gcc/testsuite/gcc.dg/tree-ssa/builtin-fprintf-chk-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fab1" } */
   3
   4 typedef struct { int i; } FILE;
   5 FILE *fp;
   6 extern int __fprintf_chk (FILE *, int, const char *, ...);
   7 volatile int vi0, vi1, vi2, vi3, vi4, vi5, vi6, vi7, vi8, vi9;
   8
   9 void test (void)
  10 {
  11   vi0 = 0;
  12   __fprintf_chk (fp, 1, "hello");
  13   vi1 = 0;
  14   __fprintf_chk (fp, 1, "hello\n");
  15   vi2 = 0;
  16   __fprintf_chk (fp, 1, "a");
  17   vi3 = 0;
  18   __fprintf_chk (fp, 1, "");
  19   vi4 = 0;
  20   __fprintf_chk (fp, 1, "%s", "hello");
  21   vi5 = 0;
  22   __fprintf_chk (fp, 1, "%s", "hello\n");
  23   vi6 = 0;
  24   __fprintf_chk (fp, 1, "%s", "a");
  25   vi7 = 0;
  26   __fprintf_chk (fp, 1, "%c", 'x');
  27   vi8 = 0;
  28   __fprintf_chk (fp, 1, "%d%d", vi0, vi1);
  29   vi9 = 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump "vi0.*fwrite.*\"hello\".*1, 5, fp.*vi1" "fab1"} } */
  33 /* { dg-final { scan-tree-dump "vi1.*fwrite.*\"hello\\\\n\".*1, 6, fp.*vi2" "fab1"} } */
  34 /* { dg-final { scan-tree-dump "vi2.*fputc.*fp.*vi3" "fab1"} } */
  35 /* { dg-final { scan-tree-dump "vi3 ={v} 0\[^\(\)\]*vi4 ={v} 0" "fab1"} } */
  36 /* { dg-final { scan-tree-dump "vi4.*fwrite.*\"hello\".*1, 5, fp.*vi5" "fab1"} } */
  37 /* { dg-final { scan-tree-dump "vi5.*fwrite.*\"hello\\\\n\".*1, 6, fp.*vi6" "fab1"} } */
  38 /* { dg-final { scan-tree-dump "vi6.*fputc.*fp.*vi7" "fab1"} } */
  39 /* { dg-final { scan-tree-dump "vi7.*fputc.*fp.*vi8" "fab1"} } */
  40 /* { dg-final { scan-tree-dump "vi8.*__fprintf_chk.*fp.*1.*\"%d%d\".*vi9" "fab1"} } */
  41 /* { dg-final { cleanup-tree-dump "fab1" } } */