| 1 | // RUN: %clang -S -emit-llvm -target x86_64-unknown_unknown -g %s -o - -std=c++11 | FileCheck %s |
| 2 | |
| 3 | // CHECK: @tci = dso_local global %"struct.TC<unsigned int, 2, &glb, &foo::e, &foo::f, &foo::g, 1, 2, 3>::nested" zeroinitializer, align 1, !dbg [[TCI:![0-9]+]] |
| 4 | // CHECK: @tcn = dso_local global %struct.TC zeroinitializer, align 1, !dbg [[TCN:![0-9]+]] |
| 5 | // CHECK: @nn = dso_local global %struct.NN zeroinitializer, align 1, !dbg [[NN:![0-9]+]] |
| 6 | |
| 7 | // CHECK: !DICompileUnit( |
| 8 | // CHECK: [[EMPTY:![0-9]*]] = !{} |
| 9 | |
| 10 | struct foo { |
| 11 | char pad[8]; // make the member pointer to 'e' a bit more interesting (nonzero) |
| 12 | int e; |
| 13 | void f(); |
| 14 | static void g(); |
| 15 | }; |
| 16 | |
| 17 | typedef int foo::*foo_mem; |
| 18 | |
| 19 | template<typename T, T, const int *x, foo_mem a, void (foo::*b)(), void (*f)(), int ...Is> |
| 20 | struct TC { |
| 21 | struct nested { |
| 22 | }; |
| 23 | }; |
| 24 | |
| 25 | int glb; |
| 26 | void func(); |
| 27 | |
| 28 | // CHECK: [[TCI]] = !DIGlobalVariableExpression(var: [[TCIV:.*]], expr: !DIExpression()) |
| 29 | // CHECK: [[TCIV]] = distinct !DIGlobalVariable(name: "tci", |
| 30 | // CHECK-SAME: type: ![[TCNESTED:[0-9]+]] |
| 31 | // CHECK: ![[TCNESTED]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "nested", |
| 32 | // CHECK-SAME: scope: ![[TC:[0-9]+]], |
| 33 | |
| 34 | // CHECK: ![[TC]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "TC<unsigned int, 2, &glb, &foo::e, &foo::f, &foo::g, 1, 2, 3>" |
| 35 | // CHECK-SAME: templateParams: [[TCARGS:![0-9]*]] |
| 36 | TC |
| 37 | // CHECK: [[TCARGS]] = !{[[TCARG1:![0-9]*]], [[TCARG2:![0-9]*]], [[TCARG3:![0-9]*]], [[TCARG4:![0-9]*]], [[TCARG5:![0-9]*]], [[TCARG6:![0-9]*]], [[TCARG7:![0-9]*]]} |
| 38 | // CHECK: [[TCARG1]] = !DITemplateTypeParameter(name: "T", type: [[UINT:![0-9]*]]) |
| 39 | // CHECK: [[UINT:![0-9]*]] = !DIBasicType(name: "unsigned int" |
| 40 | < unsigned, |
| 41 | // CHECK: [[TCARG2]] = !DITemplateValueParameter(type: [[UINT]], value: i32 2) |
| 42 | 2, |
| 43 | // CHECK: [[TCARG3]] = !DITemplateValueParameter(name: "x", type: [[CINTPTR:![0-9]*]], value: i32* @glb) |
| 44 | // CHECK: [[CINTPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, {{.*}}baseType: [[CINT:![0-9]+]] |
| 45 | // CHECK: [[CINT]] = !DIDerivedType(tag: DW_TAG_const_type, {{.*}}baseType: [[INT:![0-9]+]] |
| 46 | // CHECK: [[INT]] = !DIBasicType(name: "int" |
| 47 | &glb, |
| 48 | // CHECK: [[TCARG4]] = !DITemplateValueParameter(name: "a", type: [[MEMINTPTR:![0-9]*]], value: i64 8) |
| 49 | // CHECK: [[MEMINTPTR]] = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, {{.*}}baseType: [[INT]], {{.*}}extraData: ![[FOO:[0-9]+]]) |
| 50 | // |
| 51 | // We could just emit a declaration of 'foo' here, rather than the entire |
| 52 | // definition (same goes for any time we emit a member (function or data) |
| 53 | // pointer type) |
| 54 | // CHECK: [[FOO]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "foo", {{.*}}identifier: "_ZTS3foo") |
| 55 | // CHECK: !DISubprogram(name: "f", linkageName: "_ZN3foo1fEv", {{.*}}type: [[FTYPE:![0-9]*]] |
| 56 | // |
| 57 | // Currently Clang emits the pointer-to-member-function value, but LLVM doesn't |
| 58 | // use it (GCC doesn't emit a value for pointers to member functions either - so |
| 59 | // it's not clear what, if any, format would be acceptable to GDB) |
| 60 | // |
| 61 | // CHECK: [[FTYPE:![0-9]*]] = !DISubroutineType(types: [[FARGS:![0-9]*]]) |
| 62 | // CHECK: [[FARGS]] = !{null, [[FARG1:![0-9]*]]} |
| 63 | // CHECK: [[FARG1]] = !DIDerivedType(tag: DW_TAG_pointer_type, |
| 64 | // CHECK-SAME: baseType: ![[FOO]] |
| 65 | // CHECK-NOT: line: |
| 66 | // CHECK-SAME: size: 64 |
| 67 | // CHECK-NOT: offset: 0 |
| 68 | // CHECK-SAME: DIFlagArtificial |
| 69 | // CHECK: [[FUNTYPE:![0-9]*]] = !DISubroutineType(types: [[FUNARGS:![0-9]*]]) |
| 70 | // CHECK: [[FUNARGS]] = !{null} |
| 71 | &foo::e, |
| 72 | // CHECK: [[TCARG5]] = !DITemplateValueParameter(name: "b", type: [[MEMFUNPTR:![0-9]*]], value: { i64, i64 } { i64 ptrtoint (void (%struct.foo*)* @_ZN3foo1fEv to i64), i64 0 }) |
| 73 | // CHECK: [[MEMFUNPTR]] = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, {{.*}}baseType: [[FTYPE]], {{.*}}extraData: ![[FOO]]) |
| 74 | &foo::f, |
| 75 | // CHECK: [[TCARG6]] = !DITemplateValueParameter(name: "f", type: [[FUNPTR:![0-9]*]], value: void ()* @_ZN3foo1gEv) |
| 76 | // CHECK: [[FUNPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[FUNTYPE]] |
| 77 | &foo::g, |
| 78 | // CHECK: [[TCARG7]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Is", value: [[TCARG7_VALS:![0-9]*]]) |
| 79 | // CHECK: [[TCARG7_VALS]] = !{[[TCARG7_1:![0-9]*]], [[TCARG7_2:![0-9]*]], [[TCARG7_3:![0-9]*]]} |
| 80 | // CHECK: [[TCARG7_1]] = !DITemplateValueParameter(type: [[INT]], value: i32 1) |
| 81 | 1, |
| 82 | // CHECK: [[TCARG7_2]] = !DITemplateValueParameter(type: [[INT]], value: i32 2) |
| 83 | 2, |
| 84 | // CHECK: [[TCARG7_3]] = !DITemplateValueParameter(type: [[INT]], value: i32 3) |
| 85 | 3>::nested tci; |
| 86 | |
| 87 | // CHECK: [[TCN]] = !DIGlobalVariableExpression(var: [[TCNV:.*]], expr: !DIExpression()) |
| 88 | // CHECK: [[TCNV]] = distinct !DIGlobalVariable(name: "tcn" |
| 89 | // CHECK-SAME: type: ![[TCNT:[0-9]+]] |
| 90 | TC |
| 91 | // CHECK: ![[TCNT]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "TC<int, -3, nullptr, nullptr, nullptr, nullptr>" |
| 92 | // CHECK-SAME: templateParams: [[TCNARGS:![0-9]*]] |
| 93 | // CHECK: [[TCNARGS]] = !{[[TCNARG1:![0-9]*]], [[TCNARG2:![0-9]*]], [[TCNARG3:![0-9]*]], [[TCNARG4:![0-9]*]], [[TCNARG5:![0-9]*]], [[TCNARG6:![0-9]*]], [[TCNARG7:![0-9]*]]} |
| 94 | // CHECK: [[TCNARG1]] = !DITemplateTypeParameter(name: "T", type: [[INT]]) |
| 95 | <int, |
| 96 | // CHECK: [[TCNARG2]] = !DITemplateValueParameter(type: [[INT]], value: i32 -3) |
| 97 | -3, |
| 98 | // CHECK: [[TCNARG3]] = !DITemplateValueParameter(name: "x", type: [[CINTPTR]], value: i8 0) |
| 99 | nullptr, |
| 100 | |
| 101 | // The interesting null pointer: -1 for member data pointers (since they are |
| 102 | // just an offset in an object, they can be zero and non-null for the first |
| 103 | // member) |
| 104 | |
| 105 | // CHECK: [[TCNARG4]] = !DITemplateValueParameter(name: "a", type: [[MEMINTPTR]], value: i64 -1) |
| 106 | nullptr, |
| 107 | // |
| 108 | // In some future iteration we could possibly emit the value of a null member |
| 109 | // function pointer as '{ i64, i64 } zeroinitializer' as it may be handled |
| 110 | // naturally from the LLVM CodeGen side once we decide how to handle non-null |
| 111 | // member function pointers. For now, it's simpler just to emit the 'i8 0'. |
| 112 | // |
| 113 | // CHECK: [[TCNARG5]] = !DITemplateValueParameter(name: "b", type: [[MEMFUNPTR]], value: i8 0) |
| 114 | nullptr, |
| 115 | // CHECK: [[TCNARG6]] = !DITemplateValueParameter(name: "f", type: [[FUNPTR]], value: i8 0) |
| 116 | nullptr |
| 117 | // CHECK: [[TCNARG7]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Is", value: [[EMPTY]]) |
| 118 | > tcn; |
| 119 | |
| 120 | template<typename> |
| 121 | struct tmpl_impl { |
| 122 | }; |
| 123 | |
| 124 | template <template <typename> class tmpl, int &lvr, int &&rvr> |
| 125 | struct NN { |
| 126 | }; |
| 127 | |
| 128 | // CHECK: [[NN]] = !DIGlobalVariableExpression(var: [[NNV:.*]], expr: !DIExpression()) |
| 129 | // CHECK: [[NNV]] = distinct !DIGlobalVariable(name: "nn" |
| 130 | // CHECK-SAME: type: ![[NNT:[0-9]+]] |
| 131 | |
| 132 | // FIXME: these parameters should probably be rendered as 'glb' rather than |
| 133 | // '&glb', since they're references, not pointers. |
| 134 | // CHECK: ![[NNT]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "NN<tmpl_impl, &glb, &glb>", |
| 135 | // CHECK-SAME: templateParams: [[NNARGS:![0-9]*]] |
| 136 | // CHECK-SAME: identifier: |
| 137 | // CHECK: [[NNARGS]] = !{[[NNARG1:![0-9]*]], [[NNARG2:![0-9]*]], [[NNARG3:![0-9]*]]} |
| 138 | // CHECK: [[NNARG1]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "tmpl", value: !"tmpl_impl") |
| 139 | // CHECK: [[NNARG2]] = !DITemplateValueParameter(name: "lvr", type: [[INTLVR:![0-9]*]], value: i32* @glb) |
| 140 | // CHECK: [[INTLVR]] = !DIDerivedType(tag: DW_TAG_reference_type, baseType: [[INT]] |
| 141 | // CHECK: [[NNARG3]] = !DITemplateValueParameter(name: "rvr", type: [[INTRVR:![0-9]*]], value: i32* @glb) |
| 142 | // CHECK: [[INTRVR]] = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: [[INT]] |
| 143 | NN<tmpl_impl, glb, glb> nn; |
| 144 | |
| 145 | // CHECK: ![[PADDINGATEND:[0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PaddingAtEnd", |
| 146 | struct PaddingAtEnd { |
| 147 | int i; |
| 148 | char c; |
| 149 | }; |
| 150 | |
| 151 | PaddingAtEnd PaddedObj = {}; |
| 152 | |
| 153 | // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "PaddingAtEndTemplate<&PaddedObj>" |
| 154 | // CHECK-SAME: templateParams: [[PTOARGS:![0-9]*]] |
| 155 | // CHECK: [[PTOARGS]] = !{[[PTOARG1:![0-9]*]]} |
| 156 | // CHECK: [[PTOARG1]] = !DITemplateValueParameter(type: [[CONST_PADDINGATEND_PTR:![0-9]*]], value: %struct.PaddingAtEnd* @PaddedObj) |
| 157 | // CHECK: [[CONST_PADDINGATEND_PTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[PADDINGATEND]], size: 64) |
| 158 | template <PaddingAtEnd *> |
| 159 | struct PaddingAtEndTemplate { |
| 160 | }; |
| 161 | |
| 162 | PaddingAtEndTemplate<&PaddedObj> PaddedTemplateObj; |
| 163 | |