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/* A test for induction variable merging. */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
void foo(long);
void xxx(void)
{
long iter, jter;
for (iter = 0, jter = 2; iter < 100; iter++, jter++)
{
foo (iter);
foo (jter);
}
}
/* Only iter variable should remain. */
/* { dg-final { scan-tree-dump-times "int iter" 1 "optimized" } } */
/* And jter shouldn't be an induction variable anymore (no PHI node). */
/* { dg-final { scan-tree-dump-times "jter_\[0-9\]* = PHI" 0 "optimized" } } */
/* And the use of jter should be replaced by iter + 2 */
/* { dg-final { scan-tree-dump-times " \\+ 2" 1 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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