gcc/testsuite/gcc.dg/strlenopt-14gf.c

   1 /* This test needs runtime that provides stpcpy, mempcpy and __*_chk
   2    functions.  */
   3 /* { dg-do run { target *-*-linux* *-*-gnu* } } */
   4 /* { dg-options "-O2 -fdump-tree-strlen" } */
   5
   6 #define FORTIFY_SOURCE 2
   7 #include "strlenopt-14g.c"
   8
   9 /* Compared to strlenopt-14gf.c, strcpy_chk with string literal as
  10    second argument isn't being optimized by builtins.c into
  11    memcpy.  */
  12 /* { dg-final { scan-tree-dump-times "strlen \\(" 4 "strlen" } } */
  13 /* { dg-final { scan-tree-dump-times "__memcpy_chk \\(" 0 "strlen" } } */
  14 /* { dg-final { scan-tree-dump-times "__mempcpy_chk \\(" 0 "strlen" } } */
  15 /* { dg-final { scan-tree-dump-times "__strcpy_chk \\(" 0 "strlen" } } */
  16 /* { dg-final { scan-tree-dump-times "__strcat_chk \\(" 0 "strlen" } } */
  17 /* { dg-final { scan-tree-dump-times "strchr \\(" 0 "strlen" } } */
  18 /* { dg-final { scan-tree-dump-times "__stpcpy_chk \\(" 0 "strlen" } } */
  19 /* { dg-final { scan-tree-dump-times "memcpy \\(" 1 "strlen" } } */
  20 /* { dg-final { scan-tree-dump-times "mempcpy \\(" 2 "strlen" } } */
  21 /* { dg-final { scan-tree-dump-times "strcpy \\(" 0 "strlen" } } */
  22 /* { dg-final { scan-tree-dump-times "strcat \\(" 0 "strlen" } } */
  23 /* { dg-final { scan-tree-dump-times "stpcpy \\(" 2 "strlen" } } */
  24 /* { dg-final { cleanup-tree-dump "strlen" } } */