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111
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1 /* PR debug/67192 */
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2 /* { dg-do run } */
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3 /* { dg-options "-g -Wmisleading-indentation" } */
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4
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5 volatile int cnt = 0;
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6
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7 __attribute__((noinline, noclone)) static int
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8 last (void)
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9 {
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10 return ++cnt % 5 == 0;
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11 }
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12
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13 __attribute__((noinline, noclone)) static void
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14 do_it (void)
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15 {
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16 asm volatile ("" : : "r" (&cnt) : "memory");
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17 }
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18
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19 __attribute__((noinline, noclone)) static void
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20 f1 (void)
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21 {
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22 for (;; do_it())
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23 {
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24 if (last ())
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25 break;
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26 }
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131
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27 do_it (); /* { dg-final { gdb-test . "cnt" "5" } } */
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111
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28 }
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29
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30 __attribute__((noinline, noclone)) static void
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31 f2 (void)
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32 {
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33 while (1)
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34 {
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35 if (last ())
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36 break;
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37 do_it ();
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38 }
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131
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39 do_it (); /* { dg-final { gdb-test . "cnt" "10" } } */
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111
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40 }
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41
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42 __attribute__((noinline, noclone)) static void
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43 f3 (void)
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44 {
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45 for (;; do_it())
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46 if (last ())
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47 break;
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131
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48 do_it (); /* { dg-final { gdb-test . "cnt" "15" } } */
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111
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49 }
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50
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51 __attribute__((noinline, noclone)) static void
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52 f4 (void)
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53 {
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131
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54 while (1) /* { dg-final { gdb-test . "cnt" "15" } } */
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111
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55 if (last ())
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56 break;
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57 else
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58 do_it ();
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131
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59 do_it (); /* { dg-final { gdb-test . "cnt" "20" } } */
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111
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60 }
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61
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62 void (*volatile fnp1) (void) = f1;
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63 void (*volatile fnp2) (void) = f2;
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64 void (*volatile fnp3) (void) = f3;
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65 void (*volatile fnp4) (void) = f4;
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66
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67 int
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68 main ()
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69 {
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70 asm volatile ("" : : "r" (&fnp1) : "memory");
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71 asm volatile ("" : : "r" (&fnp2) : "memory");
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72 asm volatile ("" : : "r" (&fnp3) : "memory");
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73 asm volatile ("" : : "r" (&fnp4) : "memory");
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74 fnp1 ();
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75 fnp2 ();
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76 fnp3 ();
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77 fnp4 ();
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78 return 0;
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79 }
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