1 files changed, 60 insertions, 0 deletions
diff --git a/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.h b/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.h
new file mode 100644
index 0000000000000..5b49005eb648f
--- /dev/null
+++ b/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.h
@@ -0,0 +1,60 @@
+//===-- Nios2MCExpr.h - Nios2 specific MC expression classes ----*- 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_NIOS2_MCTARGETDESC_NIOS2MCEXPR_H
+#define LLVM_LIB_TARGET_NIOS2_MCTARGETDESC_NIOS2MCEXPR_H
+
+#include "llvm/MC/MCAsmLayout.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
+
+namespace llvm {
+
+class Nios2MCExpr : public MCTargetExpr {
+public:
+  enum Nios2ExprKind {
+    CEK_None,
+    CEK_ABS_HI,
+    CEK_ABS_LO,
+    CEK_Special,
+  };
+
+private:
+  const Nios2ExprKind Kind;
+  const MCExpr *Expr;
+
+  explicit Nios2MCExpr(Nios2ExprKind Kind, const MCExpr *Expr)
+      : Kind(Kind), Expr(Expr) {}
+
+public:
+  static const Nios2MCExpr *create(Nios2ExprKind Kind, const MCExpr *Expr,
+                                   MCContext &Ctx);
+  static const Nios2MCExpr *create(const MCSymbol *Symbol,
+                                   Nios2MCExpr::Nios2ExprKind Kind,
+                                   MCContext &Ctx);
+
+  /// Get the kind of this expression.
+  Nios2ExprKind getKind() const { return Kind; }
+
+  /// Get the child of this expression.
+  const MCExpr *getSubExpr() const { return Expr; }
+
+  void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
+  bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
+                                 const MCFixup *Fixup) const override;
+  void visitUsedExpr(MCStreamer &Streamer) const override;
+  MCFragment *findAssociatedFragment() const override {
+    return getSubExpr()->findAssociatedFragment();
+  }
+
+  void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
+};
+} // end namespace llvm
+
+#endif