clang/test/Sema/bpf-attr-preserve-static-offset.c

   1 // RUN: %clang_cc1 -ast-dump -triple bpf-pc-linux-gnu %s | FileCheck %s
   2
   3 // The 'preserve_static_offset' attribute should be propagated to
   4 // inline declarations (foo's 'b', 'bb', 'c' but not 'd').
   5 //
   6 // CHECK:      RecordDecl {{.*}} struct foo definition
   7 // CHECK-NEXT:   BPFPreserveStaticOffsetAttr
   8 // CHECK-NEXT:   FieldDecl {{.*}} a
   9 // CHECK-NEXT:   RecordDecl {{.*}} struct definition
  10 // CHECK-NEXT:     FieldDecl {{.*}} aa
  11 // CHECK-NEXT:   FieldDecl {{.*}} b
  12 // CHECK-NEXT: RecordDecl {{.*}} union bar definition
  13 // CHECK-NEXT:   BPFPreserveStaticOffsetAttr
  14 // CHECK-NEXT:   FieldDecl {{.*}} a
  15 // CHECK-NEXT:   FieldDecl {{.*}} b
  16
  17 struct foo {
  18   int a;
  19   struct {
  20     int aa;
  21   } b;
  22 } __attribute__((preserve_static_offset));
  23
  24 union bar {
  25   int a;
  26   long b;
  27 } __attribute__((preserve_static_offset));