gcc/testsuite/gcc.dg/tree-ssa/builtin-printf-1.c

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