gcc/testsuite/c-c++-common/analyzer/inlining-7.c

   1 /* Verify that we can reconstruct fndecl and stack depth information
   2    after early inlining.  */
   3
   4 /* { dg-additional-options "-O2 -fdiagnostics-show-path-depths" } */
   5
   6 /* We want the reconstructed call/return hierarchy to show
   7    that two calls happen at depth_3, without any spurious events
   8    popping the stack back any further.  */
   9
  10 static inline void
  11 depth_6 (void *p)
  12 {
  13   __builtin_free (p); /* { dg-warning "double-'free' of 'p1'" "warning" } */
  14  /* { dg-message "\\(7\\) first 'free' here \\(fndecl 'depth_6', depth 6\\)" "1st free message" { target c } .-1 } */
  15  /* { dg-message "\\(7\\) first 'free' here \\(fndecl 'void depth_6\\(void\\*\\)', depth 6\\)" "1st free message" { target c++ } .-2 } */
  16  /* { dg-message "\\(11\\) second 'free' here; first 'free' was at \\(7\\) \\(fndecl 'depth_6', depth 6\\)" "2nd free message" { target c } .-3 } */
  17  /* { dg-message "\\(11\\) second 'free' here; first 'free' was at \\(7\\) \\(fndecl 'void depth_6\\(void\\*\\)', depth 6\\)" "2nd free message" { target c++ } .-4 } */
  18 }
  19
  20 static inline void
  21 depth_5 (void *p5)
  22 {
  23   depth_6 (p5); /* { dg-message "\\(6\\) inlined call to 'depth_6' from 'depth_5' \\(fndecl 'depth_5', depth 5\\)" "event 6" { target c } } */
  24   /* { dg-message "\\(6\\) inlined call to 'depth_6' from 'depth_5' \\(fndecl 'void depth_5\\(void\\*\\)', depth 5\\)" "event 6" { target c++ } .-1 } */
  25   /* { dg-message "\\(10\\) inlined call to 'depth_6' from 'depth_5' \\(fndecl 'depth_5', depth 5\\)" "event 10" { target c } .-2 } */
  26   /* { dg-message "\\(10\\) inlined call to 'depth_6' from 'depth_5' \\(fndecl 'void depth_5\\(void\\*\\)', depth 5\\)" "event 10" { target c++ } .-3 } */
  27 }
  28
  29 static inline void
  30 depth_4 (void *p4)
  31 {
  32   depth_5 (p4); /* { dg-message "\\(5\\) inlined call to 'depth_5' from 'depth_4' \\(fndecl 'depth_4', depth 4\\)" "event 5" { target c } } */
  33   /* { dg-message "\\(5\\) inlined call to 'depth_5' from 'depth_4' \\(fndecl 'void depth_4\\(void\\*\\)', depth 4\\)" "event 5" { target c++ } .-1 } */
  34   /* { dg-message "\\(9\\) inlined call to 'depth_5' from 'depth_4' \\(fndecl 'depth_4', depth 4\\)" "event 9" { target c } .-2 } */
  35   /* { dg-message "\\(9\\) inlined call to 'depth_5' from 'depth_4' \\(fndecl 'void depth_4\\(void\\*\\)', depth 4\\)" "event 9" { target c++ } .-3 } */
  36 }
  37
  38 static inline void
  39 depth_3 (void *p3)
  40 {
  41   depth_4 (p3); /* { dg-message "\\(4\\) inlined call to 'depth_4' from 'depth_3' \\(fndecl 'depth_3', depth 3\\)" "" { target c } } */
  42   /* { dg-message "\\(4\\) inlined call to 'depth_4' from 'depth_3' \\(fndecl 'void depth_3\\(void\\*\\)', depth 3\\)" "" { target c++ } .-1 } */
  43   depth_4 (p3); /* { dg-message "\\(8\\) inlined call to 'depth_4' from 'depth_3' \\(fndecl 'depth_3', depth 3\\)" "" { target c } } */
  44   /* { dg-message "\\(8\\) inlined call to 'depth_4' from 'depth_3' \\(fndecl 'void depth_3\\(void\\*\\)', depth 3\\)" "" { target c++ } .-1 } */
  45 }
  46
  47 static inline void
  48 depth_2 (void *p2)
  49 {
  50   depth_3 (p2); /* { dg-message "\\(3\\) inlined call to 'depth_3' from 'depth_2' \\(fndecl 'depth_2', depth 2\\)" "" { target c } } */
  51   /* { dg-message "\\(3\\) inlined call to 'depth_3' from 'depth_2' \\(fndecl 'void depth_2\\(void\\*\\)', depth 2\\)" "" { target c++ } .-1 } */
  52 }
  53
  54 void
  55 depth_1 (void *p1) /* { dg-message "\\(1\\) entry to 'depth_1' \\(fndecl 'depth_1', depth 1\\)" "" { target c } } */
  56 /* { dg-message "\\(1\\) entry to 'depth_1' \\(fndecl 'void depth_1\\(void\\*\\)', depth 1\\)" "" { target c++ } .-1 } */
  57 {
  58   depth_2 (p1); /* { dg-message "\\(2\\) inlined call to 'depth_2' from 'depth_1' \\(fndecl 'depth_1', depth 1\\)" "" { target c } } */
  59   /* { dg-message "\\(2\\) inlined call to 'depth_2' from 'depth_1' \\(fndecl 'void depth_1\\(void\\*\\)', depth 1\\)" "" { target c++ } .-1 } */
  60 }