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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-fab" } */

extern int printf (const char *, ...);

volatile int vi0, vi1, vi2, vi3, vi4, vi5, vi6, vi7, vi8, vi9, via;

void test (void)

{

  vi0 = 0;

  printf ("hello");

  vi1 = 0;

  printf ("hello\n");

  vi2 = 0;

  printf ("a");

  vi3 = 0;

  printf ("");

  vi4 = 0;

  printf ("%s", "hello");

  vi5 = 0;

  printf ("%s", "hello\n");

  vi6 = 0;

  printf ("%s", "a");

  vi7 = 0;

  printf ("%s", "");

  vi8 = 0;

  printf ("%c", 'x');

  vi9 = 0;

  printf ("%s\n", "hello\n");

  via = 0;

}

/* { dg-final { scan-tree-dump "vi0.*printf.*\"hello\".*vi1" "fab"} } */

/* { dg-final { scan-tree-dump "vi1.*puts.*\"hello\".*vi2" "fab"} } */

/* { dg-final { scan-tree-dump "vi2.*putchar.*vi3" "fab"} } */

/* { dg-final { scan-tree-dump "vi3 ={v} 0\[^\(\)\]*vi4 ={v} 0" "fab"} } */

/* { dg-final { scan-tree-dump "vi4.*printf.*\"hello\".*vi5" "fab"} } */

/* { dg-final { scan-tree-dump "vi5.*puts.*\"hello\".*vi6" "fab"} } */

/* { dg-final { scan-tree-dump "vi6.*putchar.*vi7" "fab"} } */

/* { dg-final { scan-tree-dump "vi7 ={v} 0\[^\(\)\]*vi8 ={v} 0" "fab"} } */

/* { dg-final { scan-tree-dump "vi8.*putchar.*vi9" "fab"} } */

/* { dg-final { scan-tree-dump "vi9.*puts.*\"hello\\\\n\".*via" "fab"} } */

/* { dg-final { cleanup-tree-dump "fab" } } */