-const MCSymbol *MCSymbol::getBaseSymbol(const MCAsmLayout &Layout) const {
- if (!isVariable())
- return this;
-
- const MCExpr *Expr = getVariableValue();
- MCValue Value;
- if (!Expr->EvaluateAsRelocatable(Value, &Layout))
- return nullptr;
-
- if (Value.getSymB())
- return nullptr;
- if (const MCSymbolRefExpr *A = Value.getSymA())
- return &A->getSymbol();
- return nullptr;
-}
-