1  /* { dg-do compile } */
       2  /* If configured with --enable-standard-branch-protection, disable it. */
       3  /* { dg-additional-options "-mbranch-protection=none" { target { default_branch_protection } } } */
       4  
       5  void f1 (void *);
       6  void f2 (void *);
       7  void f3 (void *, void (*)(void *));
       8  
       9  int
      10  retbr_trampolines (void *a, int b)
      11  {
      12    if (!b)
      13      {
      14        f1 (a);
      15        return 1;
      16      }
      17    if (b)
      18      {
      19        /* Suppress "ISO C forbids nested functions" warning. */
      20        _Pragma("GCC diagnostic push")
      21        _Pragma("GCC diagnostic ignored \"-Wpedantic\"")
      22        void retbr_tramp_internal (void *c)
      23        {
      24        _Pragma("GCC diagnostic pop")
      25          if (c == a)
      26            f2 (c);
      27        }
      28        f3 (a, retbr_tramp_internal);
      29      }
      30    return 0;
      31  }
      32  
      33  __attribute__((target("branch-protection=bti,arch=armv8.3-a")))
      34  int
      35  retbr_trampolines2 (void *a, int b)
      36  {
      37    if (!b)
      38      {
      39        f1 (a);
      40        return 1;
      41      }
      42    if (b)
      43      {
      44        /* Suppress "ISO C forbids nested functions" warning. */
      45        _Pragma("GCC diagnostic push")
      46        _Pragma("GCC diagnostic ignored \"-Wpedantic\"")
      47        __attribute__((target("branch-protection=bti,arch=armv8.3-a")))
      48        void retbr_tramp_internal2 (void *c)
      49        {
      50        _Pragma("GCC diagnostic pop")
      51          if (c == a)
      52            f2 (c);
      53        }
      54        f3 (a, retbr_tramp_internal2);
      55      }
      56    return 0;
      57  }
      58  
      59  /* Trampoline should have BTI C. */
      60  /* { dg-final { scan-assembler "\.LTRAMP0:\n\thint\t34" } } */