1  /* { dg-do compile { target { { x86_64-*-* aarch64-*-* ia64-*-* powerpc64-*-* } && lp64 } } } */
       2  /* { dg-options "-O2 -fdump-tree-switchlower1 --param case-values-threshold=4" } */
       3  
       4  int global;
       5  
       6  int foo (int x)
       7  {
       8    switch (x) {
       9      case 0:
      10      case 10:
      11      case 1000:
      12      case 1010:
      13      case 1025 ... 1030:
      14        return 1;
      15      default:
      16        return 0;
      17    }
      18  }
      19  
      20  /* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: 0 10 BT:1000-1030" "switchlower1" } } */
      21  
      22  int foo2 (int x)
      23  {
      24    switch (x) {
      25      case -100:
      26      case 100:
      27      case 1000:
      28      case 10000:
      29      case 100000:
      30        return 1;
      31      default:
      32        return 0;
      33    }
      34  }
      35  
      36  /* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: -100 100 1000 10000 100000" "switchlower1" } } */
      37  
      38  int foo3 (int x)
      39  {
      40    switch (x) {
      41      case 0:
      42      case 10:
      43      case 20:
      44        global += 1;
      45        return 3;
      46      case 30:
      47      case 33 ... 55:
      48      case 57:
      49        return 4;
      50      case 60 ... 62:
      51        return 1;
      52      default:
      53        return 0;
      54    }
      55  }
      56  
      57  /* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: BT:0-62" "switchlower1" } } */
      58  
      59  int foo4 (int x)
      60  {
      61    switch (x) {
      62      case -100:
      63      case 10:
      64      case 20:
      65        global += 1;
      66        return 3;
      67      case 30:
      68      case 33 ... 55:
      69      case 57:
      70        return 4;
      71      case 60 ... 62:
      72        return 1;
      73      case 600 ... 700:
      74        return 12;
      75      default:
      76        return 0;
      77    }
      78  }
      79  
      80  /* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: -100 BT:10-62 600-700" "switchlower1" } } */
      81  
      82  int foo5 (int x)
      83  {
      84    switch (x) {
      85      case 10:
      86      case 20:
      87        global += 1;
      88        return 3;
      89      case 30:
      90      case 33 ... 55:
      91      case 57:
      92        return 4;
      93      case 60 ... 62:
      94        return 1;
      95      case 600 ... 700:
      96        return 12;
      97      case 1000 ... 1010:
      98      case 1012:
      99        return 333;
     100      case 1019:
     101      case 1021:
     102        return 9;
     103      case 111111:
     104        return 3;
     105      default:
     106        return 0;
     107    }
     108  }
     109  
     110  /* { dg-final { scan-tree-dump ";; GIMPLE switch case clusters: BT:10-62 600-700 JT:1000-1021 111111" "switchlower1" } } */