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//===-- SystemZMCExpr.cpp - SystemZ 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 "SystemZMCExpr.h"
#include "llvm/MC/MCContext.h"
using namespace llvm;
#define DEBUG_TYPE "systemzmcexpr"
const SystemZMCExpr *SystemZMCExpr::create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx) {
return new (Ctx) SystemZMCExpr(Kind, Expr);
}
StringRef SystemZMCExpr::getVariantKindName() const {
switch (static_cast<uint32_t>(getKind())) {
case VK_SystemZ_None:
return "A";
case VK_SystemZ_RCon:
return "R";
case VK_SystemZ_VCon:
return "V";
default:
llvm_unreachable("Invalid kind");
}
}
void SystemZMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
OS << getVariantKindName() << '(';
Expr->print(OS, MAI);
OS << ')';
}
bool SystemZMCExpr::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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