| /* { 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" } } */ |
| |
