// ConstValue returns the SSA Value denoted by the source-level named // constant obj. // func (prog *Program) ConstValue(obj *types.Const) *Const { // TODO(adonovan): opt: share (don't reallocate) // Consts for const objects and constant ast.Exprs. // Universal constant? {true,false,nil} if obj.Parent() == types.Universe { return NewConst(obj.Val(), obj.Type()) } // Package-level named constant? if v := prog.packageLevelValue(obj); v != nil { return v.(*Const) } return NewConst(obj.Val(), obj.Type()) }