-//===- ARMConstantPoolValue.h - ARM constantpool value ----------*- C++ -*-===//
+//===-- ARMConstantPoolValue.h - ARM constantpool value ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
/// represent PC-relative displacement between the address of the load
/// instruction and the constant being loaded, i.e. (&GV-(LPIC+8)).
class ARMConstantPoolValue : public MachineConstantPoolValue {
- const Constant *CVal; // Constant being loaded.
- const MachineBasicBlock *MBB; // MachineBasicBlock being loaded.
- const char *S; // ExtSymbol being loaded.
unsigned LabelId; // Label id of the load.
ARMCP::ARMCPKind Kind; // Kind of constant.
unsigned char PCAdjust; // Extra adjustment if constantpool is pc-relative.
ARMCP::ARMCPModifier Modifier; // GV modifier i.e. (&GV(modifier)-(LPIC+8))
bool AddCurrentAddress;
-public:
- ARMConstantPoolValue(const Constant *cval, unsigned id,
- ARMCP::ARMCPKind Kind = ARMCP::CPValue,
- unsigned char PCAdj = 0,
- ARMCP::ARMCPModifier Modifier = ARMCP::no_modifier,
- bool AddCurrentAddress = false);
- ARMConstantPoolValue(LLVMContext &C, const MachineBasicBlock *mbb,unsigned id,
- ARMCP::ARMCPKind Kind = ARMCP::CPValue,
- unsigned char PCAdj = 0,
- ARMCP::ARMCPModifier Modifier = ARMCP::no_modifier,
- bool AddCurrentAddress = false);
- ARMConstantPoolValue(LLVMContext &C, const char *s, unsigned id,
- unsigned char PCAdj = 0,
- ARMCP::ARMCPModifier Modifier = ARMCP::no_modifier,
- bool AddCurrentAddress = false);
- ARMConstantPoolValue(const GlobalValue *GV, ARMCP::ARMCPModifier Modifier);
- ARMConstantPoolValue();
- ~ARMConstantPoolValue();
+protected:
+ ARMConstantPoolValue(Type *Ty, unsigned id, ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj, ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
- const GlobalValue *getGV() const;
- const char *getSymbol() const { return S; }
- const BlockAddress *getBlockAddress() const;
- const MachineBasicBlock *getMBB() const;
+ ARMConstantPoolValue(LLVMContext &C, unsigned id, ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj, ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+public:
+ virtual ~ARMConstantPoolValue();
ARMCP::ARMCPModifier getModifier() const { return Modifier; }
const char *getModifierText() const;
bool isGlobalValue() const { return Kind == ARMCP::CPValue; }
bool isExtSymbol() const { return Kind == ARMCP::CPExtSymbol; }
- bool isBlockAddress() { return Kind == ARMCP::CPBlockAddress; }
+ bool isBlockAddress() const { return Kind == ARMCP::CPBlockAddress; }
bool isLSDA() const { return Kind == ARMCP::CPLSDA; }
- bool isMachineBasicBlock() { return Kind == ARMCP::CPMachineBasicBlock; }
+ bool isMachineBasicBlock() const{ return Kind == ARMCP::CPMachineBasicBlock; }
virtual unsigned getRelocationInfo() const { return 2; }
virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID);
- /// hasSameValue - Return true if this ARM constpool value
- /// can share the same constantpool entry as another ARM constpool value.
- bool hasSameValue(ARMConstantPoolValue *ACPV);
+ /// hasSameValue - Return true if this ARM constpool value can share the same
+ /// constantpool entry as another ARM constpool value.
+ virtual bool hasSameValue(ARMConstantPoolValue *ACPV);
+
+ bool equals(const ARMConstantPoolValue *A) const {
+ return this->LabelId == A->LabelId &&
+ this->PCAdjust == A->PCAdjust &&
+ this->Modifier == A->Modifier;
+ }
+ virtual void print(raw_ostream &O) const;
void print(raw_ostream *O) const { if (O) print(*O); }
- void print(raw_ostream &O) const;
void dump() const;
+
+ static bool classof(const ARMConstantPoolValue *) { return true; }
};
inline raw_ostream &operator<<(raw_ostream &O, const ARMConstantPoolValue &V) {
return O;
}
+/// ARMConstantPoolConstant - ARM-specific constant pool values for Constants,
+/// Functions, and BlockAddresses.
+class ARMConstantPoolConstant : public ARMConstantPoolValue {
+ const Constant *CVal; // Constant being loaded.
+
+ ARMConstantPoolConstant(const Constant *C,
+ unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+ ARMConstantPoolConstant(Type *Ty, const Constant *C,
+ unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+
+public:
+ static ARMConstantPoolConstant *Create(const Constant *C, unsigned ID);
+ static ARMConstantPoolConstant *Create(const GlobalValue *GV,
+ ARMCP::ARMCPModifier Modifier);
+ static ARMConstantPoolConstant *Create(const Constant *C, unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj);
+ static ARMConstantPoolConstant *Create(const Constant *C, unsigned ID,
+ ARMCP::ARMCPKind Kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+
+ const GlobalValue *getGV() const;
+ const BlockAddress *getBlockAddress() const;
+
+ virtual int getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment);
+
+ /// hasSameValue - Return true if this ARM constpool value can share the same
+ /// constantpool entry as another ARM constpool value.
+ virtual bool hasSameValue(ARMConstantPoolValue *ACPV);
+
+ virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID);
+
+ virtual void print(raw_ostream &O) const;
+ static bool classof(const ARMConstantPoolValue *APV) {
+ return APV->isGlobalValue() || APV->isBlockAddress() || APV->isLSDA();
+ }
+ static bool classof(const ARMConstantPoolConstant *) { return true; }
+};
+
+/// ARMConstantPoolSymbol - ARM-specific constantpool values for external
+/// symbols.
+class ARMConstantPoolSymbol : public ARMConstantPoolValue {
+ const char *S; // ExtSymbol being loaded.
+
+ ARMConstantPoolSymbol(LLVMContext &C, const char *s, unsigned id,
+ unsigned char PCAdj, ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+
+public:
+ ~ARMConstantPoolSymbol();
+
+ static ARMConstantPoolSymbol *Create(LLVMContext &C, const char *s,
+ unsigned ID, unsigned char PCAdj);
+
+ const char *getSymbol() const { return S; }
+
+ virtual int getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment);
+
+ virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID);
+
+ /// hasSameValue - Return true if this ARM constpool value can share the same
+ /// constantpool entry as another ARM constpool value.
+ virtual bool hasSameValue(ARMConstantPoolValue *ACPV);
+
+ virtual void print(raw_ostream &O) const;
+
+ static bool classof(const ARMConstantPoolValue *ACPV) {
+ return ACPV->isExtSymbol();
+ }
+ static bool classof(const ARMConstantPoolSymbol *) { return true; }
+};
+
+/// ARMConstantPoolMBB - ARM-specific constantpool value of a machine basic
+/// block.
+class ARMConstantPoolMBB : public ARMConstantPoolValue {
+ const MachineBasicBlock *MBB; // Machine basic block.
+
+ ARMConstantPoolMBB(LLVMContext &C, const MachineBasicBlock *mbb, unsigned id,
+ unsigned char PCAdj, ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress);
+
+public:
+ static ARMConstantPoolMBB *Create(LLVMContext &C,
+ const MachineBasicBlock *mbb,
+ unsigned ID, unsigned char PCAdj);
+
+ const MachineBasicBlock *getMBB() const { return MBB; }
+
+ virtual int getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment);
+
+ virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID);
+
+ /// hasSameValue - Return true if this ARM constpool value can share the same
+ /// constantpool entry as another ARM constpool value.
+ virtual bool hasSameValue(ARMConstantPoolValue *ACPV);
+
+ virtual void print(raw_ostream &O) const;
+
+ static bool classof(const ARMConstantPoolValue *ACPV) {
+ return ACPV->isMachineBasicBlock();
+ }
+ static bool classof(const ARMConstantPoolMBB *) { return true; }
+};
+
} // End llvm namespace
#endif
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