#include "llvm/ADT/ilist.h"
#include "llvm/ADT/DenseSet.h"
-#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
-
+#include "llvm/Target/TargetMachine.h"
#include <cassert>
#include <vector>
#include <map>
class AliasAnalysis;
class TargetLowering;
-class TargetMachine;
class MachineModuleInfo;
class DwarfWriter;
class MachineFunction;
template<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> {
private:
- mutable SDNode Sentinel;
+ mutable ilist_node<SDNode> Sentinel;
public:
- ilist_traits() : Sentinel(ISD::DELETED_NODE, DebugLoc::getUnknownLoc(),
- SDVTList()) {}
-
SDNode *createSentinel() const {
- return &Sentinel;
+ return static_cast<SDNode*>(&Sentinel);
}
static void destroySentinel(SDNode *) {}
+ SDNode *provideInitialHead() const { return createSentinel(); }
+ SDNode *ensureHead(SDNode*) const { return createSentinel(); }
+ static void noteHead(SDNode*, SDNode*) {}
+
static void deleteNode(SDNode *) {
assert(0 && "ilist_traits<SDNode> shouldn't see a deleteNode call!");
}
FunctionLoweringInfo &FLI;
MachineModuleInfo *MMI;
DwarfWriter *DW;
+ LLVMContext* Context;
/// EntryNode - The starting token.
SDNode EntryNode;
/// setGraphColorHelper - Implementation of setSubgraphColor.
/// Return whether we had to truncate the search.
///
- bool setSubgraphColorHelper(SDNode *N, const char *Color, DenseSet<SDNode *> &visited,
+ bool setSubgraphColorHelper(SDNode *N, const char *Color,
+ DenseSet<SDNode *> &visited,
int level, bool &printed);
public:
FunctionLoweringInfo &getFunctionLoweringInfo() const { return FLI; }
MachineModuleInfo *getMachineModuleInfo() const { return MMI; }
DwarfWriter *getDwarfWriter() const { return DW; }
+ LLVMContext *getContext() const {return Context; }
/// viewGraph - Pop up a GraphViz/gv window with the DAG rendered using 'dot'.
///
/// certain types of nodes together, or eliminating superfluous nodes. The
/// Level argument controls whether Combine is allowed to produce nodes and
/// types that are illegal on the target.
- void Combine(CombineLevel Level, AliasAnalysis &AA, bool Fast);
+ void Combine(CombineLevel Level, AliasAnalysis &AA,
+ CodeGenOpt::Level OptLevel);
/// LegalizeTypes - This transforms the SelectionDAG into a SelectionDAG that
/// only uses types natively supported by the target. Returns "true" if it
///
/// Note that this is an involved process that may invalidate pointers into
/// the graph.
- void Legalize(bool TypesNeedLegalizing);
+ void Legalize(bool TypesNeedLegalizing, CodeGenOpt::Level OptLevel);
+
+ /// LegalizeVectors - This transforms the SelectionDAG into a SelectionDAG
+ /// that only uses vector math operations supported by the target. This is
+ /// necessary as a separate step from Legalize because unrolling a vector
+ /// operation can introduce illegal types, which requires running
+ /// LegalizeTypes again.
+ ///
+ /// This returns true if it made any changes; in that case, LegalizeTypes
+ /// is called again before Legalize.
+ ///
+ /// Note that this is an involved process that may invalidate pointers into
+ /// the graph.
+ bool LegalizeVectors();
/// RemoveDeadNodes - This method deletes all unreachable nodes in the
/// SelectionDAG.
SDVTList getVTList(MVT VT1, MVT VT2, MVT VT3, MVT VT4);
SDVTList getVTList(const MVT *VTs, unsigned NumVTs);
- /// getNodeValueTypes - These are obsolete, use getVTList instead.
- const MVT *getNodeValueTypes(MVT VT) {
- return getVTList(VT).VTs;
- }
- const MVT *getNodeValueTypes(MVT VT1, MVT VT2) {
- return getVTList(VT1, VT2).VTs;
- }
- const MVT *getNodeValueTypes(MVT VT1, MVT VT2, MVT VT3) {
- return getVTList(VT1, VT2, VT3).VTs;
- }
- const MVT *getNodeValueTypes(MVT VT1, MVT VT2, MVT VT3, MVT VT4) {
- return getVTList(VT1, VT2, VT3, VT4).VTs;
- }
- const MVT *getNodeValueTypes(const std::vector<MVT> &vtList) {
- return getVTList(&vtList[0], (unsigned)vtList.size()).VTs;
- }
-
-
//===--------------------------------------------------------------------===//
// Node creation methods.
//
return getConstantFP(Val, VT, true);
}
SDValue getGlobalAddress(const GlobalValue *GV, MVT VT,
- int64_t offset = 0, bool isTargetGA = false);
+ int64_t offset = 0, bool isTargetGA = false,
+ unsigned char TargetFlags = 0);
SDValue getTargetGlobalAddress(const GlobalValue *GV, MVT VT,
- int64_t offset = 0) {
- return getGlobalAddress(GV, VT, offset, true);
+ int64_t offset = 0,
+ unsigned char TargetFlags = 0) {
+ return getGlobalAddress(GV, VT, offset, true, TargetFlags);
}
SDValue getFrameIndex(int FI, MVT VT, bool isTarget = false);
SDValue getTargetFrameIndex(int FI, MVT VT) {
return getFrameIndex(FI, VT, true);
}
- SDValue getJumpTable(int JTI, MVT VT, bool isTarget = false);
- SDValue getTargetJumpTable(int JTI, MVT VT) {
- return getJumpTable(JTI, VT, true);
+ SDValue getJumpTable(int JTI, MVT VT, bool isTarget = false,
+ unsigned char TargetFlags = 0);
+ SDValue getTargetJumpTable(int JTI, MVT VT, unsigned char TargetFlags = 0) {
+ return getJumpTable(JTI, VT, true, TargetFlags);
}
SDValue getConstantPool(Constant *C, MVT VT,
- unsigned Align = 0, int Offs = 0, bool isT=false);
+ unsigned Align = 0, int Offs = 0, bool isT=false,
+ unsigned char TargetFlags = 0);
SDValue getTargetConstantPool(Constant *C, MVT VT,
- unsigned Align = 0, int Offset = 0) {
- return getConstantPool(C, VT, Align, Offset, true);
+ unsigned Align = 0, int Offset = 0,
+ unsigned char TargetFlags = 0) {
+ return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
}
SDValue getConstantPool(MachineConstantPoolValue *C, MVT VT,
- unsigned Align = 0, int Offs = 0, bool isT=false);
+ unsigned Align = 0, int Offs = 0, bool isT=false,
+ unsigned char TargetFlags = 0);
SDValue getTargetConstantPool(MachineConstantPoolValue *C,
MVT VT, unsigned Align = 0,
- int Offset = 0) {
- return getConstantPool(C, VT, Align, Offset, true);
+ int Offset = 0, unsigned char TargetFlags=0) {
+ return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
}
// When generating a branch to a BB, we don't in general know enough
// to provide debug info for the BB at that time, so keep this one around.
SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl);
SDValue getExternalSymbol(const char *Sym, MVT VT);
SDValue getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
- SDValue getTargetExternalSymbol(const char *Sym, MVT VT);
- SDValue getTargetExternalSymbol(const char *Sym, DebugLoc dl, MVT VT);
+ SDValue getTargetExternalSymbol(const char *Sym, MVT VT,
+ unsigned char TargetFlags = 0);
SDValue getArgFlags(ISD::ArgFlagsTy Flags);
SDValue getValueType(MVT);
SDValue getRegister(unsigned Reg, MVT VT);
- SDValue getDbgStopPoint(SDValue Root, unsigned Line, unsigned Col,
- Value *CU);
+ SDValue getDbgStopPoint(DebugLoc DL, SDValue Root,
+ unsigned Line, unsigned Col, Value *CU);
SDValue getLabel(unsigned Opcode, DebugLoc dl, SDValue Root,
unsigned LabelID);
// indicates that there is potentially an incoming flag value (if Flag is not
// null) and that there should be a flag result.
SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N,
- SDValue Flag) {
- const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag);
+ SDValue Flag) {
+ SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, 2, Ops, Flag.getNode() ? 4 : 3);
+ return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.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) {
- const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag);
+ SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
SDValue Ops[] = { Chain, Reg, N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, 2, Ops, Flag.getNode() ? 4 : 3);
+ return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
}
SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, MVT VT) {
- const MVT *VTs = getNodeValueTypes(VT, MVT::Other);
+ SDVTList VTs = getVTList(VT, MVT::Other);
SDValue Ops[] = { Chain, getRegister(Reg, VT) };
- return getNode(ISD::CopyFromReg, dl, VTs, 2, Ops, 2);
+ return getNode(ISD::CopyFromReg, dl, VTs, Ops, 2);
}
// This version of the getCopyFromReg method takes an extra operand, which
// null) and that there should be a flag result.
SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, MVT VT,
SDValue Flag) {
- const MVT *VTs = getNodeValueTypes(VT, MVT::Other, MVT::Flag);
+ SDVTList VTs = getVTList(VT, MVT::Other, MVT::Flag);
SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag };
- return getNode(ISD::CopyFromReg, dl, VTs, 3, Ops, Flag.getNode() ? 3 : 2);
+ return getNode(ISD::CopyFromReg, dl, VTs, Ops, Flag.getNode() ? 3 : 2);
}
SDValue getCondCode(ISD::CondCode Cond);
SDValue getConvertRndSat(MVT 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(MVT VT, DebugLoc dl, SDValue N1, SDValue N2,
+ const int *MaskElts);
/// getZeroExtendInReg - Return the expression required to zero extend the Op
/// value assuming it was the smaller SrcTy value.
/// a flag result (to ensure it's not CSE'd). CALLSEQ_START does not have a
/// useful DebugLoc.
SDValue getCALLSEQ_START(SDValue Chain, SDValue Op) {
- const MVT *VTs = getNodeValueTypes(MVT::Other, MVT::Flag);
+ SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
SDValue Ops[] = { Chain, Op };
return getNode(ISD::CALLSEQ_START, DebugLoc::getUnknownLoc(),
- VTs, 2, Ops, 2);
+ VTs, Ops, 2);
}
/// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a
(unsigned)Ops.size() - (InFlag.getNode() == 0 ? 1 : 0));
}
- /// getBUILD_VECTOR - Return a new BUILD_VECTOR node
- SDValue getBUILD_VECTOR(MVT vecVT, DebugLoc dl, SDValue E1);
- SDValue getBUILD_VECTOR(MVT vecVT, DebugLoc dl, SDValue E1, SDValue E2);
- SDValue getBUILD_VECTOR(MVT vecVT, DebugLoc dl, SDValue E1, SDValue E2,
- SDValue E3, SDValue E4);
- SDValue getBUILD_VECTOR(MVT vecVT, DebugLoc dl, const SDValue *Elts,
- unsigned NumElts);
-
/// getUNDEF - Return an UNDEF node. UNDEF does not have a useful DebugLoc.
SDValue getUNDEF(MVT VT) {
return getNode(ISD::UNDEF, DebugLoc::getUnknownLoc(), VT);
///
SDValue getCall(unsigned CallingConv, DebugLoc dl, bool IsVarArgs,
bool IsTailCall, bool isInreg, SDVTList VTs,
- const SDValue *Operands, unsigned NumOperands);
+ const SDValue *Operands, unsigned NumOperands,
+ unsigned NumFixedArgs);
/// getLoad - Loads are not normal binary operators: their result type is not
/// determined by their operands, and they produce a value AND a token chain.
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG. Use the first
/// version if 'From' is known to have a single result, use the second
- /// if you have two nodes with identical results, use the third otherwise.
+ /// if you have two nodes with identical results (or if 'To' has a superset
+ /// of the results of 'From'), use the third otherwise.
///
/// These methods all take an optional UpdateListener, which (if not null) is
/// informed about nodes that are deleted and modified due to recursive
case ISD::AND:
case ISD::OR:
case ISD::XOR:
+ case ISD::SADDO:
+ case ISD::UADDO:
case ISD::ADDC:
case ISD::ADDE: return true;
default: return false;
/// getShuffleScalarElt - Returns the scalar element that will make up the ith
/// element of the result of the vector shuffle.
- SDValue getShuffleScalarElt(const SDNode *N, unsigned Idx);
+ SDValue getShuffleScalarElt(const ShuffleVectorSDNode *N, unsigned Idx);
private:
bool RemoveNodeFromCSEMaps(SDNode *N);
std::vector<SDNode*> ValueTypeNodes;
std::map<MVT, SDNode*, MVT::compareRawBits> ExtendedValueTypeNodes;
StringMap<SDNode*> ExternalSymbols;
- StringMap<SDNode*> TargetExternalSymbols;
+
+ std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
};
template <> struct GraphTraits<SelectionDAG*> : public GraphTraits<SDNode*> {
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