/// "Lfoo" or ".foo".
unsigned IsTemporary : 1;
+ /// IsUsedInExpr - True if this symbol has been used in an expression and
+ /// cannot be redefined.
+ unsigned IsUsedInExpr : 1;
+
private: // MCContext creates and uniques these.
friend class MCContext;
MCSymbol(StringRef name, bool isTemporary)
- : Name(name), Section(0), Value(0), IsTemporary(isTemporary) {}
+ : Name(name), Section(0), Value(0),
+ IsTemporary(isTemporary), IsUsedInExpr(false) {}
MCSymbol(const MCSymbol&); // DO NOT IMPLEMENT
void operator=(const MCSymbol&); // DO NOT IMPLEMENT
/// getName - Get the symbol name.
StringRef getName() const { return Name; }
- /// @name Symbol Type
+ /// @name Accessors
/// @{
/// isTemporary - Check if this is an assembler temporary symbol.
- bool isTemporary() const {
- return IsTemporary;
- }
+ bool isTemporary() const { return IsTemporary; }
+
+ /// isUsedInExpr - Check if this is an assembler temporary symbol.
+ bool isUsedInExpr() const { return IsUsedInExpr; }
+ void setUsedInExpr(bool Value) { IsUsedInExpr = Value; }
/// @}
/// @name Associated Sections
return Value;
}
- void setVariableValue(const MCExpr *Value) {
- assert(Value && "Invalid variable value!");
- this->Value = Value;
- }
+ void setVariableValue(const MCExpr *Value);
/// @}