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//===-- LanaiMCExpr.cpp - Lanai specific MC expression classes ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "LanaiMCExpr.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCStreamer.h"
using namespace llvm;
#define DEBUG_TYPE "lanaimcexpr"
const LanaiMCExpr *LanaiMCExpr::create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx) {
return new (Ctx) LanaiMCExpr(Kind, Expr);
}
void LanaiMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
if (Kind == VK_Lanai_None) {
Expr->print(OS, MAI);
return;
}
switch (Kind) {
default:
llvm_unreachable("Invalid kind!");
case VK_Lanai_ABS_HI:
OS << "hi";
break;
case VK_Lanai_ABS_LO:
OS << "lo";
break;
}
OS << '(';
const MCExpr *Expr = getSubExpr();
Expr->print(OS, MAI);
OS << ')';
}
void LanaiMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
Streamer.visitUsedExpr(*getSubExpr());
}
bool LanaiMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout,
const MCFixup *Fixup) const {
if (!getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup))
return false;
Res =
MCValue::get(Res.getSymA(), Res.getSymB(), Res.getConstant(), getKind());
return true;
}
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