1*0b57cec5SDimitry Andric //===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H 10*0b57cec5SDimitry Andric #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H 11*0b57cec5SDimitry Andric 12*0b57cec5SDimitry Andric #include "llvm/CodeGen/MachineConstantPool.h" 13*0b57cec5SDimitry Andric #include "llvm/Support/ErrorHandling.h" 14*0b57cec5SDimitry Andric 15*0b57cec5SDimitry Andric namespace llvm { 16*0b57cec5SDimitry Andric 17*0b57cec5SDimitry Andric class GlobalValue; 18*0b57cec5SDimitry Andric 19*0b57cec5SDimitry Andric namespace SystemZCP { 20*0b57cec5SDimitry Andric enum SystemZCPModifier { 21*0b57cec5SDimitry Andric TLSGD, 22*0b57cec5SDimitry Andric TLSLDM, 23*0b57cec5SDimitry Andric DTPOFF, 24*0b57cec5SDimitry Andric NTPOFF 25*0b57cec5SDimitry Andric }; 26*0b57cec5SDimitry Andric } // end namespace SystemZCP 27*0b57cec5SDimitry Andric 28*0b57cec5SDimitry Andric /// A SystemZ-specific constant pool value. At present, the only 29*0b57cec5SDimitry Andric /// defined constant pool values are module IDs or offsets of 30*0b57cec5SDimitry Andric /// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF, 31*0b57cec5SDimitry Andric /// or x@NTPOFF). 32*0b57cec5SDimitry Andric class SystemZConstantPoolValue : public MachineConstantPoolValue { 33*0b57cec5SDimitry Andric const GlobalValue *GV; 34*0b57cec5SDimitry Andric SystemZCP::SystemZCPModifier Modifier; 35*0b57cec5SDimitry Andric 36*0b57cec5SDimitry Andric protected: 37*0b57cec5SDimitry Andric SystemZConstantPoolValue(const GlobalValue *GV, 38*0b57cec5SDimitry Andric SystemZCP::SystemZCPModifier Modifier); 39*0b57cec5SDimitry Andric 40*0b57cec5SDimitry Andric public: 41*0b57cec5SDimitry Andric static SystemZConstantPoolValue * 42*0b57cec5SDimitry Andric Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier); 43*0b57cec5SDimitry Andric 44*0b57cec5SDimitry Andric // Override MachineConstantPoolValue. 45*0b57cec5SDimitry Andric int getExistingMachineCPValue(MachineConstantPool *CP, 46*0b57cec5SDimitry Andric unsigned Alignment) override; 47*0b57cec5SDimitry Andric void addSelectionDAGCSEId(FoldingSetNodeID &ID) override; 48*0b57cec5SDimitry Andric void print(raw_ostream &O) const override; 49*0b57cec5SDimitry Andric 50*0b57cec5SDimitry Andric // Access SystemZ-specific fields. 51*0b57cec5SDimitry Andric const GlobalValue *getGlobalValue() const { return GV; } 52*0b57cec5SDimitry Andric SystemZCP::SystemZCPModifier getModifier() const { return Modifier; } 53*0b57cec5SDimitry Andric }; 54*0b57cec5SDimitry Andric 55*0b57cec5SDimitry Andric } // end namespace llvm 56*0b57cec5SDimitry Andric 57*0b57cec5SDimitry Andric #endif 58