1 // REQUIRES: bpf-registered-target
2 // RUN: %clang -target bpf -S -emit-llvm -g -O2 -o - %s | FileCheck %s
3
4 #define __decl_tag(x) __attribute__((btf_decl_tag(x)))
5
6 extern void foo(int aa __decl_tag("aa_tag"), long bb __decl_tag("bb_tag"));
7 extern void bar(char cc __decl_tag("cc_tag"));
8 extern void buz(int __decl_tag("buz_arg_tag"));
9
root(void)10 void root(void) {
11 foo(0, 1);
12 bar(0);
13 buz(0);
14 }
15 // CHECK: [[foo:![0-9]+]] = !DISubprogram(name: "foo", {{.*}}, retainedNodes: [[foo_nodes:![0-9]+]])
16 // CHECK: [[foo_nodes]] = !{[[aa:![0-9]+]], [[bb:![0-9]+]]}
17
18 // CHECK: [[aa]] = !DILocalVariable(name: "aa", arg: 1, scope: [[foo]], {{.*}}, annotations: [[aa_annot:![0-9]+]])
19 // CHECK: [[aa_annot]] = !{[[aa_tag:![0-9]+]]}
20 // CHECK: [[aa_tag]] = !{!"btf_decl_tag", !"aa_tag"}
21
22 // CHECK: [[bb]] = !DILocalVariable(name: "bb", arg: 2, scope: [[foo]], {{.*}}, annotations: [[bb_annot:![0-9]+]])
23 // CHECK: [[bb_annot]] = !{[[bb_tag:![0-9]+]]}
24 // CHECK: [[bb_tag]] = !{!"btf_decl_tag", !"bb_tag"}
25
26 // CHECK: [[bar:![0-9]+]] = !DISubprogram(name: "bar", {{.*}}, retainedNodes: [[bar_nodes:![0-9]+]])
27 // CHECK: [[bar_nodes]] = !{[[cc:![0-9]+]]}
28
29 // CHECK: [[cc]] = !DILocalVariable(name: "cc", arg: 1, scope: [[bar]], {{.*}}, annotations: [[cc_annot:![0-9]+]])
30 // CHECK: [[cc_annot]] = !{[[cc_tag:![0-9]+]]}
31 // CHECK: [[cc_tag]] = !{!"btf_decl_tag", !"cc_tag"}
32
33 // CHECK: [[buz:![0-9]+]] = !DISubprogram(name: "buz", {{.*}}, retainedNodes: [[buz_nodes:![0-9]+]])
34 // CHECK: [[buz_nodes]] = !{[[buz_arg:![0-9]+]]}
35
36 // CHECK: [[buz_arg]] = !DILocalVariable(arg: 1, scope: [[buz]], {{.*}}, annotations: [[buz_arg_annot:![0-9]+]])
37 // CHECK: [[buz_arg_annot]] = !{[[buz_arg_tag:![0-9]+]]}
38 // CHECK: [[buz_arg_tag]] = !{!"btf_decl_tag", !"buz_arg_tag"}
39