1//===-- LanaiMCExpr.cpp - Lanai 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 "LanaiMCExpr.h"
10#include "llvm/MC/MCAssembler.h"
11#include "llvm/MC/MCContext.h"
12#include "llvm/MC/MCStreamer.h"
13using namespace llvm;
14
15#define DEBUG_TYPE "lanaimcexpr"
16
17const LanaiMCExpr *LanaiMCExpr::create(VariantKind Kind, const MCExpr *Expr,
18 MCContext &Ctx) {
19 return new (Ctx) LanaiMCExpr(Kind, Expr);
20}
21
22void LanaiMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
23 if (Kind == VK_Lanai_None) {
24 Expr->print(OS, MAI);
25 return;
26 }
27
28 switch (Kind) {
29 default:
30 llvm_unreachable("Invalid kind!");
31 case VK_Lanai_ABS_HI:
32 OS << "hi";
33 break;
34 case VK_Lanai_ABS_LO:
35 OS << "lo";
36 break;
37 }
38
39 OS << '(';
40 const MCExpr *Expr = getSubExpr();
41 Expr->print(OS, MAI);
42 OS << ')';
43}
44
45void LanaiMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
46 Streamer.visitUsedExpr(Expr: *getSubExpr());
47}
48
49bool LanaiMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
50 const MCAssembler *Asm,
51 const MCFixup *Fixup) const {
52 if (!getSubExpr()->evaluateAsRelocatable(Res, Asm, Fixup))
53 return false;
54
55 Res =
56 MCValue::get(SymA: Res.getSymA(), SymB: Res.getSymB(), Val: Res.getConstant(), RefKind: getKind());
57
58 return true;
59}
60