1 // RUN: llvm-tblgen %s | FileCheck %s 2 3 class Base<list<int> v> { 4 list<int> values = v; 5 } 6 7 class Derived<list<int> v> : Base<!if(!empty(v),[0],v)>; 8 9 multiclass Multi<list<list<list<int>>> v> { 10 def ONE : Derived<!if(!empty(v),[]<int>,!if(!empty(!head(v)),[]<int>,v[0][0]))>; 11 def TWO : Derived<!if(!empty(v),[]<int>,!if(!empty(!tail(v)),!if(!empty(!head(v)),[]<int>,v[0][0]),v[1][0]))>; 12 } 13 14 defm Def : Multi<[[[]],[[1, 2, 3]]]>; 15 16 // CHECK: values = [0] 17 // CHECK: values = [1, 2, 3] 18