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131
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1 /* PR tree-optimization/83444
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2 { dg-do compile { target i?86-*-* x86_64-*-* } }
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3 { dg-options "-O2 -fdump-tree-optimized" } */
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4
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5 #include "strlenopt.h"
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6
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7 #define STR "1234567"
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8
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9 const char str[] = STR;
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10
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11 char dst[10];
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12
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13 void copy_from_global_str (void)
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14 {
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15 strcpy (dst, str);
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16
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17 if (strlen (dst) != sizeof str - 1)
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18 abort ();
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19 }
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20
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21 void copy_from_local_str (void)
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22 {
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23 const char s[] = STR;
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24
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25 strcpy (dst, s);
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26
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27 if (strlen (dst) != sizeof s - 1)
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28 abort ();
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29 }
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30
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31 void copy_from_local_memstr (void)
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32 {
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33 struct {
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34 char s[sizeof STR];
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35 } x = { STR };
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36
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37 strcpy (dst, x.s);
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38
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39 if (strlen (dst) != sizeof x.s - 1)
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40 abort ();
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41 }
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42
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43 void copy_to_local_str (void)
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44 {
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45 char d[sizeof STR];
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46
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47 strcpy (d, str);
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48
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49 if (strlen (d) != sizeof str - 1)
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50 abort ();
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51 }
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52
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53 void copy_to_local_memstr (void)
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54 {
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55 struct {
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56 char d[sizeof STR];
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57 } x;
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58
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59 strcpy (x.d, str);
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60
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61 if (strlen (x.d) != sizeof str- 1)
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62 abort ();
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63 }
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64
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65 /* Verify that all calls to strlen have been eliminated.
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66 { dg-final { scan-tree-dump-not "(abort|strlen) \\(\\)" "optimized" } } */
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