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-rw-r--r--contrib/llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.h79
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diff --git a/contrib/llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.h b/contrib/llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.h
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+++ b/contrib/llvm/lib/Target/ARM/MCTargetDesc/ARMMCExpr.h
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+//===-- ARMMCExpr.h - ARM 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_ARM_MCTARGETDESC_ARMMCEXPR_H
+#define LLVM_LIB_TARGET_ARM_MCTARGETDESC_ARMMCEXPR_H
+
+#include "llvm/MC/MCExpr.h"
+
+namespace llvm {
+
+class ARMMCExpr : public MCTargetExpr {
+public:
+ enum VariantKind {
+ VK_ARM_None,
+ VK_ARM_HI16, // The R_ARM_MOVT_ABS relocation (:upper16: in the .s file)
+ VK_ARM_LO16 // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the .s file)
+ };
+
+private:
+ const VariantKind Kind;
+ const MCExpr *Expr;
+
+ explicit ARMMCExpr(VariantKind Kind, const MCExpr *Expr)
+ : Kind(Kind), Expr(Expr) {}
+
+public:
+ /// @name Construction
+ /// @{
+
+ static const ARMMCExpr *create(VariantKind Kind, const MCExpr *Expr,
+ MCContext &Ctx);
+
+ static const ARMMCExpr *createUpper16(const MCExpr *Expr, MCContext &Ctx) {
+ return create(VK_ARM_HI16, Expr, Ctx);
+ }
+
+ static const ARMMCExpr *createLower16(const MCExpr *Expr, MCContext &Ctx) {
+ return create(VK_ARM_LO16, Expr, 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; }
+
+ /// @}
+
+ void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
+ bool evaluateAsRelocatableImpl(MCValue &Res,
+ const MCAsmLayout *Layout,
+ const MCFixup *Fixup) const override {
+ return false;
+ }
+ void visitUsedExpr(MCStreamer &Streamer) const override;
+ MCFragment *findAssociatedFragment() const override {
+ return getSubExpr()->findAssociatedFragment();
+ }
+
+ // There are no TLS ARMMCExprs at the moment.
+ void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override {}
+
+ static bool classof(const MCExpr *E) {
+ return E->getKind() == MCExpr::Target;
+ }
+};
+} // end namespace llvm
+
+#endif
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