/// involves promoting small sizes to large sizes or splitting up large values
/// into small values.
///
-class VISIBILITY_HIDDEN DAGTypeLegalizer {
- TargetLowering &TLI;
+class LLVM_LIBRARY_VISIBILITY DAGTypeLegalizer {
+ const TargetLowering &TLI;
SelectionDAG &DAG;
public:
// NodeIdFlags - This pass uses the NodeId on the SDNodes to hold information
/// getTypeAction - Return how we should legalize values of this type.
LegalizeAction getTypeAction(EVT VT) const {
- switch (ValueTypeActions.getTypeAction(*DAG.getContext(), VT)) {
+ switch (ValueTypeActions.getTypeAction(VT)) {
default:
assert(false && "Unknown legalize action!");
case TargetLowering::Legal:
// 2) For vectors, use a wider vector type (e.g. v3i32 -> v4i32).
if (!VT.isVector())
return PromoteInteger;
- else
- return WidenVector;
+ return WidenVector;
case TargetLowering::Expand:
// Expand can mean
// 1) split scalar in half, 2) convert a float to an integer,
if (!VT.isVector()) {
if (VT.isInteger())
return ExpandInteger;
- else if (VT.getSizeInBits() ==
- TLI.getTypeToTransformTo(*DAG.getContext(), VT).getSizeInBits())
+ if (VT.getSizeInBits() ==
+ TLI.getTypeToTransformTo(*DAG.getContext(), VT).getSizeInBits())
return SoftenFloat;
- else
- return ExpandFloat;
- } else if (VT.getVectorNumElements() == 1) {
- return ScalarizeVector;
- } else {
- return SplitVector;
+ return ExpandFloat;
}
+
+ if (VT.getVectorNumElements() == 1)
+ return ScalarizeVector;
+ return SplitVector;
}
}
/// isTypeLegal - Return true if this type is legal on this target.
bool isTypeLegal(EVT VT) const {
- return (ValueTypeActions.getTypeAction(*DAG.getContext(), VT) ==
- TargetLowering::Legal);
+ return ValueTypeActions.getTypeAction(VT) == TargetLowering::Legal;
}
/// IgnoreNodeResults - Pretend all of this node's results are legal.
SDValue BitConvertVectorToIntegerVector(SDValue Op);
SDValue CreateStackStoreLoad(SDValue Op, EVT DestVT);
bool CustomLowerNode(SDNode *N, EVT VT, bool LegalizeResult);
+ bool CustomWidenLowerNode(SDNode *N, EVT VT);
SDValue GetVectorElementPointer(SDValue VecPtr, EVT EltVT, SDValue Index);
SDValue JoinIntegers(SDValue Lo, SDValue Hi);
SDValue LibCallify(RTLIB::Libcall LC, SDNode *N, bool isSigned);
SDValue MakeLibCall(RTLIB::Libcall LC, EVT RetVT,
const SDValue *Ops, unsigned NumOps, bool isSigned,
DebugLoc dl);
+ std::pair<SDValue, SDValue> ExpandChainLibCall(RTLIB::Libcall LC,
+ SDNode *Node, bool isSigned);
+ std::pair<SDValue, SDValue> ExpandAtomic(SDNode *Node);
+
SDValue PromoteTargetBoolean(SDValue Bool, EVT VT);
void ReplaceValueWith(SDValue From, SDValue To);
- void ReplaceValueWithHelper(SDValue From, SDValue To);
void SplitInteger(SDValue Op, SDValue &Lo, SDValue &Hi);
void SplitInteger(SDValue Op, EVT LoVT, EVT HiVT,
SDValue &Lo, SDValue &Hi);
SDValue PromoteIntRes_AssertZext(SDNode *N);
SDValue PromoteIntRes_Atomic1(AtomicSDNode *N);
SDValue PromoteIntRes_Atomic2(AtomicSDNode *N);
- SDValue PromoteIntRes_BIT_CONVERT(SDNode *N);
+ SDValue PromoteIntRes_BITCAST(SDNode *N);
SDValue PromoteIntRes_BSWAP(SDNode *N);
SDValue PromoteIntRes_BUILD_PAIR(SDNode *N);
SDValue PromoteIntRes_Constant(SDNode *N);
SDValue PromoteIntRes_CTTZ(SDNode *N);
SDValue PromoteIntRes_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue PromoteIntRes_FP_TO_XINT(SDNode *N);
+ SDValue PromoteIntRes_FP32_TO_FP16(SDNode *N);
SDValue PromoteIntRes_INT_EXTEND(SDNode *N);
SDValue PromoteIntRes_LOAD(LoadSDNode *N);
SDValue PromoteIntRes_Overflow(SDNode *N);
// Integer Operand Promotion.
bool PromoteIntegerOperand(SDNode *N, unsigned OperandNo);
SDValue PromoteIntOp_ANY_EXTEND(SDNode *N);
- SDValue PromoteIntOp_BIT_CONVERT(SDNode *N);
+ SDValue PromoteIntOp_BITCAST(SDNode *N);
SDValue PromoteIntOp_BUILD_PAIR(SDNode *N);
SDValue PromoteIntOp_BR_CC(SDNode *N, unsigned OpNo);
SDValue PromoteIntOp_BRCOND(SDNode *N, unsigned OpNo);
void ExpandIntRes_UREM (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandIntRes_Shift (SDNode *N, SDValue &Lo, SDValue &Hi);
+ void ExpandIntRes_SADDSUBO (SDNode *N, SDValue &Lo, SDValue &Hi);
+ void ExpandIntRes_UADDSUBO (SDNode *N, SDValue &Lo, SDValue &Hi);
+
void ExpandShiftByConstant(SDNode *N, unsigned Amt,
SDValue &Lo, SDValue &Hi);
bool ExpandShiftWithKnownAmountBit(SDNode *N, SDValue &Lo, SDValue &Hi);
// Integer Operand Expansion.
bool ExpandIntegerOperand(SDNode *N, unsigned OperandNo);
- SDValue ExpandIntOp_BIT_CONVERT(SDNode *N);
+ SDValue ExpandIntOp_BITCAST(SDNode *N);
SDValue ExpandIntOp_BR_CC(SDNode *N);
SDValue ExpandIntOp_BUILD_VECTOR(SDNode *N);
SDValue ExpandIntOp_EXTRACT_ELEMENT(SDNode *N);
SDValue ExpandIntOp_STORE(StoreSDNode *N, unsigned OpNo);
SDValue ExpandIntOp_TRUNCATE(SDNode *N);
SDValue ExpandIntOp_UINT_TO_FP(SDNode *N);
+ SDValue ExpandIntOp_RETURNADDR(SDNode *N);
void IntegerExpandSetCCOperands(SDValue &NewLHS, SDValue &NewRHS,
ISD::CondCode &CCCode, DebugLoc dl);
// Result Float to Integer Conversion.
void SoftenFloatResult(SDNode *N, unsigned OpNo);
- SDValue SoftenFloatRes_BIT_CONVERT(SDNode *N);
+ SDValue SoftenFloatRes_BITCAST(SDNode *N);
SDValue SoftenFloatRes_BUILD_PAIR(SDNode *N);
SDValue SoftenFloatRes_ConstantFP(ConstantFPSDNode *N);
SDValue SoftenFloatRes_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue SoftenFloatRes_FNEARBYINT(SDNode *N);
SDValue SoftenFloatRes_FNEG(SDNode *N);
SDValue SoftenFloatRes_FP_EXTEND(SDNode *N);
+ SDValue SoftenFloatRes_FP16_TO_FP32(SDNode *N);
SDValue SoftenFloatRes_FP_ROUND(SDNode *N);
SDValue SoftenFloatRes_FPOW(SDNode *N);
SDValue SoftenFloatRes_FPOWI(SDNode *N);
// Operand Float to Integer Conversion.
bool SoftenFloatOperand(SDNode *N, unsigned OpNo);
- SDValue SoftenFloatOp_BIT_CONVERT(SDNode *N);
+ SDValue SoftenFloatOp_BITCAST(SDNode *N);
SDValue SoftenFloatOp_BR_CC(SDNode *N);
SDValue SoftenFloatOp_FP_ROUND(SDNode *N);
SDValue SoftenFloatOp_FP_TO_SINT(SDNode *N);
SDValue SoftenFloatOp_FP_TO_UINT(SDNode *N);
+ SDValue SoftenFloatOp_FP32_TO_FP16(SDNode *N);
SDValue SoftenFloatOp_SELECT_CC(SDNode *N);
SDValue SoftenFloatOp_SETCC(SDNode *N);
SDValue SoftenFloatOp_STORE(SDNode *N, unsigned OpNo);
void ExpandFloatRes_FABS (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandFloatRes_FADD (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandFloatRes_FCEIL (SDNode *N, SDValue &Lo, SDValue &Hi);
+ void ExpandFloatRes_FCOPYSIGN (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandFloatRes_FCOS (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandFloatRes_FDIV (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandFloatRes_FEXP (SDNode *N, SDValue &Lo, SDValue &Hi);
void ScalarizeVectorResult(SDNode *N, unsigned OpNo);
SDValue ScalarizeVecRes_BinOp(SDNode *N);
SDValue ScalarizeVecRes_UnaryOp(SDNode *N);
+ SDValue ScalarizeVecRes_InregOp(SDNode *N);
- SDValue ScalarizeVecRes_BIT_CONVERT(SDNode *N);
+ SDValue ScalarizeVecRes_BITCAST(SDNode *N);
SDValue ScalarizeVecRes_CONVERT_RNDSAT(SDNode *N);
SDValue ScalarizeVecRes_EXTRACT_SUBVECTOR(SDNode *N);
SDValue ScalarizeVecRes_FPOWI(SDNode *N);
SDValue ScalarizeVecRes_INSERT_VECTOR_ELT(SDNode *N);
SDValue ScalarizeVecRes_LOAD(LoadSDNode *N);
SDValue ScalarizeVecRes_SCALAR_TO_VECTOR(SDNode *N);
+ SDValue ScalarizeVecRes_SIGN_EXTEND_INREG(SDNode *N);
SDValue ScalarizeVecRes_SELECT(SDNode *N);
SDValue ScalarizeVecRes_SELECT_CC(SDNode *N);
SDValue ScalarizeVecRes_SETCC(SDNode *N);
// Vector Operand Scalarization: <1 x ty> -> ty.
bool ScalarizeVectorOperand(SDNode *N, unsigned OpNo);
- SDValue ScalarizeVecOp_BIT_CONVERT(SDNode *N);
+ SDValue ScalarizeVecOp_BITCAST(SDNode *N);
SDValue ScalarizeVecOp_CONCAT_VECTORS(SDNode *N);
SDValue ScalarizeVecOp_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue ScalarizeVecOp_STORE(StoreSDNode *N, unsigned OpNo);
void SplitVectorResult(SDNode *N, unsigned OpNo);
void SplitVecRes_BinOp(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_UnaryOp(SDNode *N, SDValue &Lo, SDValue &Hi);
+ void SplitVecRes_InregOp(SDNode *N, SDValue &Lo, SDValue &Hi);
- void SplitVecRes_BIT_CONVERT(SDNode *N, SDValue &Lo, SDValue &Hi);
+ void SplitVecRes_BITCAST(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_BUILD_PAIR(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_BUILD_VECTOR(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_CONCAT_VECTORS(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_INSERT_VECTOR_ELT(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_LOAD(LoadSDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_SCALAR_TO_VECTOR(SDNode *N, SDValue &Lo, SDValue &Hi);
+ void SplitVecRes_SIGN_EXTEND_INREG(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_SETCC(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_UNDEF(SDNode *N, SDValue &Lo, SDValue &Hi);
void SplitVecRes_VECTOR_SHUFFLE(ShuffleVectorSDNode *N, SDValue &Lo,
bool SplitVectorOperand(SDNode *N, unsigned OpNo);
SDValue SplitVecOp_UnaryOp(SDNode *N);
- SDValue SplitVecOp_BIT_CONVERT(SDNode *N);
+ SDValue SplitVecOp_BITCAST(SDNode *N);
SDValue SplitVecOp_EXTRACT_SUBVECTOR(SDNode *N);
SDValue SplitVecOp_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue SplitVecOp_STORE(StoreSDNode *N, unsigned OpNo);
+ SDValue SplitVecOp_CONCAT_VECTORS(SDNode *N);
+ SDValue SplitVecOp_FP_ROUND(SDNode *N);
//===--------------------------------------------------------------------===//
// Vector Widening Support: LegalizeVectorTypes.cpp
// Widen Vector Result Promotion.
void WidenVectorResult(SDNode *N, unsigned ResNo);
- SDValue WidenVecRes_BIT_CONVERT(SDNode* N);
+ SDValue WidenVecRes_BITCAST(SDNode* N);
SDValue WidenVecRes_BUILD_VECTOR(SDNode* N);
SDValue WidenVecRes_CONCAT_VECTORS(SDNode* N);
SDValue WidenVecRes_CONVERT_RNDSAT(SDNode* N);
SDValue WidenVecRes_INSERT_VECTOR_ELT(SDNode* N);
SDValue WidenVecRes_LOAD(SDNode* N);
SDValue WidenVecRes_SCALAR_TO_VECTOR(SDNode* N);
+ SDValue WidenVecRes_SIGN_EXTEND_INREG(SDNode* N);
SDValue WidenVecRes_SELECT(SDNode* N);
SDValue WidenVecRes_SELECT_CC(SDNode* N);
+ SDValue WidenVecRes_SETCC(SDNode* N);
SDValue WidenVecRes_UNDEF(SDNode *N);
SDValue WidenVecRes_VECTOR_SHUFFLE(ShuffleVectorSDNode *N);
SDValue WidenVecRes_VSETCC(SDNode* N);
SDValue WidenVecRes_Binary(SDNode *N);
SDValue WidenVecRes_Convert(SDNode *N);
+ SDValue WidenVecRes_POWI(SDNode *N);
SDValue WidenVecRes_Shift(SDNode *N);
SDValue WidenVecRes_Unary(SDNode *N);
+ SDValue WidenVecRes_InregOp(SDNode *N);
// Widen Vector Operand.
bool WidenVectorOperand(SDNode *N, unsigned ResNo);
- SDValue WidenVecOp_BIT_CONVERT(SDNode *N);
+ SDValue WidenVecOp_BITCAST(SDNode *N);
SDValue WidenVecOp_CONCAT_VECTORS(SDNode *N);
SDValue WidenVecOp_EXTRACT_VECTOR_ELT(SDNode *N);
SDValue WidenVecOp_EXTRACT_SUBVECTOR(SDNode *N);
// Vector Widening Utilities Support: LegalizeVectorTypes.cpp
//===--------------------------------------------------------------------===//
- /// Helper genWidenVectorLoads - Helper function to generate a set of
+ /// Helper GenWidenVectorLoads - Helper function to generate a set of
/// loads to load a vector with a resulting wider type. It takes
- /// ExtType: Extension type
- /// LdChain: list of chains for the load we have generated.
- /// Chain: incoming chain for the ld vector.
- /// BasePtr: base pointer to load from.
- /// SV: memory disambiguation source value.
- /// SVOffset: memory disambiugation offset.
- /// Alignment: alignment of the memory.
- /// isVolatile: volatile load.
- /// LdWidth: width of memory that we want to load.
- /// ResType: the wider result result type for the resulting vector.
- /// dl: DebugLoc to be applied to new nodes
- SDValue GenWidenVectorLoads(SmallVector<SDValue, 16>& LdChain, SDValue Chain,
- SDValue BasePtr, const Value *SV,
- int SVOffset, unsigned Alignment,
- bool isVolatile, unsigned LdWidth,
- EVT ResType, DebugLoc dl);
+ /// LdChain: list of chains for the load to be generated.
+ /// Ld: load to widen
+ SDValue GenWidenVectorLoads(SmallVector<SDValue, 16>& LdChain,
+ LoadSDNode *LD);
+
+ /// GenWidenVectorExtLoads - Helper function to generate a set of extension
+ /// loads to load a ector with a resulting wider type. It takes
+ /// LdChain: list of chains for the load to be generated.
+ /// Ld: load to widen
+ /// ExtType: extension element type
+ SDValue GenWidenVectorExtLoads(SmallVector<SDValue, 16>& LdChain,
+ LoadSDNode *LD, ISD::LoadExtType ExtType);
/// Helper genWidenVectorStores - Helper function to generate a set of
/// stores to store a widen vector into non widen memory
- /// It takes
/// StChain: list of chains for the stores we have generated
- /// Chain: incoming chain for the ld vector
- /// BasePtr: base pointer to load from
- /// SV: memory disambiguation source value
- /// SVOffset: memory disambiugation offset
- /// Alignment: alignment of the memory
- /// isVolatile: volatile lod
- /// ValOp: value to store
- /// StWidth: width of memory that we want to store
- /// dl: DebugLoc to be applied to new nodes
- void GenWidenVectorStores(SmallVector<SDValue, 16>& StChain, SDValue Chain,
- SDValue BasePtr, const Value *SV,
- int SVOffset, unsigned Alignment,
- bool isVolatile, SDValue ValOp,
- unsigned StWidth, DebugLoc dl);
+ /// ST: store of a widen value
+ void GenWidenVectorStores(SmallVector<SDValue, 16>& StChain, StoreSDNode *ST);
+
+ /// Helper genWidenVectorTruncStores - Helper function to generate a set of
+ /// stores to store a truncate widen vector into non widen memory
+ /// StChain: list of chains for the stores we have generated
+ /// ST: store of a widen value
+ void GenWidenVectorTruncStores(SmallVector<SDValue, 16>& StChain,
+ StoreSDNode *ST);
/// Modifies a vector input (widen or narrows) to a vector of NVT. The
/// input vector must have the same element type as NVT.
}
// Generic Result Expansion.
- void ExpandRes_BIT_CONVERT (SDNode *N, SDValue &Lo, SDValue &Hi);
+ void ExpandRes_BITCAST (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandRes_BUILD_PAIR (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandRes_EXTRACT_ELEMENT (SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandRes_EXTRACT_VECTOR_ELT(SDNode *N, SDValue &Lo, SDValue &Hi);
void ExpandRes_VAARG (SDNode *N, SDValue &Lo, SDValue &Hi);
// Generic Operand Expansion.
- SDValue ExpandOp_BIT_CONVERT (SDNode *N);
+ SDValue ExpandOp_BITCAST (SDNode *N);
SDValue ExpandOp_BUILD_VECTOR (SDNode *N);
SDValue ExpandOp_EXTRACT_ELEMENT (SDNode *N);
SDValue ExpandOp_INSERT_VECTOR_ELT(SDNode *N);
projects / oota-llvm.git / blobdiff