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diff --git a/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h b/contrib/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h
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+//===-- PPCMCExpr.h - PPC 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_POWERPC_MCTARGETDESC_PPCMCEXPR_H
+#define LLVM_LIB_TARGET_POWERPC_MCTARGETDESC_PPCMCEXPR_H
+
+#include "llvm/MC/MCAsmLayout.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
+
+namespace llvm {
+
+class PPCMCExpr : public MCTargetExpr {
+public:
+ enum VariantKind {
+ VK_PPC_None,
+ VK_PPC_LO,
+ VK_PPC_HI,
+ VK_PPC_HA,
+ VK_PPC_HIGHER,
+ VK_PPC_HIGHERA,
+ VK_PPC_HIGHEST,
+ VK_PPC_HIGHESTA
+ };
+
+private:
+ const VariantKind Kind;
+ const MCExpr *Expr;
+ bool IsDarwin;
+
+ int64_t evaluateAsInt64(int64_t Value) const;
+
+ explicit PPCMCExpr(VariantKind Kind, const MCExpr *Expr, bool IsDarwin)
+ : Kind(Kind), Expr(Expr), IsDarwin(IsDarwin) {}
+
+public:
+ /// @name Construction
+ /// @{
+
+ static const PPCMCExpr *create(VariantKind Kind, const MCExpr *Expr,
+ bool isDarwin, MCContext &Ctx);
+
+ static const PPCMCExpr *createLo(const MCExpr *Expr,
+ bool isDarwin, MCContext &Ctx) {
+ return create(VK_PPC_LO, Expr, isDarwin, Ctx);
+ }
+
+ static const PPCMCExpr *createHi(const MCExpr *Expr,
+ bool isDarwin, MCContext &Ctx) {
+ return create(VK_PPC_HI, Expr, isDarwin, Ctx);
+ }
+
+ static const PPCMCExpr *createHa(const MCExpr *Expr,
+ bool isDarwin, MCContext &Ctx) {
+ return create(VK_PPC_HA, Expr, isDarwin, Ctx);
+ }
+
+ /// @}
+ /// @name Accessors
+ /// @{
+
+ /// 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; }
+
+ /// isDarwinSyntax - True if expression is to be printed using Darwin syntax.
+ bool isDarwinSyntax() const { return IsDarwin; }
+
+
+ /// @}
+
+ 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();
+ }
+
+ // There are no TLS PPCMCExprs at the moment.
+ void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override {}
+
+ bool evaluateAsConstant(int64_t &Res) const;
+
+ static bool classof(const MCExpr *E) {
+ return E->getKind() == MCExpr::Target;
+ }
+};
+} // end namespace llvm
+
+#endif
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