50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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//===-- SystemZMCExpr.cpp - SystemZ specific MC expression classes --------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "SystemZMCExpr.h"
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#include "llvm/MC/MCContext.h"
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using namespace llvm;
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#define DEBUG_TYPE "systemzmcexpr"
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const SystemZMCExpr *SystemZMCExpr::create(VariantKind Kind, const MCExpr *Expr,
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MCContext &Ctx) {
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return new (Ctx) SystemZMCExpr(Kind, Expr);
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}
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StringRef SystemZMCExpr::getVariantKindName() const {
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switch (static_cast<uint32_t>(getKind())) {
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case VK_SystemZ_None:
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return "A";
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case VK_SystemZ_RCon:
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return "R";
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case VK_SystemZ_VCon:
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return "V";
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default:
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llvm_unreachable("Invalid kind");
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}
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}
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void SystemZMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
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OS << getVariantKindName() << '(';
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Expr->print(OS, MAI);
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OS << ')';
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}
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bool SystemZMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
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const MCAsmLayout *Layout,
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const MCFixup *Fixup) const {
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if (!getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup))
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return false;
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Res =
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MCValue::get(Res.getSymA(), Res.getSymB(), Res.getConstant(), getKind());
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return true;
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}
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