#ifndef LLVM_CODEGEN_SELECTIONDAGNODES_H
#define LLVM_CODEGEN_SELECTIONDAGNODES_H
-#include "llvm/Constants.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/GraphTraits.h"
-#include "llvm/ADT/ilist_node.h"
-#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/ilist_node.h"
#include "llvm/CodeGen/ISDOpcodes.h"
-#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/CodeGen/MachineMemOperand.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/System/DataTypes.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Constants.h"
+#include "llvm/Instructions.h"
+#include "llvm/Support/DataTypes.h"
#include "llvm/Support/DebugLoc.h"
+#include "llvm/Support/MathExtras.h"
#include <cassert>
namespace llvm {
template <typename T> struct ilist_traits;
void checkForCycles(const SDNode *N);
-
+
/// SDVTList - This represents a list of ValueType's that has been intern'd by
/// a SelectionDAG. Instances of this simple value class are returned by
/// SelectionDAG::getVTList(...).
/// ISD::SCALAR_TO_VECTOR node or a BUILD_VECTOR node where only the low
/// element is not an undef.
bool isScalarToVector(const SDNode *N);
+
+ /// allOperandsUndef - Return true if the node has at least one operand
+ /// and all operands of the specified node are ISD::UNDEF.
+ bool allOperandsUndef(const SDNode *N);
} // end llvm:ISD namespace
//===----------------------------------------------------------------------===//
void setNode(SDNode *N) { Node = N; }
inline SDNode *operator->() const { return Node; }
-
+
bool operator==(const SDValue &O) const {
return Node == O.Node && ResNo == O.ResNo;
}
///
inline EVT getValueType() const;
+ /// Return the simple ValueType of the referenced return value.
+ MVT getSimpleValueType() const {
+ return getValueType().getSimpleVT();
+ }
+
/// getValueSizeInBits - Returns the size of the value in bits.
///
unsigned getValueSizeInBits() const {
inline bool isMachineOpcode() const;
inline unsigned getMachineOpcode() const;
inline const DebugLoc getDebugLoc() const;
-
+ inline void dump() const;
+ inline void dumpr() const;
/// reachesChainWithoutSideEffects - Return true if this operand (which must
/// be a chain) reaches the specified operand without crossing any
/// this operand.
SDUse **Prev, *Next;
- SDUse(const SDUse &U); // Do not implement
- void operator=(const SDUse &U); // Do not implement
+ SDUse(const SDUse &U) LLVM_DELETED_FUNCTION;
+ void operator=(const SDUse &U) LLVM_DELETED_FUNCTION;
public:
SDUse() : Val(), User(NULL), Prev(NULL), Next(NULL) {}
///
bool isOperandOf(SDNode *N) const;
- /// isPredecessorOf - Return true if this node is a predecessor of N. This
- /// node is either an operand of N or it can be reached by recursively
+ /// isPredecessorOf - Return true if this node is a predecessor of N.
+ /// NOTE: Implemented on top of hasPredecessor and every bit as
+ /// expensive. Use carefully.
+ bool isPredecessorOf(const SDNode *N) const { return N->hasPredecessor(this); }
+
+ /// hasPredecessor - Return true if N is a predecessor of this node.
+ /// N is either an operand of this node, or can be reached by recursively
/// traversing up the operands.
- /// NOTE: this is an expensive method. Use it carefully.
- bool isPredecessorOf(SDNode *N) const;
+ /// NOTE: This is an expensive method. Use it carefully.
+ bool hasPredecessor(const SDNode *N) const;
+
+ /// hasPredecesorHelper - Return true if N is a predecessor of this node.
+ /// N is either an operand of this node, or can be reached by recursively
+ /// traversing up the operands.
+ /// In this helper the Visited and worklist sets are held externally to
+ /// cache predecessors over multiple invocations. If you want to test for
+ /// multiple predecessors this method is preferable to multiple calls to
+ /// hasPredecessor. Be sure to clear Visited and Worklist if the DAG
+ /// changes.
+ /// NOTE: This is still very expensive. Use carefully.
+ bool hasPredecessorHelper(const SDNode *N,
+ SmallPtrSet<const SDNode *, 32> &Visited,
+ SmallVector<const SDNode *, 16> &Worklist) const;
/// getNumOperands - Return the number of values used by this operation.
///
return X;
}
- /// getFlaggedNode - If this node has a flag operand, return the node
- /// to which the flag operand points. Otherwise return NULL.
- SDNode *getFlaggedNode() const {
+ /// getGluedNode - If this node has a glue operand, return the node
+ /// to which the glue operand points. Otherwise return NULL.
+ SDNode *getGluedNode() const {
if (getNumOperands() != 0 &&
- getOperand(getNumOperands()-1).getValueType().getSimpleVT() == MVT::Flag)
+ getOperand(getNumOperands()-1).getValueType() == MVT::Glue)
return getOperand(getNumOperands()-1).getNode();
return 0;
}
// If this is a pseudo op, like copyfromreg, look to see if there is a
- // real target node flagged to it. If so, return the target node.
- const SDNode *getFlaggedMachineNode() const {
+ // real target node glued to it. If so, return the target node.
+ const SDNode *getGluedMachineNode() const {
const SDNode *FoundNode = this;
- // Climb up flag edges until a machine-opcode node is found, or the
+ // Climb up glue edges until a machine-opcode node is found, or the
// end of the chain is reached.
while (!FoundNode->isMachineOpcode()) {
- const SDNode *N = FoundNode->getFlaggedNode();
+ const SDNode *N = FoundNode->getGluedNode();
if (!N) break;
FoundNode = N;
}
return FoundNode;
}
+ /// getGluedUser - If this node has a glue value with a user, return
+ /// the user (there is at most one). Otherwise return NULL.
+ SDNode *getGluedUser() const {
+ for (use_iterator UI = use_begin(), UE = use_end(); UI != UE; ++UI)
+ if (UI.getUse().get().getValueType() == MVT::Glue)
+ return *UI;
+ return 0;
+ }
+
/// getNumValues - Return the number of values defined/returned by this
/// operator.
///
return ValueList[ResNo];
}
+ /// Return the type of a specified result as a simple type.
+ ///
+ MVT getSimpleValueType(unsigned ResNo) const {
+ return getValueType(ResNo).getSimpleVT();
+ }
+
/// getValueSizeInBits - Returns MVT::getSizeInBits(getValueType(ResNo)).
///
unsigned getValueSizeInBits(unsigned ResNo) const {
///
void dumprWithDepth(const SelectionDAG *G = 0, unsigned depth = 100) const;
-
- static bool classof(const SDNode *) { return true; }
-
/// Profile - Gather unique data for the node.
///
void Profile(FoldingSetNodeID &ID) const;
inline const DebugLoc SDValue::getDebugLoc() const {
return Node->getDebugLoc();
}
-
+inline void SDValue::dump() const {
+ return Node->dump();
+}
+inline void SDValue::dumpr() const {
+ return Node->dumpr();
+}
// Define inline functions from the SDUse class.
inline void SDUse::set(const SDValue &V) {
/// HandleSDNode - This class is used to form a handle around another node that
-/// is persistant and is updated across invocations of replaceAllUsesWith on its
+/// is persistent and is updated across invocations of replaceAllUsesWith on its
/// operand. This node should be directly created by end-users and not added to
/// the AllNodes list.
class HandleSDNode : public SDNode {
// with MachineMemOperand information.
bool isVolatile() const { return (SubclassData >> 5) & 1; }
bool isNonTemporal() const { return (SubclassData >> 6) & 1; }
+ bool isInvariant() const { return (SubclassData >> 7) & 1; }
+
+ AtomicOrdering getOrdering() const {
+ return AtomicOrdering((SubclassData >> 8) & 15);
+ }
+ SynchronizationScope getSynchScope() const {
+ return SynchronizationScope((SubclassData >> 12) & 1);
+ }
/// Returns the SrcValue and offset that describes the location of the access
const Value *getSrcValue() const { return MMO->getValue(); }
int64_t getSrcValueOffset() const { return MMO->getOffset(); }
+ /// Returns the TBAAInfo that describes the dereference.
+ const MDNode *getTBAAInfo() const { return MMO->getTBAAInfo(); }
+
+ /// Returns the Ranges that describes the dereference.
+ const MDNode *getRanges() const { return MMO->getRanges(); }
+
/// getMemoryVT - Return the type of the in-memory value.
EVT getMemoryVT() const { return MemoryVT; }
/// reference performed by operation.
MachineMemOperand *getMemOperand() const { return MMO; }
+ const MachinePointerInfo &getPointerInfo() const {
+ return MMO->getPointerInfo();
+ }
+
+ /// getAddressSpace - Return the address space for the associated pointer
+ unsigned getAddressSpace() const {
+ return getPointerInfo().getAddrSpace();
+ }
+
/// refineAlignment - Update this MemSDNode's MachineMemOperand information
/// to reflect the alignment of NewMMO, if it has a greater alignment.
/// This must only be used when the new alignment applies to all users of
}
// Methods to support isa and dyn_cast
- static bool classof(const MemSDNode *) { return true; }
static bool classof(const SDNode *N) {
// For some targets, we lower some target intrinsics to a MemIntrinsicNode
// with either an intrinsic or a target opcode.
return N->getOpcode() == ISD::LOAD ||
N->getOpcode() == ISD::STORE ||
+ N->getOpcode() == ISD::PREFETCH ||
N->getOpcode() == ISD::ATOMIC_CMP_SWAP ||
N->getOpcode() == ISD::ATOMIC_SWAP ||
N->getOpcode() == ISD::ATOMIC_LOAD_ADD ||
N->getOpcode() == ISD::ATOMIC_LOAD_MAX ||
N->getOpcode() == ISD::ATOMIC_LOAD_UMIN ||
N->getOpcode() == ISD::ATOMIC_LOAD_UMAX ||
+ N->getOpcode() == ISD::ATOMIC_LOAD ||
+ N->getOpcode() == ISD::ATOMIC_STORE ||
N->isTargetMemoryOpcode();
}
};
class AtomicSDNode : public MemSDNode {
SDUse Ops[4];
+ void InitAtomic(AtomicOrdering Ordering, SynchronizationScope SynchScope) {
+ // This must match encodeMemSDNodeFlags() in SelectionDAG.cpp.
+ assert((Ordering & 15) == Ordering &&
+ "Ordering may not require more than 4 bits!");
+ assert((SynchScope & 1) == SynchScope &&
+ "SynchScope may not require more than 1 bit!");
+ SubclassData |= Ordering << 8;
+ SubclassData |= SynchScope << 12;
+ assert(getOrdering() == Ordering && "Ordering encoding error!");
+ assert(getSynchScope() == SynchScope && "Synch-scope encoding error!");
+ }
+
public:
// Opc: opcode for atomic
// VTL: value type list
// Align: alignment of memory
AtomicSDNode(unsigned Opc, DebugLoc dl, SDVTList VTL, EVT MemVT,
SDValue Chain, SDValue Ptr,
- SDValue Cmp, SDValue Swp, MachineMemOperand *MMO)
+ SDValue Cmp, SDValue Swp, MachineMemOperand *MMO,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope)
: MemSDNode(Opc, dl, VTL, MemVT, MMO) {
- assert(readMem() && "Atomic MachineMemOperand is not a load!");
- assert(writeMem() && "Atomic MachineMemOperand is not a store!");
+ InitAtomic(Ordering, SynchScope);
InitOperands(Ops, Chain, Ptr, Cmp, Swp);
}
AtomicSDNode(unsigned Opc, DebugLoc dl, SDVTList VTL, EVT MemVT,
SDValue Chain, SDValue Ptr,
- SDValue Val, MachineMemOperand *MMO)
+ SDValue Val, MachineMemOperand *MMO,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope)
: MemSDNode(Opc, dl, VTL, MemVT, MMO) {
- assert(readMem() && "Atomic MachineMemOperand is not a load!");
- assert(writeMem() && "Atomic MachineMemOperand is not a store!");
+ InitAtomic(Ordering, SynchScope);
InitOperands(Ops, Chain, Ptr, Val);
}
+ AtomicSDNode(unsigned Opc, DebugLoc dl, SDVTList VTL, EVT MemVT,
+ SDValue Chain, SDValue Ptr,
+ MachineMemOperand *MMO,
+ AtomicOrdering Ordering, SynchronizationScope SynchScope)
+ : MemSDNode(Opc, dl, VTL, MemVT, MMO) {
+ InitAtomic(Ordering, SynchScope);
+ InitOperands(Ops, Chain, Ptr);
+ }
const SDValue &getBasePtr() const { return getOperand(1); }
const SDValue &getVal() const { return getOperand(2); }
}
// Methods to support isa and dyn_cast
- static bool classof(const AtomicSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::ATOMIC_CMP_SWAP ||
N->getOpcode() == ISD::ATOMIC_SWAP ||
N->getOpcode() == ISD::ATOMIC_LOAD_MIN ||
N->getOpcode() == ISD::ATOMIC_LOAD_MAX ||
N->getOpcode() == ISD::ATOMIC_LOAD_UMIN ||
- N->getOpcode() == ISD::ATOMIC_LOAD_UMAX;
+ N->getOpcode() == ISD::ATOMIC_LOAD_UMAX ||
+ N->getOpcode() == ISD::ATOMIC_LOAD ||
+ N->getOpcode() == ISD::ATOMIC_STORE;
}
};
/// MemIntrinsicSDNode - This SDNode is used for target intrinsics that touch
/// memory and need an associated MachineMemOperand. Its opcode may be
-/// INTRINSIC_VOID, INTRINSIC_W_CHAIN, or a target-specific opcode with a
-/// value not less than FIRST_TARGET_MEMORY_OPCODE.
+/// INTRINSIC_VOID, INTRINSIC_W_CHAIN, PREFETCH, or a target-specific opcode
+/// with a value not less than FIRST_TARGET_MEMORY_OPCODE.
class MemIntrinsicSDNode : public MemSDNode {
public:
MemIntrinsicSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs,
}
// Methods to support isa and dyn_cast
- static bool classof(const MemIntrinsicSDNode *) { return true; }
static bool classof(const SDNode *N) {
// We lower some target intrinsics to their target opcode
// early a node with a target opcode can be of this class
return N->getOpcode() == ISD::INTRINSIC_W_CHAIN ||
N->getOpcode() == ISD::INTRINSIC_VOID ||
+ N->getOpcode() == ISD::PREFETCH ||
N->isTargetMemoryOpcode();
}
};
}
public:
- void getMask(SmallVectorImpl<int> &M) const {
+ ArrayRef<int> getMask() const {
EVT VT = getValueType(0);
- M.clear();
- for (unsigned i = 0, e = VT.getVectorNumElements(); i != e; ++i)
- M.push_back(Mask[i]);
+ return makeArrayRef(Mask, VT.getVectorNumElements());
}
int getMaskElt(unsigned Idx) const {
assert(Idx < getValueType(0).getVectorNumElements() && "Idx out of range!");
}
static bool isSplatMask(const int *Mask, EVT VT);
- static bool classof(const ShuffleVectorSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::VECTOR_SHUFFLE;
}
uint64_t getZExtValue() const { return Value->getZExtValue(); }
int64_t getSExtValue() const { return Value->getSExtValue(); }
+ bool isOne() const { return Value->isOne(); }
bool isNullValue() const { return Value->isNullValue(); }
bool isAllOnesValue() const { return Value->isAllOnesValue(); }
- static bool classof(const ConstantSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::Constant ||
N->getOpcode() == ISD::TargetConstant;
/// have to duplicate its logic everywhere it's called.
bool isExactlyValue(double V) const {
bool ignored;
- // convert is not supported on this type
- if (&Value->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble)
- return false;
APFloat Tmp(V);
Tmp.convert(Value->getValueAPF().getSemantics(),
APFloat::rmNearestTiesToEven, &ignored);
}
bool isExactlyValue(const APFloat& V) const;
- bool isValueValidForType(EVT VT, const APFloat& Val);
+ static bool isValueValidForType(EVT VT, const APFloat& Val);
- static bool classof(const ConstantFPSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::ConstantFP ||
N->getOpcode() == ISD::TargetConstantFP;
};
class GlobalAddressSDNode : public SDNode {
- GlobalValue *TheGlobal;
+ const GlobalValue *TheGlobal;
int64_t Offset;
unsigned char TargetFlags;
friend class SelectionDAG;
- GlobalAddressSDNode(unsigned Opc, const GlobalValue *GA, EVT VT,
+ GlobalAddressSDNode(unsigned Opc, DebugLoc DL, const GlobalValue *GA, EVT VT,
int64_t o, unsigned char TargetFlags);
public:
- GlobalValue *getGlobal() const { return TheGlobal; }
+ const GlobalValue *getGlobal() const { return TheGlobal; }
int64_t getOffset() const { return Offset; }
unsigned char getTargetFlags() const { return TargetFlags; }
// Return the address space this GlobalAddress belongs to.
unsigned getAddressSpace() const;
- static bool classof(const GlobalAddressSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::GlobalAddress ||
N->getOpcode() == ISD::TargetGlobalAddress ||
int getIndex() const { return FI; }
- static bool classof(const FrameIndexSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::FrameIndex ||
N->getOpcode() == ISD::TargetFrameIndex;
int getIndex() const { return JTI; }
unsigned char getTargetFlags() const { return TargetFlags; }
- static bool classof(const JumpTableSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::JumpTable ||
N->getOpcode() == ISD::TargetJumpTable;
class ConstantPoolSDNode : public SDNode {
union {
- Constant *ConstVal;
+ const Constant *ConstVal;
MachineConstantPoolValue *MachineCPVal;
} Val;
int Offset; // It's a MachineConstantPoolValue if top bit is set.
unsigned Alignment; // Minimum alignment requirement of CP (not log2 value).
unsigned char TargetFlags;
friend class SelectionDAG;
- ConstantPoolSDNode(bool isTarget, Constant *c, EVT VT, int o, unsigned Align,
- unsigned char TF)
+ ConstantPoolSDNode(bool isTarget, const Constant *c, EVT VT, int o,
+ unsigned Align, unsigned char TF)
: SDNode(isTarget ? ISD::TargetConstantPool : ISD::ConstantPool,
DebugLoc(),
getSDVTList(VT)), Offset(o), Alignment(Align), TargetFlags(TF) {
return (int)Offset < 0;
}
- Constant *getConstVal() const {
+ const Constant *getConstVal() const {
assert(!isMachineConstantPoolEntry() && "Wrong constantpool type");
return Val.ConstVal;
}
unsigned getAlignment() const { return Alignment; }
unsigned char getTargetFlags() const { return TargetFlags; }
- const Type *getType() const;
+ Type *getType() const;
- static bool classof(const ConstantPoolSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::ConstantPool ||
N->getOpcode() == ISD::TargetConstantPool;
}
};
+/// Completely target-dependent object reference.
+class TargetIndexSDNode : public SDNode {
+ unsigned char TargetFlags;
+ int Index;
+ int64_t Offset;
+ friend class SelectionDAG;
+public:
+
+ TargetIndexSDNode(int Idx, EVT VT, int64_t Ofs, unsigned char TF)
+ : SDNode(ISD::TargetIndex, DebugLoc(), getSDVTList(VT)),
+ TargetFlags(TF), Index(Idx), Offset(Ofs) {}
+public:
+
+ unsigned char getTargetFlags() const { return TargetFlags; }
+ int getIndex() const { return Index; }
+ int64_t getOffset() const { return Offset; }
+
+ static bool classof(const SDNode *N) {
+ return N->getOpcode() == ISD::TargetIndex;
+ }
+};
+
class BasicBlockSDNode : public SDNode {
MachineBasicBlock *MBB;
friend class SelectionDAG;
MachineBasicBlock *getBasicBlock() const { return MBB; }
- static bool classof(const BasicBlockSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::BasicBlock;
}
/// BUILD_VECTORs.
class BuildVectorSDNode : public SDNode {
// These are constructed as SDNodes and then cast to BuildVectorSDNodes.
- explicit BuildVectorSDNode(); // Do not implement
+ explicit BuildVectorSDNode() LLVM_DELETED_FUNCTION;
public:
/// isConstantSplat - Check if this is a constant splat, and if so, find the
/// smallest element size that splats the vector. If MinSplatBits is
unsigned &SplatBitSize, bool &HasAnyUndefs,
unsigned MinSplatBits = 0, bool isBigEndian = false);
- static inline bool classof(const BuildVectorSDNode *) { return true; }
static inline bool classof(const SDNode *N) {
return N->getOpcode() == ISD::BUILD_VECTOR;
}
/// getValue - return the contained Value.
const Value *getValue() const { return V; }
- static bool classof(const SrcValueSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::SRCVALUE;
}
const MDNode *getMD() const { return MD; }
- static bool classof(const MDNodeSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::MDNODE_SDNODE;
}
unsigned getReg() const { return Reg; }
- static bool classof(const RegisterSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::Register;
}
};
+class RegisterMaskSDNode : public SDNode {
+ // The memory for RegMask is not owned by the node.
+ const uint32_t *RegMask;
+ friend class SelectionDAG;
+ RegisterMaskSDNode(const uint32_t *mask)
+ : SDNode(ISD::RegisterMask, DebugLoc(), getSDVTList(MVT::Untyped)),
+ RegMask(mask) {}
+public:
+
+ const uint32_t *getRegMask() const { return RegMask; }
+
+ static bool classof(const SDNode *N) {
+ return N->getOpcode() == ISD::RegisterMask;
+ }
+};
+
class BlockAddressSDNode : public SDNode {
- BlockAddress *BA;
+ const BlockAddress *BA;
+ int64_t Offset;
unsigned char TargetFlags;
friend class SelectionDAG;
- BlockAddressSDNode(unsigned NodeTy, EVT VT, BlockAddress *ba,
- unsigned char Flags)
+ BlockAddressSDNode(unsigned NodeTy, EVT VT, const BlockAddress *ba,
+ int64_t o, unsigned char Flags)
: SDNode(NodeTy, DebugLoc(), getSDVTList(VT)),
- BA(ba), TargetFlags(Flags) {
+ BA(ba), Offset(o), TargetFlags(Flags) {
}
public:
- BlockAddress *getBlockAddress() const { return BA; }
+ const BlockAddress *getBlockAddress() const { return BA; }
+ int64_t getOffset() const { return Offset; }
unsigned char getTargetFlags() const { return TargetFlags; }
- static bool classof(const BlockAddressSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::BlockAddress ||
N->getOpcode() == ISD::TargetBlockAddress;
public:
MCSymbol *getLabel() const { return Label; }
- static bool classof(const EHLabelSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::EH_LABEL;
}
const char *getSymbol() const { return Symbol; }
unsigned char getTargetFlags() const { return TargetFlags; }
- static bool classof(const ExternalSymbolSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::ExternalSymbol ||
N->getOpcode() == ISD::TargetExternalSymbol;
ISD::CondCode get() const { return Condition; }
- static bool classof(const CondCodeSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::CONDCODE;
}
public:
ISD::CvtCode getCvtCode() const { return CvtCode; }
- static bool classof(const CvtRndSatSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::CONVERT_RNDSAT;
}
};
-namespace ISD {
- struct ArgFlagsTy {
- private:
- static const uint64_t NoFlagSet = 0ULL;
- static const uint64_t ZExt = 1ULL<<0; ///< Zero extended
- static const uint64_t ZExtOffs = 0;
- static const uint64_t SExt = 1ULL<<1; ///< Sign extended
- static const uint64_t SExtOffs = 1;
- static const uint64_t InReg = 1ULL<<2; ///< Passed in register
- static const uint64_t InRegOffs = 2;
- static const uint64_t SRet = 1ULL<<3; ///< Hidden struct-ret ptr
- static const uint64_t SRetOffs = 3;
- static const uint64_t ByVal = 1ULL<<4; ///< Struct passed by value
- static const uint64_t ByValOffs = 4;
- static const uint64_t Nest = 1ULL<<5; ///< Nested fn static chain
- static const uint64_t NestOffs = 5;
- static const uint64_t ByValAlign = 0xFULL << 6; //< Struct alignment
- static const uint64_t ByValAlignOffs = 6;
- static const uint64_t Split = 1ULL << 10;
- static const uint64_t SplitOffs = 10;
- static const uint64_t OrigAlign = 0x1FULL<<27;
- static const uint64_t OrigAlignOffs = 27;
- static const uint64_t ByValSize = 0xffffffffULL << 32; //< Struct size
- static const uint64_t ByValSizeOffs = 32;
-
- static const uint64_t One = 1ULL; //< 1 of this type, for shifts
-
- uint64_t Flags;
- public:
- ArgFlagsTy() : Flags(0) { }
-
- bool isZExt() const { return Flags & ZExt; }
- void setZExt() { Flags |= One << ZExtOffs; }
-
- bool isSExt() const { return Flags & SExt; }
- void setSExt() { Flags |= One << SExtOffs; }
-
- bool isInReg() const { return Flags & InReg; }
- void setInReg() { Flags |= One << InRegOffs; }
-
- bool isSRet() const { return Flags & SRet; }
- void setSRet() { Flags |= One << SRetOffs; }
-
- bool isByVal() const { return Flags & ByVal; }
- void setByVal() { Flags |= One << ByValOffs; }
-
- bool isNest() const { return Flags & Nest; }
- void setNest() { Flags |= One << NestOffs; }
-
- unsigned getByValAlign() const {
- return (unsigned)
- ((One << ((Flags & ByValAlign) >> ByValAlignOffs)) / 2);
- }
- void setByValAlign(unsigned A) {
- Flags = (Flags & ~ByValAlign) |
- (uint64_t(Log2_32(A) + 1) << ByValAlignOffs);
- }
-
- bool isSplit() const { return Flags & Split; }
- void setSplit() { Flags |= One << SplitOffs; }
-
- unsigned getOrigAlign() const {
- return (unsigned)
- ((One << ((Flags & OrigAlign) >> OrigAlignOffs)) / 2);
- }
- void setOrigAlign(unsigned A) {
- Flags = (Flags & ~OrigAlign) |
- (uint64_t(Log2_32(A) + 1) << OrigAlignOffs);
- }
-
- unsigned getByValSize() const {
- return (unsigned)((Flags & ByValSize) >> ByValSizeOffs);
- }
- void setByValSize(unsigned S) {
- Flags = (Flags & ~ByValSize) | (uint64_t(S) << ByValSizeOffs);
- }
-
- /// getArgFlagsString - Returns the flags as a string, eg: "zext align:4".
- std::string getArgFlagsString();
-
- /// getRawBits - Represent the flags as a bunch of bits.
- uint64_t getRawBits() const { return Flags; }
- };
-
- /// InputArg - This struct carries flags and type information about a
- /// single incoming (formal) argument or incoming (from the perspective
- /// of the caller) return value virtual register.
- ///
- struct InputArg {
- ArgFlagsTy Flags;
- EVT VT;
- bool Used;
-
- InputArg() : VT(MVT::Other), Used(false) {}
- InputArg(ISD::ArgFlagsTy flags, EVT vt, bool used)
- : Flags(flags), VT(vt), Used(used) {
- assert(VT.isSimple() &&
- "InputArg value type must be Simple!");
- }
- };
-
- /// OutputArg - This struct carries flags and a value for a
- /// single outgoing (actual) argument or outgoing (from the perspective
- /// of the caller) return value virtual register.
- ///
- struct OutputArg {
- ArgFlagsTy Flags;
- SDValue Val;
- bool IsFixed;
-
- OutputArg() : IsFixed(false) {}
- OutputArg(ISD::ArgFlagsTy flags, SDValue val, bool isfixed)
- : Flags(flags), Val(val), IsFixed(isfixed) {
- assert(Val.getValueType().isSimple() &&
- "OutputArg value type must be Simple!");
- }
- };
-}
-
/// VTSDNode - This class is used to represent EVT's, which are used
/// to parameterize some operations.
class VTSDNode : public SDNode {
EVT getVT() const { return ValueType; }
- static bool classof(const VTSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::VALUETYPE;
}
/// isUnindexed - Return true if this is NOT a pre/post inc/dec load/store.
bool isUnindexed() const { return getAddressingMode() == ISD::UNINDEXED; }
- static bool classof(const LSBaseSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::LOAD ||
N->getOpcode() == ISD::STORE;
const SDValue &getBasePtr() const { return getOperand(1); }
const SDValue &getOffset() const { return getOperand(2); }
- static bool classof(const LoadSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::LOAD;
}
const SDValue &getBasePtr() const { return getOperand(2); }
const SDValue &getOffset() const { return getOperand(3); }
- static bool classof(const StoreSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->getOpcode() == ISD::STORE;
}
/// setMemRefs - Assign this MachineSDNodes's memory reference descriptor
/// list. This does not transfer ownership.
void setMemRefs(mmo_iterator NewMemRefs, mmo_iterator NewMemRefsEnd) {
+ for (mmo_iterator MMI = NewMemRefs, MME = NewMemRefsEnd; MMI != MME; ++MMI)
+ assert(*MMI && "Null mem ref detected!");
MemRefs = NewMemRefs;
MemRefsEnd = NewMemRefsEnd;
}
- static bool classof(const MachineSDNode *) { return true; }
static bool classof(const SDNode *N) {
return N->isMachineOpcode();
}
class SDNodeIterator : public std::iterator<std::forward_iterator_tag,
SDNode, ptrdiff_t> {
- SDNode *Node;
+ const SDNode *Node;
unsigned Operand;
- SDNodeIterator(SDNode *N, unsigned Op) : Node(N), Operand(Op) {}
+ SDNodeIterator(const SDNode *N, unsigned Op) : Node(N), Operand(Op) {}
public:
bool operator==(const SDNodeIterator& x) const {
return Operand == x.Operand;
return Operand - Other.Operand;
}
- static SDNodeIterator begin(SDNode *N) { return SDNodeIterator(N, 0); }
- static SDNodeIterator end (SDNode *N) {
+ static SDNodeIterator begin(const SDNode *N) { return SDNodeIterator(N, 0); }
+ static SDNodeIterator end (const SDNode *N) {
return SDNodeIterator(N, N->getNumOperands());
}
projects / oota-llvm.git / blobdiff