| //===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H |
| #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H |
| |
| #include "llvm/CodeGen/MachineConstantPool.h" |
| #include "llvm/Support/ErrorHandling.h" |
| |
| namespace llvm { |
| |
| class GlobalValue; |
| |
| namespace SystemZCP { |
| enum SystemZCPModifier { |
| TLSGD, |
| TLSLDM, |
| DTPOFF, |
| NTPOFF |
| }; |
| } // end namespace SystemZCP |
| |
| /// A SystemZ-specific constant pool value. At present, the only |
| /// defined constant pool values are module IDs or offsets of |
| /// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF, |
| /// or 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. |
| int getExistingMachineCPValue(MachineConstantPool *CP, |
| Align Alignment) override; |
| void addSelectionDAGCSEId(FoldingSetNodeID &ID) override; |
| void print(raw_ostream &O) const override; |
| |
| // Access SystemZ-specific fields. |
| const GlobalValue *getGlobalValue() const { return GV; } |
| SystemZCP::SystemZCPModifier getModifier() const { return Modifier; } |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |