diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 1402 |
1 files changed, 701 insertions, 701 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index e6c3314b245..747a0b1e546 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -70,7 +70,7 @@ namespace { /// visit - call the node-specific routine that knows how to fold each /// particular type of node. - SDOperand visit(SDNode *N); + SDValue visit(SDNode *N); public: /// AddToWorkList - Add to the work list making sure it's instance is at the @@ -87,16 +87,16 @@ namespace { WorkList.end()); } - SDOperand CombineTo(SDNode *N, const SDOperand *To, unsigned NumTo, + SDValue CombineTo(SDNode *N, const SDValue *To, unsigned NumTo, bool AddTo = true); - SDOperand CombineTo(SDNode *N, SDOperand Res, bool AddTo = true) { + SDValue CombineTo(SDNode *N, SDValue Res, bool AddTo = true) { return CombineTo(N, &Res, 1, AddTo); } - SDOperand CombineTo(SDNode *N, SDOperand Res0, SDOperand Res1, + SDValue CombineTo(SDNode *N, SDValue Res0, SDValue Res1, bool AddTo = true) { - SDOperand To[] = { Res0, Res1 }; + SDValue To[] = { Res0, Res1 }; return CombineTo(N, To, 2, AddTo); } @@ -105,12 +105,12 @@ namespace { /// SimplifyDemandedBits - Check the specified integer node value to see if /// it can be simplified or if things it uses can be simplified by bit /// propagation. If so, return true. - bool SimplifyDemandedBits(SDOperand Op) { + bool SimplifyDemandedBits(SDValue Op) { APInt Demanded = APInt::getAllOnesValue(Op.getValueSizeInBits()); return SimplifyDemandedBits(Op, Demanded); } - bool SimplifyDemandedBits(SDOperand Op, const APInt &Demanded); + bool SimplifyDemandedBits(SDValue Op, const APInt &Demanded); bool CombineToPreIndexedLoadStore(SDNode *N); bool CombineToPostIndexedLoadStore(SDNode *N); @@ -119,122 +119,122 @@ namespace { /// combine - call the node-specific routine that knows how to fold each /// particular type of node. If that doesn't do anything, try the /// target-specific DAG combines. - SDOperand combine(SDNode *N); + SDValue combine(SDNode *N); // Visitation implementation - Implement dag node combining for different // node types. The semantics are as follows: // Return Value: - // SDOperand.Val == 0 - No change was made - // SDOperand.Val == N - N was replaced, is dead, and is already handled. + // SDValue.Val == 0 - No change was made + // SDValue.Val == N - N was replaced, is dead, and is already handled. // otherwise - N should be replaced by the returned Operand. // - SDOperand visitTokenFactor(SDNode *N); - SDOperand visitMERGE_VALUES(SDNode *N); - SDOperand visitADD(SDNode *N); - SDOperand visitSUB(SDNode *N); - SDOperand visitADDC(SDNode *N); - SDOperand visitADDE(SDNode *N); - SDOperand visitMUL(SDNode *N); - SDOperand visitSDIV(SDNode *N); - SDOperand visitUDIV(SDNode *N); - SDOperand visitSREM(SDNode *N); - SDOperand visitUREM(SDNode *N); - SDOperand visitMULHU(SDNode *N); - SDOperand visitMULHS(SDNode *N); - SDOperand visitSMUL_LOHI(SDNode *N); - SDOperand visitUMUL_LOHI(SDNode *N); - SDOperand visitSDIVREM(SDNode *N); - SDOperand visitUDIVREM(SDNode *N); - SDOperand visitAND(SDNode *N); - SDOperand visitOR(SDNode *N); - SDOperand visitXOR(SDNode *N); - SDOperand SimplifyVBinOp(SDNode *N); - SDOperand visitSHL(SDNode *N); - SDOperand visitSRA(SDNode *N); - SDOperand visitSRL(SDNode *N); - SDOperand visitCTLZ(SDNode *N); - SDOperand visitCTTZ(SDNode *N); - SDOperand visitCTPOP(SDNode *N); - SDOperand visitSELECT(SDNode *N); - SDOperand visitSELECT_CC(SDNode *N); - SDOperand visitSETCC(SDNode *N); - SDOperand visitSIGN_EXTEND(SDNode *N); - SDOperand visitZERO_EXTEND(SDNode *N); - SDOperand visitANY_EXTEND(SDNode *N); - SDOperand visitSIGN_EXTEND_INREG(SDNode *N); - SDOperand visitTRUNCATE(SDNode *N); - SDOperand visitBIT_CONVERT(SDNode *N); - SDOperand visitBUILD_PAIR(SDNode *N); - SDOperand visitFADD(SDNode *N); - SDOperand visitFSUB(SDNode *N); - SDOperand visitFMUL(SDNode *N); - SDOperand visitFDIV(SDNode *N); - SDOperand visitFREM(SDNode *N); - SDOperand visitFCOPYSIGN(SDNode *N); - SDOperand visitSINT_TO_FP(SDNode *N); - SDOperand visitUINT_TO_FP(SDNode *N); - SDOperand visitFP_TO_SINT(SDNode *N); - SDOperand visitFP_TO_UINT(SDNode *N); - SDOperand visitFP_ROUND(SDNode *N); - SDOperand visitFP_ROUND_INREG(SDNode *N); - SDOperand visitFP_EXTEND(SDNode *N); - SDOperand visitFNEG(SDNode *N); - SDOperand visitFABS(SDNode *N); - SDOperand visitBRCOND(SDNode *N); - SDOperand visitBR_CC(SDNode *N); - SDOperand visitLOAD(SDNode *N); - SDOperand visitSTORE(SDNode *N); - SDOperand visitINSERT_VECTOR_ELT(SDNode *N); - SDOperand visitEXTRACT_VECTOR_ELT(SDNode *N); - SDOperand visitBUILD_VECTOR(SDNode *N); - SDOperand visitCONCAT_VECTORS(SDNode *N); - SDOperand visitVECTOR_SHUFFLE(SDNode *N); - - SDOperand XformToShuffleWithZero(SDNode *N); - SDOperand ReassociateOps(unsigned Opc, SDOperand LHS, SDOperand RHS); + SDValue visitTokenFactor(SDNode *N); + SDValue visitMERGE_VALUES(SDNode *N); + SDValue visitADD(SDNode *N); + SDValue visitSUB(SDNode *N); + SDValue visitADDC(SDNode *N); + SDValue visitADDE(SDNode *N); + SDValue visitMUL(SDNode *N); + SDValue visitSDIV(SDNode *N); + SDValue visitUDIV(SDNode *N); + SDValue visitSREM(SDNode *N); + SDValue visitUREM(SDNode *N); + SDValue visitMULHU(SDNode *N); + SDValue visitMULHS(SDNode *N); + SDValue visitSMUL_LOHI(SDNode *N); + SDValue visitUMUL_LOHI(SDNode *N); + SDValue visitSDIVREM(SDNode *N); + SDValue visitUDIVREM(SDNode *N); + SDValue visitAND(SDNode *N); + SDValue visitOR(SDNode *N); + SDValue visitXOR(SDNode *N); + SDValue SimplifyVBinOp(SDNode *N); + SDValue visitSHL(SDNode *N); + SDValue visitSRA(SDNode *N); + SDValue visitSRL(SDNode *N); + SDValue visitCTLZ(SDNode *N); + SDValue visitCTTZ(SDNode *N); + SDValue visitCTPOP(SDNode *N); + SDValue visitSELECT(SDNode *N); + SDValue visitSELECT_CC(SDNode *N); + SDValue visitSETCC(SDNode *N); + SDValue visitSIGN_EXTEND(SDNode *N); + SDValue visitZERO_EXTEND(SDNode *N); + SDValue visitANY_EXTEND(SDNode *N); + SDValue visitSIGN_EXTEND_INREG(SDNode *N); + SDValue visitTRUNCATE(SDNode *N); + SDValue visitBIT_CONVERT(SDNode *N); + SDValue visitBUILD_PAIR(SDNode *N); + SDValue visitFADD(SDNode *N); + SDValue visitFSUB(SDNode *N); + SDValue visitFMUL(SDNode *N); + SDValue visitFDIV(SDNode *N); + SDValue visitFREM(SDNode *N); + SDValue visitFCOPYSIGN(SDNode *N); + SDValue visitSINT_TO_FP(SDNode *N); + SDValue visitUINT_TO_FP(SDNode *N); + SDValue visitFP_TO_SINT(SDNode *N); + SDValue visitFP_TO_UINT(SDNode *N); + SDValue visitFP_ROUND(SDNode *N); + SDValue visitFP_ROUND_INREG(SDNode *N); + SDValue visitFP_EXTEND(SDNode *N); + SDValue visitFNEG(SDNode *N); + SDValue visitFABS(SDNode *N); + SDValue visitBRCOND(SDNode *N); + SDValue visitBR_CC(SDNode *N); + SDValue visitLOAD(SDNode *N); + SDValue visitSTORE(SDNode *N); + SDValue visitINSERT_VECTOR_ELT(SDNode *N); + SDValue visitEXTRACT_VECTOR_ELT(SDNode *N); + SDValue visitBUILD_VECTOR(SDNode *N); + SDValue visitCONCAT_VECTORS(SDNode *N); + SDValue visitVECTOR_SHUFFLE(SDNode *N); + + SDValue XformToShuffleWithZero(SDNode *N); + SDValue ReassociateOps(unsigned Opc, SDValue LHS, SDValue RHS); - SDOperand visitShiftByConstant(SDNode *N, unsigned Amt); + SDValue visitShiftByConstant(SDNode *N, unsigned Amt); - bool SimplifySelectOps(SDNode *SELECT, SDOperand LHS, SDOperand RHS); - SDOperand SimplifyBinOpWithSameOpcodeHands(SDNode *N); - SDOperand SimplifySelect(SDOperand N0, SDOperand N1, SDOperand N2); - SDOperand SimplifySelectCC(SDOperand N0, SDOperand N1, SDOperand N2, - SDOperand N3, ISD::CondCode CC, + bool SimplifySelectOps(SDNode *SELECT, SDValue LHS, SDValue RHS); + SDValue SimplifyBinOpWithSameOpcodeHands(SDNode *N); + SDValue SimplifySelect(SDValue N0, SDValue N1, SDValue N2); + SDValue SimplifySelectCC(SDValue N0, SDValue N1, SDValue N2, + SDValue N3, ISD::CondCode CC, bool NotExtCompare = false); - SDOperand SimplifySetCC(MVT VT, SDOperand N0, SDOperand N1, + SDValue SimplifySetCC(MVT VT, SDValue N0, SDValue N1, ISD::CondCode Cond, bool foldBooleans = true); - SDOperand SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, + SDValue SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, unsigned HiOp); - SDOperand CombineConsecutiveLoads(SDNode *N, MVT VT); - SDOperand ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *, MVT); - SDOperand BuildSDIV(SDNode *N); - SDOperand BuildUDIV(SDNode *N); - SDNode *MatchRotate(SDOperand LHS, SDOperand RHS); - SDOperand ReduceLoadWidth(SDNode *N); + SDValue CombineConsecutiveLoads(SDNode *N, MVT VT); + SDValue ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *, MVT); + SDValue BuildSDIV(SDNode *N); + SDValue BuildUDIV(SDNode *N); + SDNode *MatchRotate(SDValue LHS, SDValue RHS); + SDValue ReduceLoadWidth(SDNode *N); - SDOperand GetDemandedBits(SDOperand V, const APInt &Mask); + SDValue GetDemandedBits(SDValue V, const APInt &Mask); /// GatherAllAliases - Walk up chain skipping non-aliasing memory nodes, /// looking for aliasing nodes and adding them to the Aliases vector. - void GatherAllAliases(SDNode *N, SDOperand OriginalChain, - SmallVector<SDOperand, 8> &Aliases); + void GatherAllAliases(SDNode *N, SDValue OriginalChain, + SmallVector<SDValue, 8> &Aliases); /// isAlias - Return true if there is any possibility that the two addresses /// overlap. - bool isAlias(SDOperand Ptr1, int64_t Size1, + bool isAlias(SDValue Ptr1, int64_t Size1, const Value *SrcValue1, int SrcValueOffset1, - SDOperand Ptr2, int64_t Size2, + SDValue Ptr2, int64_t Size2, const Value *SrcValue2, int SrcValueOffset2); /// FindAliasInfo - Extracts the relevant alias information from the memory /// node. Returns true if the operand was a load. bool FindAliasInfo(SDNode *N, - SDOperand &Ptr, int64_t &Size, + SDValue &Ptr, int64_t &Size, const Value *&SrcValue, int &SrcValueOffset); /// FindBetterChain - Walk up chain skipping non-aliasing memory nodes, /// looking for a better chain (aliasing node.) - SDOperand FindBetterChain(SDNode *N, SDOperand Chain); + SDValue FindBetterChain(SDNode *N, SDValue Chain); public: DAGCombiner(SelectionDAG &D, AliasAnalysis &A) @@ -276,19 +276,19 @@ void TargetLowering::DAGCombinerInfo::AddToWorklist(SDNode *N) { ((DAGCombiner*)DC)->AddToWorkList(N); } -SDOperand TargetLowering::DAGCombinerInfo:: -CombineTo(SDNode *N, const std::vector<SDOperand> &To) { +SDValue TargetLowering::DAGCombinerInfo:: +CombineTo(SDNode *N, const std::vector<SDValue> &To) { return ((DAGCombiner*)DC)->CombineTo(N, &To[0], To.size()); } -SDOperand TargetLowering::DAGCombinerInfo:: -CombineTo(SDNode *N, SDOperand Res) { +SDValue TargetLowering::DAGCombinerInfo:: +CombineTo(SDNode *N, SDValue Res) { return ((DAGCombiner*)DC)->CombineTo(N, Res); } -SDOperand TargetLowering::DAGCombinerInfo:: -CombineTo(SDNode *N, SDOperand Res0, SDOperand Res1) { +SDValue TargetLowering::DAGCombinerInfo:: +CombineTo(SDNode *N, SDValue Res0, SDValue Res1) { return ((DAGCombiner*)DC)->CombineTo(N, Res0, Res1); } @@ -300,7 +300,7 @@ CombineTo(SDNode *N, SDOperand Res0, SDOperand Res1) { /// isNegatibleForFree - Return 1 if we can compute the negated form of the /// specified expression for the same cost as the expression itself, or 2 if we /// can compute the negated form more cheaply than the expression itself. -static char isNegatibleForFree(SDOperand Op, bool AfterLegalize, +static char isNegatibleForFree(SDValue Op, bool AfterLegalize, unsigned Depth = 0) { // No compile time optimizations on this type. if (Op.getValueType() == MVT::ppcf128) @@ -356,7 +356,7 @@ static char isNegatibleForFree(SDOperand Op, bool AfterLegalize, /// GetNegatedExpression - If isNegatibleForFree returns true, this function /// returns the newly negated expression. -static SDOperand GetNegatedExpression(SDOperand Op, SelectionDAG &DAG, +static SDValue GetNegatedExpression(SDValue Op, SelectionDAG &DAG, bool AfterLegalize, unsigned Depth = 0) { // fneg is removable even if it has multiple uses. if (Op.getOpcode() == ISD::FNEG) return Op.getOperand(0); @@ -436,8 +436,8 @@ static SDOperand GetNegatedExpression(SDOperand Op, SelectionDAG &DAG, // Also, set the incoming LHS, RHS, and CC references to the appropriate // nodes based on the type of node we are checking. This simplifies life a // bit for the callers. -static bool isSetCCEquivalent(SDOperand N, SDOperand &LHS, SDOperand &RHS, - SDOperand &CC) { +static bool isSetCCEquivalent(SDValue N, SDValue &LHS, SDValue &RHS, + SDValue &CC) { if (N.getOpcode() == ISD::SETCC) { LHS = N.getOperand(0); RHS = N.getOperand(1); @@ -460,24 +460,24 @@ static bool isSetCCEquivalent(SDOperand N, SDOperand &LHS, SDOperand &RHS, // isOneUseSetCC - Return true if this is a SetCC-equivalent operation with only // one use. If this is true, it allows the users to invert the operation for // free when it is profitable to do so. -static bool isOneUseSetCC(SDOperand N) { - SDOperand N0, N1, N2; +static bool isOneUseSetCC(SDValue N) { + SDValue N0, N1, N2; if (isSetCCEquivalent(N, N0, N1, N2) && N.Val->hasOneUse()) return true; return false; } -SDOperand DAGCombiner::ReassociateOps(unsigned Opc, SDOperand N0, SDOperand N1){ +SDValue DAGCombiner::ReassociateOps(unsigned Opc, SDValue N0, SDValue N1){ MVT VT = N0.getValueType(); // reassoc. (op (op x, c1), y) -> (op (op x, y), c1) iff x+c1 has one use // reassoc. (op (op x, c1), c2) -> (op x, (op c1, c2)) if (N0.getOpcode() == Opc && isa<ConstantSDNode>(N0.getOperand(1))) { if (isa<ConstantSDNode>(N1)) { - SDOperand OpNode = DAG.getNode(Opc, VT, N0.getOperand(1), N1); + SDValue OpNode = DAG.getNode(Opc, VT, N0.getOperand(1), N1); AddToWorkList(OpNode.Val); return DAG.getNode(Opc, VT, OpNode, N0.getOperand(0)); } else if (N0.hasOneUse()) { - SDOperand OpNode = DAG.getNode(Opc, VT, N0.getOperand(0), N1); + SDValue OpNode = DAG.getNode(Opc, VT, N0.getOperand(0), N1); AddToWorkList(OpNode.Val); return DAG.getNode(Opc, VT, OpNode, N0.getOperand(1)); } @@ -486,20 +486,20 @@ SDOperand DAGCombiner::ReassociateOps(unsigned Opc, SDOperand N0, SDOperand N1){ // reassoc. (op c2, (op x, c1)) -> (op x, (op c1, c2)) if (N1.getOpcode() == Opc && isa<ConstantSDNode>(N1.getOperand(1))) { if (isa<ConstantSDNode>(N0)) { - SDOperand OpNode = DAG.getNode(Opc, VT, N1.getOperand(1), N0); + SDValue OpNode = DAG.getNode(Opc, VT, N1.getOperand(1), N0); AddToWorkList(OpNode.Val); return DAG.getNode(Opc, VT, OpNode, N1.getOperand(0)); } else if (N1.hasOneUse()) { - SDOperand OpNode = DAG.getNode(Opc, VT, N1.getOperand(0), N0); + SDValue OpNode = DAG.getNode(Opc, VT, N1.getOperand(0), N0); AddToWorkList(OpNode.Val); return DAG.getNode(Opc, VT, OpNode, N1.getOperand(1)); } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::CombineTo(SDNode *N, const SDOperand *To, unsigned NumTo, - bool AddTo) { +SDValue DAGCombiner::CombineTo(SDNode *N, const SDValue *To, unsigned NumTo, + bool AddTo) { assert(N->getNumValues() == NumTo && "Broken CombineTo call!"); ++NodesCombined; DOUT << "\nReplacing.1 "; DEBUG(N->dump(&DAG)); @@ -522,13 +522,13 @@ SDOperand DAGCombiner::CombineTo(SDNode *N, const SDOperand *To, unsigned NumTo, // Finally, since the node is now dead, remove it from the graph. DAG.DeleteNode(N); - return SDOperand(N, 0); + return SDValue(N, 0); } /// SimplifyDemandedBits - Check the specified integer node value to see if /// it can be simplified or if things it uses can be simplified by bit /// propagation. If so, return true. -bool DAGCombiner::SimplifyDemandedBits(SDOperand Op, const APInt &Demanded) { +bool DAGCombiner::SimplifyDemandedBits(SDValue Op, const APInt &Demanded) { TargetLowering::TargetLoweringOpt TLO(DAG, AfterLegalize); APInt KnownZero, KnownOne; if (!TLI.SimplifyDemandedBits(Op, Demanded, KnownZero, KnownOne, TLO)) @@ -590,7 +590,7 @@ void DAGCombiner::Run(bool RunningAfterLegalize) { // The root of the dag may dangle to deleted nodes until the dag combiner is // done. Set it to null to avoid confusion. - DAG.setRoot(SDOperand()); + DAG.setRoot(SDValue()); // while the worklist isn't empty, inspect the node on the end of it and // try and combine it. @@ -609,7 +609,7 @@ void DAGCombiner::Run(bool RunningAfterLegalize) { continue; } - SDOperand RV = combine(N); + SDValue RV = combine(N); if (RV.Val == 0) continue; @@ -636,7 +636,7 @@ void DAGCombiner::Run(bool RunningAfterLegalize) { else { assert(N->getValueType(0) == RV.getValueType() && N->getNumValues() == 1 && "Type mismatch"); - SDOperand OpV = RV; + SDValue OpV = RV; DAG.ReplaceAllUsesWith(N, &OpV, &DeadNodes); } @@ -662,7 +662,7 @@ void DAGCombiner::Run(bool RunningAfterLegalize) { DAG.setRoot(Dummy.getValue()); } -SDOperand DAGCombiner::visit(SDNode *N) { +SDValue DAGCombiner::visit(SDNode *N) { switch(N->getOpcode()) { default: break; case ISD::TokenFactor: return visitTokenFactor(N); @@ -726,12 +726,12 @@ SDOperand DAGCombiner::visit(SDNode *N) { case ISD::CONCAT_VECTORS: return visitCONCAT_VECTORS(N); case ISD::VECTOR_SHUFFLE: return visitVECTOR_SHUFFLE(N); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::combine(SDNode *N) { +SDValue DAGCombiner::combine(SDNode *N) { - SDOperand RV = visit(N); + SDValue RV = visit(N); // If nothing happened, try a target-specific DAG combine. if (RV.Val == 0) { @@ -754,15 +754,15 @@ SDOperand DAGCombiner::combine(SDNode *N) { if (RV.Val == 0 && SelectionDAG::isCommutativeBinOp(N->getOpcode()) && N->getNumValues() == 1) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); // Constant operands are canonicalized to RHS. if (isa<ConstantSDNode>(N0) || !isa<ConstantSDNode>(N1)) { - SDOperand Ops[] = { N1, N0 }; + SDValue Ops[] = { N1, N0 }; SDNode *CSENode = DAG.getNodeIfExists(N->getOpcode(), N->getVTList(), Ops, 2); if (CSENode) - return SDOperand(CSENode, 0); + return SDValue(CSENode, 0); } } @@ -771,7 +771,7 @@ SDOperand DAGCombiner::combine(SDNode *N) { /// getInputChainForNode - Given a node, return its input chain if it has one, /// otherwise return a null sd operand. -static SDOperand getInputChainForNode(SDNode *N) { +static SDValue getInputChainForNode(SDNode *N) { if (unsigned NumOps = N->getNumOperands()) { if (N->getOperand(0).getValueType() == MVT::Other) return N->getOperand(0); @@ -781,10 +781,10 @@ static SDOperand getInputChainForNode(SDNode *N) { if (N->getOperand(i).getValueType() == MVT::Other) return N->getOperand(i); } - return SDOperand(0, 0); + return SDValue(0, 0); } -SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { +SDValue DAGCombiner::visitTokenFactor(SDNode *N) { // If N has two operands, where one has an input chain equal to the other, // the 'other' chain is redundant. if (N->getNumOperands() == 2) { @@ -795,7 +795,7 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { } SmallVector<SDNode *, 8> TFs; // List of token factors to visit. - SmallVector<SDOperand, 8> Ops; // Ops for replacing token factor. + SmallVector<SDValue, 8> Ops; // Ops for replacing token factor. SmallPtrSet<SDNode*, 16> SeenOps; bool Changed = false; // If we should replace this token factor. @@ -809,7 +809,7 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { // Check each of the operands. for (unsigned i = 0, ie = TF->getNumOperands(); i != ie; ++i) { - SDOperand Op = TF->getOperand(i); + SDValue Op = TF->getOperand(i); switch (Op.getOpcode()) { case ISD::EntryToken: @@ -841,7 +841,7 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { } } - SDOperand Result; + SDValue Result; // If we've change things around then replace token factor. if (Changed) { @@ -861,22 +861,22 @@ SDOperand DAGCombiner::visitTokenFactor(SDNode *N) { } /// MERGE_VALUES can always be eliminated. -SDOperand DAGCombiner::visitMERGE_VALUES(SDNode *N) { +SDValue DAGCombiner::visitMERGE_VALUES(SDNode *N) { WorkListRemover DeadNodes(*this); for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, i), N->getOperand(i), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, i), N->getOperand(i), &DeadNodes); removeFromWorkList(N); DAG.DeleteNode(N); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } static -SDOperand combineShlAddConstant(SDOperand N0, SDOperand N1, SelectionDAG &DAG) { +SDValue combineShlAddConstant(SDValue N0, SDValue N1, SelectionDAG &DAG) { MVT VT = N0.getValueType(); - SDOperand N00 = N0.getOperand(0); - SDOperand N01 = N0.getOperand(1); + SDValue N00 = N0.getOperand(0); + SDValue N01 = N0.getOperand(1); ConstantSDNode *N01C = dyn_cast<ConstantSDNode>(N01); if (N01C && N00.getOpcode() == ISD::ADD && N00.Val->hasOneUse() && isa<ConstantSDNode>(N00.getOperand(1))) { @@ -885,22 +885,22 @@ SDOperand combineShlAddConstant(SDOperand N0, SDOperand N1, SelectionDAG &DAG) { DAG.getNode(ISD::SHL, VT, N00.getOperand(1), N01)); return DAG.getNode(ISD::ADD, VT, N0, N1); } - return SDOperand(); + return SDValue(); } static -SDOperand combineSelectAndUse(SDNode *N, SDOperand Slct, SDOperand OtherOp, - SelectionDAG &DAG) { +SDValue combineSelectAndUse(SDNode *N, SDValue Slct, SDValue OtherOp, + SelectionDAG &DAG) { MVT VT = N->getValueType(0); unsigned Opc = N->getOpcode(); bool isSlctCC = Slct.getOpcode() == ISD::SELECT_CC; - SDOperand LHS = isSlctCC ? Slct.getOperand(2) : Slct.getOperand(1); - SDOperand RHS = isSlctCC ? Slct.getOperand(3) : Slct.getOperand(2); + SDValue LHS = isSlctCC ? Slct.getOperand(2) : Slct.getOperand(1); + SDValue RHS = isSlctCC ? Slct.getOperand(3) : Slct.getOperand(2); ISD::CondCode CC = ISD::SETCC_INVALID; if (isSlctCC) CC = cast<CondCodeSDNode>(Slct.getOperand(4))->get(); else { - SDOperand CCOp = Slct.getOperand(0); + SDValue CCOp = Slct.getOperand(0); if (CCOp.getOpcode() == ISD::SETCC) CC = cast<CondCodeSDNode>(CCOp.getOperand(2))->get(); } @@ -916,7 +916,7 @@ SDOperand combineSelectAndUse(SDNode *N, SDOperand Slct, SDOperand OtherOp, RHS.getOpcode() == ISD::Constant && cast<ConstantSDNode>(RHS)->isNullValue()) { std::swap(LHS, RHS); - SDOperand Op0 = Slct.getOperand(0); + SDValue Op0 = Slct.getOperand(0); bool isInt = (isSlctCC ? Op0.getValueType() : Op0.getOperand(0).getValueType()).isInteger(); CC = ISD::getSetCCInverse(CC, isInt); @@ -925,29 +925,29 @@ SDOperand combineSelectAndUse(SDNode *N, SDOperand Slct, SDOperand OtherOp, } if (DoXform) { - SDOperand Result = DAG.getNode(Opc, VT, OtherOp, RHS); + SDValue Result = DAG.getNode(Opc, VT, OtherOp, RHS); if (isSlctCC) return DAG.getSelectCC(OtherOp, Result, Slct.getOperand(0), Slct.getOperand(1), CC); - SDOperand CCOp = Slct.getOperand(0); + SDValue CCOp = Slct.getOperand(0); if (InvCC) CCOp = DAG.getSetCC(CCOp.getValueType(), CCOp.getOperand(0), CCOp.getOperand(1), CC); return DAG.getNode(ISD::SELECT, VT, CCOp, OtherOp, Result); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitADD(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitADD(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -973,7 +973,7 @@ SDOperand DAGCombiner::visitADD(SDNode *N) { N0C->getAPIntValue(), VT), N0.getOperand(1)); // reassociate add - SDOperand RADD = ReassociateOps(ISD::ADD, N0, N1); + SDValue RADD = ReassociateOps(ISD::ADD, N0, N1); if (RADD.Val != 0) return RADD; // fold ((0-A) + B) -> B-A @@ -988,8 +988,8 @@ SDOperand DAGCombiner::visitADD(SDNode *N) { if (N1.getOpcode() == ISD::SUB && N0 == N1.getOperand(1)) return N1.getOperand(0); - if (!VT.isVector() && SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + if (!VT.isVector() && SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); // fold (a+b) -> (a|b) iff a and b share no bits. if (VT.isInteger() && !VT.isVector()) { @@ -1010,30 +1010,30 @@ SDOperand DAGCombiner::visitADD(SDNode *N) { // fold (add (shl (add x, c1), c2), ) -> (add (add (shl x, c2), c1<<c2), ) if (N0.getOpcode() == ISD::SHL && N0.Val->hasOneUse()) { - SDOperand Result = combineShlAddConstant(N0, N1, DAG); + SDValue Result = combineShlAddConstant(N0, N1, DAG); if (Result.Val) return Result; } if (N1.getOpcode() == ISD::SHL && N1.Val->hasOneUse()) { - SDOperand Result = combineShlAddConstant(N1, N0, DAG); + SDValue Result = combineShlAddConstant(N1, N0, DAG); if (Result.Val) return Result; } // fold (add (select cc, 0, c), x) -> (select cc, x, (add, x, c)) if (N0.getOpcode() == ISD::SELECT && N0.Val->hasOneUse()) { - SDOperand Result = combineSelectAndUse(N, N0, N1, DAG); + SDValue Result = combineSelectAndUse(N, N0, N1, DAG); if (Result.Val) return Result; } if (N1.getOpcode() == ISD::SELECT && N1.Val->hasOneUse()) { - SDOperand Result = combineSelectAndUse(N, N1, N0, DAG); + SDValue Result = combineSelectAndUse(N, N1, N0, DAG); if (Result.Val) return Result; } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitADDC(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitADDC(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); @@ -1067,13 +1067,13 @@ SDOperand DAGCombiner::visitADDC(SDNode *N) { DAG.getNode(ISD::CARRY_FALSE, MVT::Flag)); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitADDE(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand CarryIn = N->getOperand(2); +SDValue DAGCombiner::visitADDE(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue CarryIn = N->getOperand(2); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); //MVT VT = N0.getValueType(); @@ -1086,21 +1086,21 @@ SDOperand DAGCombiner::visitADDE(SDNode *N) { if (CarryIn.getOpcode() == ISD::CARRY_FALSE) return DAG.getNode(ISD::ADDC, N->getVTList(), N1, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSUB(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSUB(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val); MVT VT = N0.getValueType(); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1122,7 +1122,7 @@ SDOperand DAGCombiner::visitSUB(SDNode *N) { return N0.getOperand(0); // fold (sub x, (select cc, 0, c)) -> (select cc, x, (sub, x, c)) if (N1.getOpcode() == ISD::SELECT && N1.Val->hasOneUse()) { - SDOperand Result = combineSelectAndUse(N, N1, N0, DAG); + SDValue Result = combineSelectAndUse(N, N1, N0, DAG); if (Result.Val) return Result; } // If either operand of a sub is undef, the result is undef @@ -1131,19 +1131,19 @@ SDOperand DAGCombiner::visitSUB(SDNode *N) { if (N1.getOpcode() == ISD::UNDEF) return N1; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitMUL(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitMUL(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1180,7 +1180,7 @@ SDOperand DAGCombiner::visitMUL(SDNode *N) { // (mul (shl X, c1), c2) -> (mul X, c2 << c1) if (N1C && N0.getOpcode() == ISD::SHL && isa<ConstantSDNode>(N0.getOperand(1))) { - SDOperand C3 = DAG.getNode(ISD::SHL, VT, N1, N0.getOperand(1)); + SDValue C3 = DAG.getNode(ISD::SHL, VT, N1, N0.getOperand(1)); AddToWorkList(C3.Val); return DAG.getNode(ISD::MUL, VT, N0.getOperand(0), C3); } @@ -1188,7 +1188,7 @@ SDOperand DAGCombiner::visitMUL(SDNode *N) { // Change (mul (shl X, C), Y) -> (shl (mul X, Y), C) when the shift has one // use. { - SDOperand Sh(0,0), Y(0,0); + SDValue Sh(0,0), Y(0,0); // Check for both (mul (shl X, C), Y) and (mul Y, (shl X, C)). if (N0.getOpcode() == ISD::SHL && isa<ConstantSDNode>(N0.getOperand(1)) && N0.Val->hasOneUse()) { @@ -1198,7 +1198,7 @@ SDOperand DAGCombiner::visitMUL(SDNode *N) { Sh = N1; Y = N0; } if (Sh.Val) { - SDOperand Mul = DAG.getNode(ISD::MUL, VT, Sh.getOperand(0), Y); + SDValue Mul = DAG.getNode(ISD::MUL, VT, Sh.getOperand(0), Y); return DAG.getNode(ISD::SHL, VT, Mul, Sh.getOperand(1)); } } @@ -1211,23 +1211,23 @@ SDOperand DAGCombiner::visitMUL(SDNode *N) { } // reassociate mul - SDOperand RMUL = ReassociateOps(ISD::MUL, N0, N1); + SDValue RMUL = ReassociateOps(ISD::MUL, N0, N1); if (RMUL.Val != 0) return RMUL; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSDIV(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSDIV(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1253,23 +1253,23 @@ SDOperand DAGCombiner::visitSDIV(SDNode *N) { // If dividing by powers of two is cheap, then don't perform the following // fold. if (TLI.isPow2DivCheap()) - return SDOperand(); + return SDValue(); int64_t pow2 = N1C->getSignExtended(); int64_t abs2 = pow2 > 0 ? pow2 : -pow2; unsigned lg2 = Log2_64(abs2); // Splat the sign bit into the register - SDOperand SGN = DAG.getNode(ISD::SRA, VT, N0, + SDValue SGN = DAG.getNode(ISD::SRA, VT, N0, DAG.getConstant(VT.getSizeInBits()-1, TLI.getShiftAmountTy())); AddToWorkList(SGN.Val); // Add (N0 < 0) ? abs2 - 1 : 0; - SDOperand SRL = DAG.getNode(ISD::SRL, VT, SGN, + SDValue SRL = DAG.getNode(ISD::SRL, VT, SGN, DAG.getConstant(VT.getSizeInBits()-lg2, TLI.getShiftAmountTy())); - SDOperand ADD = DAG.getNode(ISD::ADD, VT, N0, SRL); + SDValue ADD = DAG.getNode(ISD::ADD, VT, N0, SRL); AddToWorkList(SRL.Val); AddToWorkList(ADD.Val); // Divide by pow2 - SDOperand SRA = DAG.getNode(ISD::SRA, VT, ADD, + SDValue SRA = DAG.getNode(ISD::SRA, VT, ADD, DAG.getConstant(lg2, TLI.getShiftAmountTy())); // If we're dividing by a positive value, we're done. Otherwise, we must // negate the result. @@ -1282,7 +1282,7 @@ SDOperand DAGCombiner::visitSDIV(SDNode *N) { // alternate sequence. if (N1C && (N1C->getSignExtended() < -1 || N1C->getSignExtended() > 1) && !TLI.isIntDivCheap()) { - SDOperand Op = BuildSDIV(N); + SDValue Op = BuildSDIV(N); if (Op.Val) return Op; } @@ -1293,19 +1293,19 @@ SDOperand DAGCombiner::visitSDIV(SDNode *N) { if (N1.getOpcode() == ISD::UNDEF) return N1; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitUDIV(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitUDIV(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0.Val); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1322,7 +1322,7 @@ SDOperand DAGCombiner::visitUDIV(SDNode *N) { if (ConstantSDNode *SHC = dyn_cast<ConstantSDNode>(N1.getOperand(0))) { if (SHC->getAPIntValue().isPowerOf2()) { MVT ADDVT = N1.getOperand(1).getValueType(); - SDOperand Add = DAG.getNode(ISD::ADD, ADDVT, N1.getOperand(1), + SDValue Add = DAG.getNode(ISD::ADD, ADDVT, N1.getOperand(1), DAG.getConstant(SHC->getAPIntValue() .logBase2(), ADDVT)); @@ -1333,7 +1333,7 @@ SDOperand DAGCombiner::visitUDIV(SDNode *N) { } // fold (udiv x, c) -> alternate if (N1C && !N1C->isNullValue() && !TLI.isIntDivCheap()) { - SDOperand Op = BuildUDIV(N); + SDValue Op = BuildUDIV(N); if (Op.Val) return Op; } @@ -1344,12 +1344,12 @@ SDOperand DAGCombiner::visitUDIV(SDNode *N) { if (N1.getOpcode() == ISD::UNDEF) return N1; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSREM(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSREM(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N->getValueType(0); @@ -1367,12 +1367,12 @@ SDOperand DAGCombiner::visitSREM(SDNode *N) { // If X/C can be simplified by the division-by-constant logic, lower // X%C to the equivalent of X-X/C*C. if (N1C && !N1C->isNullValue()) { - SDOperand Div = DAG.getNode(ISD::SDIV, VT, N0, N1); + SDValue Div = DAG.getNode(ISD::SDIV, VT, N0, N1); AddToWorkList(Div.Val); - SDOperand OptimizedDiv = combine(Div.Val); + SDValue OptimizedDiv = combine(Div.Val); if (OptimizedDiv.Val && OptimizedDiv.Val != Div.Val) { - SDOperand Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1); - SDOperand Sub = DAG.getNode(ISD::SUB, VT, N0, Mul); + SDValue Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1); + SDValue Sub = DAG.getNode(ISD::SUB, VT, N0, Mul); AddToWorkList(Mul.Val); return Sub; } @@ -1385,12 +1385,12 @@ SDOperand DAGCombiner::visitSREM(SDNode *N) { if (N1.getOpcode() == ISD::UNDEF) return N1; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitUREM(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitUREM(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N->getValueType(0); @@ -1406,7 +1406,7 @@ SDOperand DAGCombiner::visitUREM(SDNode *N) { if (N1.getOpcode() == ISD::SHL) { if (ConstantSDNode *SHC = dyn_cast<ConstantSDNode>(N1.getOperand(0))) { if (SHC->getAPIntValue().isPowerOf2()) { - SDOperand Add = + SDValue Add = DAG.getNode(ISD::ADD, VT, N1, DAG.getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT)); @@ -1419,11 +1419,11 @@ SDOperand DAGCombiner::visitUREM(SDNode *N) { // If X/C can be simplified by the division-by-constant logic, lower // X%C to the equivalent of X-X/C*C. if (N1C && !N1C->isNullValue()) { - SDOperand Div = DAG.getNode(ISD::UDIV, VT, N0, N1); - SDOperand OptimizedDiv = combine(Div.Val); + SDValue Div = DAG.getNode(ISD::UDIV, VT, N0, N1); + SDValue OptimizedDiv = combine(Div.Val); if (OptimizedDiv.Val && OptimizedDiv.Val != Div.Val) { - SDOperand Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1); - SDOperand Sub = DAG.getNode(ISD::SUB, VT, N0, Mul); + SDValue Mul = DAG.getNode(ISD::MUL, VT, OptimizedDiv, N1); + SDValue Sub = DAG.getNode(ISD::SUB, VT, N0, Mul); AddToWorkList(Mul.Val); return Sub; } @@ -1436,12 +1436,12 @@ SDOperand DAGCombiner::visitUREM(SDNode *N) { if (N1.getOpcode() == ISD::UNDEF) return N1; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitMULHS(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitMULHS(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N->getValueType(0); @@ -1457,12 +1457,12 @@ SDOperand DAGCombiner::visitMULHS(SDNode *N) { if (N0.getOpcode() == ISD::UNDEF || N1.getOpcode() == ISD::UNDEF) return DAG.getConstant(0, VT); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitMULHU(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitMULHU(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N->getValueType(0); @@ -1476,21 +1476,21 @@ SDOperand DAGCombiner::visitMULHU(SDNode *N) { if (N0.getOpcode() == ISD::UNDEF || N1.getOpcode() == ISD::UNDEF) return DAG.getConstant(0, VT); - return SDOperand(); + return SDValue(); } /// SimplifyNodeWithTwoResults - Perform optimizations common to nodes that /// compute two values. LoOp and HiOp give the opcodes for the two computations /// that are being performed. Return true if a simplification was made. /// -SDOperand DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, - unsigned HiOp) { +SDValue DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, + unsigned HiOp) { // If the high half is not needed, just compute the low half. bool HiExists = N->hasAnyUseOfValue(1); if (!HiExists && (!AfterLegalize || TLI.isOperationLegal(LoOp, N->getValueType(0)))) { - SDOperand Res = DAG.getNode(LoOp, N->getValueType(0), N->op_begin(), + SDValue Res = DAG.getNode(LoOp, N->getValueType(0), N->op_begin(), N->getNumOperands()); return CombineTo(N, Res, Res); } @@ -1500,21 +1500,21 @@ SDOperand DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, if (!LoExists && (!AfterLegalize || TLI.isOperationLegal(HiOp, N->getValueType(1)))) { - SDOperand Res = DAG.getNode(HiOp, N->getValueType(1), N->op_begin(), + SDValue Res = DAG.getNode(HiOp, N->getValueType(1), N->op_begin(), N->getNumOperands()); return CombineTo(N, Res, Res); } // If both halves are used, return as it is. if (LoExists && HiExists) - return SDOperand(); + return SDValue(); // If the two computed results can be simplified separately, separate them. if (LoExists) { - SDOperand Lo = DAG.getNode(LoOp, N->getValueType(0), + SDValue Lo = DAG.getNode(LoOp, N->getValueType(0), N->op_begin(), N->getNumOperands()); AddToWorkList(Lo.Val); - SDOperand LoOpt = combine(Lo.Val); + SDValue LoOpt = combine(Lo.Val); if (LoOpt.Val && LoOpt.Val != Lo.Val && (!AfterLegalize || TLI.isOperationLegal(LoOpt.getOpcode(), LoOpt.getValueType()))) @@ -1522,50 +1522,50 @@ SDOperand DAGCombiner::SimplifyNodeWithTwoResults(SDNode *N, unsigned LoOp, } if (HiExists) { - SDOperand Hi = DAG.getNode(HiOp, N->getValueType(1), + SDValue Hi = DAG.getNode(HiOp, N->getValueType(1), N->op_begin(), N->getNumOperands()); AddToWorkList(Hi.Val); - SDOperand HiOpt = combine(Hi.Val); + SDValue HiOpt = combine(Hi.Val); if (HiOpt.Val && HiOpt != Hi && (!AfterLegalize || TLI.isOperationLegal(HiOpt.getOpcode(), HiOpt.getValueType()))) return CombineTo(N, HiOpt, HiOpt); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSMUL_LOHI(SDNode *N) { - SDOperand Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHS); +SDValue DAGCombiner::visitSMUL_LOHI(SDNode *N) { + SDValue Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHS); if (Res.Val) return Res; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitUMUL_LOHI(SDNode *N) { - SDOperand Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHU); +SDValue DAGCombiner::visitUMUL_LOHI(SDNode *N) { + SDValue Res = SimplifyNodeWithTwoResults(N, ISD::MUL, ISD::MULHU); if (Res.Val) return Res; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSDIVREM(SDNode *N) { - SDOperand Res = SimplifyNodeWithTwoResults(N, ISD::SDIV, ISD::SREM); +SDValue DAGCombiner::visitSDIVREM(SDNode *N) { + SDValue Res = SimplifyNodeWithTwoResults(N, ISD::SDIV, ISD::SREM); if (Res.Val) return Res; - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitUDIVREM(SDNode *N) { - SDOperand Res = SimplifyNodeWithTwoResults(N, ISD::UDIV, ISD::UREM); +SDValue DAGCombiner::visitUDIVREM(SDNode *N) { + SDValue Res = SimplifyNodeWithTwoResults(N, ISD::UDIV, ISD::UREM); if (Res.Val) return Res; - return SDOperand(); + return SDValue(); } /// SimplifyBinOpWithSameOpcodeHands - If this is a binary operator with /// two operands of the same opcode, try to simplify it. -SDOperand DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) { - SDOperand N0 = N->getOperand(0), N1 = N->getOperand(1); +SDValue DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) { + SDValue N0 = N->getOperand(0), N1 = N->getOperand(1); MVT VT = N0.getValueType(); assert(N0.getOpcode() == N1.getOpcode() && "Bad input!"); @@ -1577,7 +1577,7 @@ SDOperand DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) { if ((N0.getOpcode() == ISD::ZERO_EXTEND || N0.getOpcode() == ISD::ANY_EXTEND|| N0.getOpcode() == ISD::SIGN_EXTEND || N0.getOpcode() == ISD::TRUNCATE) && N0.getOperand(0).getValueType() == N1.getOperand(0).getValueType()) { - SDOperand ORNode = DAG.getNode(N->getOpcode(), + SDValue ORNode = DAG.getNode(N->getOpcode(), N0.getOperand(0).getValueType(), N0.getOperand(0), N1.getOperand(0)); AddToWorkList(ORNode.Val); @@ -1591,20 +1591,20 @@ SDOperand DAGCombiner::SimplifyBinOpWithSameOpcodeHands(SDNode *N) { if ((N0.getOpcode() == ISD::SHL || N0.getOpcode() == ISD::SRL || N0.getOpcode() == ISD::SRA || N0.getOpcode() == ISD::AND) && N0.getOperand(1) == N1.getOperand(1)) { - SDOperand ORNode = DAG.getNode(N->getOpcode(), + SDValue ORNode = DAG.getNode(N->getOpcode(), N0.getOperand(0).getValueType(), N0.getOperand(0), N1.getOperand(0)); AddToWorkList(ORNode.Val); return DAG.getNode(N0.getOpcode(), VT, ORNode, N0.getOperand(1)); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitAND(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand LL, LR, RL, RR, CC0, CC1; +SDValue DAGCombiner::visitAND(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue LL, LR, RL, RR, CC0, CC1; ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N1.getValueType(); @@ -1612,7 +1612,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1629,11 +1629,11 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { if (N1C && N1C->isAllOnesValue()) return N0; // if (and x, c) is known to be zero, return 0 - if (N1C && DAG.MaskedValueIsZero(SDOperand(N, 0), + if (N1C && DAG.MaskedValueIsZero(SDValue(N, 0), APInt::getAllOnesValue(BitWidth))) return DAG.getConstant(0, VT); // reassociate and - SDOperand RAND = ReassociateOps(ISD::AND, N0, N1); + SDValue RAND = ReassociateOps(ISD::AND, N0, N1); if (RAND.Val != 0) return RAND; // fold (and (or x, 0xFFFF), 0xFF) -> 0xFF @@ -1643,11 +1643,11 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { return N1; // fold (and (any_ext V), c) -> (zero_ext V) if 'and' only clears top bits. if (N1C && N0.getOpcode() == ISD::ANY_EXTEND) { - SDOperand N0Op0 = N0.getOperand(0); + SDValue N0Op0 = N0.getOperand(0); APInt Mask = ~N1C->getAPIntValue(); Mask.trunc(N0Op0.getValueSizeInBits()); if (DAG.MaskedValueIsZero(N0Op0, Mask)) { - SDOperand Zext = DAG.getNode(ISD::ZERO_EXTEND, N0.getValueType(), + SDValue Zext = DAG.getNode(ISD::ZERO_EXTEND, N0.getValueType(), N0Op0); // Replace uses of the AND with uses of the Zero extend node. @@ -1657,7 +1657,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { // zero_extend, to avoid duplicating things. This will later cause this // AND to be folded. CombineTo(N0.Val, Zext); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } // fold (and (setcc x), (setcc y)) -> (setcc (and x, y)) @@ -1669,19 +1669,19 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { LL.getValueType().isInteger()) { // fold (X == 0) & (Y == 0) -> (X|Y == 0) if (cast<ConstantSDNode>(LR)->isNullValue() && Op1 == ISD::SETEQ) { - SDOperand ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); + SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); AddToWorkList(ORNode.Val); return DAG.getSetCC(VT, ORNode, LR, Op1); } // fold (X == -1) & (Y == -1) -> (X&Y == -1) if (cast<ConstantSDNode>(LR)->isAllOnesValue() && Op1 == ISD::SETEQ) { - SDOperand ANDNode = DAG.getNode(ISD::AND, LR.getValueType(), LL, RL); + SDValue ANDNode = DAG.getNode(ISD::AND, LR.getValueType(), LL, RL); AddToWorkList(ANDNode.Val); return DAG.getSetCC(VT, ANDNode, LR, Op1); } // fold (X > -1) & (Y > -1) -> (X|Y > -1) if (cast<ConstantSDNode>(LR)->isAllOnesValue() && Op1 == ISD::SETGT) { - SDOperand ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); + SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); AddToWorkList(ORNode.Val); return DAG.getSetCC(VT, ORNode, LR, Op1); } @@ -1701,15 +1701,15 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { // Simplify: and (op x...), (op y...) -> (op (and x, y)) if (N0.getOpcode() == N1.getOpcode()) { - SDOperand Tmp = SimplifyBinOpWithSameOpcodeHands(N); + SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N); if (Tmp.Val) return Tmp; } // fold (and (sign_extend_inreg x, i16 to i32), 1) -> (and x, 1) // fold (and (sra)) -> (and (srl)) when possible. if (!VT.isVector() && - SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); // fold (zext_inreg (extload x)) -> (zextload x) if (ISD::isEXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val)) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); @@ -1721,14 +1721,14 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { BitWidth - EVT.getSizeInBits())) && ((!AfterLegalize && !LN0->isVolatile()) || TLI.isLoadXLegal(ISD::ZEXTLOAD, EVT))) { - SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), LN0->getAlignment()); AddToWorkList(N); CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } // fold (zext_inreg (sextload x)) -> (zextload x) iff load has one use @@ -1743,14 +1743,14 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { BitWidth - EVT.getSizeInBits())) && ((!AfterLegalize && !LN0->isVolatile()) || TLI.isLoadXLegal(ISD::ZEXTLOAD, EVT))) { - SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), LN0->getAlignment()); AddToWorkList(N); CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } @@ -1780,38 +1780,38 @@ SDOperand DAGCombiner::visitAND(SDNode *N) { unsigned EVTStoreBytes = EVT.getStoreSizeInBits()/8; unsigned PtrOff = LVTStoreBytes - EVTStoreBytes; unsigned Alignment = LN0->getAlignment(); - SDOperand NewPtr = LN0->getBasePtr(); + SDValue NewPtr = LN0->getBasePtr(); if (TLI.isBigEndian()) { NewPtr = DAG.getNode(ISD::ADD, PtrType, NewPtr, DAG.getConstant(PtrOff, PtrType)); Alignment = MinAlign(Alignment, PtrOff); } AddToWorkList(NewPtr.Val); - SDOperand Load = + SDValue Load = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), NewPtr, LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), Alignment); AddToWorkList(N); CombineTo(N0.Val, Load, Load.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitOR(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand LL, LR, RL, RR, CC0, CC1; +SDValue DAGCombiner::visitOR(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue LL, LR, RL, RR, CC0, CC1; ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N1.getValueType(); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -1834,7 +1834,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { if (N1C && DAG.MaskedValueIsZero(N0, ~N1C->getAPIntValue())) return N1; // reassociate or - SDOperand ROR = ReassociateOps(ISD::OR, N0, N1); + SDValue ROR = ReassociateOps(ISD::OR, N0, N1); if (ROR.Val != 0) return ROR; // Canonicalize (or (and X, c1), c2) -> (and (or X, c2), c1|c2) @@ -1857,7 +1857,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { // fold (X < 0) | (Y < 0) -> (X|Y < 0) if (cast<ConstantSDNode>(LR)->isNullValue() && (Op1 == ISD::SETNE || Op1 == ISD::SETLT)) { - SDOperand ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); + SDValue ORNode = DAG.getNode(ISD::OR, LR.getValueType(), LL, RL); AddToWorkList(ORNode.Val); return DAG.getSetCC(VT, ORNode, LR, Op1); } @@ -1865,7 +1865,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { // fold (X > -1) | (Y > -1) -> (X&Y > -1) if (cast<ConstantSDNode>(LR)->isAllOnesValue() && (Op1 == ISD::SETNE || Op1 == ISD::SETGT)) { - SDOperand ANDNode = DAG.getNode(ISD::AND, LR.getValueType(), LL, RL); + SDValue ANDNode = DAG.getNode(ISD::AND, LR.getValueType(), LL, RL); AddToWorkList(ANDNode.Val); return DAG.getSetCC(VT, ANDNode, LR, Op1); } @@ -1885,7 +1885,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { // Simplify: or (op x...), (op y...) -> (op (or x, y)) if (N0.getOpcode() == N1.getOpcode()) { - SDOperand Tmp = SimplifyBinOpWithSameOpcodeHands(N); + SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N); if (Tmp.Val) return Tmp; } @@ -1905,7 +1905,7 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { if (DAG.MaskedValueIsZero(N0.getOperand(0), RHSMask&~LHSMask) && DAG.MaskedValueIsZero(N1.getOperand(0), LHSMask&~RHSMask)) { - SDOperand X =DAG.getNode(ISD::OR, VT, N0.getOperand(0), N1.getOperand(0)); + SDValue X =DAG.getNode(ISD::OR, VT, N0.getOperand(0), N1.getOperand(0)); return DAG.getNode(ISD::AND, VT, X, DAG.getConstant(LHSMask|RHSMask, VT)); } } @@ -1913,14 +1913,14 @@ SDOperand DAGCombiner::visitOR(SDNode *N) { // See if this is some rotate idiom. if (SDNode *Rot = MatchRotate(N0, N1)) - return SDOperand(Rot, 0); + return SDValue(Rot, 0); - return SDOperand(); + return SDValue(); } /// MatchRotateHalf - Match "(X shl/srl V1) & V2" where V2 may not be present. -static bool MatchRotateHalf(SDOperand Op, SDOperand &Shift, SDOperand &Mask) { +static bool MatchRotateHalf(SDValue Op, SDValue &Shift, SDValue &Mask) { if (Op.getOpcode() == ISD::AND) { if (isa<ConstantSDNode>(Op.getOperand(1))) { Mask = Op.getOperand(1); @@ -1941,7 +1941,7 @@ static bool MatchRotateHalf(SDOperand Op, SDOperand &Shift, SDOperand &Mask) { // MatchRotate - Handle an 'or' of two operands. If this is one of the many // idioms for rotate, and if the target supports rotation instructions, generate // a rot[lr]. -SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { +SDNode *DAGCombiner::MatchRotate(SDValue LHS, SDValue RHS) { // Must be a legal type. Expanded 'n promoted things won't work with rotates. MVT VT = LHS.getValueType(); if (!TLI.isTypeLegal(VT)) return 0; @@ -1952,13 +1952,13 @@ SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { if (!HasROTL && !HasROTR) return 0; // Match "(X shl/srl V1) & V2" where V2 may not be present. - SDOperand LHSShift; // The shift. - SDOperand LHSMask; // AND value if any. + SDValue LHSShift; // The shift. + SDValue LHSMask; // AND value if any. if (!MatchRotateHalf(LHS, LHSShift, LHSMask)) return 0; // Not part of a rotate. - SDOperand RHSShift; // The shift. - SDOperand RHSMask; // AND value if any. + SDValue RHSShift; // The shift. + SDValue RHSMask; // AND value if any. if (!MatchRotateHalf(RHS, RHSShift, RHSMask)) return 0; // Not part of a rotate. @@ -1976,9 +1976,9 @@ SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { } unsigned OpSizeInBits = VT.getSizeInBits(); - SDOperand LHSShiftArg = LHSShift.getOperand(0); - SDOperand LHSShiftAmt = LHSShift.getOperand(1); - SDOperand RHSShiftAmt = RHSShift.getOperand(1); + SDValue LHSShiftArg = LHSShift.getOperand(0); + SDValue LHSShiftAmt = LHSShift.getOperand(1); + SDValue RHSShiftAmt = RHSShift.getOperand(1); // fold (or (shl x, C1), (srl x, C2)) -> (rotl x, C1) // fold (or (shl x, C1), (srl x, C2)) -> (rotr x, C2) @@ -1989,7 +1989,7 @@ SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { if ((LShVal + RShVal) != OpSizeInBits) return 0; - SDOperand Rot; + SDValue Rot; if (HasROTL) Rot = DAG.getNode(ISD::ROTL, VT, LHSShiftArg, LHSShiftAmt); else @@ -2056,8 +2056,8 @@ SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { (RHSShiftAmt.getOpcode() == ISD::SIGN_EXTEND || RHSShiftAmt.getOpcode() == ISD::ZERO_EXTEND || RHSShiftAmt.getOpcode() == ISD::ANY_EXTEND)) { - SDOperand LExtOp0 = LHSShiftAmt.getOperand(0); - SDOperand RExtOp0 = RHSShiftAmt.getOperand(0); + SDValue LExtOp0 = LHSShiftAmt.getOperand(0); + SDValue RExtOp0 = RHSShiftAmt.getOperand(0); if (RExtOp0.getOpcode() == ISD::SUB && RExtOp0.getOperand(1) == LExtOp0) { // fold (or (shl x, (*ext y)), (srl x, (*ext (sub 32, y)))) -> @@ -2093,17 +2093,17 @@ SDNode *DAGCombiner::MatchRotate(SDOperand LHS, SDOperand RHS) { } -SDOperand DAGCombiner::visitXOR(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand LHS, RHS, CC; +SDValue DAGCombiner::visitXOR(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue LHS, RHS, CC; ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -2125,7 +2125,7 @@ SDOperand DAGCombiner::visitXOR(SDNode *N) { if (N1C && N1C->isNullValue()) return N0; // reassociate xor - SDOperand RXOR = ReassociateOps(ISD::XOR, N0, N1); + SDValue RXOR = ReassociateOps(ISD::XOR, N0, N1); if (RXOR.Val != 0) return RXOR; // fold !(x cc y) -> (x !cc y) @@ -2143,7 +2143,7 @@ SDOperand DAGCombiner::visitXOR(SDNode *N) { // fold (not (zext (setcc x, y))) -> (zext (not (setcc x, y))) if (N1C && N1C->getAPIntValue() == 1 && N0.getOpcode() == ISD::ZERO_EXTEND && N0.Val->hasOneUse() && isSetCCEquivalent(N0.getOperand(0), LHS, RHS, CC)){ - SDOperand V = N0.getOperand(0); + SDValue V = N0.getOperand(0); V = DAG.getNode(ISD::XOR, V.getValueType(), V, DAG.getConstant(1, V.getValueType())); AddToWorkList(V.Val); @@ -2153,7 +2153,7 @@ SDOperand DAGCombiner::visitXOR(SDNode *N) { // fold !(x or y) -> (!x and !y) iff x or y are setcc if (N1C && N1C->getAPIntValue() == 1 && VT == MVT::i1 && (N0.getOpcode() == ISD::OR || N0.getOpcode() == ISD::AND)) { - SDOperand LHS = N0.getOperand(0), RHS = N0.getOperand(1); + SDValue LHS = N0.getOperand(0), RHS = N0.getOperand(1); if (isOneUseSetCC(RHS) || isOneUseSetCC(LHS)) { unsigned NewOpcode = N0.getOpcode() == ISD::AND ? ISD::OR : ISD::AND; LHS = DAG.getNode(ISD::XOR, VT, LHS, N1); // RHS = ~LHS @@ -2165,7 +2165,7 @@ SDOperand DAGCombiner::visitXOR(SDNode *N) { // fold !(x or y) -> (!x and !y) iff x or y are constants if (N1C && N1C->isAllOnesValue() && (N0.getOpcode() == ISD::OR || N0.getOpcode() == ISD::AND)) { - SDOperand LHS = N0.getOperand(0), RHS = N0.getOperand(1); + SDValue LHS = N0.getOperand(0), RHS = N0.getOperand(1); if (isa<ConstantSDNode>(RHS) || isa<ConstantSDNode>(LHS)) { unsigned NewOpcode = N0.getOpcode() == ISD::AND ? ISD::OR : ISD::AND; LHS = DAG.getNode(ISD::XOR, VT, LHS, N1); // RHS = ~LHS @@ -2193,31 +2193,31 @@ SDOperand DAGCombiner::visitXOR(SDNode *N) { return DAG.getConstant(0, VT); } else if (!AfterLegalize || TLI.isOperationLegal(ISD::BUILD_VECTOR, VT)) { // Produce a vector of zeros. - SDOperand El = DAG.getConstant(0, VT.getVectorElementType()); - std::vector<SDOperand> Ops(VT.getVectorNumElements(), El); + SDValue El = DAG.getConstant(0, VT.getVectorElementType()); + std::vector<SDValue> Ops(VT.getVectorNumElements(), El); return DAG.getNode(ISD::BUILD_VECTOR, VT, &Ops[0], Ops.size()); } } // Simplify: xor (op x...), (op y...) -> (op (xor x, y)) if (N0.getOpcode() == N1.getOpcode()) { - SDOperand Tmp = SimplifyBinOpWithSameOpcodeHands(N); + SDValue Tmp = SimplifyBinOpWithSameOpcodeHands(N); if (Tmp.Val) return Tmp; } // Simplify the expression using non-local knowledge. if (!VT.isVector() && - SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); - return SDOperand(); + return SDValue(); } /// visitShiftByConstant - Handle transforms common to the three shifts, when /// the shift amount is a constant. -SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { +SDValue DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { SDNode *LHS = N->getOperand(0).Val; - if (!LHS->hasOneUse()) return SDOperand(); + if (!LHS->hasOneUse()) return SDValue(); // We want to pull some binops through shifts, so that we have (and (shift)) // instead of (shift (and)), likewise for add, or, xor, etc. This sort of @@ -2226,7 +2226,7 @@ SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { bool HighBitSet = false; // Can we transform this if the high bit is set? switch (LHS->getOpcode()) { - default: return SDOperand(); + default: return SDValue(); case ISD::OR: case ISD::XOR: HighBitSet = false; // We can only transform sra if the high bit is clear. @@ -2236,14 +2236,14 @@ SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { break; case ISD::ADD: if (N->getOpcode() != ISD::SHL) - return SDOperand(); // only shl(add) not sr[al](add). + return SDValue(); // only shl(add) not sr[al](add). HighBitSet = false; // We can only transform sra if the high bit is clear. break; } // We require the RHS of the binop to be a constant as well. ConstantSDNode *BinOpCst = dyn_cast<ConstantSDNode>(LHS->getOperand(1)); - if (!BinOpCst) return SDOperand(); + if (!BinOpCst) return SDValue(); // FIXME: disable this for unless the input to the binop is a shift by a @@ -2256,7 +2256,7 @@ SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { BinOpLHSVal->getOpcode() != ISD::SRA && BinOpLHSVal->getOpcode() != ISD::SRL) || !isa<ConstantSDNode>(BinOpLHSVal->getOperand(1))) - return SDOperand(); + return SDValue(); MVT VT = N->getValueType(0); @@ -2268,15 +2268,15 @@ SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { if (N->getOpcode() == ISD::SRA) { bool BinOpRHSSignSet = BinOpCst->getAPIntValue().isNegative(); if (BinOpRHSSignSet != HighBitSet) - return SDOperand(); + return SDValue(); } // Fold the constants, shifting the binop RHS by the shift amount. - SDOperand NewRHS = DAG.getNode(N->getOpcode(), N->getValueType(0), + SDValue NewRHS = DAG.getNode(N->getOpcode(), N->getValueType(0), LHS->getOperand(1), N->getOperand(1)); // Create the new shift. - SDOperand NewShift = DAG.getNode(N->getOpcode(), VT, LHS->getOperand(0), + SDValue NewShift = DAG.getNode(N->getOpcode(), VT, LHS->getOperand(0), N->getOperand(1)); // Create the new binop. @@ -2284,9 +2284,9 @@ SDOperand DAGCombiner::visitShiftByConstant(SDNode *N, unsigned Amt) { } -SDOperand DAGCombiner::visitSHL(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSHL(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); @@ -2305,11 +2305,11 @@ SDOperand DAGCombiner::visitSHL(SDNode *N) { if (N1C && N1C->isNullValue()) return N0; // if (shl x, c) is known to be zero, return 0 - if (DAG.MaskedValueIsZero(SDOperand(N, 0), + if (DAG.MaskedValueIsZero(SDValue(N, 0), APInt::getAllOnesValue(VT.getSizeInBits()))) return DAG.getConstant(0, VT); - if (N1C && SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + if (N1C && SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); // fold (shl (shl x, c1), c2) -> 0 or (shl x, c1+c2) if (N1C && N0.getOpcode() == ISD::SHL && N0.getOperand(1).getOpcode() == ISD::Constant) { @@ -2326,7 +2326,7 @@ SDOperand DAGCombiner::visitSHL(SDNode *N) { N0.getOperand(1).getOpcode() == ISD::Constant) { uint64_t c1 = cast<ConstantSDNode>(N0.getOperand(1))->getValue(); uint64_t c2 = N1C->getValue(); - SDOperand Mask = DAG.getNode(ISD::AND, VT, N0.getOperand(0), + SDValue Mask = DAG.getNode(ISD::AND, VT, N0.getOperand(0), DAG.getConstant(~0ULL << c1, VT)); if (c2 > c1) return DAG.getNode(ISD::SHL, VT, Mask, @@ -2340,12 +2340,12 @@ SDOperand DAGCombiner::visitSHL(SDNode *N) { return DAG.getNode(ISD::AND, VT, N0.getOperand(0), DAG.getConstant(~0ULL << N1C->getValue(), VT)); - return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDOperand(); + return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDValue(); } -SDOperand DAGCombiner::visitSRA(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSRA(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); @@ -2411,29 +2411,29 @@ SDOperand DAGCombiner::visitSRA(SDNode *N) { TLI.isOperationLegal(ISD::TRUNCATE, VT) && TLI.isTruncateFree(VT, TruncVT)) { - SDOperand Amt = DAG.getConstant(ShiftAmt, TLI.getShiftAmountTy()); - SDOperand Shift = DAG.getNode(ISD::SRL, VT, N0.getOperand(0), Amt); - SDOperand Trunc = DAG.getNode(ISD::TRUNCATE, TruncVT, Shift); + SDValue Amt = DAG.getConstant(ShiftAmt, TLI.getShiftAmountTy()); + SDValue Shift = DAG.getNode(ISD::SRL, VT, N0.getOperand(0), Amt); + SDValue Trunc = DAG.getNode(ISD::TRUNCATE, TruncVT, Shift); return DAG.getNode(ISD::SIGN_EXTEND, N->getValueType(0), Trunc); } } } // Simplify, based on bits shifted out of the LHS. - if (N1C && SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + if (N1C && SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); // If the sign bit is known to be zero, switch this to a SRL. if (DAG.SignBitIsZero(N0)) return DAG.getNode(ISD::SRL, VT, N0, N1); - return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDOperand(); + return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDValue(); } -SDOperand DAGCombiner::visitSRL(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSRL(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); MVT VT = N0.getValueType(); @@ -2452,7 +2452,7 @@ SDOperand DAGCombiner::visitSRL(SDNode *N) { if (N1C && N1C->isNullValue()) return N0; // if (srl x, c) is known to be zero, return 0 - if (N1C && DAG.MaskedValueIsZero(SDOperand(N, 0), + if (N1C && DAG.MaskedValueIsZero(SDValue(N, 0), APInt::getAllOnesValue(OpSizeInBits))) return DAG.getConstant(0, VT); @@ -2474,7 +2474,7 @@ SDOperand DAGCombiner::visitSRL(SDNode *N) { if (N1C->getValue() >= SmallVT.getSizeInBits()) return DAG.getNode(ISD::UNDEF, VT); - SDOperand SmallShift = DAG.getNode(ISD::SRL, SmallVT, N0.getOperand(0), N1); + SDValue SmallShift = DAG.getNode(ISD::SRL, SmallVT, N0.getOperand(0), N1); AddToWorkList(SmallShift.Val); return DAG.getNode(ISD::ANY_EXTEND, VT, SmallShift); } @@ -2509,7 +2509,7 @@ SDOperand DAGCombiner::visitSRL(SDNode *N) { // will return 0, if it is clear, it returns 1. Change the CTLZ/SRL pair // to an SRL,XOR pair, which is likely to simplify more. unsigned ShAmt = UnknownBits.countTrailingZeros(); - SDOperand Op = N0.getOperand(0); + SDValue Op = N0.getOperand(0); if (ShAmt) { Op = DAG.getNode(ISD::SRL, VT, Op, DAG.getConstant(ShAmt, TLI.getShiftAmountTy())); @@ -2521,46 +2521,46 @@ SDOperand DAGCombiner::visitSRL(SDNode *N) { // fold operands of srl based on knowledge that the low bits are not // demanded. - if (N1C && SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + if (N1C && SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); - return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDOperand(); + return N1C ? visitShiftByConstant(N, N1C->getValue()) : SDValue(); } -SDOperand DAGCombiner::visitCTLZ(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitCTLZ(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (ctlz c1) -> c2 if (isa<ConstantSDNode>(N0)) return DAG.getNode(ISD::CTLZ, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitCTTZ(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitCTTZ(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (cttz c1) -> c2 if (isa<ConstantSDNode>(N0)) return DAG.getNode(ISD::CTTZ, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitCTPOP(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitCTPOP(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (ctpop c1) -> c2 if (isa<ConstantSDNode>(N0)) return DAG.getNode(ISD::CTPOP, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSELECT(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand N2 = N->getOperand(2); +SDValue DAGCombiner::visitSELECT(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue N2 = N->getOperand(2); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2); @@ -2582,7 +2582,7 @@ SDOperand DAGCombiner::visitSELECT(SDNode *N) { // fold select C, 0, 1 -> ~C if (VT.isInteger() && VT0.isInteger() && N1C && N2C && N1C->isNullValue() && N2C->getAPIntValue() == 1) { - SDOperand XORNode = DAG.getNode(ISD::XOR, VT0, N0, DAG.getConstant(1, VT0)); + SDValue XORNode = DAG.getNode(ISD::XOR, VT0, N0, DAG.getConstant(1, VT0)); if (VT == VT0) return XORNode; AddToWorkList(XORNode.Val); @@ -2592,13 +2592,13 @@ SDOperand DAGCombiner::visitSELECT(SDNode *N) { } // fold select C, 0, X -> ~C & X if (VT == VT0 && VT == MVT::i1 && N1C && N1C->isNullValue()) { - SDOperand XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT)); + SDValue XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT)); AddToWorkList(XORNode.Val); return DAG.getNode(ISD::AND, VT, XORNode, N2); } // fold select C, X, 1 -> ~C | X if (VT == VT0 && VT == MVT::i1 && N2C && N2C->getAPIntValue() == 1) { - SDOperand XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT)); + SDValue XORNode = DAG.getNode(ISD::XOR, VT, N0, DAG.getConstant(1, VT)); AddToWorkList(XORNode.Val); return DAG.getNode(ISD::OR, VT, XORNode, N1); } @@ -2615,7 +2615,7 @@ SDOperand DAGCombiner::visitSELECT(SDNode *N) { // If we can fold this based on the true/false value, do so. if (SimplifySelectOps(N, N1, N2)) - return SDOperand(N, 0); // Don't revisit N. + return SDValue(N, 0); // Don't revisit N. // fold selects based on a setcc into other things, such as min/max/abs if (N0.getOpcode() == ISD::SETCC) { @@ -2629,15 +2629,15 @@ SDOperand DAGCombiner::visitSELECT(SDNode *N) { else return SimplifySelect(N0, N1, N2); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSELECT_CC(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand N2 = N->getOperand(2); - SDOperand N3 = N->getOperand(3); - SDOperand N4 = N->getOperand(4); +SDValue DAGCombiner::visitSELECT_CC(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue N2 = N->getOperand(2); + SDValue N3 = N->getOperand(3); + SDValue N4 = N->getOperand(4); ISD::CondCode CC = cast<CondCodeSDNode>(N4)->get(); // fold select_cc lhs, rhs, x, x, cc -> x @@ -2645,7 +2645,7 @@ SDOperand DAGCombiner::visitSELECT_CC(SDNode *N) { return N2; // Determine if the condition we're dealing with is constant - SDOperand SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1, CC, false); + SDValue SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1, CC, false); if (SCC.Val) AddToWorkList(SCC.Val); if (ConstantSDNode *SCCC = dyn_cast_or_null<ConstantSDNode>(SCC.Val)) { @@ -2663,13 +2663,13 @@ SDOperand DAGCombiner::visitSELECT_CC(SDNode *N) { // If we can fold this based on the true/false value, do so. if (SimplifySelectOps(N, N2, N3)) - return SDOperand(N, 0); // Don't revisit N. + return SDValue(N, 0); // Don't revisit N. // fold select_cc into other things, such as min/max/abs return SimplifySelectCC(N0, N1, N2, N3, CC); } -SDOperand DAGCombiner::visitSETCC(SDNode *N) { +SDValue DAGCombiner::visitSETCC(SDNode *N) { return SimplifySetCC(N->getValueType(0), N->getOperand(0), N->getOperand(1), cast<CondCodeSDNode>(N->getOperand(2))->get()); } @@ -2678,7 +2678,7 @@ SDOperand DAGCombiner::visitSETCC(SDNode *N) { // "fold ({s|z}ext (load x)) -> ({s|z}ext (truncate ({s|z}extload x)))" // transformation. Returns true if extension are possible and the above // mentioned transformation is profitable. -static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0, +static bool ExtendUsesToFormExtLoad(SDNode *N, SDValue N0, unsigned ExtOpc, SmallVector<SDNode*, 4> &ExtendNodes, TargetLowering &TLI) { @@ -2697,7 +2697,7 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0, return false; bool Add = false; for (unsigned i = 0; i != 2; ++i) { - SDOperand UseOp = User->getOperand(i); + SDValue UseOp = User->getOperand(i); if (UseOp == N0) continue; if (!isa<ConstantSDNode>(UseOp)) @@ -2708,7 +2708,7 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0, ExtendNodes.push_back(User); } else { for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) { - SDOperand UseOp = User->getOperand(i); + SDValue UseOp = User->getOperand(i); if (UseOp == N0) { // If truncate from extended type to original load type is free // on this target, then it's ok to extend a CopyToReg. @@ -2727,7 +2727,7 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0, UI != UE; ++UI) { SDNode *User = *UI; for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) { - SDOperand UseOp = User->getOperand(i); + SDValue UseOp = User->getOperand(i); if (UseOp.Val == N && UseOp.ResNo == 0) { BothLiveOut = true; break; @@ -2742,8 +2742,8 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0, return true; } -SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (sext c1) -> c1 @@ -2758,7 +2758,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { if (N0.getOpcode() == ISD::TRUNCATE) { // fold (sext (truncate (load x))) -> (sext (smaller load x)) // fold (sext (truncate (srl (load x), c))) -> (sext (smaller load (x+c/n))) - SDOperand NarrowLoad = ReduceLoadWidth(N0.Val); + SDValue NarrowLoad = ReduceLoadWidth(N0.Val); if (NarrowLoad.Val) { if (NarrowLoad.Val != N0.Val) CombineTo(N0.Val, NarrowLoad); @@ -2767,7 +2767,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { // See if the value being truncated is already sign extended. If so, just // eliminate the trunc/sext pair. - SDOperand Op = N0.getOperand(0); + SDValue Op = N0.getOperand(0); unsigned OpBits = Op.getValueType().getSizeInBits(); unsigned MidBits = N0.getValueType().getSizeInBits(); unsigned DestBits = VT.getSizeInBits(); @@ -2812,21 +2812,21 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { DoXform = ExtendUsesToFormExtLoad(N, N0, ISD::SIGN_EXTEND, SetCCs, TLI); if (DoXform) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), N0.getValueType(), LN0->isVolatile(), LN0->getAlignment()); CombineTo(N, ExtLoad); - SDOperand Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad); + SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad); CombineTo(N0.Val, Trunc, ExtLoad.getValue(1)); // Extend SetCC uses if necessary. for (unsigned i = 0, e = SetCCs.size(); i != e; ++i) { SDNode *SetCC = SetCCs[i]; - SmallVector<SDOperand, 4> Ops; + SmallVector<SDValue, 4> Ops; for (unsigned j = 0; j != 2; ++j) { - SDOperand SOp = SetCC->getOperand(j); + SDValue SOp = SetCC->getOperand(j); if (SOp == Trunc) Ops.push_back(ExtLoad); else @@ -2836,7 +2836,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { CombineTo(SetCC, DAG.getNode(ISD::SETCC, SetCC->getValueType(0), &Ops[0], Ops.size())); } - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } @@ -2848,7 +2848,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { MVT EVT = LN0->getMemoryVT(); if ((!AfterLegalize && !LN0->isVolatile()) || TLI.isLoadXLegal(ISD::SEXTLOAD, EVT)) { - SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), @@ -2856,13 +2856,13 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { CombineTo(N, ExtLoad); CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad), ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } // sext(setcc x,y,cc) -> select_cc x, y, -1, 0, cc if (N0.getOpcode() == ISD::SETCC) { - SDOperand SCC = + SDValue SCC = SimplifySelectCC(N0.getOperand(0), N0.getOperand(1), DAG.getConstant(~0ULL, VT), DAG.getConstant(0, VT), cast<CondCodeSDNode>(N0.getOperand(2))->get(), true); @@ -2874,11 +2874,11 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) { DAG.SignBitIsZero(N0)) return DAG.getNode(ISD::ZERO_EXTEND, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (zext c1) -> c1 @@ -2892,7 +2892,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { // fold (zext (truncate (load x))) -> (zext (smaller load x)) // fold (zext (truncate (srl (load x), c))) -> (zext (small load (x+c/n))) if (N0.getOpcode() == ISD::TRUNCATE) { - SDOperand NarrowLoad = ReduceLoadWidth(N0.Val); + SDValue NarrowLoad = ReduceLoadWidth(N0.Val); if (NarrowLoad.Val) { if (NarrowLoad.Val != N0.Val) CombineTo(N0.Val, NarrowLoad); @@ -2903,7 +2903,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { // fold (zext (truncate x)) -> (and x, mask) if (N0.getOpcode() == ISD::TRUNCATE && (!AfterLegalize || TLI.isOperationLegal(ISD::AND, VT))) { - SDOperand Op = N0.getOperand(0); + SDValue Op = N0.getOperand(0); if (Op.getValueType().bitsLT(VT)) { Op = DAG.getNode(ISD::ANY_EXTEND, VT, Op); } else if (Op.getValueType().bitsGT(VT)) { @@ -2916,7 +2916,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { if (N0.getOpcode() == ISD::AND && N0.getOperand(0).getOpcode() == ISD::TRUNCATE && N0.getOperand(1).getOpcode() == ISD::Constant) { - SDOperand X = N0.getOperand(0).getOperand(0); + SDValue X = N0.getOperand(0).getOperand(0); if (X.getValueType().bitsLT(VT)) { X = DAG.getNode(ISD::ANY_EXTEND, VT, X); } else if (X.getValueType().bitsGT(VT)) { @@ -2937,21 +2937,21 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { DoXform = ExtendUsesToFormExtLoad(N, N0, ISD::ZERO_EXTEND, SetCCs, TLI); if (DoXform) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), N0.getValueType(), LN0->isVolatile(), LN0->getAlignment()); CombineTo(N, ExtLoad); - SDOperand Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad); + SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad); CombineTo(N0.Val, Trunc, ExtLoad.getValue(1)); // Extend SetCC uses if necessary. for (unsigned i = 0, e = SetCCs.size(); i != e; ++i) { SDNode *SetCC = SetCCs[i]; - SmallVector<SDOperand, 4> Ops; + SmallVector<SDValue, 4> Ops; for (unsigned j = 0; j != 2; ++j) { - SDOperand SOp = SetCC->getOperand(j); + SDValue SOp = SetCC->getOperand(j); if (SOp == Trunc) Ops.push_back(ExtLoad); else @@ -2961,7 +2961,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { CombineTo(SetCC, DAG.getNode(ISD::SETCC, SetCC->getValueType(0), &Ops[0], Ops.size())); } - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } @@ -2973,7 +2973,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { MVT EVT = LN0->getMemoryVT(); if ((!AfterLegalize && !LN0->isVolatile()) || TLI.isLoadXLegal(ISD::ZEXTLOAD, EVT)) { - SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), @@ -2981,24 +2981,24 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { CombineTo(N, ExtLoad); CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad), ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } // zext(setcc x,y,cc) -> select_cc x, y, 1, 0, cc if (N0.getOpcode() == ISD::SETCC) { - SDOperand SCC = + SDValue SCC = SimplifySelectCC(N0.getOperand(0), N0.getOperand(1), DAG.getConstant(1, VT), DAG.getConstant(0, VT), cast<CondCodeSDNode>(N0.getOperand(2))->get(), true); if (SCC.Val) return SCC; } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // fold (aext c1) -> c1 @@ -3015,7 +3015,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { // fold (aext (truncate (load x))) -> (aext (smaller load x)) // fold (aext (truncate (srl (load x), c))) -> (aext (small load (x+c/n))) if (N0.getOpcode() == ISD::TRUNCATE) { - SDOperand NarrowLoad = ReduceLoadWidth(N0.Val); + SDValue NarrowLoad = ReduceLoadWidth(N0.Val); if (NarrowLoad.Val) { if (NarrowLoad.Val != N0.Val) CombineTo(N0.Val, NarrowLoad); @@ -3025,7 +3025,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { // fold (aext (truncate x)) if (N0.getOpcode() == ISD::TRUNCATE) { - SDOperand TruncOp = N0.getOperand(0); + SDValue TruncOp = N0.getOperand(0); if (TruncOp.getValueType() == VT) return TruncOp; // x iff x size == zext size. if (TruncOp.getValueType().bitsGT(VT)) @@ -3037,7 +3037,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { if (N0.getOpcode() == ISD::AND && N0.getOperand(0).getOpcode() == ISD::TRUNCATE && N0.getOperand(1).getOpcode() == ISD::Constant) { - SDOperand X = N0.getOperand(0).getOperand(0); + SDValue X = N0.getOperand(0).getOperand(0); if (X.getValueType().bitsLT(VT)) { X = DAG.getNode(ISD::ANY_EXTEND, VT, X); } else if (X.getValueType().bitsGT(VT)) { @@ -3053,7 +3053,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) || TLI.isLoadXLegal(ISD::EXTLOAD, N0.getValueType()))) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), N0.getValueType(), @@ -3062,7 +3062,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { CombineTo(N, ExtLoad); CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad), ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } // fold (aext (zextload x)) -> (aext (truncate (zextload x))) @@ -3073,7 +3073,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { N0.hasOneUse()) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); MVT EVT = LN0->getMemoryVT(); - SDOperand ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), VT, + SDValue ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, @@ -3082,12 +3082,12 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { CombineTo(N, ExtLoad); CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad), ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } // aext(setcc x,y,cc) -> select_cc x, y, 1, 0, cc if (N0.getOpcode() == ISD::SETCC) { - SDOperand SCC = + SDValue SCC = SimplifySelectCC(N0.getOperand(0), N0.getOperand(1), DAG.getConstant(1, VT), DAG.getConstant(0, VT), cast<CondCodeSDNode>(N0.getOperand(2))->get(), true); @@ -3095,13 +3095,13 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) { return SCC; } - return SDOperand(); + return SDValue(); } /// GetDemandedBits - See if the specified operand can be simplified with the /// knowledge that only the bits specified by Mask are used. If so, return the -/// simpler operand, otherwise return a null SDOperand. -SDOperand DAGCombiner::GetDemandedBits(SDOperand V, const APInt &Mask) { +/// simpler operand, otherwise return a null SDValue. +SDValue DAGCombiner::GetDemandedBits(SDValue V, const APInt &Mask) { switch (V.getOpcode()) { default: break; case ISD::OR: @@ -3120,14 +3120,14 @@ SDOperand DAGCombiner::GetDemandedBits(SDOperand V, const APInt &Mask) { // See if we can recursively simplify the LHS. unsigned Amt = RHSC->getValue(); APInt NewMask = Mask << Amt; - SDOperand SimplifyLHS = GetDemandedBits(V.getOperand(0), NewMask); + SDValue SimplifyLHS = GetDemandedBits(V.getOperand(0), NewMask); if (SimplifyLHS.Val) { return DAG.getNode(ISD::SRL, V.getValueType(), SimplifyLHS, V.getOperand(1)); } } } - return SDOperand(); + return SDValue(); } /// ReduceLoadWidth - If the result of a wider load is shifted to right of N @@ -3135,10 +3135,10 @@ SDOperand DAGCombiner::GetDemandedBits(SDOperand V, const APInt &Mask) { /// of number of bits of the narrower type, transform it to a narrower load /// from address + N / num of bits of new type. If the result is to be /// extended, also fold the extension to form a extending load. -SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) { +SDValue DAGCombiner::ReduceLoadWidth(SDNode *N) { unsigned Opc = N->getOpcode(); ISD::LoadExtType ExtType = ISD::NON_EXTLOAD; - SDOperand N0 = N->getOperand(0); + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); MVT EVT = N->getValueType(0); @@ -3148,7 +3148,7 @@ SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) { ExtType = ISD::SEXTLOAD; EVT = cast<VTSDNode>(N->getOperand(1))->getVT(); if (AfterLegalize && !TLI.isLoadXLegal(ISD::SEXTLOAD, EVT)) - return SDOperand(); + return SDValue(); } unsigned EVTBits = EVT.getSizeInBits(); @@ -3161,7 +3161,7 @@ SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) { if ((ShAmt & (EVTBits-1)) == 0) { N0 = N0.getOperand(0); if (N0.getValueType().getSizeInBits() <= EVTBits) - return SDOperand(); + return SDValue(); CombineSRL = true; } } @@ -3185,10 +3185,10 @@ SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) { } uint64_t PtrOff = ShAmt / 8; unsigned NewAlign = MinAlign(LN0->getAlignment(), PtrOff); - SDOperand NewPtr = DAG.getNode(ISD::ADD, PtrType, LN0->getBasePtr(), + SDValue NewPtr = DAG.getNode(ISD::ADD, PtrType, LN0->getBasePtr(), DAG.getConstant(PtrOff, PtrType)); AddToWorkList(NewPtr.Val); - SDOperand Load = (ExtType == ISD::NON_EXTLOAD) + SDValue Load = (ExtType == ISD::NON_EXTLOAD) ? DAG.getLoad(VT, LN0->getChain(), NewPtr, LN0->getSrcValue(), LN0->getSrcValueOffset(), LN0->isVolatile(), NewAlign) @@ -3209,16 +3209,16 @@ SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) { else return DAG.getNode(Opc, VT, Load); } - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); MVT VT = N->getValueType(0); MVT EVT = cast<VTSDNode>(N1)->getVT(); unsigned VTBits = VT.getSizeInBits(); @@ -3244,12 +3244,12 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { // fold operands of sext_in_reg based on knowledge that the top bits are not // demanded. - if (SimplifyDemandedBits(SDOperand(N, 0))) - return SDOperand(N, 0); + if (SimplifyDemandedBits(SDValue(N, 0))) + return SDValue(N, 0); // fold (sext_in_reg (load x)) -> (smaller sextload x) // fold (sext_in_reg (srl (load x), c)) -> (smaller sextload (x+c/evtbits)) - SDOperand NarrowLoad = ReduceLoadWidth(N); + SDValue NarrowLoad = ReduceLoadWidth(N); if (NarrowLoad.Val) return NarrowLoad; @@ -3274,14 +3274,14 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) || TLI.isLoadXLegal(ISD::SEXTLOAD, EVT))) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), LN0->getAlignment()); CombineTo(N, ExtLoad); CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } // fold (sext_inreg (zextload x)) -> (sextload x) iff load has one use if (ISD::isZEXTLoad(N0.Val) && ISD::isUNINDEXEDLoad(N0.Val) && @@ -3290,20 +3290,20 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) { ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) || TLI.isLoadXLegal(ISD::SEXTLOAD, EVT))) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT, LN0->isVolatile(), LN0->getAlignment()); CombineTo(N, ExtLoad); CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitTRUNCATE(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitTRUNCATE(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // noop truncate @@ -3333,7 +3333,7 @@ SDOperand DAGCombiner::visitTRUNCATE(SDNode *N) { // See if we can simplify the input to this truncate through knowledge that // only the low bits are being used. For example "trunc (or (shl x, 8), y)" // -> trunc y - SDOperand Shorter = + SDValue Shorter = GetDemandedBits(N0, APInt::getLowBitsSet(N0.getValueSizeInBits(), VT.getSizeInBits())); if (Shorter.Val) @@ -3345,7 +3345,7 @@ SDOperand DAGCombiner::visitTRUNCATE(SDNode *N) { } static SDNode *getBuildPairElt(SDNode *N, unsigned i) { - SDOperand Elt = N->getOperand(i); + SDValue Elt = N->getOperand(i); if (Elt.getOpcode() != ISD::MERGE_VALUES) return Elt.Val; return Elt.getOperand(Elt.ResNo).Val; @@ -3353,12 +3353,12 @@ static SDNode *getBuildPairElt(SDNode *N, unsigned i) { /// CombineConsecutiveLoads - build_pair (load, load) -> load /// if load locations are consecutive. -SDOperand DAGCombiner::CombineConsecutiveLoads(SDNode *N, MVT VT) { +SDValue DAGCombiner::CombineConsecutiveLoads(SDNode *N, MVT VT) { assert(N->getOpcode() == ISD::BUILD_PAIR); SDNode *LD1 = getBuildPairElt(N, 0); if (!ISD::isNON_EXTLoad(LD1) || !LD1->hasOneUse()) - return SDOperand(); + return SDValue(); MVT LD1VT = LD1->getValueType(0); SDNode *LD2 = getBuildPairElt(N, 1); const MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo(); @@ -3379,11 +3379,11 @@ SDOperand DAGCombiner::CombineConsecutiveLoads(SDNode *N, MVT VT) { LD->getSrcValue(), LD->getSrcValueOffset(), false, Align); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitBIT_CONVERT(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); // If the input is a BUILD_VECTOR with all constant elements, fold this now. @@ -3412,7 +3412,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { // If the input is a constant, let getNode() fold it. if (isa<ConstantSDNode>(N0) || isa<ConstantFPSDNode>(N0)) { - SDOperand Res = DAG.getNode(ISD::BIT_CONVERT, VT, N0); + SDValue Res = DAG.getNode(ISD::BIT_CONVERT, VT, N0); if (Res.Val != N) return Res; } @@ -3430,7 +3430,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { getABITypeAlignment(VT.getTypeForMVT()); unsigned OrigAlign = LN0->getAlignment(); if (Align <= OrigAlign) { - SDOperand Load = DAG.getLoad(VT, LN0->getChain(), LN0->getBasePtr(), + SDValue Load = DAG.getLoad(VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), LN0->isVolatile(), OrigAlign); AddToWorkList(N); @@ -3445,7 +3445,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { // This often reduces constant pool loads. if ((N0.getOpcode() == ISD::FNEG || N0.getOpcode() == ISD::FABS) && N0.Val->hasOneUse() && VT.isInteger() && !VT.isVector()) { - SDOperand NewConv = DAG.getNode(ISD::BIT_CONVERT, VT, N0.getOperand(0)); + SDValue NewConv = DAG.getNode(ISD::BIT_CONVERT, VT, N0.getOperand(0)); AddToWorkList(NewConv.Val); APInt SignBit = APInt::getSignBit(VT.getSizeInBits()); @@ -3462,7 +3462,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { isa<ConstantFPSDNode>(N0.getOperand(0)) && VT.isInteger() && !VT.isVector()) { unsigned OrigXWidth = N0.getOperand(1).getValueType().getSizeInBits(); - SDOperand X = DAG.getNode(ISD::BIT_CONVERT, + SDValue X = DAG.getNode(ISD::BIT_CONVERT, MVT::getIntegerVT(OrigXWidth), N0.getOperand(1)); AddToWorkList(X.Val); @@ -3486,7 +3486,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { X = DAG.getNode(ISD::AND, VT, X, DAG.getConstant(SignBit, VT)); AddToWorkList(X.Val); - SDOperand Cst = DAG.getNode(ISD::BIT_CONVERT, VT, N0.getOperand(0)); + SDValue Cst = DAG.getNode(ISD::BIT_CONVERT, VT, N0.getOperand(0)); Cst = DAG.getNode(ISD::AND, VT, Cst, DAG.getConstant(~SignBit, VT)); AddToWorkList(Cst.Val); @@ -3495,15 +3495,15 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) { // bitconvert(build_pair(ld, ld)) -> ld iff load locations are consecutive. if (N0.getOpcode() == ISD::BUILD_PAIR) { - SDOperand CombineLD = CombineConsecutiveLoads(N0.Val, VT); + SDValue CombineLD = CombineConsecutiveLoads(N0.Val, VT); if (CombineLD.Val) return CombineLD; } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitBUILD_PAIR(SDNode *N) { +SDValue DAGCombiner::visitBUILD_PAIR(SDNode *N) { MVT VT = N->getValueType(0); return CombineConsecutiveLoads(N, VT); } @@ -3511,12 +3511,12 @@ SDOperand DAGCombiner::visitBUILD_PAIR(SDNode *N) { /// ConstantFoldBIT_CONVERTofBUILD_VECTOR - We know that BV is a build_vector /// node with Constant, ConstantFP or Undef operands. DstEltVT indicates the /// destination element value type. -SDOperand DAGCombiner:: +SDValue DAGCombiner:: ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { MVT SrcEltVT = BV->getOperand(0).getValueType(); // If this is already the right type, we're done. - if (SrcEltVT == DstEltVT) return SDOperand(BV, 0); + if (SrcEltVT == DstEltVT) return SDValue(BV, 0); unsigned SrcBitSize = SrcEltVT.getSizeInBits(); unsigned DstBitSize = DstEltVT.getSizeInBits(); @@ -3524,7 +3524,7 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { // If this is a conversion of N elements of one type to N elements of another // type, convert each element. This handles FP<->INT cases. if (SrcBitSize == DstBitSize) { - SmallVector<SDOperand, 8> Ops; + SmallVector<SDValue, 8> Ops; for (unsigned i = 0, e = BV->getNumOperands(); i != e; ++i) { Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, DstEltVT, BV->getOperand(i))); AddToWorkList(Ops.back().Val); @@ -3563,7 +3563,7 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { if (SrcBitSize < DstBitSize) { unsigned NumInputsPerOutput = DstBitSize/SrcBitSize; - SmallVector<SDOperand, 8> Ops; + SmallVector<SDValue, 8> Ops; for (unsigned i = 0, e = BV->getNumOperands(); i != e; i += NumInputsPerOutput) { bool isLE = TLI.isLittleEndian(); @@ -3572,7 +3572,7 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { for (unsigned j = 0; j != NumInputsPerOutput; ++j) { // Shift the previously computed bits over. NewBits <<= SrcBitSize; - SDOperand Op = BV->getOperand(i+ (isLE ? (NumInputsPerOutput-j-1) : j)); + SDValue Op = BV->getOperand(i+ (isLE ? (NumInputsPerOutput-j-1) : j)); if (Op.getOpcode() == ISD::UNDEF) continue; EltIsUndef = false; @@ -3595,7 +3595,7 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { bool isS2V = ISD::isScalarToVector(BV); unsigned NumOutputsPerInput = SrcBitSize/DstBitSize; MVT VT = MVT::getVectorVT(DstEltVT, NumOutputsPerInput*BV->getNumOperands()); - SmallVector<SDOperand, 8> Ops; + SmallVector<SDValue, 8> Ops; for (unsigned i = 0, e = BV->getNumOperands(); i != e; ++i) { if (BV->getOperand(i).getOpcode() == ISD::UNDEF) { for (unsigned j = 0; j != NumOutputsPerInput; ++j) @@ -3621,16 +3621,16 @@ ConstantFoldBIT_CONVERTofBUILD_VECTOR(SDNode *BV, MVT DstEltVT) { -SDOperand DAGCombiner::visitFADD(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFADD(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -3655,19 +3655,19 @@ SDOperand DAGCombiner::visitFADD(SDNode *N) { return DAG.getNode(ISD::FADD, VT, N0.getOperand(0), DAG.getNode(ISD::FADD, VT, N0.getOperand(1), N1)); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFSUB(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFSUB(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -3685,19 +3685,19 @@ SDOperand DAGCombiner::visitFSUB(SDNode *N) { return DAG.getNode(ISD::FADD, VT, N0, GetNegatedExpression(N1, DAG, AfterLegalize)); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFMUL(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFMUL(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -3732,19 +3732,19 @@ SDOperand DAGCombiner::visitFMUL(SDNode *N) { return DAG.getNode(ISD::FMUL, VT, N0.getOperand(0), DAG.getNode(ISD::FMUL, VT, N0.getOperand(1), N1)); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFDIV(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFDIV(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); // fold vector ops if (VT.isVector()) { - SDOperand FoldedVOp = SimplifyVBinOp(N); + SDValue FoldedVOp = SimplifyVBinOp(N); if (FoldedVOp.Val) return FoldedVOp; } @@ -3765,12 +3765,12 @@ SDOperand DAGCombiner::visitFDIV(SDNode *N) { } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFREM(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFREM(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); @@ -3779,12 +3779,12 @@ SDOperand DAGCombiner::visitFREM(SDNode *N) { if (N0CFP && N1CFP && VT != MVT::ppcf128) return DAG.getNode(ISD::FREM, VT, N0, N1); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFCOPYSIGN(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFCOPYSIGN(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); MVT VT = N->getValueType(0); @@ -3822,13 +3822,13 @@ SDOperand DAGCombiner::visitFCOPYSIGN(SDNode *N) { if (N1.getOpcode() == ISD::FP_EXTEND || N1.getOpcode() == ISD::FP_ROUND) return DAG.getNode(ISD::FCOPYSIGN, VT, N0, N1.getOperand(0)); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSINT_TO_FP(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitSINT_TO_FP(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); MVT VT = N->getValueType(0); MVT OpVT = N0.getValueType(); @@ -3847,11 +3847,11 @@ SDOperand DAGCombiner::visitSINT_TO_FP(SDNode *N) { } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitUINT_TO_FP(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitUINT_TO_FP(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantSDNode *N0C = dyn_cast<ConstantSDNode>(N0); MVT VT = N->getValueType(0); MVT OpVT = N0.getValueType(); @@ -3869,34 +3869,34 @@ SDOperand DAGCombiner::visitUINT_TO_FP(SDNode *N) { return DAG.getNode(ISD::SINT_TO_FP, VT, N0); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFP_TO_SINT(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFP_TO_SINT(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); MVT VT = N->getValueType(0); // fold (fp_to_sint c1fp) -> c1 if (N0CFP) return DAG.getNode(ISD::FP_TO_SINT, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFP_TO_UINT(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFP_TO_UINT(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); MVT VT = N->getValueType(0); // fold (fp_to_uint c1fp) -> c1 if (N0CFP && VT != MVT::ppcf128) return DAG.getNode(ISD::FP_TO_UINT, VT, N0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFP_ROUND(SDNode *N) { - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); +SDValue DAGCombiner::visitFP_ROUND(SDNode *N) { + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); MVT VT = N->getValueType(0); @@ -3919,37 +3919,37 @@ SDOperand DAGCombiner::visitFP_ROUND(SDNode *N) { // fold (fp_round (copysign X, Y)) -> (copysign (fp_round X), Y) if (N0.getOpcode() == ISD::FCOPYSIGN && N0.Val->hasOneUse()) { - SDOperand Tmp = DAG.getNode(ISD::FP_ROUND, VT, N0.getOperand(0), N1); + SDValue Tmp = DAG.getNode(ISD::FP_ROUND, VT, N0.getOperand(0), N1); AddToWorkList(Tmp.Val); return DAG.getNode(ISD::FCOPYSIGN, VT, Tmp, N0.getOperand(1)); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFP_ROUND_INREG(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFP_ROUND_INREG(SDNode *N) { + SDValue N0 = N->getOperand(0); MVT VT = N->getValueType(0); MVT EVT = cast<VTSDNode>(N->getOperand(1))->getVT(); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); // fold (fp_round_inreg c1fp) -> c1fp if (N0CFP) { - SDOperand Round = DAG.getConstantFP(N0CFP->getValueAPF(), EVT); + SDValue Round = DAG.getConstantFP(N0CFP->getValueAPF(), EVT); return DAG.getNode(ISD::FP_EXTEND, VT, Round); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFP_EXTEND(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); MVT VT = N->getValueType(0); // If this is fp_round(fpextend), don't fold it, allow ourselves to be folded. if (N->hasOneUse() && - N->use_begin().getUse().getSDOperand().getOpcode() == ISD::FP_ROUND) - return SDOperand(); + N->use_begin().getUse().getSDValue().getOpcode() == ISD::FP_ROUND) + return SDValue(); // fold (fp_extend c1fp) -> c1fp if (N0CFP && VT != MVT::ppcf128) @@ -3958,7 +3958,7 @@ SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) { // Turn fp_extend(fp_round(X, 1)) -> x since the fp_round doesn't affect the // value of X. if (N0.getOpcode() == ISD::FP_ROUND && N0.Val->getConstantOperandVal(1) == 1){ - SDOperand In = N0.getOperand(0); + SDValue In = N0.getOperand(0); if (In.getValueType() == VT) return In; if (VT.bitsLT(In.getValueType())) return DAG.getNode(ISD::FP_ROUND, VT, In, N0.getOperand(1)); @@ -3970,7 +3970,7 @@ SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) { ((!AfterLegalize && !cast<LoadSDNode>(N0)->isVolatile()) || TLI.isLoadXLegal(ISD::EXTLOAD, N0.getValueType()))) { LoadSDNode *LN0 = cast<LoadSDNode>(N0); - SDOperand ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(), + SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(), LN0->getBasePtr(), LN0->getSrcValue(), LN0->getSrcValueOffset(), N0.getValueType(), @@ -3980,14 +3980,14 @@ SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) { CombineTo(N0.Val, DAG.getNode(ISD::FP_ROUND, N0.getValueType(), ExtLoad, DAG.getIntPtrConstant(1)), ExtLoad.getValue(1)); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFNEG(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFNEG(SDNode *N) { + SDValue N0 = N->getOperand(0); if (isNegatibleForFree(N0, AfterLegalize)) return GetNegatedExpression(N0, DAG, AfterLegalize); @@ -3997,7 +3997,7 @@ SDOperand DAGCombiner::visitFNEG(SDNode *N) { if (N0.getOpcode() == ISD::BIT_CONVERT && N0.Val->hasOneUse() && N0.getOperand(0).getValueType().isInteger() && !N0.getOperand(0).getValueType().isVector()) { - SDOperand Int = N0.getOperand(0); + SDValue Int = N0.getOperand(0); MVT IntVT = Int.getValueType(); if (IntVT.isInteger() && !IntVT.isVector()) { Int = DAG.getNode(ISD::XOR, IntVT, Int, @@ -4007,11 +4007,11 @@ SDOperand DAGCombiner::visitFNEG(SDNode *N) { } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitFABS(SDNode *N) { - SDOperand N0 = N->getOperand(0); +SDValue DAGCombiner::visitFABS(SDNode *N) { + SDValue N0 = N->getOperand(0); ConstantFPSDNode *N0CFP = dyn_cast<ConstantFPSDNode>(N0); MVT VT = N->getValueType(0); @@ -4031,7 +4031,7 @@ SDOperand DAGCombiner::visitFABS(SDNode *N) { if (N0.getOpcode() == ISD::BIT_CONVERT && N0.Val->hasOneUse() && N0.getOperand(0).getValueType().isInteger() && !N0.getOperand(0).getValueType().isVector()) { - SDOperand Int = N0.getOperand(0); + SDValue Int = N0.getOperand(0); MVT IntVT = Int.getValueType(); if (IntVT.isInteger() && !IntVT.isVector()) { Int = DAG.getNode(ISD::AND, IntVT, Int, @@ -4041,13 +4041,13 @@ SDOperand DAGCombiner::visitFABS(SDNode *N) { } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitBRCOND(SDNode *N) { - SDOperand Chain = N->getOperand(0); - SDOperand N1 = N->getOperand(1); - SDOperand N2 = N->getOperand(2); +SDValue DAGCombiner::visitBRCOND(SDNode *N) { + SDValue Chain = N->getOperand(0); + SDValue N1 = N->getOperand(1); + SDValue N2 = N->getOperand(2); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); // never taken branch, fold to chain @@ -4063,17 +4063,17 @@ SDOperand DAGCombiner::visitBRCOND(SDNode *N) { return DAG.getNode(ISD::BR_CC, MVT::Other, Chain, N1.getOperand(2), N1.getOperand(0), N1.getOperand(1), N2); } - return SDOperand(); + return SDValue(); } // Operand List for BR_CC: Chain, CondCC, CondLHS, CondRHS, DestBB. // -SDOperand DAGCombiner::visitBR_CC(SDNode *N) { +SDValue DAGCombiner::visitBR_CC(SDNode *N) { CondCodeSDNode *CC = cast<CondCodeSDNode>(N->getOperand(1)); - SDOperand CondLHS = N->getOperand(2), CondRHS = N->getOperand(3); + SDValue CondLHS = N->getOperand(2), CondRHS = N->getOperand(3); // Use SimplifySetCC to simplify SETCC's. - SDOperand Simp = SimplifySetCC(MVT::i1, CondLHS, CondRHS, CC->get(), false); + SDValue Simp = SimplifySetCC(MVT::i1, CondLHS, CondRHS, CC->get(), false); if (Simp.Val) AddToWorkList(Simp.Val); ConstantSDNode *SCCC = dyn_cast_or_null<ConstantSDNode>(Simp.Val); @@ -4091,7 +4091,7 @@ SDOperand DAGCombiner::visitBR_CC(SDNode *N) { return DAG.getNode(ISD::BR_CC, MVT::Other, N->getOperand(0), Simp.getOperand(2), Simp.getOperand(0), Simp.getOperand(1), N->getOperand(4)); - return SDOperand(); + return SDValue(); } @@ -4106,7 +4106,7 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { return false; bool isLoad = true; - SDOperand Ptr; + SDValue Ptr; MVT VT; if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) { if (LD->isIndexed()) @@ -4135,8 +4135,8 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { return false; // Ask the target to do addressing mode selection. - SDOperand BasePtr; - SDOperand Offset; + SDValue BasePtr; + SDValue Offset; ISD::MemIndexedMode AM = ISD::UNINDEXED; if (!TLI.getPreIndexedAddressParts(N, BasePtr, Offset, AM, DAG)) return false; @@ -4160,7 +4160,7 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { // Check #2. if (!isLoad) { - SDOperand Val = cast<StoreSDNode>(N)->getValue(); + SDValue Val = cast<StoreSDNode>(N)->getValue(); if (Val == BasePtr || BasePtr.Val->isPredecessorOf(Val.Val)) return false; } @@ -4184,11 +4184,11 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { if (!RealUse) return false; - SDOperand Result; + SDValue Result; if (isLoad) - Result = DAG.getIndexedLoad(SDOperand(N,0), BasePtr, Offset, AM); + Result = DAG.getIndexedLoad(SDValue(N,0), BasePtr, Offset, AM); else - Result = DAG.getIndexedStore(SDOperand(N,0), BasePtr, Offset, AM); + Result = DAG.getIndexedStore(SDValue(N,0), BasePtr, Offset, AM); ++PreIndexedNodes; ++NodesCombined; DOUT << "\nReplacing.4 "; DEBUG(N->dump(&DAG)); @@ -4196,12 +4196,12 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) { DOUT << '\n'; WorkListRemover DeadNodes(*this); if (isLoad) { - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), Result.getValue(0), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Result.getValue(0), &DeadNodes); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 1), Result.getValue(2), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), Result.getValue(2), &DeadNodes); } else { - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), Result.getValue(1), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Result.getValue(1), &DeadNodes); } @@ -4227,7 +4227,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { return false; bool isLoad = true; - SDOperand Ptr; + SDValue Ptr; MVT VT; if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) { if (LD->isIndexed()) @@ -4259,8 +4259,8 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { (Op->getOpcode() != ISD::ADD && Op->getOpcode() != ISD::SUB)) continue; - SDOperand BasePtr; - SDOperand Offset; + SDValue BasePtr; + SDValue Offset; ISD::MemIndexedMode AM = ISD::UNINDEXED; if (TLI.getPostIndexedAddressParts(N, Op, BasePtr, Offset, AM, DAG)) { if (Ptr == Offset) @@ -4311,9 +4311,9 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { // Check for #2 if (!Op->isPredecessorOf(N) && !N->isPredecessorOf(Op)) { - SDOperand Result = isLoad - ? DAG.getIndexedLoad(SDOperand(N,0), BasePtr, Offset, AM) - : DAG.getIndexedStore(SDOperand(N,0), BasePtr, Offset, AM); + SDValue Result = isLoad + ? DAG.getIndexedLoad(SDValue(N,0), BasePtr, Offset, AM) + : DAG.getIndexedStore(SDValue(N,0), BasePtr, Offset, AM); ++PostIndexedNodes; ++NodesCombined; DOUT << "\nReplacing.5 "; DEBUG(N->dump(&DAG)); @@ -4321,12 +4321,12 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { DOUT << '\n'; WorkListRemover DeadNodes(*this); if (isLoad) { - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), Result.getValue(0), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Result.getValue(0), &DeadNodes); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 1), Result.getValue(2), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), Result.getValue(2), &DeadNodes); } else { - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), Result.getValue(1), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Result.getValue(1), &DeadNodes); } @@ -4334,7 +4334,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { DAG.DeleteNode(N); // Replace the uses of Use with uses of the updated base value. - DAG.ReplaceAllUsesOfValueWith(SDOperand(Op, 0), + DAG.ReplaceAllUsesOfValueWith(SDValue(Op, 0), Result.getValue(isLoad ? 1 : 0), &DeadNodes); removeFromWorkList(Op); @@ -4348,7 +4348,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) { /// InferAlignment - If we can infer some alignment information from this /// pointer, return it. -static unsigned InferAlignment(SDOperand Ptr, SelectionDAG &DAG) { +static unsigned InferAlignment(SDValue Ptr, SelectionDAG &DAG) { // If this is a direct reference to a stack slot, use information about the // stack slot's alignment. int FrameIdx = 1 << 31; @@ -4389,10 +4389,10 @@ static unsigned InferAlignment(SDOperand Ptr, SelectionDAG &DAG) { return 0; } -SDOperand DAGCombiner::visitLOAD(SDNode *N) { +SDValue DAGCombiner::visitLOAD(SDNode *N) { LoadSDNode *LD = cast<LoadSDNode>(N); - SDOperand Chain = LD->getChain(); - SDOperand Ptr = LD->getBasePtr(); + SDValue Chain = LD->getChain(); + SDValue Ptr = LD->getBasePtr(); // Try to infer better alignment information than the load already has. if (LD->isUnindexed()) { @@ -4423,30 +4423,30 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) { DOUT << "\nWith chain: "; DEBUG(Chain.Val->dump(&DAG)); DOUT << "\n"; WorkListRemover DeadNodes(*this); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 1), Chain, &DeadNodes); + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), Chain, &DeadNodes); if (N->use_empty()) { removeFromWorkList(N); DAG.DeleteNode(N); } - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } else { // Indexed loads. assert(N->getValueType(2) == MVT::Other && "Malformed indexed loads?"); if (N->hasNUsesOfValue(0, 0) && N->hasNUsesOfValue(0, 1)) { - SDOperand Undef = DAG.getNode(ISD::UNDEF, N->getValueType(0)); + SDValue Undef = DAG.getNode(ISD::UNDEF, N->getValueType(0)); DOUT << "\nReplacing.6 "; DEBUG(N->dump(&DAG)); DOUT << "\nWith: "; DEBUG(Undef.Val->dump(&DAG)); DOUT << " and 2 other values\n"; WorkListRemover DeadNodes(*this); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 0), Undef, &DeadNodes); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 1), + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 0), Undef, &DeadNodes); + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 1), DAG.getNode(ISD::UNDEF, N->getValueType(1)), &DeadNodes); - DAG.ReplaceAllUsesOfValueWith(SDOperand(N, 2), Chain, &DeadNodes); + DAG.ReplaceAllUsesOfValueWith(SDValue(N, 2), Chain, &DeadNodes); removeFromWorkList(N); DAG.DeleteNode(N); - return SDOperand(N, 0); // Return N so it doesn't get rechecked! + return SDValue(N, 0); // Return N so it doesn't get rechecked! } } } @@ -4467,11 +4467,11 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) { if (CombinerAA) { // Walk up chain skipping non-aliasing memory nodes. - SDOperand BetterChain = FindBetterChain(N, Chain); + SDValue BetterChain = FindBetterChain(N, Chain); // If there is a better chain. if (Chain != BetterChain) { - SDOperand ReplLoad; + SDValue ReplLoad; // Replace the chain to void dependency. if (LD->getExtensionType() == ISD::NON_EXTLOAD) { @@ -4489,7 +4489,7 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) { } // Create token factor to keep old chain connected. - SDOperand Token = DAG.getNode(ISD::TokenFactor, MVT::Other, + SDValue Token = DAG.getNode(ISD::TokenFactor, MVT::Other, Chain, ReplLoad.getValue(1)); // Replace uses with load result and token factor. Don't add users @@ -4500,17 +4500,17 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) { // Try transforming N to an indexed load. if (CombineToPreIndexedLoadStore(N) || CombineToPostIndexedLoadStore(N)) - return SDOperand(N, 0); + return SDValue(N, 0); - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitSTORE(SDNode *N) { +SDValue DAGCombiner::visitSTORE(SDNode *N) { StoreSDNode *ST = cast<StoreSDNode>(N); - SDOperand Chain = ST->getChain(); - SDOperand Value = ST->getValue(); - SDOperand Ptr = ST->getBasePtr(); + SDValue Chain = ST->getChain(); + SDValue Value = ST->getValue(); + SDValue Ptr = ST->getBasePtr(); // Try to infer better alignment information than the store already has. if (ST->isUnindexed()) { @@ -4544,7 +4544,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { // processor operation but an i64 (which is not legal) requires two. So the // transform should not be done in this case. if (Value.getOpcode() != ISD::TargetConstantFP) { - SDOperand Tmp; + SDValue Tmp; switch (CFP->getValueType(0).getSimpleVT()) { default: assert(0 && "Unknown FP type"); case MVT::f80: // We don't do this for these yet. @@ -4575,22 +4575,22 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { // argument passing. Since this is so common, custom legalize the // 64-bit integer store into two 32-bit stores. uint64_t Val = CFP->getValueAPF().convertToAPInt().getZExtValue(); - SDOperand Lo = DAG.getConstant(Val & 0xFFFFFFFF, MVT::i32); - SDOperand Hi = DAG.getConstant(Val >> 32, MVT::i32); + SDValue Lo = DAG.getConstant(Val & 0xFFFFFFFF, MVT::i32); + SDValue Hi = DAG.getConstant(Val >> 32, MVT::i32); if (TLI.isBigEndian()) std::swap(Lo, Hi); int SVOffset = ST->getSrcValueOffset(); unsigned Alignment = ST->getAlignment(); bool isVolatile = ST->isVolatile(); - SDOperand St0 = DAG.getStore(Chain, Lo, Ptr, ST->getSrcValue(), + SDValue St0 = DAG.getStore(Chain, Lo, Ptr, ST->getSrcValue(), ST->getSrcValueOffset(), isVolatile, ST->getAlignment()); Ptr = DAG.getNode(ISD::ADD, Ptr.getValueType(), Ptr, DAG.getConstant(4, Ptr.getValueType())); SVOffset += 4; Alignment = MinAlign(Alignment, 4U); - SDOperand St1 = DAG.getStore(Chain, Hi, Ptr, ST->getSrcValue(), + SDValue St1 = DAG.getStore(Chain, Hi, Ptr, ST->getSrcValue(), SVOffset, isVolatile, Alignment); return DAG.getNode(ISD::TokenFactor, MVT::Other, St0, St1); } @@ -4601,12 +4601,12 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { if (CombinerAA) { // Walk up chain skipping non-aliasing memory nodes. - SDOperand BetterChain = FindBetterChain(N, Chain); + SDValue BetterChain = FindBetterChain(N, Chain); // If there is a better chain. if (Chain != BetterChain) { // Replace the chain to avoid dependency. - SDOperand ReplStore; + SDValue ReplStore; if (ST->isTruncatingStore()) { ReplStore = DAG.getTruncStore(BetterChain, Value, Ptr, ST->getSrcValue(),ST->getSrcValueOffset(), @@ -4619,7 +4619,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { } // Create token to keep both nodes around. - SDOperand Token = + SDValue Token = DAG.getNode(ISD::TokenFactor, MVT::Other, Chain, ReplStore); // Don't add users to work list. @@ -4629,7 +4629,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { // Try transforming N to an indexed store. if (CombineToPreIndexedLoadStore(N) || CombineToPostIndexedLoadStore(N)) - return SDOperand(N, 0); + return SDValue(N, 0); // FIXME: is there such a thing as a truncating indexed store? if (ST->isTruncatingStore() && ST->isUnindexed() && @@ -4637,7 +4637,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { // See if we can simplify the input to this truncstore with knowledge that // only the low bits are being used. For example: // "truncstore (or (shl x, 8), y), i8" -> "truncstore y, i8" - SDOperand Shorter = + SDValue Shorter = GetDemandedBits(Value, APInt::getLowBitsSet(Value.getValueSizeInBits(), ST->getMemoryVT().getSizeInBits())); @@ -4653,7 +4653,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { APInt::getLowBitsSet( Value.getValueSizeInBits(), ST->getMemoryVT().getSizeInBits()))) - return SDOperand(N, 0); + return SDValue(N, 0); } // If this is a load followed by a store to the same location, then the store @@ -4663,7 +4663,7 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { ST->isUnindexed() && !ST->isVolatile() && // There can't be any side effects between the load and store, such as // a call or store. - Chain.reachesChainWithoutSideEffects(SDOperand(Ld, 1))) { + Chain.reachesChainWithoutSideEffects(SDValue(Ld, 1))) { // The store is dead, remove it. return Chain; } @@ -4680,39 +4680,39 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { ST->isVolatile(), ST->getAlignment()); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitINSERT_VECTOR_ELT(SDNode *N) { - SDOperand InVec = N->getOperand(0); - SDOperand InVal = N->getOperand(1); - SDOperand EltNo = N->getOperand(2); +SDValue DAGCombiner::visitINSERT_VECTOR_ELT(SDNode *N) { + SDValue InVec = N->getOperand(0); + SDValue InVal = N->getOperand(1); + SDValue EltNo = N->getOperand(2); // If the invec is a BUILD_VECTOR and if EltNo is a constant, build a new // vector with the inserted element. if (InVec.getOpcode() == ISD::BUILD_VECTOR && isa<ConstantSDNode>(EltNo)) { unsigned Elt = cast<ConstantSDNode>(EltNo)->getValue(); - SmallVector<SDOperand, 8> Ops(InVec.Val->op_begin(), InVec.Val->op_end()); + SmallVector<SDValue, 8> Ops(InVec.Val->op_begin(), InVec.Val->op_end()); if (Elt < Ops.size()) Ops[Elt] = InVal; return DAG.getNode(ISD::BUILD_VECTOR, InVec.getValueType(), &Ops[0], Ops.size()); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { +SDValue DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { // (vextract (v4f32 load $addr), c) -> (f32 load $addr+c*size) // (vextract (v4f32 s2v (f32 load $addr)), c) -> (f32 load $addr+c*size) // (vextract (v4f32 shuffle (load $addr), <1,u,u,u>), 0) -> (f32 load $addr) // Perform only after legalization to ensure build_vector / vector_shuffle // optimizations have already been done. - if (!AfterLegalize) return SDOperand(); + if (!AfterLegalize) return SDValue(); - SDOperand InVec = N->getOperand(0); - SDOperand EltNo = N->getOperand(1); + SDValue InVec = N->getOperand(0); + SDValue EltNo = N->getOperand(1); if (isa<ConstantSDNode>(EltNo)) { unsigned Elt = cast<ConstantSDNode>(EltNo)->getValue(); @@ -4723,7 +4723,7 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { if (InVec.getOpcode() == ISD::BIT_CONVERT) { MVT BCVT = InVec.getOperand(0).getValueType(); if (!BCVT.isVector() || EVT.bitsGT(BCVT.getVectorElementType())) - return SDOperand(); + return SDValue(); InVec = InVec.getOperand(0); EVT = BCVT.getVectorElementType(); NewLoad = true; @@ -4752,7 +4752,7 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { } } if (!LN0 || !LN0->hasOneUse() || LN0->isVolatile()) - return SDOperand(); + return SDValue(); unsigned Align = LN0->getAlignment(); if (NewLoad) { @@ -4761,11 +4761,11 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { unsigned NewAlign = TLI.getTargetMachine().getTargetData()-> getABITypeAlignment(LVT.getTypeForMVT()); if (NewAlign > Align || !TLI.isOperationLegal(ISD::LOAD, LVT)) - return SDOperand(); + return SDValue(); Align = NewAlign; } - SDOperand NewPtr = LN0->getBasePtr(); + SDValue NewPtr = LN0->getBasePtr(); if (Elt) { unsigned PtrOff = LVT.getSizeInBits() * Elt / 8; MVT PtrType = NewPtr.getValueType(); @@ -4778,11 +4778,11 @@ SDOperand DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) { LN0->getSrcValue(), LN0->getSrcValueOffset(), LN0->isVolatile(), Align); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { +SDValue DAGCombiner::visitBUILD_VECTOR(SDNode *N) { unsigned NumInScalars = N->getNumOperands(); MVT VT = N->getValueType(0); unsigned NumElts = VT.getVectorNumElements(); @@ -4791,7 +4791,7 @@ SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { // Check to see if this is a BUILD_VECTOR of a bunch of EXTRACT_VECTOR_ELT // operations. If so, and if the EXTRACT_VECTOR_ELT vector inputs come from // at most two distinct vectors, turn this into a shuffle node. - SDOperand VecIn1, VecIn2; + SDValue VecIn1, VecIn2; for (unsigned i = 0; i != NumInScalars; ++i) { // Ignore undef inputs. if (N->getOperand(i).getOpcode() == ISD::UNDEF) continue; @@ -4800,15 +4800,15 @@ SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { // constant index, bail out. if (N->getOperand(i).getOpcode() != ISD::EXTRACT_VECTOR_ELT || !isa<ConstantSDNode>(N->getOperand(i).getOperand(1))) { - VecIn1 = VecIn2 = SDOperand(0, 0); + VecIn1 = VecIn2 = SDValue(0, 0); break; } // If the input vector type disagrees with the result of the build_vector, // we can't make a shuffle. - SDOperand ExtractedFromVec = N->getOperand(i).getOperand(0); + SDValue ExtractedFromVec = N->getOperand(i).getOperand(0); if (ExtractedFromVec.getValueType() != VT) { - VecIn1 = VecIn2 = SDOperand(0, 0); + VecIn1 = VecIn2 = SDValue(0, 0); break; } @@ -4822,21 +4822,21 @@ SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { VecIn2 = ExtractedFromVec; } else { // Too many inputs. - VecIn1 = VecIn2 = SDOperand(0, 0); + VecIn1 = VecIn2 = SDValue(0, 0); break; } } // If everything is good, we can make a shuffle operation. if (VecIn1.Val) { - SmallVector<SDOperand, 8> BuildVecIndices; + SmallVector<SDValue, 8> BuildVecIndices; for (unsigned i = 0; i != NumInScalars; ++i) { if (N->getOperand(i).getOpcode() == ISD::UNDEF) { BuildVecIndices.push_back(DAG.getNode(ISD::UNDEF, TLI.getPointerTy())); continue; } - SDOperand Extract = N->getOperand(i); + SDValue Extract = N->getOperand(i); // If extracting from the first vector, just use the index directly. if (Extract.getOperand(0) == VecIn1) { @@ -4853,13 +4853,13 @@ SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { MVT BuildVecVT = MVT::getVectorVT(TLI.getPointerTy(), NumElts); // Return the new VECTOR_SHUFFLE node. - SDOperand Ops[5]; + SDValue Ops[5]; Ops[0] = VecIn1; if (VecIn2.Val) { Ops[1] = VecIn2; } else { // Use an undef build_vector as input for the second operand. - std::vector<SDOperand> UnOps(NumInScalars, + std::vector<SDValue> UnOps(NumInScalars, DAG.getNode(ISD::UNDEF, EltType)); Ops[1] = DAG.getNode(ISD::BUILD_VECTOR, VT, @@ -4871,10 +4871,10 @@ SDOperand DAGCombiner::visitBUILD_VECTOR(SDNode *N) { return DAG.getNode(ISD::VECTOR_SHUFFLE, VT, Ops, 3); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitCONCAT_VECTORS(SDNode *N) { +SDValue DAGCombiner::visitCONCAT_VECTORS(SDNode *N) { // TODO: Check to see if this is a CONCAT_VECTORS of a bunch of // EXTRACT_SUBVECTOR operations. If so, and if the EXTRACT_SUBVECTOR vector // inputs come from at most two distinct vectors, turn this into a shuffle @@ -4885,11 +4885,11 @@ SDOperand DAGCombiner::visitCONCAT_VECTORS(SDNode *N) { return N->getOperand(0); } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { - SDOperand ShufMask = N->getOperand(2); +SDValue DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { + SDValue ShufMask = N->getOperand(2); unsigned NumElts = ShufMask.getNumOperands(); // If the shuffle mask is an identity operation on the LHS, return the LHS. @@ -4937,8 +4937,8 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { } } - SDOperand N0 = N->getOperand(0); - SDOperand N1 = N->getOperand(1); + SDValue N0 = N->getOperand(0); + SDValue N1 = N->getOperand(1); // Normalize unary shuffle so the RHS is undef. if (isUnary && VecNum == 1) std::swap(N0, N1); @@ -4952,7 +4952,7 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { // not the number of vector elements, look through it. Be careful not to // look though conversions that change things like v4f32 to v2f64. if (V->getOpcode() == ISD::BIT_CONVERT) { - SDOperand ConvInput = V->getOperand(0); + SDValue ConvInput = V->getOperand(0); if (ConvInput.getValueType().isVector() && ConvInput.getValueType().getVectorNumElements() == NumElts) V = ConvInput.Val; @@ -4961,7 +4961,7 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { if (V->getOpcode() == ISD::BUILD_VECTOR) { unsigned NumElems = V->getNumOperands(); if (NumElems > BaseIdx) { - SDOperand Base; + SDValue Base; bool AllSame = true; for (unsigned i = 0; i != NumElems; ++i) { if (V->getOperand(i).getOpcode() != ISD::UNDEF) { @@ -4990,7 +4990,7 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { if (isUnary || N0 == N1) { // Check the SHUFFLE mask, mapping any inputs from the 2nd operand into the // first operand. - SmallVector<SDOperand, 8> MappedOps; + SmallVector<SDValue, 8> MappedOps; for (unsigned i = 0; i != NumElts; ++i) { if (ShufMask.getOperand(i).getOpcode() == ISD::UNDEF || cast<ConstantSDNode>(ShufMask.getOperand(i))->getValue() < NumElts) { @@ -5011,85 +5011,85 @@ SDOperand DAGCombiner::visitVECTOR_SHUFFLE(SDNode *N) { ShufMask); } - return SDOperand(); + return SDValue(); } /// XformToShuffleWithZero - Returns a vector_shuffle if it able to transform /// an AND to a vector_shuffle with the destination vector and a zero vector. /// e.g. AND V, <0xffffffff, 0, 0xffffffff, 0>. ==> /// vector_shuffle V, Zero, <0, 4, 2, 4> -SDOperand DAGCombiner::XformToShuffleWithZero(SDNode *N) { - SDOperand LHS = N->getOperand(0); - SDOperand RHS = N->getOperand(1); +SDValue DAGCombiner::XformToShuffleWithZero(SDNode *N) { + SDValue LHS = N->getOperand(0); + SDValue RHS = N->getOperand(1); if (N->getOpcode() == ISD::AND) { if (RHS.getOpcode() == ISD::BIT_CONVERT) RHS = RHS.getOperand(0); if (RHS.getOpcode() == ISD::BUILD_VECTOR) { - std::vector<SDOperand> IdxOps; + std::vector<SDValue> IdxOps; unsigned NumOps = RHS.getNumOperands(); unsigned NumElts = NumOps; MVT EVT = RHS.getValueType().getVectorElementType(); for (unsigned i = 0; i != NumElts; ++i) { - SDOperand Elt = RHS.getOperand(i); + SDValue Elt = RHS.getOperand(i); if (!isa<ConstantSDNode>(Elt)) - return SDOperand(); + return SDValue(); else if (cast<ConstantSDNode>(Elt)->isAllOnesValue()) IdxOps.push_back(DAG.getConstant(i, EVT)); else if (cast<ConstantSDNode>(Elt)->isNullValue()) IdxOps.push_back(DAG.getConstant(NumElts, EVT)); else - return SDOperand(); + return SDValue(); } // Let's see if the target supports this vector_shuffle. if (!TLI.isVectorClearMaskLegal(IdxOps, EVT, DAG)) - return SDOperand(); + return SDValue(); // Return the new VECTOR_SHUFFLE node. MVT VT = MVT::getVectorVT(EVT, NumElts); - std::vector<SDOperand> Ops; + std::vector<SDValue> Ops; LHS = DAG.getNode(ISD::BIT_CONVERT, VT, LHS); Ops.push_back(LHS); AddToWorkList(LHS.Val); - std::vector<SDOperand> ZeroOps(NumElts, DAG.getConstant(0, EVT)); + std::vector<SDValue> ZeroOps(NumElts, DAG.getConstant(0, EVT)); Ops.push_back(DAG.getNode(ISD::BUILD_VECTOR, VT, &ZeroOps[0], ZeroOps.size())); Ops.push_back(DAG.getNode(ISD::BUILD_VECTOR, VT, &IdxOps[0], IdxOps.size())); - SDOperand Result = DAG.getNode(ISD::VECTOR_SHUFFLE, VT, + SDValue Result = DAG.getNode(ISD::VECTOR_SHUFFLE, VT, &Ops[0], Ops.size()); if (VT != N->getValueType(0)) Result = DAG.getNode(ISD::BIT_CONVERT, N->getValueType(0), Result); return Result; } } - return SDOperand(); + return SDValue(); } /// SimplifyVBinOp - Visit a binary vector operation, like ADD. -SDOperand DAGCombiner::SimplifyVBinOp(SDNode *N) { +SDValue DAGCombiner::SimplifyVBinOp(SDNode *N) { // After legalize, the target may be depending on adds and other // binary ops to provide legal ways to construct constants or other // things. Simplifying them may result in a loss of legality. - if (AfterLegalize) return SDOperand(); + if (AfterLegalize) return SDValue(); MVT VT = N->getValueType(0); assert(VT.isVector() && "SimplifyVBinOp only works on vectors!"); MVT EltType = VT.getVectorElementType(); - SDOperand LHS = N->getOperand(0); - SDOperand RHS = N->getOperand(1); - SDOperand Shuffle = XformToShuffleWithZero(N); + SDValue LHS = N->getOperand(0); + SDValue RHS = N->getOperand(1); + SDValue Shuffle = XformToShuffleWithZero(N); if (Shuffle.Val) return Shuffle; // If the LHS and RHS are BUILD_VECTOR nodes, see if we can constant fold // this operation. if (LHS.getOpcode() == ISD::BUILD_VECTOR && RHS.getOpcode() == ISD::BUILD_VECTOR) { - SmallVector<SDOperand, 8> Ops; + SmallVector<SDValue, 8> Ops; for (unsigned i = 0, e = LHS.getNumOperands(); i != e; ++i) { - SDOperand LHSOp = LHS.getOperand(i); - SDOperand RHSOp = RHS.getOperand(i); + SDValue LHSOp = LHS.getOperand(i); + SDValue RHSOp = RHS.getOperand(i); // If these two elements can't be folded, bail out. if ((LHSOp.getOpcode() != ISD::UNDEF && LHSOp.getOpcode() != ISD::Constant && @@ -5121,13 +5121,13 @@ SDOperand DAGCombiner::SimplifyVBinOp(SDNode *N) { } } - return SDOperand(); + return SDValue(); } -SDOperand DAGCombiner::SimplifySelect(SDOperand N0, SDOperand N1, SDOperand N2){ +SDValue DAGCombiner::SimplifySelect(SDValue N0, SDValue N1, SDValue N2){ assert(N0.getOpcode() ==ISD::SETCC && "First argument must be a SetCC node!"); - SDOperand SCC = SimplifySelectCC(N0.getOperand(0), N0.getOperand(1), N1, N2, + SDValue SCC = SimplifySelectCC(N0.getOperand(0), N0.getOperand(1), N1, N2, cast<CondCodeSDNode>(N0.getOperand(2))->get()); // If we got a simplified select_cc node back from SimplifySelectCC, then // break it down into a new SETCC node, and a new SELECT node, and then return @@ -5136,7 +5136,7 @@ SDOperand DAGCombiner::SimplifySelect(SDOperand N0, SDOperand N1, SDOperand N2){ // Check to see if we got a select_cc back (to turn into setcc/select). // Otherwise, just return whatever node we got back, like fabs. if (SCC.getOpcode() == ISD::SELECT_CC) { - SDOperand SETCC = DAG.getNode(ISD::SETCC, N0.getValueType(), + SDValue SETCC = DAG.getNode(ISD::SETCC, N0.getValueType(), SCC.getOperand(0), SCC.getOperand(1), SCC.getOperand(4)); AddToWorkList(SETCC.Val); @@ -5145,7 +5145,7 @@ SDOperand DAGCombiner::SimplifySelect(SDOperand N0, SDOperand N1, SDOperand N2){ } return SCC; } - return SDOperand(); + return SDValue(); } /// SimplifySelectOps - Given a SELECT or a SELECT_CC node, where LHS and RHS @@ -5155,8 +5155,8 @@ SDOperand DAGCombiner::SimplifySelect(SDOperand N0, SDOperand N1, SDOperand N2){ /// node) back to the top-level of the DAG combiner loop to avoid it being /// looked at. /// -bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDOperand LHS, - SDOperand RHS) { +bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDValue LHS, + SDValue RHS) { // If this is a select from two identical things, try to pull the operation // through the select. @@ -5179,7 +5179,7 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDOperand LHS, // FIXME: this conflates two src values, discarding one. This is not // the right thing to do, but nothing uses srcvalues now. When they do, // turn SrcValue into a list of locations. - SDOperand Addr; + SDValue Addr; if (TheSelect->getOpcode() == ISD::SELECT) { // Check that the condition doesn't reach either load. If so, folding // this will induce a cycle into the DAG. @@ -5205,7 +5205,7 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDOperand LHS, } if (Addr.Val) { - SDOperand Load; + SDValue Load; if (LLD->getExtensionType() == ISD::NON_EXTLOAD) Load = DAG.getLoad(TheSelect->getValueType(0), LLD->getChain(), Addr,LLD->getSrcValue(), @@ -5237,9 +5237,9 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDOperand LHS, return false; } -SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, - SDOperand N2, SDOperand N3, - ISD::CondCode CC, bool NotExtCompare) { +SDValue DAGCombiner::SimplifySelectCC(SDValue N0, SDValue N1, + SDValue N2, SDValue N3, + ISD::CondCode CC, bool NotExtCompare) { MVT VT = N2.getValueType(); ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.Val); @@ -5247,7 +5247,7 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, ConstantSDNode *N3C = dyn_cast<ConstantSDNode>(N3.Val); // Determine if the condition we're dealing with is constant - SDOperand SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1, CC, false); + SDValue SCC = SimplifySetCC(TLI.getSetCCResultType(N0), N0, N1, CC, false); if (SCC.Val) AddToWorkList(SCC.Val); ConstantSDNode *SCCC = dyn_cast_or_null<ConstantSDNode>(SCC.Val); @@ -5291,8 +5291,8 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, if (N2C && ((N2C->getAPIntValue() & (N2C->getAPIntValue()-1)) == 0)) { unsigned ShCtV = N2C->getAPIntValue().logBase2(); ShCtV = XType.getSizeInBits()-ShCtV-1; - SDOperand ShCt = DAG.getConstant(ShCtV, TLI.getShiftAmountTy()); - SDOperand Shift = DAG.getNode(ISD::SRL, XType, N0, ShCt); + SDValue ShCt = DAG.getConstant(ShCtV, TLI.getShiftAmountTy()); + SDValue Shift = DAG.getNode(ISD::SRL, XType, N0, ShCt); AddToWorkList(Shift.Val); if (XType.bitsGT(AType)) { Shift = DAG.getNode(ISD::TRUNCATE, AType, Shift); @@ -5300,7 +5300,7 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, } return DAG.getNode(ISD::AND, AType, Shift, N2); } - SDOperand Shift = DAG.getNode(ISD::SRA, XType, N0, + SDValue Shift = DAG.getNode(ISD::SRA, XType, N0, DAG.getConstant(XType.getSizeInBits()-1, TLI.getShiftAmountTy())); AddToWorkList(Shift.Val); @@ -5319,12 +5319,12 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, // If the caller doesn't want us to simplify this into a zext of a compare, // don't do it. if (NotExtCompare && N2C->getAPIntValue() == 1) - return SDOperand(); + return SDValue(); // Get a SetCC of the condition // FIXME: Should probably make sure that setcc is legal if we ever have a // target where it isn't. - SDOperand Temp, SCC; + SDValue Temp, SCC; // cast from setcc result type to select result type if (AfterLegalize) { SCC = DAG.getSetCC(TLI.getSetCCResultType(N0), N0, N1, CC); @@ -5354,7 +5354,7 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, MVT XType = N0.getValueType(); if (!AfterLegalize || TLI.isOperationLegal(ISD::SETCC, TLI.getSetCCResultType(N0))) { - SDOperand Res = DAG.getSetCC(TLI.getSetCCResultType(N0), N0, N1, CC); + SDValue Res = DAG.getSetCC(TLI.getSetCCResultType(N0), N0, N1, CC); if (Res.getValueType() != VT) Res = DAG.getNode(ISD::ZERO_EXTEND, VT, Res); return Res; @@ -5364,16 +5364,16 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, if (N1C && N1C->isNullValue() && CC == ISD::SETEQ && (!AfterLegalize || TLI.isOperationLegal(ISD::CTLZ, XType))) { - SDOperand Ctlz = DAG.getNode(ISD::CTLZ, XType, N0); + SDValue Ctlz = DAG.getNode(ISD::CTLZ, XType, N0); return DAG.getNode(ISD::SRL, XType, Ctlz, DAG.getConstant(Log2_32(XType.getSizeInBits()), TLI.getShiftAmountTy())); } // setgt X, 0 -> srl (and (-X, ~X), size(X)-1) if (N1C && N1C->isNullValue() && CC == ISD::SETGT) { - SDOperand NegN0 = DAG.getNode(ISD::SUB, XType, DAG.getConstant(0, XType), + SDValue NegN0 = DAG.getNode(ISD::SUB, XType, DAG.getConstant(0, XType), N0); - SDOperand NotN0 = DAG.getNode(ISD::XOR, XType, N0, + SDValue NotN0 = DAG.getNode(ISD::XOR, XType, N0, DAG.getConstant(~0ULL, XType)); return DAG.getNode(ISD::SRL, XType, DAG.getNode(ISD::AND, XType, NegN0, NotN0), @@ -5382,7 +5382,7 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, } // setgt X, -1 -> xor (srl (X, size(X)-1), 1) if (N1C && N1C->isAllOnesValue() && CC == ISD::SETGT) { - SDOperand Sign = DAG.getNode(ISD::SRL, XType, N0, + SDValue Sign = DAG.getNode(ISD::SRL, XType, N0, DAG.getConstant(XType.getSizeInBits()-1, TLI.getShiftAmountTy())); return DAG.getNode(ISD::XOR, XType, Sign, DAG.getConstant(1, XType)); @@ -5395,10 +5395,10 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, N0 == N3 && N2.getOpcode() == ISD::SUB && N0 == N2.getOperand(1) && N2.getOperand(0) == N1 && N0.getValueType().isInteger()) { MVT XType = N0.getValueType(); - SDOperand Shift = DAG.getNode(ISD::SRA, XType, N0, + SDValue Shift = DAG.getNode(ISD::SRA, XType, N0, DAG.getConstant(XType.getSizeInBits()-1, TLI.getShiftAmountTy())); - SDOperand Add = DAG.getNode(ISD::ADD, XType, N0, Shift); + SDValue Add = DAG.getNode(ISD::ADD, XType, N0, Shift); AddToWorkList(Shift.Val); AddToWorkList(Add.Val); return DAG.getNode(ISD::XOR, XType, Add, Shift); @@ -5410,10 +5410,10 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, if (ConstantSDNode *SubC = dyn_cast<ConstantSDNode>(N3.getOperand(0))) { MVT XType = N0.getValueType(); if (SubC->isNullValue() && XType.isInteger()) { - SDOperand Shift = DAG.getNode(ISD::SRA, XType, N0, + SDValue Shift = DAG.getNode(ISD::SRA, XType, N0, DAG.getConstant(XType.getSizeInBits()-1, TLI.getShiftAmountTy())); - SDOperand Add = DAG.getNode(ISD::ADD, XType, N0, Shift); + SDValue Add = DAG.getNode(ISD::ADD, XType, N0, Shift); AddToWorkList(Shift.Val); AddToWorkList(Add.Val); return DAG.getNode(ISD::XOR, XType, Add, Shift); @@ -5421,13 +5421,13 @@ SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1, } } - return SDOperand(); + return SDValue(); } /// SimplifySetCC - This is a stub for TargetLowering::SimplifySetCC. -SDOperand DAGCombiner::SimplifySetCC(MVT VT, SDOperand N0, - SDOperand N1, ISD::CondCode Cond, - bool foldBooleans) { +SDValue DAGCombiner::SimplifySetCC(MVT VT, SDValue N0, + SDValue N1, ISD::CondCode Cond, + bool foldBooleans) { TargetLowering::DAGCombinerInfo DagCombineInfo(DAG, !AfterLegalize, false, this); return TLI.SimplifySetCC(VT, N0, N1, Cond, foldBooleans, DagCombineInfo); @@ -5437,9 +5437,9 @@ SDOperand DAGCombiner::SimplifySetCC(MVT VT, SDOperand N0, /// return a DAG expression to select that will generate the same value by /// multiplying by a magic number. See: /// <http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html> -SDOperand DAGCombiner::BuildSDIV(SDNode *N) { +SDValue DAGCombiner::BuildSDIV(SDNode *N) { std::vector<SDNode*> Built; - SDOperand S = TLI.BuildSDIV(N, DAG, &Built); + SDValue S = TLI.BuildSDIV(N, DAG, &Built); for (std::vector<SDNode*>::iterator ii = Built.begin(), ee = Built.end(); ii != ee; ++ii) @@ -5451,9 +5451,9 @@ SDOperand DAGCombiner::BuildSDIV(SDNode *N) { /// return a DAG expression to select that will generate the same value by /// multiplying by a magic number. See: /// <http://the.wall.riscom.net/books/proc/ppc/cwg/code2.html> -SDOperand DAGCombiner::BuildUDIV(SDNode *N) { +SDValue DAGCombiner::BuildUDIV(SDNode *N) { std::vector<SDNode*> Built; - SDOperand S = TLI.BuildUDIV(N, DAG, &Built); + SDValue S = TLI.BuildUDIV(N, DAG, &Built); for (std::vector<SDNode*>::iterator ii = Built.begin(), ee = Built.end(); ii != ee; ++ii) @@ -5463,7 +5463,7 @@ SDOperand DAGCombiner::BuildUDIV(SDNode *N) { /// FindBaseOffset - Return true if base is known not to alias with anything /// but itself. Provides base object and offset as results. -static bool FindBaseOffset(SDOperand Ptr, SDOperand &Base, int64_t &Offset) { +static bool FindBaseOffset(SDValue Ptr, SDValue &Base, int64_t &Offset) { // Assume it is a primitive operation. Base = Ptr; Offset = 0; @@ -5483,16 +5483,16 @@ static bool FindBaseOffset(SDOperand Ptr, SDOperand &Base, int64_t &Offset) { /// isAlias - Return true if there is any possibility that the two addresses /// overlap. -bool DAGCombiner::isAlias(SDOperand Ptr1, int64_t Size1, +bool DAGCombiner::isAlias(SDValue Ptr1, int64_t Size1, const Value *SrcValue1, int SrcValueOffset1, - SDOperand Ptr2, int64_t Size2, + SDValue Ptr2, int64_t Size2, const Value *SrcValue2, int SrcValueOffset2) { // If they are the same then they must be aliases. if (Ptr1 == Ptr2) return true; // Gather base node and offset information. - SDOperand Base1, Base2; + SDValue Base1, Base2; int64_t Offset1, Offset2; bool KnownBase1 = FindBaseOffset(Ptr1, Base1, Offset1); bool KnownBase2 = FindBaseOffset(Ptr2, Base2, Offset2); @@ -5524,7 +5524,7 @@ bool DAGCombiner::isAlias(SDOperand Ptr1, int64_t Size1, /// FindAliasInfo - Extracts the relevant alias information from the memory /// node. Returns true if the operand was a load. bool DAGCombiner::FindAliasInfo(SDNode *N, - SDOperand &Ptr, int64_t &Size, + SDValue &Ptr, int64_t &Size, const Value *&SrcValue, int &SrcValueOffset) { if (LoadSDNode *LD = dyn_cast<LoadSDNode>(N)) { Ptr = LD->getBasePtr(); @@ -5546,13 +5546,13 @@ bool DAGCombiner::FindAliasInfo(SDNode *N, /// GatherAllAliases - Walk up chain skipping non-aliasing memory nodes, /// looking for aliasing nodes and adding them to the Aliases vector. -void DAGCombiner::GatherAllAliases(SDNode *N, SDOperand OriginalChain, - SmallVector<SDOperand, 8> &Aliases) { - SmallVector<SDOperand, 8> Chains; // List of chains to visit. +void DAGCombiner::GatherAllAliases(SDNode *N, SDValue OriginalChain, + SmallVector<SDValue, 8> &Aliases) { + SmallVector<SDValue, 8> Chains; // List of chains to visit. std::set<SDNode *> Visited; // Visited node set. // Get alias information for node. - SDOperand Ptr; + SDValue Ptr; int64_t Size; const Value *SrcValue; int SrcValueOffset; @@ -5565,7 +5565,7 @@ void DAGCombiner::GatherAllAliases(SDNode *N, SDOperand OriginalChain, // aliases list. If not, then continue up the chain looking for the next // candidate. while (!Chains.empty()) { - SDOperand Chain = Chains.back(); + SDValue Chain = Chains.back(); Chains.pop_back(); // Don't bother if we've been before. @@ -5580,7 +5580,7 @@ void DAGCombiner::GatherAllAliases(SDNode *N, SDOperand OriginalChain, case ISD::LOAD: case ISD::STORE: { // Get alias information for Chain. - SDOperand OpPtr; + SDValue OpPtr; int64_t OpSize; const Value *OpSrcValue; int OpSrcValueOffset; @@ -5622,8 +5622,8 @@ void DAGCombiner::GatherAllAliases(SDNode *N, SDOperand OriginalChain, /// FindBetterChain - Walk up chain skipping non-aliasing memory nodes, looking /// for a better chain (aliasing node.) -SDOperand DAGCombiner::FindBetterChain(SDNode *N, SDOperand OldChain) { - SmallVector<SDOperand, 8> Aliases; // Ops for replacing token factor. +SDValue DAGCombiner::FindBetterChain(SDNode *N, SDValue OldChain) { + SmallVector<SDValue, 8> Aliases; // Ops for replacing token factor. // Accumulate all the aliases to this node. GatherAllAliases(N, OldChain, Aliases); @@ -5637,7 +5637,7 @@ SDOperand DAGCombiner::FindBetterChain(SDNode *N, SDOperand OldChain) { } // Construct a custom tailored token factor. - SDOperand NewChain = DAG.getNode(ISD::TokenFactor, MVT::Other, + SDValue NewChain = DAG.getNode(ISD::TokenFactor, MVT::Other, &Aliases[0], Aliases.size()); // Make sure the old chain gets cleaned up. |