1 //===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H
11 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H
13 #include "llvm/CodeGen/MachineConstantPool.h"
14 #include "llvm/Support/ErrorHandling.h"
21 enum SystemZCPModifier {
27 } // end namespace SystemZCP
29 /// A SystemZ-specific constant pool value. At present, the only
30 /// defined constant pool values are module IDs or offsets of
31 /// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF,
33 class SystemZConstantPoolValue : public MachineConstantPoolValue {
34 const GlobalValue *GV;
35 SystemZCP::SystemZCPModifier Modifier;
38 SystemZConstantPoolValue(const GlobalValue *GV,
39 SystemZCP::SystemZCPModifier Modifier);
42 static SystemZConstantPoolValue *
43 Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier);
45 // Override MachineConstantPoolValue.
46 unsigned getRelocationInfo() const override;
47 int getExistingMachineCPValue(MachineConstantPool *CP,
48 unsigned Alignment) override;
49 void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;
50 void print(raw_ostream &O) const override;
52 // Access SystemZ-specific fields.
53 const GlobalValue *getGlobalValue() const { return GV; }
54 SystemZCP::SystemZCPModifier getModifier() const { return Modifier; }
57 } // end namespace llvm