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/* PR tree-optimization/19828 */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-lim-details" } */
int cst_fun1 (int) __attribute__((__const__));
int cst_fun2 (int) __attribute__((__const__));
int pure_fun1 (int) __attribute__((__pure__));
int pure_fun2 (int) __attribute__((__pure__));
int foo (void);
int xxx (void)
{
int i, k = foo (), x = 0;
for (i = 0; i < 100; i++)
{
x += cst_fun1 (k);
x += pure_fun1 (k);
if (k)
{
x += cst_fun2 (k);
x += pure_fun2 (k);
}
}
return x;
}
/* Calls to cst_fun1 and pure_fun1 may be moved out of the loop.
Calls to cst_fun2 and pure_fun2 should not be, since calling
with k = 0 may be invalid. */
/* { dg-final { scan-tree-dump-times "Moving statement" 2 "lim1" } } */
/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */
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