49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//===-- 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;
|
|
}
|