// REQUIRES: x86-registered-target
// RUN: %clang -target x86_64 -g -S -O2 -emit-llvm -o - %s | FileCheck %s

#define __tag1 __attribute__((btf_decl_tag("tag1")))
#define __tag2 __attribute__((btf_decl_tag("tag2")))

struct t1 {
  int a;
};

extern int __tag1 __tag2 foo(struct t1 *);
int foo2(struct t1 *arg) {
  return foo(arg);
}

// CHECK: ![[#]] = !DISubprogram(name: "foo", scope: ![[#]], file: ![[#]], line: [[#]], type: ![[#]], flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: ![[#]], annotations: ![[ANNOT:[0-9]+]])
// CHECK: ![[ANNOT]] = !{![[TAG1:[0-9]+]], ![[TAG2:[0-9]+]]}
// CHECK: ![[TAG1]] = !{!"btf_decl_tag", !"tag1"}
// CHECK: ![[TAG2]] = !{!"btf_decl_tag", !"tag2"}