clang/test/CodeGen/attr-btf_tag-field.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 t1 {
   8   int a __tag1 __tag2;
   9 };
  10
  11 int foo(struct t1 *arg) {
  12   return arg->a;
  13 }
  14
  15 struct t2 {
  16   int b:1 __tag1 __tag2;
  17 };
  18
  19 int foo2(struct t2 *arg) {
  20   return arg->b;
  21 }
  22 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "a", scope: ![[#]], file: ![[#]], line: [[#]], baseType: ![[#]], size: 32, annotations: ![[ANNOT:[0-9]+]])
  23 // CHECK: ![[ANNOT]] = !{![[TAG1:[0-9]+]], ![[TAG2:[0-9]+]]}
  24 // CHECK: ![[TAG1]] = !{!"btf_decl_tag", !"tag1"}
  25 // CHECK: ![[TAG2]] = !{!"btf_decl_tag", !"tag2"}
  26
  27 // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "b", scope: ![[#]], file: ![[#]], line: [[#]], baseType: ![[#]], size: 1, flags: DIFlagBitField, extraData: i64 0, annotations: ![[ANNOT]])