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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-fab" } */
/* Check that we fold strlen of equally long strings, and that we do not
fail to terminate when there is a nontrivial cycle in the corresponding
ssa graph. */
extern __SIZE_TYPE__ strlen (const char *);
void foo(int i)
{
char *s = "abcde";
if (i)
{
s = "defgh";
goto middle;
}
start:
bla ();
middle:
if (bla ())
goto start;
bar (strlen (s));
}
/* There should be no calls to strlen. */
/* { dg-final { scan-tree-dump-times "strlen" 0 "fab"} } */
/* { dg-final { cleanup-tree-dump "fab" } } */
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