//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
class VISIBILITY_HIDDEN DAGTypeLegalizer {
TargetLowering &TLI;
SelectionDAG &DAG;
-
+public:
// NodeIDFlags - This pass uses the NodeID on the SDNodes to hold information
// about the state of the node. The enum has all the values.
enum NodeIDFlags {
// 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.
return getTypeAction(VT) == Legal;
}
- SDOperand getIntPtrConstant(uint64_t Val) {
- return DAG.getConstant(Val, TLI.getPointerTy());
- }
-
/// PromotedNodes - For nodes that are below legal width, this map indicates
/// what promoted value to use.
DenseMap<SDOperand, SDOperand> PromotedNodes;
/// ScalarizedNodes - For nodes that are <1 x ty>, this map indicates the
/// scalar value of type 'ty' to use.
DenseMap<SDOperand, SDOperand> ScalarizedNodes;
+
+ /// SplitNodes - For nodes that need to be split this map indicates
+ /// which operands are the expanded version of the input.
+ DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > SplitNodes;
/// ReplacedNodes - For nodes that have been replaced with another,
/// indicates the replacement node to use.
void run();
+ /// ReanalyzeNodeFlags - Recompute the NodeID flags for the specified node,
+ /// adding it to the worklist if ready.
+ void ReanalyzeNodeFlags(SDNode *N) {
+ N->setNodeId(NewNode);
+ MarkNewNodes(N);
+ }
+
private:
void MarkNewNodes(SDNode *N);
void RemapNode(SDOperand &N);
+ // Common routines.
+ SDOperand CreateStackStoreLoad(SDOperand Op, MVT::ValueType DestVT);
+ SDOperand HandleMemIntrinsic(SDNode *N);
+ void SplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
+
+ //===--------------------------------------------------------------------===//
+ // Promotion Support: LegalizeTypesPromote.cpp
+ //===--------------------------------------------------------------------===//
+
SDOperand GetPromotedOp(SDOperand Op) {
SDOperand &PromotedOp = PromotedNodes[Op];
RemapNode(PromotedOp);
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) {
Op = GetPromotedOp(Op);
return DAG.getZeroExtendInReg(Op, OldVT);
}
-
- void GetExpandedOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
- void SetExpandedOp(SDOperand Op, SDOperand Lo, SDOperand Hi);
-
- SDOperand GetScalarizedOp(SDOperand Op) {
- SDOperand &ScalarOp = ScalarizedNodes[Op];
- RemapNode(ScalarOp);
- assert(ScalarOp.Val && "Operand wasn't scalarized?");
- return ScalarOp;
- }
- void SetScalarizedOp(SDOperand Op, SDOperand Result);
-
- // Common routines.
- SDOperand CreateStackStoreLoad(SDOperand Op, MVT::ValueType DestVT);
- SDOperand HandleMemIntrinsic(SDNode *N);
- void SplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi);
-
+
// Result Promotion.
void PromoteResult(SDNode *N, unsigned ResNo);
- SDOperand PromoteResult_UNDEF(SDNode *N);
SDOperand PromoteResult_Constant(SDNode *N);
- SDOperand PromoteResult_TRUNCATE(SDNode *N);
- SDOperand PromoteResult_INT_EXTEND(SDNode *N);
+ SDOperand PromoteResult_CTLZ(SDNode *N);
+ SDOperand PromoteResult_CTPOP(SDNode *N);
+ SDOperand PromoteResult_CTTZ(SDNode *N);
SDOperand PromoteResult_FP_ROUND(SDNode *N);
SDOperand PromoteResult_FP_TO_XINT(SDNode *N);
- SDOperand PromoteResult_SETCC(SDNode *N);
+ SDOperand PromoteResult_INT_EXTEND(SDNode *N);
SDOperand PromoteResult_LOAD(LoadSDNode *N);
- SDOperand PromoteResult_SimpleIntBinOp(SDNode *N);
SDOperand PromoteResult_SDIV(SDNode *N);
- SDOperand PromoteResult_UDIV(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_SELECT (SDNode *N);
- SDOperand PromoteResult_SELECT_CC(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_BR_CC(SDNode *N, unsigned OpNo);
+ SDOperand PromoteOperand_BRCOND(SDNode *N, unsigned OpNo);
+ SDOperand PromoteOperand_FP_EXTEND(SDNode *N);
+ SDOperand PromoteOperand_FP_ROUND(SDNode *N);
+ SDOperand PromoteOperand_INT_TO_FP(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);
+
+ void PromoteSetCCOperands(SDOperand &LHS,SDOperand &RHS, ISD::CondCode Code);
+
+ //===--------------------------------------------------------------------===//
+ // Expansion Support: LegalizeTypesExpand.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_UNDEF (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_Constant (SDNode *N, SDOperand &Lo, SDOperand &Hi);
+ 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_LOAD (LoadSDNode *N, SDOperand &Lo, SDOperand &Hi);
void ExpandResult_MERGE_VALUES(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ANY_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_ZERO_EXTEND(SDNode *N, SDOperand &Lo, SDOperand &Hi);
void ExpandResult_SIGN_EXTEND(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_BIT_CONVERT(SDNode *N, SDOperand &Lo, SDOperand &Hi);
void ExpandResult_SIGN_EXTEND_INREG(SDNode *N, SDOperand &Lo, SDOperand &Hi);
- void ExpandResult_LOAD (LoadSDNode *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_Logical (SDNode *N, SDOperand &Lo, SDOperand &Hi);
void ExpandResult_BSWAP (SDNode *N, SDOperand &Lo, SDOperand &Hi);
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_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);
+
+ void ExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS,
+ ISD::CondCode &CCCode);
+
+ //===--------------------------------------------------------------------===//
+ // Scalarization Support: LegalizeTypesScalarize.cpp
+ //===--------------------------------------------------------------------===//
+
+ SDOperand GetScalarizedOp(SDOperand Op) {
+ SDOperand &ScalarOp = ScalarizedNodes[Op];
+ RemapNode(ScalarOp);
+ assert(ScalarOp.Val && "Operand wasn't scalarized?");
+ return ScalarOp;
+ }
+ void SetScalarizedOp(SDOperand Op, SDOperand Result);
+
// Result Vector Scalarization: <1 x ty> -> ty.
void ScalarizeResult(SDNode *N, unsigned OpNo);
SDOperand ScalarizeRes_UNDEF(SDNode *N);
SDOperand ScalarizeRes_BIT_CONVERT(SDNode *N);
SDOperand ScalarizeRes_SELECT(SDNode *N);
- // Operand Promotion.
- bool PromoteOperand(SDNode *N, unsigned OperandNo);
- SDOperand PromoteOperand_ANY_EXTEND(SDNode *N);
- SDOperand PromoteOperand_ZERO_EXTEND(SDNode *N);
- SDOperand PromoteOperand_SIGN_EXTEND(SDNode *N);
- SDOperand PromoteOperand_TRUNCATE(SDNode *N);
- SDOperand PromoteOperand_FP_EXTEND(SDNode *N);
- SDOperand PromoteOperand_FP_ROUND(SDNode *N);
- SDOperand PromoteOperand_INT_TO_FP(SDNode *N);
- SDOperand PromoteOperand_SELECT(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_BRCOND(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_BR_CC(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_SETCC(SDNode *N, unsigned OpNo);
- SDOperand PromoteOperand_STORE(StoreSDNode *N, unsigned OpNo);
+ // Operand Vector Scalarization: <1 x ty> -> ty.
+ bool ScalarizeOperand(SDNode *N, unsigned OpNo);
+ SDOperand ScalarizeOp_EXTRACT_VECTOR_ELT(SDNode *N);
+ SDOperand ScalarizeOp_STORE(StoreSDNode *N, unsigned OpNo);
- void PromoteSetCCOperands(SDOperand &LHS,SDOperand &RHS, ISD::CondCode Code);
+ //===--------------------------------------------------------------------===//
+ // Vector Splitting Support: LegalizeTypesSplit.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 SplitResult(SDNode *N, unsigned OpNo);
- // Operand Expansion.
- bool ExpandOperand(SDNode *N, unsigned OperandNo);
- SDOperand ExpandOperand_TRUNCATE(SDNode *N);
- SDOperand ExpandOperand_BIT_CONVERT(SDNode *N);
- SDOperand ExpandOperand_UINT_TO_FP(SDOperand Source, MVT::ValueType DestTy);
- SDOperand ExpandOperand_SINT_TO_FP(SDOperand Source, MVT::ValueType DestTy);
- SDOperand ExpandOperand_EXTRACT_ELEMENT(SDNode *N);
- SDOperand ExpandOperand_SETCC(SDNode *N);
- SDOperand ExpandOperand_STORE(StoreSDNode *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 ExpandSetCCOperands(SDOperand &NewLHS, SDOperand &NewRHS,
- ISD::CondCode &CCCode);
+ 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 Scalarization: <1 x ty> -> ty.
- bool ScalarizeOperand(SDNode *N, unsigned OpNo);
- SDOperand ScalarizeOp_EXTRACT_VECTOR_ELT(SDNode *N, unsigned OpNo);
+ // Operand Vector Scalarization: <128 x ty> -> 2 x <64 x ty>.
+ bool SplitOperand(SDNode *N, unsigned OpNo);
+ SDOperand SplitOp_EXTRACT_SUBVECTOR(SDNode *N);
+ SDOperand SplitOp_RET(SDNode *N, unsigned OpNo);
+ SDOperand SplitOp_STORE(StoreSDNode *N, unsigned OpNo);
};
} // end namespace llvm.
projects / oota-llvm.git / blobdiff