Fix use of uninitialized value added in r189400 (found by MemorySanitizer)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189456 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov 2013-08-28 08:30:47 +00:00
parent 862b504201
commit ead2d5a4be

View File

@ -54,7 +54,7 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout) const {
MCValue Value;
if (Layout && !getSubExpr()->EvaluateAsRelocatable(Value, *Layout))
if (!Layout || !getSubExpr()->EvaluateAsRelocatable(Value, *Layout))
return false;
if (Value.isAbsolute()) {
@ -85,7 +85,7 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
break;
}
Res = MCValue::get(Result);
} else if (Layout) {
} else {
MCContext &Context = Layout->getAssembler().getContext();
const MCSymbolRefExpr *Sym = Value.getSymA();
MCSymbolRefExpr::VariantKind Modifier = Sym->getKind();
@ -118,8 +118,7 @@ PPCMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
}
Sym = MCSymbolRefExpr::Create(&Sym->getSymbol(), Modifier, Context);
Res = MCValue::get(Sym, Value.getSymB(), Value.getConstant());
} else
return false;
}
return true;
}