1 files changed, 66 insertions, 0 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCExpr.h b/lib/Target/Mips/MCTargetDesc/MipsMCExpr.h
new file mode 100644
index 0000000..722bba7
--- /dev/null
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCExpr.h
@@ -0,0 +1,66 @@
+//===-- MipsMCExpr.h - Mips 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 MIPSMCEXPR_H
+#define MIPSMCEXPR_H
+
+#include "llvm/MC/MCAsmLayout.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
+
+namespace llvm {
+
+class MipsMCExpr : public MCTargetExpr {
+public:
+  enum VariantKind {
+    VK_Mips_None,
+    VK_Mips_LO,
+    VK_Mips_HI,
+    VK_Mips_HIGHER,
+    VK_Mips_HIGHEST
+  };
+
+private:
+  const VariantKind Kind;
+  const MCExpr *Expr;
+
+  explicit MipsMCExpr(VariantKind Kind, const MCExpr *Expr)
+    : Kind(Kind), Expr(Expr) {}
+
+public:
+  static bool isSupportedBinaryExpr(MCSymbolRefExpr::VariantKind VK,
+                                    const MCBinaryExpr *BE);
+
+  static const MipsMCExpr *Create(MCSymbolRefExpr::VariantKind VK,
+                                  const MCExpr *Expr, MCContext &Ctx);
+
+  /// getOpcode - Get the kind of this expression.
+  VariantKind getKind() const { return Kind; }
+
+  /// getSubExpr - Get the child of this expression.
+  const MCExpr *getSubExpr() const { return Expr; }
+
+  void PrintImpl(raw_ostream &OS) const;
+  bool EvaluateAsRelocatableImpl(MCValue &Res,
+                                 const MCAsmLayout *Layout) const;
+  void AddValueSymbols(MCAssembler *) const;
+  const MCSection *FindAssociatedSection() const {
+    return getSubExpr()->FindAssociatedSection();
+  }
+
+  // There are no TLS MipsMCExprs at the moment.
+  void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {}
+
+  static bool classof(const MCExpr *E) {
+    return E->getKind() == MCExpr::Target;
+  }
+};
+} // end namespace llvm
+
+#endif