Method value_is_real

cranelift/codegen/src/ir/dfg.rs:378–382

Check whether a value is valid and not an alias.

(&self, value: Value)

    /// Check whether a value is valid and not an alias.
    pub fn value_is_real(&self, value: Value) -> bool {
        // Deleted or unused values are also stored as aliases so this excludes
        // those as well.
        self.value_is_valid(value) && !matches!(self.values[value].into(), ValueData::Alias { .. })
    }

    /// Is the given value an alias?
    pub fn value_is_alias(&self, v: Value) -> bool {