gcc/testsuite/gcc.dg/plugin/diagnostic-test-inlining-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-Wno-attributes -fdiagnostics-show-caret" } */
   3
   4 extern void __emit_warning (const char *message);
   5
   6 __attribute__((always_inline))
   7 static void depth_0 (void)
   8 {
   9   __emit_warning ("message");
  10 }
  11
  12 __attribute__((always_inline))
  13 static void depth_1 (void)
  14 {
  15   depth_0 ();
  16 }
  17
  18 __attribute__((always_inline))
  19 static void depth_2 (void)
  20 {
  21   depth_1 ();
  22 }
  23
  24 __attribute__((always_inline))
  25 static void depth_3 (void)
  26 {
  27   depth_2 ();
  28 }
  29
  30 __attribute__((always_inline))
  31 static void depth_4 (void)
  32 {
  33   depth_3 ();
  34 }
  35
  36 int main()
  37 {
  38   depth_4 ();
  39   return 0;
  40 }
  41
  42 /* Verify that the diagnostic subsytem describes the chain of inlining
  43    when reporting the warning, for an example showing many levels of
  44    inlining.  */
  45
  46 /* { dg-regexp "In function 'depth_0'," "" } */
  47 /* { dg-regexp "    inlined from 'depth_1' at .+/diagnostic-test-inlining-4.c:15:3," "" } */
  48 /* { dg-regexp "    inlined from 'depth_2' at .+/diagnostic-test-inlining-4.c:21:3," "" } */
  49 /* { dg-regexp "    inlined from 'depth_3' at .+/diagnostic-test-inlining-4.c:27:3," "" } */
  50 /* { dg-regexp "    inlined from 'depth_4' at .+/diagnostic-test-inlining-4.c:33:3," "" } */
  51 /* { dg-regexp "    inlined from 'main' at .+/diagnostic-test-inlining-4.c:38:3:" "" } */
  52 /* { dg-warning "3: message" "" { target *-*-* } 9 } */
  53 /* { dg-begin-multiline-output "" }
  54    __emit_warning ("message");
  55    ^~~~~~~~~~~~~~~~~~~~~~~~~~
  56    { dg-end-multiline-output "" } */