clang/test/CodeGen/attr-btf_tag-dicomposite.c

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang -target x86_64 -g -S -emit-llvm -o - %s | FileCheck %s
   3
   4 #define __tag1 __attribute__((btf_decl_tag("tag1")))
   5 #define __tag2 __attribute__((btf_decl_tag("tag2")))
   6
   7 struct __tag1 __tag2 t1;
   8 struct t1 {
   9   int a;
  10 };
  11
  12 int foo(struct t1 *arg) {
  13   return arg->a;
  14 }
  15
  16 // CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t1", file: ![[#]], line: [[#]], size: 32, elements: ![[#]], annotations: ![[ANNOT:[0-9]+]])
  17 // CHECK: ![[ANNOT]] = !{![[TAG1:[0-9]+]], ![[TAG2:[0-9]+]]}
  18 // CHECK: ![[TAG1]] = !{!"btf_decl_tag", !"tag1"}
  19 // CHECK: ![[TAG2]] = !{!"btf_decl_tag", !"tag2"}
  20
  21 struct __tag1 t2;
  22 struct __tag2 t2 {
  23   int a;
  24 };
  25
  26 int foo2(struct t2 *arg) {
  27   return arg->a;
  28 }
  29
  30 // CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t2", file: ![[#]], line: [[#]], size: 32, elements: ![[#]], annotations: ![[ANNOT]])
  31
  32 struct __tag1 t3;
  33 struct t3 {
  34   int a;
  35 } __tag2;
  36
  37 int foo3(struct t3 *arg) {
  38   return arg->a;
  39 }
  40
  41 // CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t3", file: ![[#]], line: [[#]], size: 32, elements: ![[#]], annotations: ![[ANNOT]])
  42
  43 struct t4;
  44 struct t4 {
  45   int a;
  46 } __tag1 __tag2;
  47
  48 int foo4(struct t4 *arg) {
  49   return arg->a;
  50 }
  51
  52 // CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t4", file: ![[#]], line: [[#]], size: 32, elements: ![[#]], annotations: ![[ANNOT]])