llvm-6502/lib/Target/ARM/MCTargetDesc/ARMMCExpr.cpp
2015-06-09 00:31:39 +00:00

42 lines
1.2 KiB
C++

//===-- 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"
#include "llvm/MC/MCStreamer.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 MCAsmInfo *MAI) 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, MAI);
if (Expr->getKind() != MCExpr::SymbolRef)
OS << ')';
}
void ARMMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
Streamer.visitUsedExpr(*getSubExpr());
}