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//===-- ARMMCExpr.cpp - ARM specific MC expression classes ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ARMMCExpr.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
using namespace llvm;
#define DEBUG_TYPE "armmcexpr"
const ARMMCExpr*
ARMMCExpr::Create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx) {
return new (Ctx) ARMMCExpr(Kind, Expr);
}
void ARMMCExpr::PrintImpl(raw_ostream &OS) const {
switch (Kind) {
default: llvm_unreachable("Invalid kind!");
case VK_ARM_HI16: OS << ":upper16:"; break;
case VK_ARM_LO16: OS << ":lower16:"; break;
}
const MCExpr *Expr = getSubExpr();
if (Expr->getKind() != MCExpr::SymbolRef)
OS << '(';
Expr->print(OS);
if (Expr->getKind() != MCExpr::SymbolRef)
OS << ')';
}
bool
ARMMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout) const {
return false;
}
void ARMMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
Streamer.visitUsedExpr(*getSubExpr());
}
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