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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-iftoswitch-optimized --param case-values-threshold=5" } */
int global;
int foo ();
int main(int argc, char **argv)
{
if (argc != 1)
{
if (argc != 2)
{
if (argc == 3)
{
foo ();
foo ();
}
else if (argc == 4)
{
foo ();
}
else if (argc == 5)
{
global = 2;
}
else
global -= 123;
}
else
{
global += 1;
}
}
else
foo ();
global -= 12;
return 0;
}
/* { dg-final { scan-tree-dump "Canonical GIMPLE case clusters: 1 2 3 4 5" "iftoswitch" } } */
/* { dg-final { scan-tree-dump "Condition chain with \[^\n\r]\* BBs transformed into a switch statement." "iftoswitch" } } */
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