diff options
Diffstat (limited to 'contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h')
-rw-r--r-- | contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h | 189 |
1 files changed, 150 insertions, 39 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h b/contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h index d008811..0d0def3 100644 --- a/contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h +++ b/contrib/llvm/lib/Target/ARM/ARMConstantPoolValue.h @@ -20,17 +20,19 @@ namespace llvm { -class Constant; class BlockAddress; +class Constant; class GlobalValue; class LLVMContext; +class MachineBasicBlock; namespace ARMCP { enum ARMCPKind { CPValue, CPExtSymbol, CPBlockAddress, - CPLSDA + CPLSDA, + CPMachineBasicBlock }; enum ARMCPModifier { @@ -47,8 +49,6 @@ namespace ARMCP { /// 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 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. @@ -56,60 +56,54 @@ class ARMConstantPoolValue : public MachineConstantPoolValue { ARMCP::ARMCPModifier Modifier; // GV modifier i.e. (&GV(modifier)-(LPIC+8)) bool AddCurrentAddress; +protected: + ARMConstantPoolValue(Type *Ty, unsigned id, ARMCP::ARMCPKind Kind, + unsigned char PCAdj, ARMCP::ARMCPModifier Modifier, + bool AddCurrentAddress); + + ARMConstantPoolValue(LLVMContext &C, unsigned id, ARMCP::ARMCPKind Kind, + unsigned char PCAdj, ARMCP::ARMCPModifier Modifier, + 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 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(); + virtual ~ARMConstantPoolValue(); - const GlobalValue *getGV() const; - const char *getSymbol() const { return S; } - const BlockAddress *getBlockAddress() const; ARMCP::ARMCPModifier getModifier() const { return Modifier; } - const char *getModifierText() const { - switch (Modifier) { - default: llvm_unreachable("Unknown modifier!"); - // FIXME: Are these case sensitive? It'd be nice to lower-case all the - // strings if that's legal. - case ARMCP::no_modifier: return "none"; - case ARMCP::TLSGD: return "tlsgd"; - case ARMCP::GOT: return "GOT"; - case ARMCP::GOTOFF: return "GOTOFF"; - case ARMCP::GOTTPOFF: return "gottpoff"; - case ARMCP::TPOFF: return "tpoff"; - } - } + const char *getModifierText() const; bool hasModifier() const { return Modifier != ARMCP::no_modifier; } + bool mustAddCurrentAddress() const { return AddCurrentAddress; } + unsigned getLabelId() const { return LabelId; } unsigned char getPCAdjustment() const { return PCAdjust; } + bool isGlobalValue() const { return Kind == ARMCP::CPValue; } bool isExtSymbol() const { return Kind == ARMCP::CPExtSymbol; } - bool isBlockAddress() { return Kind == ARMCP::CPBlockAddress; } - bool isLSDA() { return Kind == ARMCP::CPLSDA; } + bool isBlockAddress() const { return Kind == ARMCP::CPBlockAddress; } + bool isLSDA() const { return Kind == ARMCP::CPLSDA; } + bool isMachineBasicBlock() const{ return Kind == ARMCP::CPMachineBasicBlock; } virtual unsigned getRelocationInfo() const { return 2; } virtual int getExistingMachineCPValue(MachineConstantPool *CP, unsigned Alignment); - virtual void AddSelectionDAGCSEId(FoldingSetNodeID &ID); + 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) { @@ -117,6 +111,123 @@ 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 |