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1 // RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wbad-function-cast -ffixed-point -triple x86_64-unknown-unknown -verify
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150
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2 // rdar://9103192
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3
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4 void vf(void);
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5 int if1(void);
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6 char if2(void);
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7 long if3(void);
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8 float rf1(void);
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9 double rf2(void);
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10 _Complex double cf(void);
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11 enum e { E1 } ef(void);
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12 _Bool bf(void);
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13 char *pf1(void);
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14 int *pf2(void);
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207
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15 _Fract ff1(void);
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150
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16
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17 void
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18 foo(void)
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19 {
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207
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20
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21 /* default, no cast, should always be ok */
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22 ff1();
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150
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23 /* Casts to void types are always OK. */
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24 (void)vf();
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25 (void)if1();
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26 (void)cf();
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27 (const void)bf();
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28 (void)ff1();
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29 /* Casts to the same type or similar types are OK. */
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30 (int)if1();
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31 (long)if2();
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32 (char)if3();
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33 (float)rf1();
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34 (long double)rf2();
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35 (_Complex float)cf();
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36 (enum f { F1 })ef();
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37 (_Bool)bf();
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38 (void *)pf1();
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39 (char *)pf2();
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207
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40 (_Fract) ff1();
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41 /* All following casts issue warning */
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42 (float)if1(); /* expected-warning {{cast from function call of type 'int' to non-matching type 'float'}} */
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43 (double)if2(); /* expected-warning {{cast from function call of type 'char' to non-matching type 'double'}} */
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44 (_Bool)if3(); /* expected-warning {{cast from function call of type 'long' to non-matching type '_Bool'}} */
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45 (int)rf1(); /* expected-warning {{cast from function call of type 'float' to non-matching type 'int'}} */
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46 (long)rf2(); /* expected-warning {{cast from function call of type 'double' to non-matching type 'long'}} */
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47 (double)cf(); /* expected-warning {{cast from function call of type '_Complex double' to non-matching type 'double'}} */
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48 (int)ef(); /* expected-warning {{cast from function call of type 'enum e' to non-matching type 'int'}} */
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49 (int)bf(); /* expected-warning {{cast from function call of type '_Bool' to non-matching type 'int'}} */
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50 (__SIZE_TYPE__)pf1(); /* expected-warning {{cast from function call of type 'char *' to non-matching type 'unsigned long'}} */
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51 (__PTRDIFF_TYPE__)pf2(); /* expected-warning {{cast from function call of type 'int *' to non-matching type 'long'}} */
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52 (_Fract) if1(); /* expected-warning{{cast from function call of type 'int' to non-matching type '_Fract'}} */
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53 (int)ff1(); /* expected-warning{{cast from function call of type '_Fract' to non-matching type 'int'}} */
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150
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54 }
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55
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