10b57cec5SDimitry Andric //===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H 100b57cec5SDimitry Andric #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #include "llvm/CodeGen/MachineConstantPool.h" 130b57cec5SDimitry Andric #include "llvm/Support/ErrorHandling.h" 140b57cec5SDimitry Andric 150b57cec5SDimitry Andric namespace llvm { 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric class GlobalValue; 180b57cec5SDimitry Andric 190b57cec5SDimitry Andric namespace SystemZCP { 200b57cec5SDimitry Andric enum SystemZCPModifier { 210b57cec5SDimitry Andric TLSGD, 220b57cec5SDimitry Andric TLSLDM, 230b57cec5SDimitry Andric DTPOFF, 240b57cec5SDimitry Andric NTPOFF 250b57cec5SDimitry Andric }; 260b57cec5SDimitry Andric } // end namespace SystemZCP 270b57cec5SDimitry Andric 280b57cec5SDimitry Andric /// A SystemZ-specific constant pool value. At present, the only 290b57cec5SDimitry Andric /// defined constant pool values are module IDs or offsets of 300b57cec5SDimitry Andric /// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF, 310b57cec5SDimitry Andric /// or x@NTPOFF). 320b57cec5SDimitry Andric class SystemZConstantPoolValue : public MachineConstantPoolValue { 330b57cec5SDimitry Andric const GlobalValue *GV; 340b57cec5SDimitry Andric SystemZCP::SystemZCPModifier Modifier; 350b57cec5SDimitry Andric 360b57cec5SDimitry Andric protected: 370b57cec5SDimitry Andric SystemZConstantPoolValue(const GlobalValue *GV, 380b57cec5SDimitry Andric SystemZCP::SystemZCPModifier Modifier); 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric public: 410b57cec5SDimitry Andric static SystemZConstantPoolValue * 420b57cec5SDimitry Andric Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier); 430b57cec5SDimitry Andric 440b57cec5SDimitry Andric // Override MachineConstantPoolValue. 450b57cec5SDimitry Andric int getExistingMachineCPValue(MachineConstantPool *CP, 46*5ffd83dbSDimitry Andric Align Alignment) override; 470b57cec5SDimitry Andric void addSelectionDAGCSEId(FoldingSetNodeID &ID) override; 480b57cec5SDimitry Andric void print(raw_ostream &O) const override; 490b57cec5SDimitry Andric 500b57cec5SDimitry Andric // Access SystemZ-specific fields. getGlobalValue()510b57cec5SDimitry Andric const GlobalValue *getGlobalValue() const { return GV; } getModifier()520b57cec5SDimitry Andric SystemZCP::SystemZCPModifier getModifier() const { return Modifier; } 530b57cec5SDimitry Andric }; 540b57cec5SDimitry Andric 550b57cec5SDimitry Andric } // end namespace llvm 560b57cec5SDimitry Andric 570b57cec5SDimitry Andric #endif 58