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Chris Lattner25ceb5f2010-02-08 22:09:08 +00001//===- X86MCTargetExpr.cpp - X86 Target Specific MCExpr Implementation ----===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "X86MCTargetExpr.h"
11#include "llvm/MC/MCContext.h"
12#include "llvm/MC/MCSymbol.h"
13#include "llvm/MC/MCValue.h"
14#include "llvm/Support/raw_ostream.h"
15using namespace llvm;
16
17X86MCTargetExpr *X86MCTargetExpr::Create(const MCSymbol *Sym, VariantKind K,
18 MCContext &Ctx) {
19 return new (Ctx) X86MCTargetExpr(Sym, K);
20}
21
22void X86MCTargetExpr::PrintImpl(raw_ostream &OS) const {
23 OS << *Sym;
24
25 switch (Kind) {
26 case GOT: OS << "@GOT"; break;
27 case PLT: OS << "@PLT"; break;
28 case GOTPCREL: OS << "@GOTPCREL"; break;
29 }
30}
31
32bool X86MCTargetExpr::EvaluateAsRelocatableImpl(MCValue &Res) const {
33 // FIXME: I don't know if this is right, it followed MCSymbolRefExpr.
34
35 // Evaluate recursively if this is a variable.
36 if (Sym->isVariable())
37 return Sym->getValue()->EvaluateAsRelocatable(Res);
38
39 Res = MCValue::get(Sym, 0, 0);
40 return true;
41}
42
43X86MCTargetExpr *foo(MCExpr *A) { return (X86MCTargetExpr*)A; }