1 // RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s 2 3 struct MyClass { 4 template <int i> int add(int j) { 5 return i + j; 6 } 7 virtual void func() { 8 } 9 }; 10 11 int add2(int x) { 12 return MyClass().add<2>(x); 13 } 14 15 inline int add3(int x) { 16 return MyClass().add<3>(x); // even though add<3> is ODR used, don't emit it since we don't codegen it 17 } 18 19 // CHECK: [[FOO_MEM:![0-9]*]], i32 0, null, null, metadata !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] 20 // CHECK: [[FOO_MEM]] = metadata !{metadata [[FOO_FUNC:![0-9]*]]} 21 // CHECK: [[FOO_FUNC]] = {{.*}}, metadata !"_ZN3foo4funcEN5outerIS_E5innerE", i32 {{[0-9]*}}, metadata [[FOO_FUNC_TYPE:![0-9]*]], {{.*}} ; [ DW_TAG_subprogram ] {{.*}} [func] 22 // CHECK: [[FOO_FUNC_TYPE]] = {{.*}}, metadata [[FOO_FUNC_PARAMS:![0-9]*]], i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] 23 // CHECK: [[FOO_FUNC_PARAMS]] = metadata !{null, metadata !{{[0-9]*}}, metadata [[OUTER_FOO_INNER:![0-9]*]]} 24 // CHECK: [[OUTER_FOO_INNER]] = {{.*}} ; [ DW_TAG_structure_type ] [inner] 25 26 // CHECK: metadata [[VIRT_MEM:![0-9]*]], i32 0, metadata !"_ZTS4virtI4elemE", metadata [[VIRT_TEMP_PARAM:![0-9]*]], metadata !"_ZTS4virtI4elemE"} ; [ DW_TAG_structure_type ] [virt<elem>] {{.*}} [def] 27 // CHECK: [[VIRT_TEMP_PARAM]] = metadata !{metadata [[VIRT_T:![0-9]*]]} 28 // CHECK: [[VIRT_T]] = {{.*}}, metadata !"T", metadata !"_ZTS4elem", {{.*}} ; [ DW_TAG_template_type_parameter ] 29 30 // CHECK: [[C:![0-9]*]] = {{.*}}, metadata [[C_MEM:![0-9]*]], i32 0, metadata !"_ZTS7MyClass", null, metadata !"_ZTS7MyClass"} ; [ DW_TAG_structure_type ] [MyClass] 31 // CHECK: [[C_MEM]] = metadata !{metadata [[C_VPTR:![0-9]*]], metadata [[C_ADD:![0-9]*]], metadata [[C_FUNC:![0-9]*]], metadata [[C_CTOR:![0-9]*]]} 32 // CHECK: [[C_VPTR]] = {{.*}} ; [ DW_TAG_member ] [_vptr$MyClass] 33 34 // CHECK: [[C_ADD]] = {{.*}} ; [ DW_TAG_subprogram ] [line 4] [add<2>] 35 // CHECK: [[C_FUNC]] = {{.*}} ; [ DW_TAG_subprogram ] [line 7] [func] 36 // CHECK: [[C_CTOR]] = {{.*}} ; [ DW_TAG_subprogram ] [line 0] [MyClass] 37 38 // CHECK: [[ELEM:![0-9]*]] = {{.*}}, metadata [[ELEM_MEM:![0-9]*]], i32 0, null, null, metadata !"_ZTS4elem"} ; [ DW_TAG_structure_type ] [elem] {{.*}} [def] 39 // CHECK: [[ELEM_MEM]] = metadata !{metadata [[ELEM_X:![0-9]*]]} 40 // CHECK: [[ELEM_X]] = {{.*}} ; [ DW_TAG_member ] [x] {{.*}} [static] [from _ZTS4virtI4elemE] 41 42 template<typename T> 43 struct outer { 44 struct inner { 45 int i; 46 }; 47 }; 48 49 struct foo { 50 void func(outer<foo>::inner); 51 }; 52 53 inline void func() { 54 // require 'foo' to be complete before the emission of 'inner' so that, when 55 // constructing the context chain for 'x' we emit the full definition of 56 // 'foo', which requires the definition of 'inner' again 57 foo f; 58 } 59 60 outer<foo>::inner x; 61 62 // CHECK: metadata [[OUTER_FOO_INNER]], i32 {{[0-9]*}}, i32 {{[0-9]*}}, %"struct.outer<foo>::inner"* @x, {{.*}} ; [ DW_TAG_variable ] [x] 63 64 template <typename T> 65 struct virt { 66 T* values; 67 virtual ~virt(); 68 }; 69 struct elem { 70 static virt<elem> x; // ensure that completing 'elem' will require/completing 'virt<elem>' 71 }; 72 inline void f1() { 73 elem e; // ensure 'elem' is required to be complete when it is emitted as a template argument for 'virt<elem>' 74 }; 75 void f2() { 76 virt<elem> d; // emit 'virt<elem>' 77 } 78 79