58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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//===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H
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#define LLVM_LIB_TARGET_SYSTEMZ_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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TLSGD,
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TLSLDM,
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DTPOFF,
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NTPOFF
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};
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} // end namespace SystemZCP
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/// A SystemZ-specific constant pool value. At present, the only
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/// defined constant pool values are module IDs or offsets of
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/// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF,
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/// or 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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int getExistingMachineCPValue(MachineConstantPool *CP,
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Align Alignment) override;
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void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;
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void print(raw_ostream &O) const 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 namespace llvm
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#endif
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