1*0b57cec5SDimitry Andric //===-- ARMMCExpr.cpp - ARM specific MC expression classes ----------------===//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric 
9*0b57cec5SDimitry Andric #include "ARMMCExpr.h"
10*0b57cec5SDimitry Andric #include "llvm/MC/MCContext.h"
11*0b57cec5SDimitry Andric #include "llvm/MC/MCStreamer.h"
12*0b57cec5SDimitry Andric using namespace llvm;
13*0b57cec5SDimitry Andric 
14*0b57cec5SDimitry Andric #define DEBUG_TYPE "armmcexpr"
15*0b57cec5SDimitry Andric 
16*0b57cec5SDimitry Andric const ARMMCExpr*
create(VariantKind Kind,const MCExpr * Expr,MCContext & Ctx)17*0b57cec5SDimitry Andric ARMMCExpr::create(VariantKind Kind, const MCExpr *Expr,
18*0b57cec5SDimitry Andric                        MCContext &Ctx) {
19*0b57cec5SDimitry Andric   return new (Ctx) ARMMCExpr(Kind, Expr);
20*0b57cec5SDimitry Andric }
21*0b57cec5SDimitry Andric 
printImpl(raw_ostream & OS,const MCAsmInfo * MAI) const22*0b57cec5SDimitry Andric void ARMMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
23*0b57cec5SDimitry Andric   switch (Kind) {
24*0b57cec5SDimitry Andric   default: llvm_unreachable("Invalid kind!");
25*0b57cec5SDimitry Andric   case VK_ARM_HI16: OS << ":upper16:"; break;
26*0b57cec5SDimitry Andric   case VK_ARM_LO16: OS << ":lower16:"; break;
27*0b57cec5SDimitry Andric   }
28*0b57cec5SDimitry Andric 
29*0b57cec5SDimitry Andric   const MCExpr *Expr = getSubExpr();
30*0b57cec5SDimitry Andric   if (Expr->getKind() != MCExpr::SymbolRef)
31*0b57cec5SDimitry Andric     OS << '(';
32*0b57cec5SDimitry Andric   Expr->print(OS, MAI);
33*0b57cec5SDimitry Andric   if (Expr->getKind() != MCExpr::SymbolRef)
34*0b57cec5SDimitry Andric     OS << ')';
35*0b57cec5SDimitry Andric }
36*0b57cec5SDimitry Andric 
visitUsedExpr(MCStreamer & Streamer) const37*0b57cec5SDimitry Andric void ARMMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
38*0b57cec5SDimitry Andric   Streamer.visitUsedExpr(*getSubExpr());
39*0b57cec5SDimitry Andric }
40