| //===- ARMConstantPoolValue.h - ARM constantpool value ----------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by Evan Cheng and is distributed under the |
| // University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the ARM specific constantpool value class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TARGET_ARM_CONSTANTPOOLVALUE_H |
| #define LLVM_TARGET_ARM_CONSTANTPOOLVALUE_H |
| |
| #include "llvm/CodeGen/MachineConstantPool.h" |
| |
| namespace llvm { |
| |
| /// ARMConstantPoolValue - ARM specific constantpool value. This is used to |
| /// represent PC relative displacement between the address of the load |
| /// instruction and the global value being loaded, i.e. (&GV-(LPIC+8)). |
| class ARMConstantPoolValue : public MachineConstantPoolValue { |
| GlobalValue *GV; // GlobalValue being loaded. |
| unsigned LabelId; // Label id of the load. |
| bool isNonLazyPtr; // True if loading a Mac OS X non_lazy_ptr stub. |
| unsigned char PCAdjust; // Extra adjustment if constantpool is pc relative. |
| // 8 for ARM, 4 for Thumb. |
| |
| public: |
| ARMConstantPoolValue(GlobalValue *gv, unsigned id, bool isNonLazy = false, |
| unsigned char PCAdj = 0); |
| |
| GlobalValue *getGV() const { return GV; } |
| unsigned getLabelId() const { return LabelId; } |
| bool isNonLazyPointer() const { return isNonLazyPtr; } |
| unsigned char getPCAdjustment() const { return PCAdjust; } |
| |
| virtual int getExistingMachineCPValue(MachineConstantPool *CP, |
| unsigned Alignment); |
| |
| virtual void AddSelectionDAGCSEId(FoldingSetNodeID &ID); |
| |
| virtual void print(std::ostream &O) const; |
| }; |
| |
| } |
| |
| #endif |