| //===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SYSTEMZCONSTANTPOOLVALUE_H |
| #define SYSTEMZCONSTANTPOOLVALUE_H |
| |
| #include "llvm/CodeGen/MachineConstantPool.h" |
| #include "llvm/Support/ErrorHandling.h" |
| |
| namespace llvm { |
| |
| class GlobalValue; |
| |
| namespace SystemZCP { |
| enum SystemZCPModifier { |
| NTPOFF |
| }; |
| } |
| |
| /// A SystemZ-specific constant pool value. At present, the only |
| /// defined constant pool values are offsets of thread-local variables |
| /// (written x@NTPOFF). |
| class SystemZConstantPoolValue : public MachineConstantPoolValue { |
| const GlobalValue *GV; |
| SystemZCP::SystemZCPModifier Modifier; |
| |
| protected: |
| SystemZConstantPoolValue(const GlobalValue *GV, |
| SystemZCP::SystemZCPModifier Modifier); |
| |
| public: |
| static SystemZConstantPoolValue * |
| Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier); |
| |
| // Override MachineConstantPoolValue. |
| virtual unsigned getRelocationInfo() const LLVM_OVERRIDE; |
| virtual int getExistingMachineCPValue(MachineConstantPool *CP, |
| unsigned Alignment) LLVM_OVERRIDE; |
| virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID) LLVM_OVERRIDE; |
| virtual void print(raw_ostream &O) const LLVM_OVERRIDE; |
| |
| // Access SystemZ-specific fields. |
| const GlobalValue *getGlobalValue() const { return GV; } |
| SystemZCP::SystemZCPModifier getModifier() const { return Modifier; } |
| }; |
| |
| } // End llvm namespace |
| |
| #endif |