namespace llvm {
class AliasAnalysis;
-class DwarfWriter;
-class FunctionLoweringInfo;
class MachineConstantPoolValue;
class MachineFunction;
-class MachineModuleInfo;
+class MDNode;
class SDNodeOrdering;
+class SDDbgValue;
class TargetLowering;
+class TargetSelectionDAGInfo;
template<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> {
private:
static void createNode(const SDNode &);
};
+/// SDDbgInfo - Keeps track of dbg_value information through SDISel. We do
+/// not build SDNodes for these so as not to perturb the generated code;
+/// instead the info is kept off to the side in this structure. Each SDNode may
+/// have one or more associated dbg_value entries. This information is kept in
+/// DbgValMap.
+/// Byval parameters are handled separately because they don't use alloca's,
+/// which busts the normal mechanism. There is good reason for handling all
+/// parameters separately: they may not have code generated for them, they
+/// should always go at the beginning of the function regardless of other code
+/// motion, and debug info for them is potentially useful even if the parameter
+/// is unused. Right now only byval parameters are handled separately.
+class SDDbgInfo {
+ SmallVector<SDDbgValue*, 32> DbgValues;
+ SmallVector<SDDbgValue*, 32> ByvalParmDbgValues;
+ DenseMap<const SDNode*, SmallVector<SDDbgValue*, 2> > DbgValMap;
+
+ void operator=(const SDDbgInfo&); // Do not implement.
+ SDDbgInfo(const SDDbgInfo&); // Do not implement.
+public:
+ SDDbgInfo() {}
+
+ void add(SDDbgValue *V, const SDNode *Node, bool isParameter) {
+ if (isParameter) {
+ ByvalParmDbgValues.push_back(V);
+ } else DbgValues.push_back(V);
+ if (Node)
+ DbgValMap[Node].push_back(V);
+ }
+
+ void clear() {
+ DbgValMap.clear();
+ DbgValues.clear();
+ ByvalParmDbgValues.clear();
+ }
+
+ bool empty() const {
+ return DbgValues.empty() && ByvalParmDbgValues.empty();
+ }
+
+ SmallVector<SDDbgValue*,2> &getSDDbgValues(const SDNode *Node) {
+ return DbgValMap[Node];
+ }
+
+ typedef SmallVector<SDDbgValue*,32>::iterator DbgIterator;
+ DbgIterator DbgBegin() { return DbgValues.begin(); }
+ DbgIterator DbgEnd() { return DbgValues.end(); }
+ DbgIterator ByvalParmDbgBegin() { return ByvalParmDbgValues.begin(); }
+ DbgIterator ByvalParmDbgEnd() { return ByvalParmDbgValues.end(); }
+};
+
enum CombineLevel {
Unrestricted, // Combine may create illegal operations and illegal types.
NoIllegalTypes, // Combine may create illegal operations but no illegal types.
/// linear form.
///
class SelectionDAG {
- TargetLowering &TLI;
+ const TargetMachine &TM;
+ const TargetLowering &TLI;
+ const TargetSelectionDAGInfo &TSI;
MachineFunction *MF;
- FunctionLoweringInfo &FLI;
- MachineModuleInfo *MMI;
- DwarfWriter *DW;
- LLVMContext* Context;
+ LLVMContext *Context;
/// EntryNode - The starting token.
SDNode EntryNode;
/// the ordering of the original LLVM instructions.
SDNodeOrdering *Ordering;
- /// VerifyNode - Sanity check the given node. Aborts if it is invalid.
- void VerifyNode(SDNode *N);
+ /// DbgInfo - Tracks dbg_value information through SDISel.
+ SDDbgInfo *DbgInfo;
/// setGraphColorHelper - Implementation of setSubgraphColor.
/// Return whether we had to truncate the search.
SelectionDAG(const SelectionDAG&); // Do not implement.
public:
- SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli);
+ explicit SelectionDAG(const TargetMachine &TM);
~SelectionDAG();
/// init - Prepare this SelectionDAG to process code in the given
/// MachineFunction.
///
- void init(MachineFunction &mf, MachineModuleInfo *mmi, DwarfWriter *dw);
+ void init(MachineFunction &mf);
/// clear - Clear state and free memory necessary to make this
/// SelectionDAG ready to process a new block.
void clear();
MachineFunction &getMachineFunction() const { return *MF; }
- const TargetMachine &getTarget() const;
- TargetLowering &getTargetLoweringInfo() const { return TLI; }
- FunctionLoweringInfo &getFunctionLoweringInfo() const { return FLI; }
- MachineModuleInfo *getMachineModuleInfo() const { return MMI; }
- DwarfWriter *getDwarfWriter() const { return DW; }
+ const TargetMachine &getTarget() const { return TM; }
+ const TargetLowering &getTargetLoweringInfo() const { return TLI; }
+ const TargetSelectionDAGInfo &getSelectionDAGInfo() const { return TSI; }
LLVMContext *getContext() const {return Context; }
/// viewGraph - Pop up a GraphViz/gv window with the DAG rendered using 'dot'.
SDValue getTargetConstant(const ConstantInt &Val, EVT VT) {
return getConstant(Val, VT, true);
}
+ // The forms below that take a double should only be used for simple
+ // constants that can be exactly represented in VT. No checks are made.
SDValue getConstantFP(double Val, EVT VT, bool isTarget = false);
SDValue getConstantFP(const APFloat& Val, EVT VT, bool isTarget = false);
SDValue getConstantFP(const ConstantFP &CF, EVT VT, bool isTarget = false);
SDValue getTargetConstantFP(const ConstantFP &Val, EVT VT) {
return getConstantFP(Val, VT, true);
}
- SDValue getGlobalAddress(const GlobalValue *GV, EVT VT,
+ SDValue getGlobalAddress(const GlobalValue *GV, DebugLoc DL, EVT VT,
int64_t offset = 0, bool isTargetGA = false,
unsigned char TargetFlags = 0);
- SDValue getTargetGlobalAddress(const GlobalValue *GV, EVT VT,
+ SDValue getTargetGlobalAddress(const GlobalValue *GV, DebugLoc DL, EVT VT,
int64_t offset = 0,
unsigned char TargetFlags = 0) {
- return getGlobalAddress(GV, VT, offset, true, TargetFlags);
+ return getGlobalAddress(GV, DL, VT, offset, true, TargetFlags);
}
SDValue getFrameIndex(int FI, EVT VT, bool isTarget = false);
SDValue getTargetFrameIndex(int FI, EVT VT) {
SDValue getTargetJumpTable(int JTI, EVT VT, unsigned char TargetFlags = 0) {
return getJumpTable(JTI, VT, true, TargetFlags);
}
- SDValue getConstantPool(Constant *C, EVT VT,
+ SDValue getConstantPool(const Constant *C, EVT VT,
unsigned Align = 0, int Offs = 0, bool isT=false,
unsigned char TargetFlags = 0);
- SDValue getTargetConstantPool(Constant *C, EVT VT,
+ SDValue getTargetConstantPool(const Constant *C, EVT VT,
unsigned Align = 0, int Offset = 0,
unsigned char TargetFlags = 0) {
return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
unsigned char TargetFlags = 0);
SDValue getValueType(EVT);
SDValue getRegister(unsigned Reg, EVT VT);
- SDValue getLabel(unsigned Opcode, DebugLoc dl, SDValue Root,
- unsigned LabelID);
- SDValue getBlockAddress(BlockAddress *BA, EVT VT,
+ SDValue getEHLabel(DebugLoc dl, SDValue Root, MCSymbol *Label);
+ SDValue getBlockAddress(const BlockAddress *BA, EVT VT,
bool isTarget = false, unsigned char TargetFlags = 0);
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N) {
}
// This version of the getCopyToReg method takes an extra operand, which
- // indicates that there is potentially an incoming flag value (if Flag is not
- // null) and that there should be a flag result.
+ // indicates that there is potentially an incoming glue value (if Glue is not
+ // null) and that there should be a glue result.
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N,
- SDValue Flag) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
+ SDValue Glue) {
+ SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
+ SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Glue };
+ return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3);
}
// Similar to last getCopyToReg() except parameter Reg is a SDValue
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, SDValue Reg, SDValue N,
- SDValue Flag) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, Reg, N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
+ SDValue Glue) {
+ SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
+ SDValue Ops[] = { Chain, Reg, N, Glue };
+ return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3);
}
SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT) {
}
// This version of the getCopyFromReg method takes an extra operand, which
- // indicates that there is potentially an incoming flag value (if Flag is not
- // null) and that there should be a flag result.
+ // indicates that there is potentially an incoming glue value (if Glue is not
+ // null) and that there should be a glue result.
SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT,
- SDValue Flag) {
- SDVTList VTs = getVTList(VT, MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag };
- return getNode(ISD::CopyFromReg, dl, VTs, Ops, Flag.getNode() ? 3 : 2);
+ SDValue Glue) {
+ SDVTList VTs = getVTList(VT, MVT::Other, MVT::Glue);
+ SDValue Ops[] = { Chain, getRegister(Reg, VT), Glue };
+ return getNode(ISD::CopyFromReg, dl, VTs, Ops, Glue.getNode() ? 3 : 2);
}
SDValue getCondCode(ISD::CondCode Cond);
SDValue getConvertRndSat(EVT VT, DebugLoc dl, SDValue Val, SDValue DTy,
SDValue STy,
SDValue Rnd, SDValue Sat, ISD::CvtCode Code);
-
+
/// getVectorShuffle - Return an ISD::VECTOR_SHUFFLE node. The number of
/// elements in VT, which must be a vector type, must match the number of
/// mask elements NumElts. A integer mask element equal to -1 is treated as
/// undefined.
- SDValue getVectorShuffle(EVT VT, DebugLoc dl, SDValue N1, SDValue N2,
+ SDValue getVectorShuffle(EVT VT, DebugLoc dl, SDValue N1, SDValue N2,
const int *MaskElts);
/// getSExtOrTrunc - Convert Op, which must be of integer type, to the
SDValue getNOT(DebugLoc DL, SDValue Val, EVT VT);
/// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
- /// a flag result (to ensure it's not CSE'd). CALLSEQ_START does not have a
+ /// a glue result (to ensure it's not CSE'd). CALLSEQ_START does not have a
/// useful DebugLoc.
SDValue getCALLSEQ_START(SDValue Chain, SDValue Op) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
+ SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, Op };
- return getNode(ISD::CALLSEQ_START, DebugLoc::getUnknownLoc(),
- VTs, Ops, 2);
+ return getNode(ISD::CALLSEQ_START, DebugLoc(), VTs, Ops, 2);
}
/// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a
- /// flag result (to ensure it's not CSE'd). CALLSEQ_END does not have
+ /// glue result (to ensure it's not CSE'd). CALLSEQ_END does not have
/// a useful DebugLoc.
SDValue getCALLSEQ_END(SDValue Chain, SDValue Op1, SDValue Op2,
- SDValue InFlag) {
- SDVTList NodeTys = getVTList(MVT::Other, MVT::Flag);
+ SDValue InGlue) {
+ SDVTList NodeTys = getVTList(MVT::Other, MVT::Glue);
SmallVector<SDValue, 4> Ops;
Ops.push_back(Chain);
Ops.push_back(Op1);
Ops.push_back(Op2);
- Ops.push_back(InFlag);
- return getNode(ISD::CALLSEQ_END, DebugLoc::getUnknownLoc(), NodeTys,
- &Ops[0],
- (unsigned)Ops.size() - (InFlag.getNode() == 0 ? 1 : 0));
+ Ops.push_back(InGlue);
+ return getNode(ISD::CALLSEQ_END, DebugLoc(), NodeTys, &Ops[0],
+ (unsigned)Ops.size() - (InGlue.getNode() == 0 ? 1 : 0));
}
/// getUNDEF - Return an UNDEF node. UNDEF does not have a useful DebugLoc.
SDValue getUNDEF(EVT VT) {
- return getNode(ISD::UNDEF, DebugLoc::getUnknownLoc(), VT);
+ return getNode(ISD::UNDEF, DebugLoc(), VT);
}
/// getGLOBAL_OFFSET_TABLE - Return a GLOBAL_OFFSET_TABLE node. This does
/// not have a useful DebugLoc.
SDValue getGLOBAL_OFFSET_TABLE(EVT VT) {
- return getNode(ISD::GLOBAL_OFFSET_TABLE, DebugLoc::getUnknownLoc(), VT);
+ return getNode(ISD::GLOBAL_OFFSET_TABLE, DebugLoc(), VT);
}
/// getNode - Gets or creates the specified node.
SDValue getStackArgumentTokenFactor(SDValue Chain);
SDValue getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
- SDValue Size, unsigned Align, bool AlwaysInline,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff);
+ SDValue Size, unsigned Align, bool isVol, bool AlwaysInline,
+ MachinePointerInfo DstPtrInfo,
+ MachinePointerInfo SrcPtrInfo);
SDValue getMemmove(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
- SDValue Size, unsigned Align,
- const Value *DstSV, uint64_t DstOSVff,
- const Value *SrcSV, uint64_t SrcSVOff);
+ SDValue Size, unsigned Align, bool isVol,
+ MachinePointerInfo DstPtrInfo,
+ MachinePointerInfo SrcPtrInfo);
SDValue getMemset(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
- SDValue Size, unsigned Align,
- const Value *DstSV, uint64_t DstSVOff);
+ SDValue Size, unsigned Align, bool isVol,
+ MachinePointerInfo DstPtrInfo);
/// getSetCC - Helper function to make it easier to build SetCC's if you just
/// have an ISD::CondCode instead of an SDValue.
/// getVAArg - VAArg produces a result and token chain, and takes a pointer
/// and a source value as input.
SDValue getVAArg(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
- SDValue SV);
+ SDValue SV, unsigned Align);
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes 3 operands
SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
- SDValue Ptr, SDValue Cmp, SDValue Swp, const Value* PtrVal,
- unsigned Alignment=0);
+ SDValue Ptr, SDValue Cmp, SDValue Swp,
+ MachinePointerInfo PtrInfo, unsigned Alignment=0);
SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp,
MachineMemOperand *MMO);
SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl,
const EVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps,
- EVT MemVT, const Value *srcValue, int SVOff,
+ EVT MemVT, MachinePointerInfo PtrInfo,
unsigned Align = 0, bool Vol = false,
bool ReadMem = true, bool WriteMem = true);
SDValue getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList,
const SDValue *Ops, unsigned NumOps,
- EVT MemVT, const Value *srcValue, int SVOff,
+ EVT MemVT, MachinePointerInfo PtrInfo,
unsigned Align = 0, bool Vol = false,
bool ReadMem = true, bool WriteMem = true);
/// determined by their operands, and they produce a value AND a token chain.
///
SDValue getLoad(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
- const Value *SV, int SVOffset, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
+ MachinePointerInfo PtrInfo, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = 0);
SDValue getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, EVT VT,
- SDValue Chain, SDValue Ptr, const Value *SV,
- int SVOffset, EVT MemVT, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
+ SDValue Chain, SDValue Ptr, MachinePointerInfo PtrInfo,
+ EVT MemVT, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = 0);
SDValue getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base,
- SDValue Offset, ISD::MemIndexedMode AM);
- SDValue getLoad(ISD::MemIndexedMode AM, DebugLoc dl, ISD::LoadExtType ExtType,
- EVT VT, SDValue Chain, SDValue Ptr, SDValue Offset,
- const Value *SV, int SVOffset, EVT MemVT,
- bool isVolatile, bool isNonTemporal, unsigned Alignment);
- SDValue getLoad(ISD::MemIndexedMode AM, DebugLoc dl, ISD::LoadExtType ExtType,
- EVT VT, SDValue Chain, SDValue Ptr, SDValue Offset,
+ SDValue Offset, ISD::MemIndexedMode AM);
+ SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
+ EVT VT, DebugLoc dl,
+ SDValue Chain, SDValue Ptr, SDValue Offset,
+ MachinePointerInfo PtrInfo, EVT MemVT,
+ bool isVolatile, bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = 0);
+ SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
+ EVT VT, DebugLoc dl,
+ SDValue Chain, SDValue Ptr, SDValue Offset,
EVT MemVT, MachineMemOperand *MMO);
/// getStore - Helper function to build ISD::STORE nodes.
///
SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
- const Value *SV, int SVOffset, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
+ MachinePointerInfo PtrInfo, bool isVolatile,
+ bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = 0);
SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
MachineMemOperand *MMO);
SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
- const Value *SV, int SVOffset, EVT TVT,
+ MachinePointerInfo PtrInfo, EVT TVT,
bool isNonTemporal, bool isVolatile,
- unsigned Alignment);
+ unsigned Alignment,
+ const MDNode *TBAAInfo = 0);
SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
EVT TVT, MachineMemOperand *MMO);
SDValue getIndexedStore(SDValue OrigStoe, DebugLoc dl, SDValue Base,
/// getSrcValue - Construct a node to track a Value* through the backend.
SDValue getSrcValue(const Value *v);
+ /// getMDNode - Return an MDNodeSDNode which holds an MDNode.
+ SDValue getMDNode(const MDNode *MD);
+
/// getShiftAmountOperand - Return the specified value casted to
/// the target's desired shift amount type.
- SDValue getShiftAmountOperand(SDValue Op);
+ SDValue getShiftAmountOperand(EVT LHSTy, SDValue Op);
/// UpdateNodeOperands - *Mutate* the specified node in-place to have the
/// specified operands. If the resultant node already exists in the DAG,
/// already exists. If the resultant node does not exist in the DAG, the
/// input node is returned. As a degenerate case, if you specify the same
/// input operands as the node already has, the input node is returned.
- SDValue UpdateNodeOperands(SDValue N, SDValue Op);
- SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2);
- SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDNode *UpdateNodeOperands(SDNode *N, SDValue Op);
+ SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2);
+ SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2,
SDValue Op3);
- SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2,
SDValue Op3, SDValue Op4);
- SDValue UpdateNodeOperands(SDValue N, SDValue Op1, SDValue Op2,
+ SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2,
SDValue Op3, SDValue Op4, SDValue Op5);
- SDValue UpdateNodeOperands(SDValue N,
+ SDNode *UpdateNodeOperands(SDNode *N,
const SDValue *Ops, unsigned NumOps);
/// SelectNodeTo - These are used for target selectors to *mutate* the
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
- /// MorphNodeTo - These *mutate* the specified node to have the specified
+ /// MorphNodeTo - This *mutates* the specified node to have the specified
/// return type, opcode, and operands.
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT, SDValue Op1);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT,
- SDValue Op1, SDValue Op2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT,
- SDValue Op1, SDValue Op2, SDValue Op3);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT,
- const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1, EVT VT2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1,
- EVT VT2, const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1,
- EVT VT2, EVT VT3, const SDValue *Ops, unsigned NumOps);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1,
- EVT VT2, SDValue Op1);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1,
- EVT VT2, SDValue Op1, SDValue Op2);
- SDNode *MorphNodeTo(SDNode *N, unsigned Opc, EVT VT1,
- EVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
SDNode *MorphNodeTo(SDNode *N, unsigned Opc, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
+ /// getDbgValue - Creates a SDDbgValue node.
+ ///
+ SDDbgValue *getDbgValue(MDNode *MDPtr, SDNode *N, unsigned R, uint64_t Off,
+ DebugLoc DL, unsigned O);
+ SDDbgValue *getDbgValue(MDNode *MDPtr, const Value *C, uint64_t Off,
+ DebugLoc DL, unsigned O);
+ SDDbgValue *getDbgValue(MDNode *MDPtr, unsigned FI, uint64_t Off,
+ DebugLoc DL, unsigned O);
+
/// DAGUpdateListener - Clients of various APIs that cause global effects on
/// the DAG can optionally implement this interface. This allows the clients
/// to handle the various sorts of updates that happen.
/// GetOrdering - Get the order for the SDNode.
unsigned GetOrdering(const SDNode *SD) const;
+ /// AddDbgValue - Add a dbg_value SDNode. If SD is non-null that means the
+ /// value is produced by SD.
+ void AddDbgValue(SDDbgValue *DB, SDNode *SD, bool isParameter);
+
+ /// GetDbgValues - Get the debug values which reference the given SDNode.
+ SmallVector<SDDbgValue*,2> &GetDbgValues(const SDNode* SD) {
+ return DbgInfo->getSDDbgValues(SD);
+ }
+
+ /// TransferDbgValues - Transfer SDDbgValues.
+ void TransferDbgValues(SDValue From, SDValue To);
+
+ /// hasDebugValues - Return true if there are any SDDbgValue nodes associated
+ /// with this SelectionDAG.
+ bool hasDebugValues() const { return !DbgInfo->empty(); }
+
+ SDDbgInfo::DbgIterator DbgBegin() { return DbgInfo->DbgBegin(); }
+ SDDbgInfo::DbgIterator DbgEnd() { return DbgInfo->DbgEnd(); }
+ SDDbgInfo::DbgIterator ByvalParmDbgBegin() {
+ return DbgInfo->ByvalParmDbgBegin();
+ }
+ SDDbgInfo::DbgIterator ByvalParmDbgEnd() {
+ return DbgInfo->ByvalParmDbgEnd();
+ }
+
void dump() const;
/// CreateStackTemporary - Create a stack temporary, suitable for holding the
/// class to allow target nodes to be understood.
unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const;
+ /// isBaseWithConstantOffset - Return true if the specified operand is an
+ /// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an
+ /// ISD::OR with a ConstantSDNode that is guaranteed to have the same
+ /// semantics as an ADD. This handles the equivalence:
+ /// X|Cst == X+Cst iff X&Cst = 0.
+ bool isBaseWithConstantOffset(SDValue Op) const;
+
/// isKnownNeverNan - Test whether the given SDValue is known to never be NaN.
bool isKnownNeverNaN(SDValue Op) const;
+ /// isKnownNeverZero - Test whether the given SDValue is known to never be
+ /// positive or negative Zero.
+ bool isKnownNeverZero(SDValue Op) const;
+
+ /// isEqualTo - Test whether two SDValues are known to compare equal. This
+ /// is true if they are the same value, or if one is negative zero and the
+ /// other positive zero.
+ bool isEqualTo(SDValue A, SDValue B) const;
+
/// isVerifiedDebugInfoDesc - Returns true if the specified SDValue has
/// been verified as a debug information descriptor.
bool isVerifiedDebugInfoDesc(SDValue Op) const;
- /// getShuffleScalarElt - Returns the scalar element that will make up the ith
- /// element of the result of the vector shuffle.
- SDValue getShuffleScalarElt(const ShuffleVectorSDNode *N, unsigned Idx);
-
/// UnrollVectorOp - Utility function used by legalize and lowering to
/// "unroll" a vector operation by splitting out the scalars and operating
/// on each element individually. If the ResNE is 0, fully unroll the vector
/// vector op and fill the end of the resulting vector with UNDEFS.
SDValue UnrollVectorOp(SDNode *N, unsigned ResNE = 0);
- /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a
- /// location that is 'Dist' units away from the location that the 'Base' load
+ /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a
+ /// location that is 'Dist' units away from the location that the 'Base' load
/// is loading from.
bool isConsecutiveLoad(LoadSDNode *LD, LoadSDNode *Base,
unsigned Bytes, int Dist) const;
std::vector<SDNode*> ValueTypeNodes;
std::map<EVT, SDNode*, EVT::compareRawBits> ExtendedValueTypeNodes;
StringMap<SDNode*> ExternalSymbols;
-
+
std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
};
projects / oota-llvm.git / blobdiff