/// ReadyToProcess - All operands have been processed, so this node is ready
/// to be handled.
ReadyToProcess = 0,
-
+
/// NewNode - This is a new node that was created in the process of
/// legalizing some other node.
NewNode = -1,
-
+
/// Processed - This is a node that has already been processed.
Processed = -2
-
+
// 1+ - This is a node which has this many unlegalized operands.
};
private:
enum LegalizeAction {
- Legal, // The target natively supports this type.
- Promote, // This type should be executed in a larger type.
- Expand, // This type should be split into two types of half the size.
- FloatToInt, // Convert a floating point type to an integer of the same size.
- Scalarize, // Replace this one-element vector type with its element type.
- Split // This vector type should be split into smaller vectors.
+ Legal, // The target natively supports this type.
+ PromoteInteger, // Replace this integer type with a larger one.
+ ExpandInteger, // Split this integer type into two of half the size.
+ SoftenFloat, // Convert this float type to a same size integer type.
+ ExpandFloat, // Split this float type into two of half the size.
+ Scalarize, // Replace this one-element vector type with its element type.
+ Split // This vector type should be split into smaller vectors.
};
/// ValueTypeActions - This is a bitvector that contains two bits for each
/// simple value type, where the two bits correspond to the LegalizeAction
/// enum from TargetLowering. This can be queried with "getTypeAction(VT)".
TargetLowering::ValueTypeActionImpl ValueTypeActions;
-
+
/// getTypeAction - Return how we should legalize values of this type, either
/// it is already legal, or we need to promote it to a larger integer type, or
/// we need to expand it into multiple registers of a smaller integer type, or
/// we need to scalarize a one-element vector type into the element type, or
/// we need to split a vector type into smaller vector types.
- LegalizeAction getTypeAction(MVT::ValueType VT) const {
+ LegalizeAction getTypeAction(MVT VT) const {
switch (ValueTypeActions.getTypeAction(VT)) {
default:
assert(false && "Unknown legalize action!");
case TargetLowering::Legal:
return Legal;
case TargetLowering::Promote:
- return Promote;
+ return PromoteInteger;
case TargetLowering::Expand:
// Expand can mean
// 1) split scalar in half, 2) convert a float to an integer,
// 3) scalarize a single-element vector, 4) split a vector in two.
- if (!MVT::isVector(VT)) {
- if (MVT::getSizeInBits(VT) ==
- MVT::getSizeInBits(TLI.getTypeToTransformTo(VT)))
- return FloatToInt;
+ if (!VT.isVector()) {
+ if (VT.isInteger())
+ return ExpandInteger;
+ else if (VT.getSizeInBits() ==
+ TLI.getTypeToTransformTo(VT).getSizeInBits())
+ return SoftenFloat;
else
- return Expand;
- } else if (MVT::getVectorNumElements(VT) == 1) {
+ return ExpandFloat;
+ } else if (VT.getVectorNumElements() == 1) {
return Scalarize;
} else {
return Split;
}
/// isTypeLegal - Return true if this type is legal on this target.
- bool isTypeLegal(MVT::ValueType VT) const {
+ bool isTypeLegal(MVT VT) const {
return ValueTypeActions.getTypeAction(VT) == TargetLowering::Legal;
}
- /// PromotedNodes - For nodes that are below legal width, this map indicates
- /// what promoted value to use.
- DenseMap<SDOperandImpl, SDOperand> PromotedNodes;
-
- /// ExpandedNodes - For nodes that need to be expanded this map indicates
- /// which operands are the expanded version of the input.
- DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> > ExpandedNodes;
+ /// PromotedIntegers - For integer nodes that are below legal width, this map
+ /// indicates what promoted value to use.
+ DenseMap<SDOperand, SDOperand> PromotedIntegers;
+
+ /// ExpandedIntegers - For integer nodes that need to be expanded this map
+ /// indicates which operands are the expanded version of the input.
+ DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > ExpandedIntegers;
- /// FloatToIntedNodes - For floating point nodes converted to integers of
+ /// SoftenedFloats - For floating point nodes converted to integers of
/// the same size, this map indicates the converted value to use.
- DenseMap<SDOperandImpl, SDOperand> FloatToIntedNodes;
+ DenseMap<SDOperand, SDOperand> SoftenedFloats;
- /// ScalarizedNodes - For nodes that are <1 x ty>, this map indicates the
+ /// ExpandedFloats - For float nodes that need to be expanded this map
+ /// indicates which operands are the expanded version of the input.
+ DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > ExpandedFloats;
+
+ /// ScalarizedVectors - For nodes that are <1 x ty>, this map indicates the
/// scalar value of type 'ty' to use.
- DenseMap<SDOperandImpl, SDOperand> ScalarizedNodes;
+ DenseMap<SDOperand, SDOperand> ScalarizedVectors;
- /// SplitNodes - For nodes that need to be split this map indicates
+ /// SplitVectors - For nodes that need to be split this map indicates
/// which operands are the expanded version of the input.
- DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> > SplitNodes;
-
+ DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > SplitVectors;
+
/// ReplacedNodes - For nodes that have been replaced with another,
/// indicates the replacement node to use.
- DenseMap<SDOperandImpl, SDOperand> ReplacedNodes;
+ DenseMap<SDOperand, SDOperand> ReplacedNodes;
/// Worklist - This defines a worklist of nodes to process. In order to be
/// pushed onto this worklist, all operands of a node must have already been
/// processed.
SmallVector<SDNode*, 128> Worklist;
-
+
public:
explicit DAGTypeLegalizer(SelectionDAG &dag)
: TLI(dag.getTargetLoweringInfo()), DAG(dag),
ValueTypeActions(TLI.getValueTypeActions()) {
assert(MVT::LAST_VALUETYPE <= 32 &&
"Too many value types for ValueTypeActions to hold!");
- }
-
+ }
+
void run();
-
+
/// ReanalyzeNode - Recompute the NodeID and correct processed operands
/// for the specified node, adding it to the worklist if ready.
void ReanalyzeNode(SDNode *N) {
AnalyzeNewNode(N);
}
+ void NoteReplacement(SDOperand From, SDOperand To) {
+ ExpungeNode(From);
+ ExpungeNode(To);
+ ReplacedNodes[From] = To;
+ }
+
private:
void AnalyzeNewNode(SDNode *&N);
void ReplaceNodeWith(SDNode *From, SDNode *To);
void RemapNode(SDOperand &N);
+ void ExpungeNode(SDOperand N);
// Common routines.
+ SDOperand CreateStackStoreLoad(SDOperand Op, MVT DestVT);
+ SDOperand MakeLibCall(RTLIB::Libcall LC, MVT RetVT,
+ const SDOperand *Ops, unsigned NumOps, bool isSigned);
+
SDOperand BitConvertToInteger(SDOperand Op);
- SDOperand CreateStackStoreLoad(SDOperand Op, MVT::ValueType DestVT);
SDOperand JoinIntegers(SDOperand Lo, SDOperand Hi);
void SplitInteger(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
- void SplitInteger(SDOperand Op, MVT::ValueType LoVT, MVT::ValueType HiVT,
+ void SplitInteger(SDOperand Op, MVT LoVT, MVT HiVT,
SDOperand &Lo, SDOperand &Hi);
- SDOperand MakeLibCall(RTLIB::Libcall LC, SDNode *N, bool isSigned);
+
+ SDOperand GetVectorElementPointer(SDOperand VecPtr, MVT EltVT,
+ SDOperand Index);
//===--------------------------------------------------------------------===//
- // Promotion Support: LegalizeTypesPromote.cpp
+ // Integer Promotion Support: LegalizeIntegerTypes.cpp
//===--------------------------------------------------------------------===//
-
- SDOperand GetPromotedOp(SDOperand Op) {
- SDOperand &PromotedOp = PromotedNodes[Op];
+
+ SDOperand GetPromotedInteger(SDOperand Op) {
+ SDOperand &PromotedOp = PromotedIntegers[Op];
RemapNode(PromotedOp);
assert(PromotedOp.Val && "Operand wasn't promoted?");
return PromotedOp;
}
- void SetPromotedOp(SDOperand Op, SDOperand Result);
-
- /// GetPromotedZExtOp - Get a promoted operand and zero extend it to the final
- /// size.
- SDOperand GetPromotedZExtOp(SDOperand Op) {
- MVT::ValueType OldVT = Op.getValueType();
- Op = GetPromotedOp(Op);
+ void SetPromotedInteger(SDOperand Op, SDOperand Result);
+
+ /// ZExtPromotedInteger - Get a promoted operand and zero extend it to the
+ /// final size.
+ SDOperand ZExtPromotedInteger(SDOperand Op) {
+ MVT OldVT = Op.getValueType();
+ Op = GetPromotedInteger(Op);
return DAG.getZeroExtendInReg(Op, OldVT);
- }
-
- // Result Promotion.
- void PromoteResult(SDNode *N, unsigned ResNo);
- SDOperand PromoteResult_BIT_CONVERT(SDNode *N);
- SDOperand PromoteResult_BUILD_PAIR(SDNode *N);
- SDOperand PromoteResult_Constant(SDNode *N);
- SDOperand PromoteResult_CTLZ(SDNode *N);
- SDOperand PromoteResult_CTPOP(SDNode *N);
- SDOperand PromoteResult_CTTZ(SDNode *N);
- SDOperand PromoteResult_EXTRACT_VECTOR_ELT(SDNode *N);
- SDOperand PromoteResult_FP_ROUND(SDNode *N);
- SDOperand PromoteResult_FP_TO_XINT(SDNode *N);
- SDOperand PromoteResult_INT_EXTEND(SDNode *N);
- SDOperand PromoteResult_LOAD(LoadSDNode *N);
- SDOperand PromoteResult_SDIV(SDNode *N);
- SDOperand PromoteResult_SELECT (SDNode *N);
- SDOperand PromoteResult_SELECT_CC(SDNode *N);
- SDOperand PromoteResult_SETCC(SDNode *N);
- SDOperand PromoteResult_SHL(SDNode *N);
- SDOperand PromoteResult_SimpleIntBinOp(SDNode *N);
- SDOperand PromoteResult_SRA(SDNode *N);
- SDOperand PromoteResult_SRL(SDNode *N);
- SDOperand PromoteResult_TRUNCATE(SDNode *N);
- SDOperand PromoteResult_UDIV(SDNode *N);
- SDOperand PromoteResult_UNDEF(SDNode *N);
-
- // Operand Promotion.
- bool PromoteOperand(SDNode *N, unsigned OperandNo);
- SDOperand PromoteOperand_ANY_EXTEND(SDNode *N);
- SDOperand PromoteOperand_BUILD_PAIR(SDNode *N);
- SDOperand PromoteOperand_BR_CC(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_BRCOND(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_BUILD_VECTOR(SDNode *N);
- SDOperand PromoteOperand_FP_EXTEND(SDNode *N);
- SDOperand PromoteOperand_FP_ROUND(SDNode *N);
- SDOperand PromoteOperand_INT_TO_FP(SDNode *N);
- SDOperand PromoteOperand_INSERT_VECTOR_ELT(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_MEMBARRIER(SDNode *N);
- SDOperand PromoteOperand_RET(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_SELECT(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_SETCC(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_SIGN_EXTEND(SDNode *N);
- SDOperand PromoteOperand_STORE(StoreSDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_TRUNCATE(SDNode *N);
- SDOperand PromoteOperand_ZERO_EXTEND(SDNode *N);
+ }
+
+ // Integer Result Promotion.
+ void PromoteIntegerResult(SDNode *N, unsigned ResNo);
+ SDOperand PromoteIntRes_BIT_CONVERT(SDNode *N);
+ SDOperand PromoteIntRes_BUILD_PAIR(SDNode *N);
+ SDOperand PromoteIntRes_Constant(SDNode *N);
+ SDOperand PromoteIntRes_CTLZ(SDNode *N);
+ SDOperand PromoteIntRes_CTPOP(SDNode *N);
+ SDOperand PromoteIntRes_CTTZ(SDNode *N);
+ SDOperand PromoteIntRes_EXTRACT_VECTOR_ELT(SDNode *N);
+ SDOperand PromoteIntRes_FP_ROUND(SDNode *N);
+ SDOperand PromoteIntRes_FP_TO_XINT(SDNode *N);
+ SDOperand PromoteIntRes_INT_EXTEND(SDNode *N);
+ SDOperand PromoteIntRes_LOAD(LoadSDNode *N);
+ SDOperand PromoteIntRes_SDIV(SDNode *N);
+ SDOperand PromoteIntRes_SELECT (SDNode *N);
+ SDOperand PromoteIntRes_SELECT_CC(SDNode *N);
+ SDOperand PromoteIntRes_SETCC(SDNode *N);
+ SDOperand PromoteIntRes_SHL(SDNode *N);
+ SDOperand PromoteIntRes_SimpleIntBinOp(SDNode *N);
+ SDOperand PromoteIntRes_SRA(SDNode *N);
+ SDOperand PromoteIntRes_SRL(SDNode *N);
+ SDOperand PromoteIntRes_TRUNCATE(SDNode *N);
+ SDOperand PromoteIntRes_UDIV(SDNode *N);
+ SDOperand PromoteIntRes_UNDEF(SDNode *N);
+
+ // Integer Operand Promotion.
+ bool PromoteIntegerOperand(SDNode *N, unsigned OperandNo);
+ SDOperand PromoteIntOp_ANY_EXTEND(SDNode *N);
+ SDOperand PromoteIntOp_BUILD_PAIR(SDNode *N);
+ SDOperand PromoteIntOp_BR_CC(SDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_BRCOND(SDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_BUILD_VECTOR(SDNode *N);
+ SDOperand PromoteIntOp_FP_EXTEND(SDNode *N);
+ SDOperand PromoteIntOp_FP_ROUND(SDNode *N);
+ SDOperand PromoteIntOp_INT_TO_FP(SDNode *N);
+ SDOperand PromoteIntOp_INSERT_VECTOR_ELT(SDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_MEMBARRIER(SDNode *N);
+ SDOperand PromoteIntOp_SELECT(SDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_SETCC(SDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_SIGN_EXTEND(SDNode *N);
+ SDOperand PromoteIntOp_STORE(StoreSDNode *N, unsigned OpNo);
+ SDOperand PromoteIntOp_TRUNCATE(SDNode *N);
+ SDOperand PromoteIntOp_ZERO_EXTEND(SDNode *N);
void PromoteSetCCOperands(SDOperand &LHS,SDOperand &RHS, ISD::CondCode Code);
//===--------------------------------------------------------------------===//
- // Expansion Support: LegalizeTypesExpand.cpp
+ // Integer Expansion Support: LegalizeIntegerTypes.cpp
//===--------------------------------------------------------------------===//
-
- void GetExpandedOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
- void SetExpandedOp(SDOperand Op, SDOperand Lo, SDOperand Hi);
-
- // Result Expansion.
- void ExpandResult(SDNode *N, unsigned ResNo);
- void ExpandResult_ANY_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_AssertZext (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_BUILD_PAIR (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_Constant (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_CTLZ (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_CTPOP (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_CTTZ (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_EXTRACT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_LOAD (LoadSDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_MERGE_VALUES(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SIGN_EXTEND(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SIGN_EXTEND_INREG(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_TRUNCATE (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_UNDEF (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ZERO_EXTEND(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_FP_TO_SINT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_FP_TO_UINT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
-
- void ExpandResult_Logical (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_BSWAP (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ADDSUB (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ADDSUBC (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ADDSUBE (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SELECT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SELECT_CC (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_MUL (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_SREM (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_UDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_UREM (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_Shift (SDNode *N, SDOperand &Lo, SDOperand &Hi);
-
- void ExpandShiftByConstant(SDNode *N, unsigned Amt,
+
+ void GetExpandedInteger(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
+ void SetExpandedInteger(SDOperand Op, SDOperand Lo, SDOperand Hi);
+
+ // Integer Result Expansion.
+ void ExpandIntegerResult(SDNode *N, unsigned ResNo);
+ void ExpandIntRes_ANY_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_AssertZext (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_Constant (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_CTLZ (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_CTPOP (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_CTTZ (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_LOAD (LoadSDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_SIGN_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_SIGN_EXTEND_INREG (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_TRUNCATE (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_ZERO_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_FP_TO_SINT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_FP_TO_UINT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ void ExpandIntRes_Logical (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_BSWAP (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_ADDSUB (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_ADDSUBC (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_ADDSUBE (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_MUL (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_SDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_SREM (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_UDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_UREM (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandIntRes_Shift (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ void ExpandShiftByConstant(SDNode *N, unsigned Amt,
SDOperand &Lo, SDOperand &Hi);
bool ExpandShiftWithKnownAmountBit(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- // Operand Expansion.
- bool ExpandOperand(SDNode *N, unsigned OperandNo);
- SDOperand ExpandOperand_BIT_CONVERT(SDNode *N);
- SDOperand ExpandOperand_BR_CC(SDNode *N);
- SDOperand ExpandOperand_BUILD_VECTOR(SDNode *N);
- SDOperand ExpandOperand_EXTRACT_ELEMENT(SDNode *N);
- SDOperand ExpandOperand_SETCC(SDNode *N);
- SDOperand ExpandOperand_SINT_TO_FP(SDOperand Source, MVT::ValueType DestTy);
- SDOperand ExpandOperand_STORE(StoreSDNode *N, unsigned OpNo);
- SDOperand ExpandOperand_TRUNCATE(SDNode *N);
- SDOperand ExpandOperand_UINT_TO_FP(SDOperand Source, MVT::ValueType DestTy);
+ // Integer Operand Expansion.
+ bool ExpandIntegerOperand(SDNode *N, unsigned OperandNo);
+ SDOperand ExpandIntOp_BIT_CONVERT(SDNode *N);
+ SDOperand ExpandIntOp_BR_CC(SDNode *N);
+ SDOperand ExpandIntOp_BUILD_VECTOR(SDNode *N);
+ SDOperand ExpandIntOp_EXTRACT_ELEMENT(SDNode *N);
+ SDOperand ExpandIntOp_SETCC(SDNode *N);
+ SDOperand ExpandIntOp_SINT_TO_FP(SDOperand Source, MVT DestTy);
+ SDOperand ExpandIntOp_STORE(StoreSDNode *N, unsigned OpNo);
+ SDOperand ExpandIntOp_TRUNCATE(SDNode *N);
+ SDOperand ExpandIntOp_UINT_TO_FP(SDOperand Source, MVT DestTy);
void ExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS,
ISD::CondCode &CCCode);
-
+
//===--------------------------------------------------------------------===//
- // Float to Integer Conversion Support: LegalizeTypesFloatToInt.cpp
+ // Float to Integer Conversion Support: LegalizeFloatTypes.cpp
//===--------------------------------------------------------------------===//
- SDOperand GetIntegerOp(SDOperand Op) {
- SDOperand &IntegerOp = FloatToIntedNodes[Op];
- RemapNode(IntegerOp);
- assert(IntegerOp.Val && "Operand wasn't converted to integer?");
- return IntegerOp;
+ SDOperand GetSoftenedFloat(SDOperand Op) {
+ SDOperand &SoftenedOp = SoftenedFloats[Op];
+ RemapNode(SoftenedOp);
+ assert(SoftenedOp.Val && "Operand wasn't converted to integer?");
+ return SoftenedOp;
}
- void SetIntegerOp(SDOperand Op, SDOperand Result);
+ void SetSoftenedFloat(SDOperand Op, SDOperand Result);
// Result Float to Integer Conversion.
- void FloatToIntResult(SDNode *N, unsigned OpNo);
- SDOperand FloatToIntRes_BIT_CONVERT(SDNode *N);
- SDOperand FloatToIntRes_BUILD_PAIR(SDNode *N);
- SDOperand FloatToIntRes_FCOPYSIGN(SDNode *N);
- SDOperand FloatToIntRes_LOAD(SDNode *N);
+ void SoftenFloatResult(SDNode *N, unsigned OpNo);
+ SDOperand SoftenFloatRes_BIT_CONVERT(SDNode *N);
+ SDOperand SoftenFloatRes_BUILD_PAIR(SDNode *N);
+ SDOperand SoftenFloatRes_ConstantFP(ConstantFPSDNode *N);
+ SDOperand SoftenFloatRes_FADD(SDNode *N);
+ SDOperand SoftenFloatRes_FCOPYSIGN(SDNode *N);
+ SDOperand SoftenFloatRes_FMUL(SDNode *N);
+ SDOperand SoftenFloatRes_FSUB(SDNode *N);
+ SDOperand SoftenFloatRes_LOAD(SDNode *N);
+ SDOperand SoftenFloatRes_XINT_TO_FP(SDNode *N);
// Operand Float to Integer Conversion.
- bool FloatToIntOperand(SDNode *N, unsigned OpNo);
- SDOperand FloatToIntOp_BIT_CONVERT(SDNode *N);
+ bool SoftenFloatOperand(SDNode *N, unsigned OpNo);
+ SDOperand SoftenFloatOp_BIT_CONVERT(SDNode *N);
+
+ //===--------------------------------------------------------------------===//
+ // Float Expansion Support: LegalizeFloatTypes.cpp
+ //===--------------------------------------------------------------------===//
+
+ void GetExpandedFloat(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
+ void SetExpandedFloat(SDOperand Op, SDOperand Lo, SDOperand Hi);
+
+ // Float Result Expansion.
+ void ExpandFloatResult(SDNode *N, unsigned ResNo);
+ void ExpandFloatRes_LOAD(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ // Float Operand Expansion.
+ bool ExpandFloatOperand(SDNode *N, unsigned OperandNo);
+ SDOperand ExpandFloatOp_STORE(SDNode *N, unsigned OpNo);
//===--------------------------------------------------------------------===//
- // Scalarization Support: LegalizeTypesScalarize.cpp
+ // Scalarization Support: LegalizeVectorTypes.cpp
//===--------------------------------------------------------------------===//
-
- SDOperand GetScalarizedOp(SDOperand Op) {
- SDOperand &ScalarOp = ScalarizedNodes[Op];
- RemapNode(ScalarOp);
- assert(ScalarOp.Val && "Operand wasn't scalarized?");
- return ScalarOp;
+
+ SDOperand GetScalarizedVector(SDOperand Op) {
+ SDOperand &ScalarizedOp = ScalarizedVectors[Op];
+ RemapNode(ScalarizedOp);
+ assert(ScalarizedOp.Val && "Operand wasn't scalarized?");
+ return ScalarizedOp;
}
- void SetScalarizedOp(SDOperand Op, SDOperand Result);
-
- // Result Vector Scalarization: <1 x ty> -> ty.
+ void SetScalarizedVector(SDOperand Op, SDOperand Result);
+
+ // Vector Result Scalarization: <1 x ty> -> ty.
void ScalarizeResult(SDNode *N, unsigned OpNo);
- SDOperand ScalarizeRes_BinOp(SDNode *N);
- SDOperand ScalarizeRes_UnaryOp(SDNode *N);
-
- SDOperand ScalarizeRes_BIT_CONVERT(SDNode *N);
- SDOperand ScalarizeRes_FPOWI(SDNode *N);
- SDOperand ScalarizeRes_INSERT_VECTOR_ELT(SDNode *N);
- SDOperand ScalarizeRes_LOAD(LoadSDNode *N);
- SDOperand ScalarizeRes_SELECT(SDNode *N);
- SDOperand ScalarizeRes_UNDEF(SDNode *N);
- SDOperand ScalarizeRes_VECTOR_SHUFFLE(SDNode *N);
-
- // Operand Vector Scalarization: <1 x ty> -> ty.
+ SDOperand ScalarizeVecRes_BinOp(SDNode *N);
+ SDOperand ScalarizeVecRes_UnaryOp(SDNode *N);
+
+ SDOperand ScalarizeVecRes_BIT_CONVERT(SDNode *N);
+ SDOperand ScalarizeVecRes_FPOWI(SDNode *N);
+ SDOperand ScalarizeVecRes_INSERT_VECTOR_ELT(SDNode *N);
+ SDOperand ScalarizeVecRes_LOAD(LoadSDNode *N);
+ SDOperand ScalarizeVecRes_SELECT(SDNode *N);
+ SDOperand ScalarizeVecRes_UNDEF(SDNode *N);
+ SDOperand ScalarizeVecRes_VECTOR_SHUFFLE(SDNode *N);
+
+ // Vector Operand Scalarization: <1 x ty> -> ty.
bool ScalarizeOperand(SDNode *N, unsigned OpNo);
- SDOperand ScalarizeOp_BIT_CONVERT(SDNode *N);
- SDOperand ScalarizeOp_EXTRACT_VECTOR_ELT(SDNode *N);
- SDOperand ScalarizeOp_STORE(StoreSDNode *N, unsigned OpNo);
+ SDOperand ScalarizeVecOp_BIT_CONVERT(SDNode *N);
+ SDOperand ScalarizeVecOp_EXTRACT_VECTOR_ELT(SDNode *N);
+ SDOperand ScalarizeVecOp_STORE(StoreSDNode *N, unsigned OpNo);
//===--------------------------------------------------------------------===//
- // Vector Splitting Support: LegalizeTypesSplit.cpp
+ // Vector Splitting Support: LegalizeVectorTypes.cpp
//===--------------------------------------------------------------------===//
-
- void GetSplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
- void SetSplitOp(SDOperand Op, SDOperand Lo, SDOperand Hi);
-
- // Result Vector Splitting: <128 x ty> -> 2 x <64 x ty>.
+
+ void GetSplitVector(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
+ void SetSplitVector(SDOperand Op, SDOperand Lo, SDOperand Hi);
+
+ // Vector Result Splitting: <128 x ty> -> 2 x <64 x ty>.
void SplitResult(SDNode *N, unsigned OpNo);
- void SplitRes_UNDEF(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_LOAD(LoadSDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_BUILD_PAIR(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_INSERT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_VECTOR_SHUFFLE(SDNode *N, SDOperand &Lo, SDOperand &Hi);
-
- void SplitRes_BUILD_VECTOR(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_CONCAT_VECTORS(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_UnOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_BinOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_FPOWI(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void SplitRes_SELECT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
-
- // Operand Vector Splitting: <128 x ty> -> 2 x <64 x ty>.
+ void SplitVecRes_UNDEF(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_LOAD(LoadSDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_BUILD_PAIR(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_INSERT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_VECTOR_SHUFFLE(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ void SplitVecRes_BUILD_VECTOR(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_CONCAT_VECTORS(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_UnOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_BinOp(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_FPOWI(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitVecRes_SELECT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ // Vector Operand Splitting: <128 x ty> -> 2 x <64 x ty>.
bool SplitOperand(SDNode *N, unsigned OpNo);
- SDOperand SplitOp_BIT_CONVERT(SDNode *N);
- SDOperand SplitOp_EXTRACT_SUBVECTOR(SDNode *N);
- SDOperand SplitOp_EXTRACT_VECTOR_ELT(SDNode *N);
- SDOperand SplitOp_RET(SDNode *N, unsigned OpNo);
- SDOperand SplitOp_STORE(StoreSDNode *N, unsigned OpNo);
- SDOperand SplitOp_VECTOR_SHUFFLE(SDNode *N, unsigned OpNo);
+ SDOperand SplitVecOp_BIT_CONVERT(SDNode *N);
+ SDOperand SplitVecOp_EXTRACT_SUBVECTOR(SDNode *N);
+ SDOperand SplitVecOp_EXTRACT_VECTOR_ELT(SDNode *N);
+ SDOperand SplitVecOp_RET(SDNode *N, unsigned OpNo);
+ SDOperand SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo);
+ SDOperand SplitVecOp_VECTOR_SHUFFLE(SDNode *N, unsigned OpNo);
+
+ //===--------------------------------------------------------------------===//
+ // Generic Splitting: LegalizeTypesGeneric.cpp
+ //===--------------------------------------------------------------------===//
+
+ // Legalization methods which only use that the illegal type is split into two
+ // not necessarily identical types. As such they can be used for splitting
+ // vectors and expanding integers and floats.
+
+ void GetSplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi) {
+ if (Op.getValueType().isVector())
+ GetSplitVector(Op, Lo, Hi);
+ else if (Op.getValueType().isInteger())
+ GetExpandedInteger(Op, Lo, Hi);
+ else
+ GetExpandedFloat(Op, Lo, Hi);
+ }
+
+ /// GetSplitDestVTs - Compute the VTs needed for the low/hi parts of a type
+ /// which is split (or expanded) into two not necessarily identical pieces.
+ void GetSplitDestVTs(MVT InVT, MVT &LoVT, MVT &HiVT);
+
+ // Generic Result Splitting.
+ void SplitRes_MERGE_VALUES(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitRes_SELECT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitRes_SELECT_CC (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void SplitRes_UNDEF (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ //===--------------------------------------------------------------------===//
+ // Generic Expansion: LegalizeTypesGeneric.cpp
+ //===--------------------------------------------------------------------===//
+
+ // Legalization methods which only use that the illegal type is split into two
+ // identical types of half the size, and that the Lo/Hi part is stored first
+ // in memory on little/big-endian machines, followed by the Hi/Lo part. As
+ // such they can be used for expanding integers and floats.
+
+ void GetExpandedOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi) {
+ if (Op.getValueType().isInteger())
+ GetExpandedInteger(Op, Lo, Hi);
+ else
+ GetExpandedFloat(Op, Lo, Hi);
+ }
+
+ // Generic Result Expansion.
+ void ExpandRes_BIT_CONVERT (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandRes_BUILD_PAIR (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandRes_EXTRACT_VECTOR_ELT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ void ExpandRes_NON_EXTLOAD (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+
+ // Generic Operand Expansion.
+ SDOperand ExpandOp_BIT_CONVERT (SDNode *N);
+ SDOperand ExpandOp_BUILD_VECTOR (SDNode *N);
+ SDOperand ExpandOp_EXTRACT_ELEMENT(SDNode *N);
+ SDOperand ExpandOp_NON_TRUNCStore (SDNode *N, unsigned OpNo);
-public:
- void SanityCheck(SDNode *N);
};
} // end namespace llvm.
projects / oota-llvm.git / blobdiff