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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-fab" } */
   3
   4 #include <stdarg.h>
   5
   6 typedef struct { int i; } FILE;
   7 FILE *fp;
   8 extern int __vfprintf_chk (FILE *, int, const char *, va_list);
   9 volatile int vi0, vi1, vi2, vi3, vi4, vi5, vi6, vi7, vi8, vi9, via;
  10
  11 void
  12 test (va_list ap1, va_list ap2, va_list ap3, va_list ap4, va_list ap5,
  13       va_list ap6, va_list ap7)
  14 {
  15   vi0 = 0;
  16   __vfprintf_chk (fp, 1, "hello", ap1);
  17   vi1 = 0;
  18   __vfprintf_chk (fp, 1, "hello\n", ap2);
  19   vi2 = 0;
  20   __vfprintf_chk (fp, 1, "a", ap3);
  21   vi3 = 0;
  22   __vfprintf_chk (fp, 1, "", ap4);
  23   vi4 = 0;
  24   __vfprintf_chk (fp, 1, "%s", ap5);
  25   vi5 = 0;
  26   __vfprintf_chk (fp, 1, "%c", ap6);
  27   vi6 = 0;
  28   __vfprintf_chk (fp, 1, "%s\n", ap7);
  29   vi7 = 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump "vi0.*fwrite.*\"hello\".*1, 5, fp.*vi1" "fab"} } */
  33 /* { dg-final { scan-tree-dump "vi1.*fwrite.*\"hello\\\\n\".*1, 6, fp.*vi2" "fab"} } */
  34 /* { dg-final { scan-tree-dump "vi2.*fputc.*fp.*vi3" "fab"} } */
  35 /* { dg-final { scan-tree-dump "vi3 ={v} 0\[^\(\)\]*vi4 ={v} 0" "fab"} } */
  36 /* { dg-final { scan-tree-dump "vi4.*__vfprintf_chk.*fp.*1.*\"%s\".*vi5" "fab"} } */
  37 /* { dg-final { scan-tree-dump "vi5.*__vfprintf_chk.*fp.*1.*\"%c\".*vi6" "fab"} } */
  38 /* { dg-final { scan-tree-dump "vi6.*__vfprintf_chk.*fp.*1.*\"%s\\\\n\".*vi7" "fab"} } */
  39 /* { dg-final { cleanup-tree-dump "fab" } } */