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/* PR tree-optimization/84436 */
/* { dg-options "-O2 -fdump-tree-switchconv -fdump-tree-optimized" } */
/* { dg-do run } */
int
__attribute__ ((noipa))
foo (int how)
{
switch (how) {
case 2: how = 205; break; /* how = 100 * index + 5 */
case 3: how = 305; break;
case 4: how = 405; break;
case 5: how = 505; break;
case 6: how = 605; break;
}
return how;
}
int main()
{
if (foo (2) != 205)
__builtin_abort ();
if (foo (6) != 605)
__builtin_abort ();
if (foo (123) != 123)
__builtin_abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "100 \\*" 1 "switchconv" } } */
/* { dg-final { scan-tree-dump-times ".* \\+ 5" 1 "switchconv" } } */
/* { dg-final { scan-tree-dump-not "switch" "optimized" } } */
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