. If not, this returns null. static Value *SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { CmpInst::Predicate Pred = (CmpInst::Predicate)Predicate; assert(CmpInst::isFPPredicate(Pred) && "Not an FP compare!"); if (Constant *CLHS = dyn_cast(LHS)) { if (Constant *CRHS = dyn_cast(RHS)) - return ConstantFoldCompareInstOperands(Pred, CLHS, CRHS, TD, TLI); + return ConstantFoldCompareInstOperands(Pred, CLHS, CRHS, Q.TD, Q.TLI); // If we have a constant, make sure it is on the RHS. std::swap(LHS, RHS); @@ -2487,13 +2424,13 @@ static Value *SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS, // If the comparison is with the result of a select instruction, check whether // comparing with either branch of the select always yields the same value. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadCmpOverSelect(Pred, LHS, RHS, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadCmpOverSelect(Pred, LHS, RHS, Q, MaxRecurse)) return V; // If the comparison is with the result of a phi instruction, check whether // doing the compare with each incoming phi value yields a common result. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadCmpOverPHI(Pred, LHS, RHS, TD, TLI, DT, MaxRecurse)) + if (Value *V = ThreadCmpOverPHI(Pred, LHS, RHS, Q, MaxRecurse)) return V; return 0; @@ -2503,13 +2440,15 @@ Value *llvm::SimplifyFCmpInst(unsigned Predicate, Value *LHS, Value *RHS, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyFCmpInst(Predicate, LHS, RHS, TD, TLI, DT, RecursionLimit); + return ::SimplifyFCmpInst(Predicate, LHS, RHS, Query (TD, TLI, DT), + RecursionLimit); } /// SimplifySelectInst - Given operands for a SelectInst, see if we can fold /// the result. If not, this returns null. -Value *llvm::SimplifySelectInst(Value *CondVal, Value *TrueVal, Value *FalseVal, - const TargetData *TD, const DominatorTree *) { +static Value *SimplifySelectInst(Value *CondVal, Value *TrueVal, + Value *FalseVal, const Query &Q, + unsigned MaxRecurse) { // select true, X, Y -> X // select false, X, Y -> Y if (ConstantInt *CB = dyn_cast(CondVal)) @@ -2532,10 +2471,17 @@ Value *llvm::SimplifySelectInst(Value *CondVal, Value *TrueVal, Value *FalseVal, return 0; } +Value *llvm::SimplifySelectInst(Value *Cond, Value *TrueVal, Value *FalseVal, + const TargetData *TD, + const TargetLibraryInfo *TLI, + const DominatorTree *DT) { + return ::SimplifySelectInst(Cond, TrueVal, FalseVal, Query (TD, TLI, DT), + RecursionLimit); +} + /// SimplifyGEPInst - Given operands for an GetElementPtrInst, see if we can /// fold the result. If not, this returns null. -Value *llvm::SimplifyGEPInst(ArrayRef Ops, const TargetData *TD, - const DominatorTree *) { +static Value *SimplifyGEPInst(ArrayRef Ops, const Query &Q, unsigned) { // The type of the GEP pointer operand. PointerType *PtrTy = dyn_cast(Ops[0]->getType()); // The GEP pointer operand is not a pointer, it's a vector of pointers. @@ -2559,9 +2505,9 @@ Value *llvm::SimplifyGEPInst(ArrayRef Ops, const TargetData *TD, if (C->isZero()) return Ops[0]; // getelementptr P, N -> P if P points to a type of zero size. - if (TD) { + if (Q.TD) { Type *Ty = PtrTy->getElementType(); - if (Ty->isSized() && TD->getTypeAllocSize(Ty) == 0) + if (Ty->isSized() && Q.TD->getTypeAllocSize(Ty) == 0) return Ops[0]; } } @@ -2574,12 +2520,17 @@ Value *llvm::SimplifyGEPInst(ArrayRef Ops, const TargetData *TD, return ConstantExpr::getGetElementPtr(cast(Ops[0]), Ops.slice(1)); } +Value *llvm::SimplifyGEPInst(ArrayRef Ops, const TargetData *TD, + const TargetLibraryInfo *TLI, + const DominatorTree *DT) { + return ::SimplifyGEPInst(Ops, Query (TD, TLI, DT), RecursionLimit); +} + /// SimplifyInsertValueInst - Given operands for an InsertValueInst, see if we /// can fold the result. If not, this returns null. -Value *llvm::SimplifyInsertValueInst(Value *Agg, Value *Val, - ArrayRef Idxs, - const TargetData *, - const DominatorTree *) { +static Value *SimplifyInsertValueInst(Value *Agg, Value *Val, + ArrayRef Idxs, const Query &Q, + unsigned) { if (Constant *CAgg = dyn_cast(Agg)) if (Constant *CVal = dyn_cast(Val)) return ConstantFoldInsertValueInstruction(CAgg, CVal, Idxs); @@ -2604,8 +2555,17 @@ Value *llvm::SimplifyInsertValueInst(Value *Agg, Value *Val, return 0; } +Value *llvm::SimplifyInsertValueInst(Value *Agg, Value *Val, + ArrayRef Idxs, + const TargetData *TD, + const TargetLibraryInfo *TLI, + const DominatorTree *DT) { + return ::SimplifyInsertValueInst(Agg, Val, Idxs, Query (TD, TLI, DT), + RecursionLimit); +} + /// SimplifyPHINode - See if we can fold the given phi. If not, returns null. -static Value *SimplifyPHINode(PHINode *PN, const DominatorTree *DT) { +static Value *SimplifyPHINode(PHINode *PN, const Query &Q) { // If all of the PHI's incoming values are the same then replace the PHI node // with the common value. Value *CommonValue = 0; @@ -2633,7 +2593,7 @@ static Value *SimplifyPHINode(PHINode *PN, const DominatorTree *DT) { // instruction, we cannot return X as the result of the PHI node unless it // dominates the PHI block. if (HasUndefInput) - return ValueDominatesPHI(CommonValue, PN, DT) ? CommonValue : 0; + return ValueDominatesPHI(CommonValue, PN, Q.DT) ? CommonValue : 0; return CommonValue; } @@ -2643,71 +2603,54 @@ static Value *SimplifyPHINode(PHINode *PN, const DominatorTree *DT) { /// SimplifyBinOp - Given operands for a BinaryOperator, see if we can /// fold the result. If not, this returns null. static Value *SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { switch (Opcode) { case Instruction::Add: return SimplifyAddInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false, - TD, TLI, DT, MaxRecurse); + Q, MaxRecurse); case Instruction::Sub: return SimplifySubInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false, - TD, TLI, DT, MaxRecurse); - case Instruction::Mul: return SimplifyMulInst (LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::SDiv: return SimplifySDivInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::UDiv: return SimplifyUDivInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::FDiv: return SimplifyFDivInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::SRem: return SimplifySRemInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::URem: return SimplifyURemInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::FRem: return SimplifyFRemInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); + Q, MaxRecurse); + case Instruction::Mul: return SimplifyMulInst (LHS, RHS, Q, MaxRecurse); + case Instruction::SDiv: return SimplifySDivInst(LHS, RHS, Q, MaxRecurse); + case Instruction::UDiv: return SimplifyUDivInst(LHS, RHS, Q, MaxRecurse); + case Instruction::FDiv: return SimplifyFDivInst(LHS, RHS, Q, MaxRecurse); + case Instruction::SRem: return SimplifySRemInst(LHS, RHS, Q, MaxRecurse); + case Instruction::URem: return SimplifyURemInst(LHS, RHS, Q, MaxRecurse); + case Instruction::FRem: return SimplifyFRemInst(LHS, RHS, Q, MaxRecurse); case Instruction::Shl: return SimplifyShlInst(LHS, RHS, /*isNSW*/false, /*isNUW*/false, - TD, TLI, DT, MaxRecurse); + Q, MaxRecurse); case Instruction::LShr: - return SimplifyLShrInst(LHS, RHS, /*isExact*/false, TD, TLI, DT, - MaxRecurse); + return SimplifyLShrInst(LHS, RHS, /*isExact*/false, Q, MaxRecurse); case Instruction::AShr: - return SimplifyAShrInst(LHS, RHS, /*isExact*/false, TD, TLI, DT, - MaxRecurse); - case Instruction::And: return SimplifyAndInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::Or: return SimplifyOrInst (LHS, RHS, TD, TLI, DT, - MaxRecurse); - case Instruction::Xor: return SimplifyXorInst(LHS, RHS, TD, TLI, DT, - MaxRecurse); + return SimplifyAShrInst(LHS, RHS, /*isExact*/false, Q, MaxRecurse); + case Instruction::And: return SimplifyAndInst(LHS, RHS, Q, MaxRecurse); + case Instruction::Or: return SimplifyOrInst (LHS, RHS, Q, MaxRecurse); + case Instruction::Xor: return SimplifyXorInst(LHS, RHS, Q, MaxRecurse); default: if (Constant *CLHS = dyn_cast(LHS)) if (Constant *CRHS = dyn_cast(RHS)) { Constant *COps[] = {CLHS, CRHS}; - return ConstantFoldInstOperands(Opcode, LHS->getType(), COps, TD, TLI); + return ConstantFoldInstOperands(Opcode, LHS->getType(), COps, Q.TD, + Q.TLI); } // If the operation is associative, try some generic simplifications. if (Instruction::isAssociative(Opcode)) - if (Value *V = SimplifyAssociativeBinOp(Opcode, LHS, RHS, TD, TLI, DT, - MaxRecurse)) + if (Value *V = SimplifyAssociativeBinOp(Opcode, LHS, RHS, Q, MaxRecurse)) return V; - // If the operation is with the result of a select instruction, check whether + // If the operation is with the result of a select instruction check whether // operating on either branch of the select always yields the same value. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadBinOpOverSelect(Opcode, LHS, RHS, TD, TLI, DT, - MaxRecurse)) + if (Value *V = ThreadBinOpOverSelect(Opcode, LHS, RHS, Q, MaxRecurse)) return V; // If the operation is with the result of a phi instruction, check whether // operating on all incoming values of the phi always yields the same value. if (isa(LHS) || isa(RHS)) - if (Value *V = ThreadBinOpOverPHI(Opcode, LHS, RHS, TD, TLI, DT, - MaxRecurse)) + if (Value *V = ThreadBinOpOverPHI(Opcode, LHS, RHS, Q, MaxRecurse)) return V; return 0; @@ -2717,28 +2660,26 @@ static Value *SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS, Value *llvm::SimplifyBinOp(unsigned Opcode, Value *LHS, Value *RHS, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyBinOp(Opcode, LHS, RHS, TD, TLI, DT, RecursionLimit); + return ::SimplifyBinOp(Opcode, LHS, RHS, Query (TD, TLI, DT), RecursionLimit); } /// SimplifyCmpInst - Given operands for a CmpInst, see if we can /// fold the result. static Value *SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS, - const TargetData *TD, - const TargetLibraryInfo *TLI, - const DominatorTree *DT, - unsigned MaxRecurse) { + const Query &Q, unsigned MaxRecurse) { if (CmpInst::isIntPredicate((CmpInst::Predicate)Predicate)) - return SimplifyICmpInst(Predicate, LHS, RHS, TD, TLI, DT, MaxRecurse); - return SimplifyFCmpInst(Predicate, LHS, RHS, TD, TLI, DT, MaxRecurse); + return SimplifyICmpInst(Predicate, LHS, RHS, Q, MaxRecurse); + return SimplifyFCmpInst(Predicate, LHS, RHS, Q, MaxRecurse); } Value *llvm::SimplifyCmpInst(unsigned Predicate, Value *LHS, Value *RHS, const TargetData *TD, const TargetLibraryInfo *TLI, const DominatorTree *DT) { - return ::SimplifyCmpInst(Predicate, LHS, RHS, TD, TLI, DT, RecursionLimit); + return ::SimplifyCmpInst(Predicate, LHS, RHS, Query (TD, TLI, DT), + RecursionLimit); } -static Value *SimplifyCallInst(CallInst *CI) { +static Value *SimplifyCallInst(CallInst *CI, const Query &) { // call undef -> undef if (isa(CI->getCalledValue())) return UndefValue::get(CI->getType()); @@ -2825,25 +2766,25 @@ Value *llvm::SimplifyInstruction(Instruction *I, const TargetData *TD, break; case Instruction::Select: Result = SimplifySelectInst(I->getOperand(0), I->getOperand(1), - I->getOperand(2), TD, DT); + I->getOperand(2), TD, TLI, DT); break; case Instruction::GetElementPtr: { SmallVector Ops(I->op_begin(), I->op_end()); - Result = SimplifyGEPInst(Ops, TD, DT); + Result = SimplifyGEPInst(Ops, TD, TLI, DT); break; } case Instruction::InsertValue: { InsertValueInst *IV = cast(I); Result = SimplifyInsertValueInst(IV->getAggregateOperand(), IV->getInsertedValueOperand(), - IV->getIndices(), TD, DT); + IV->getIndices(), TD, TLI, DT); break; } case Instruction::PHI: - Result = SimplifyPHINode(cast(I), DT); + Result = SimplifyPHINode(cast(I), Query (TD, TLI, DT)); break; case Instruction::Call: - Result = SimplifyCallInst(cast(I)); + Result = SimplifyCallInst(cast(I), Query (TD, TLI, DT)); break; } diff --git a/lib/Analysis/PHITransAddr.cpp b/lib/Analysis/PHITransAddr.cpp index ca063003636..38cb1c91f8f 100644 --- a/lib/Analysis/PHITransAddr.cpp +++ b/lib/Analysis/PHITransAddr.cpp @@ -227,7 +227,7 @@ Value *PHITransAddr::PHITranslateSubExpr(Value *V, BasicBlock *CurBB, return GEP; // Simplify the GEP to handle 'gep x, 0' -> x etc. - if (Value *V = SimplifyGEPInst(GEPOps, TD, DT)) { + if (Value *V = SimplifyGEPInst(GEPOps, TD, TLI, DT)) { for (unsigned i = 0, e = GEPOps.size(); i != e; ++i) RemoveInstInputs(GEPOps[i], InstInputs);