llvm-project/clang/test/CodeGenObjCXX/debug-info-cyclic.mm

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// RUN: %clang_cc1 -triple x86_64-apple-darwin -g -emit-llvm %s -o - | FileCheck %s
struct B {
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "B"
// CHECK-SAME: line: [[@LINE-2]],
// CHECK-SAME: size: 8, align: 8,
// CHECK-NOT: offset:
// CHECK-NOT: DIFlagFwdDecl
// CHECK-SAME: elements: ![[BMEMBERS:[0-9]+]]
// CHECK-SAME: identifier: [[B:.*]])
// CHECK: ![[BMEMBERS]] = !{![[BB:[0-9]+]]}
B(struct A *);
// CHECK: ![[BB]] = !DISubprogram(name: "B", scope: ![[B]]
// CHECK-SAME: line: [[@LINE-2]],
// CHECK-SAME: type: ![[TY:[0-9]+]],
// CHECK: ![[TY]] = !DISubroutineType(types: ![[ARGS:[0-9]+]])
// CHECK: ![[ARGS]] = !{null, ![[THIS:[0-9]+]], !{{[^,]+}}}
// CHECK: ![[THIS]] = !DIDerivedType(tag: DW_TAG_pointer_type,
// CHECK-SAME: baseType: ![[B]]
};
struct C {
B b;
C(struct A *);
virtual ~C();
};
C::C(struct A *a)
: b(a) {
}