| // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm \ |
| // RUN: -debug-info-kind=standalone -std=c++26 %s -o - | FileCheck %s |
| |
| |
| // CHECK: ![[PACK1:[0-9]+]] = distinct !DISubprogram(name: "capture_pack<int>" |
| // CHECK: ![[PACK2:[0-9]+]] = distinct !DISubprogram(name: "capture_pack<int, int>" |
| // CHECK: ![[PACK3:[0-9]+]] = distinct !DISubprogram(name: "capture_pack_and_locals<int>" |
| // CHECK: ![[PACK4:[0-9]+]] = distinct !DISubprogram(name: "capture_pack_and_locals<int, int>" |
| // CHECK: ![[PACK5:[0-9]+]] = distinct !DISubprogram(name: "capture_pack_and_this<int>" |
| // CHECK: ![[PACK6:[0-9]+]] = distinct !DISubprogram(name: "capture_pack_and_this<int, int>" |
| // CHECK: ![[PACK7:[0-9]+]] = distinct !DISubprogram(name: "capture_binding_and_param_pack<int, int>" |
| |
| template<typename... Args> |
| auto capture_pack(Args... args) { |
| return [args..., ...params = args] { |
| return 0; |
| }(); |
| } |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK1]] |
| // CHECK-SAME: elements: ![[PACK1_ELEMS:[0-9]+]] |
| // CHECK-DAG: ![[PACK1_ELEMS]] = !{![[PACK1_ARGS:[0-9]+]], ![[PACK1_PARAMS:[0-9]+]]} |
| // CHECK-DAG: ![[PACK1_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK1_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK2]] |
| // CHECK-SAME: elements: ![[PACK2_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK2_ELEMS]] = !{![[PACK2_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK2_ARGS]] |
| // CHECK-SAME: ![[PACK2_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK2_PARAMS]]} |
| // CHECK-DAG: ![[PACK2_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK2_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| template<typename... Args> |
| auto capture_pack_and_locals(int x, Args... args) { |
| int w = 0; |
| return [=, &args..., &x, ...params = args] { |
| return w; |
| }(); |
| } |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK3]] |
| // CHECK-SAME: elements: ![[PACK3_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK3_ELEMS]] = !{![[PACK3_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK3_X:[0-9]+]] |
| // CHECK-SAME: ![[PACK3_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK3_W:[0-9]+]]} |
| // CHECK-DAG: ![[PACK3_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: !DIDerivedType(tag: DW_TAG_reference_type |
| // CHECK-DAG: ![[PACK3_X]] = !DIDerivedType(tag: DW_TAG_member, name: "x" |
| // CHECK-DAG: ![[PACK3_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-DAG: ![[PACK3_W]] = !DIDerivedType(tag: DW_TAG_member, name: "w" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK4]] |
| // CHECK-SAME: elements: ![[PACK4_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK4_ELEMS]] = !{![[PACK4_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK4_ARGS]] |
| // CHECK-SAME: ![[PACK4_X:[0-9]+]] |
| // CHECK-SAME: ![[PACK4_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK4_PARAMS]] |
| // CHECK-SAME: ![[PACK4_W:[0-9]+]]} |
| // CHECK-DAG: ![[PACK4_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK4_X]] = !DIDerivedType(tag: DW_TAG_member, name: "x" |
| // CHECK-DAG: ![[PACK4_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-DAG: ![[PACK4_W]] = !DIDerivedType(tag: DW_TAG_member, name: "w" |
| // CHECK-NOT: DW_TAG_member |
| |
| struct Foo { |
| template<typename... Args> |
| auto capture_pack_and_this(Args... args) { |
| auto val1 = [this, args..., ...params = args] { |
| return w; |
| }(); |
| |
| auto val2 = [args..., this, ...params = args] { |
| return w; |
| }(); |
| |
| auto val3 = [args..., ...params = args, this] { |
| return w; |
| }(); |
| |
| return val1 + val2 + val3; |
| } |
| |
| int w = 10; |
| } f; |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK5]] |
| // CHECK-SAME: elements: ![[PACK5a_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK5a_ELEMS]] = !{![[PACK5a_THIS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5a_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5a_PARAMS:[0-9]+]]} |
| // CHECK-DAG: ![[PACK5a_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-DAG: ![[PACK5a_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK5a_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK5]] |
| // CHECK-SAME: elements: ![[PACK5b_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK5b_ELEMS]] = !{![[PACK5b_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5b_THIS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5b_PARAMS:[0-9]+]]} |
| // CHECK-DAG: ![[PACK5b_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK5b_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-DAG: ![[PACK5b_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK5]] |
| // CHECK: elements: ![[PACK5c_ELEMS:[0-9]+]] |
| // CHECK-NEXT: ![[PACK5c_ELEMS]] = !{![[PACK5c_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5c_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK5c_THIS:[0-9]+]]} |
| // CHECK-DAG: ![[PACK5c_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK5c_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-DAG: ![[PACK5c_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK6]] |
| // CHECK-SAME: elements: ![[PACK6a_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK6a_ELEMS]] = !{![[PACK6a_THIS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6a_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6a_ARGS]] |
| // CHECK-SAME: ![[PACK6a_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6a_PARAMS]] |
| // CHECK-DAG: ![[PACK6a_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-DAG: ![[PACK6a_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK6a_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK6]] |
| // CHECK-SAME: elements: ![[PACK6b_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK6b_ELEMS]] = !{![[PACK6b_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6b_ARGS]] |
| // CHECK-SAME: ![[PACK6b_THIS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6b_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6b_PARAMS]]} |
| // CHECK-DAG: ![[PACK6b_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK6b_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-DAG: ![[PACK6b_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-NOT: DW_TAG_member |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK6]] |
| // CHECK-SAME: elements: ![[PACK6c_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK6c_ELEMS]] = !{![[PACK6c_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6c_ARGS]] |
| // CHECK-SAME: ![[PACK6c_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK6c_PARAMS]] |
| // CHECK-SAME: ![[PACK6c_THIS:[0-9]+]]} |
| // CHECK-DAG: ![[PACK6c_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK6c_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-DAG: ![[PACK6c_THIS]] = !DIDerivedType(tag: DW_TAG_member, name: "this" |
| // CHECK-NOT: DW_TAG_member |
| |
| template<typename... Args> |
| auto capture_binding_and_param_pack(Args... args) { |
| struct C { int x = 2; int y = 3; }; |
| |
| auto [x, ...e] = C(); |
| |
| return [&, args..., x, ...params = args, |
| ...es = e] { |
| return e...[0] + es...[0]; |
| }(); |
| } |
| |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C" |
| // CHECK: distinct !DICompositeType(tag: DW_TAG_class_type, scope: ![[PACK7]] |
| // CHECK-SAME: elements: ![[PACK7_ELEMS:[0-9]+]] |
| // CHECK: ![[PACK7_ELEMS]] = !{![[PACK7_ARGS:[0-9]+]] |
| // CHECK-SAME: ![[PACK7_ARGS]] |
| // CHECK-SAME: ![[PACK7_X:[0-9]+]] |
| // CHECK-SAME: ![[PACK7_PARAMS:[0-9]+]] |
| // CHECK-SAME: ![[PACK7_PARAMS]] |
| // CHECK-SAME: ![[PACK7_ES:[0-9]+]] |
| // CHECK-SAME: ![[PACK7_E:[0-9]+]]} |
| // CHECK-DAG: ![[PACK7_ARGS]] = !DIDerivedType(tag: DW_TAG_member, name: "args" |
| // CHECK-DAG: ![[PACK7_X]] = !DIDerivedType(tag: DW_TAG_member, name: "x" |
| // CHECK-DAG: ![[PACK7_PARAMS]] = !DIDerivedType(tag: DW_TAG_member, name: "params" |
| // CHECK-DAG: ![[PACK7_ES]] = !DIDerivedType(tag: DW_TAG_member, name: "es" |
| // CHECK-DAG: ![[PACK7_E]] = !DIDerivedType(tag: DW_TAG_member, name: "e" |
| // CHECK-NOT: DW_TAG_member |
| |
| int main() { |
| return capture_pack(1) |
| + capture_pack(1, 2) |
| + capture_pack_and_locals(1, 2) |
| + capture_pack_and_locals(1, 2, 3) |
| + f.capture_pack_and_this(1) |
| + f.capture_pack_and_this(1, 2) |
| + capture_binding_and_param_pack(1, 2); |
| } |
