forked from OSchip/llvm-project
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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//===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SYSTEMZCONSTANTPOOLVALUE_H
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#define SYSTEMZCONSTANTPOOLVALUE_H
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/Support/ErrorHandling.h"
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namespace llvm {
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class GlobalValue;
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namespace SystemZCP {
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enum SystemZCPModifier {
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NTPOFF
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};
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}
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/// A SystemZ-specific constant pool value. At present, the only
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/// defined constant pool values are offsets of thread-local variables
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/// (written x@NTPOFF).
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class SystemZConstantPoolValue : public MachineConstantPoolValue {
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const GlobalValue *GV;
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SystemZCP::SystemZCPModifier Modifier;
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protected:
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SystemZConstantPoolValue(const GlobalValue *GV,
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SystemZCP::SystemZCPModifier Modifier);
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public:
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static SystemZConstantPoolValue *
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Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier);
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// Override MachineConstantPoolValue.
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virtual unsigned getRelocationInfo() const LLVM_OVERRIDE;
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virtual int getExistingMachineCPValue(MachineConstantPool *CP,
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unsigned Alignment) LLVM_OVERRIDE;
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virtual void addSelectionDAGCSEId(FoldingSetNodeID &ID) LLVM_OVERRIDE;
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virtual void print(raw_ostream &O) const LLVM_OVERRIDE;
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// Access SystemZ-specific fields.
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const GlobalValue *getGlobalValue() const { return GV; }
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SystemZCP::SystemZCPModifier getModifier() const { return Modifier; }
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};
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} // End llvm namespace
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#endif
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