clang/test/Sema/bpf-attr-bpf-fastcall.c

   1 // REQUIRES: bpf-registered-target
   2 // RUN: %clang_cc1 %s -triple bpf -verify
   3
   4 __attribute__((bpf_fastcall)) int var; // expected-warning {{'bpf_fastcall' attribute only applies to functions and function pointers}}
   5
   6 __attribute__((bpf_fastcall)) void func();
   7 __attribute__((bpf_fastcall(1))) void func_invalid(); // expected-error {{'bpf_fastcall' attribute takes no arguments}}
   8
   9 void (*ptr1)(void) __attribute__((bpf_fastcall));
  10 void (*ptr2)(void);
  11 void foo(void) {
  12   ptr2 = ptr1; // not an error
  13   ptr1 = ptr2; // not an error
  14 }