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-rw-r--r--contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h58
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diff --git a/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h b/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h
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+++ b/contrib/llvm/lib/Target/SystemZ/SystemZConstantPoolValue.h
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+//===- SystemZConstantPoolValue.h - SystemZ constant-pool value -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZCONSTANTPOOLVALUE_H
+
+#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/Support/ErrorHandling.h"
+
+namespace llvm {
+
+class GlobalValue;
+
+namespace SystemZCP {
+enum SystemZCPModifier {
+ TLSGD,
+ TLSLDM,
+ DTPOFF,
+ NTPOFF
+};
+} // end namespace SystemZCP
+
+/// A SystemZ-specific constant pool value. At present, the only
+/// defined constant pool values are module IDs or offsets of
+/// thread-local variables (written x@TLSGD, x@TLSLDM, x@DTPOFF,
+/// or x@NTPOFF).
+class SystemZConstantPoolValue : public MachineConstantPoolValue {
+ const GlobalValue *GV;
+ SystemZCP::SystemZCPModifier Modifier;
+
+protected:
+ SystemZConstantPoolValue(const GlobalValue *GV,
+ SystemZCP::SystemZCPModifier Modifier);
+
+public:
+ static SystemZConstantPoolValue *
+ Create(const GlobalValue *GV, SystemZCP::SystemZCPModifier Modifier);
+
+ // Override MachineConstantPoolValue.
+ int getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment) override;
+ void addSelectionDAGCSEId(FoldingSetNodeID &ID) override;
+ void print(raw_ostream &O) const override;
+
+ // Access SystemZ-specific fields.
+ const GlobalValue *getGlobalValue() const { return GV; }
+ SystemZCP::SystemZCPModifier getModifier() const { return Modifier; }
+};
+
+} // end namespace llvm
+
+#endif
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