1//===-- ARMMCExpr.cpp - ARM specific MC expression classes ----------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "ARMMCExpr.h"
10#include "llvm/MC/MCContext.h"
11#include "llvm/MC/MCStreamer.h"
12using namespace llvm;
13
14#define DEBUG_TYPE "armmcexpr"
15
16const ARMMCExpr*
17ARMMCExpr::create(VariantKind Kind, const MCExpr *Expr,
18 MCContext &Ctx) {
19 return new (Ctx) ARMMCExpr(Kind, Expr);
20}
21
22void ARMMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
23 switch (Kind) {
24 default: llvm_unreachable("Invalid kind!");
25 case VK_ARM_HI16:
26 OS << ":upper16:";
27 break;
28 case VK_ARM_LO16:
29 OS << ":lower16:";
30 break;
31 case VK_ARM_HI_8_15:
32 OS << ":upper8_15:";
33 break;
34 case VK_ARM_HI_0_7:
35 OS << ":upper0_7:";
36 break;
37 case VK_ARM_LO_8_15:
38 OS << ":lower8_15:";
39 break;
40 case VK_ARM_LO_0_7:
41 OS << ":lower0_7:";
42 break;
43 }
44
45 const MCExpr *Expr = getSubExpr();
46 if (Expr->getKind() != MCExpr::SymbolRef)
47 OS << '(';
48 Expr->print(OS, MAI);
49 if (Expr->getKind() != MCExpr::SymbolRef)
50 OS << ')';
51}
52
53void ARMMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
54 Streamer.visitUsedExpr(Expr: *getSubExpr());
55}
56