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comparison clang/test/Sema/warn-bad-function-cast.c @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children
comparison
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173:0572611fdcc8 207:2e18cbf3894f
1 // RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wbad-function-cast -triple x86_64-unknown-unknown -verify 1 // RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wbad-function-cast -ffixed-point -triple x86_64-unknown-unknown -verify
2 // rdar://9103192 2 // rdar://9103192
3 3
4 void vf(void); 4 void vf(void);
5 int if1(void); 5 int if1(void);
6 char if2(void); 6 char if2(void);
10 _Complex double cf(void); 10 _Complex double cf(void);
11 enum e { E1 } ef(void); 11 enum e { E1 } ef(void);
12 _Bool bf(void); 12 _Bool bf(void);
13 char *pf1(void); 13 char *pf1(void);
14 int *pf2(void); 14 int *pf2(void);
15 _Fract ff1(void);
15 16
16 void 17 void
17 foo(void) 18 foo(void)
18 { 19 {
20
21 /* default, no cast, should always be ok */
22 ff1();
19 /* Casts to void types are always OK. */ 23 /* Casts to void types are always OK. */
20 (void)vf(); 24 (void)vf();
21 (void)if1(); 25 (void)if1();
22 (void)cf(); 26 (void)cf();
23 (const void)bf(); 27 (const void)bf();
28 (void)ff1();
24 /* Casts to the same type or similar types are OK. */ 29 /* Casts to the same type or similar types are OK. */
25 (int)if1(); 30 (int)if1();
26 (long)if2(); 31 (long)if2();
27 (char)if3(); 32 (char)if3();
28 (float)rf1(); 33 (float)rf1();
30 (_Complex float)cf(); 35 (_Complex float)cf();
31 (enum f { F1 })ef(); 36 (enum f { F1 })ef();
32 (_Bool)bf(); 37 (_Bool)bf();
33 (void *)pf1(); 38 (void *)pf1();
34 (char *)pf2(); 39 (char *)pf2();
40 (_Fract) ff1();
35 /* All following casts issue warning */ 41 /* All following casts issue warning */
36 (float)if1(); /* expected-warning {{cast from function call of type 'int' to non-matching type 'float'}} */ 42 (float)if1(); /* expected-warning {{cast from function call of type 'int' to non-matching type 'float'}} */
37 (double)if2(); /* expected-warning {{cast from function call of type 'char' to non-matching type 'double'}} */ 43 (double)if2(); /* expected-warning {{cast from function call of type 'char' to non-matching type 'double'}} */
38 (_Bool)if3(); /* expected-warning {{cast from function call of type 'long' to non-matching type '_Bool'}} */ 44 (_Bool)if3(); /* expected-warning {{cast from function call of type 'long' to non-matching type '_Bool'}} */
39 (int)rf1(); /* expected-warning {{cast from function call of type 'float' to non-matching type 'int'}} */ 45 (int)rf1(); /* expected-warning {{cast from function call of type 'float' to non-matching type 'int'}} */
41 (double)cf(); /* expected-warning {{cast from function call of type '_Complex double' to non-matching type 'double'}} */ 47 (double)cf(); /* expected-warning {{cast from function call of type '_Complex double' to non-matching type 'double'}} */
42 (int)ef(); /* expected-warning {{cast from function call of type 'enum e' to non-matching type 'int'}} */ 48 (int)ef(); /* expected-warning {{cast from function call of type 'enum e' to non-matching type 'int'}} */
43 (int)bf(); /* expected-warning {{cast from function call of type '_Bool' to non-matching type 'int'}} */ 49 (int)bf(); /* expected-warning {{cast from function call of type '_Bool' to non-matching type 'int'}} */
44 (__SIZE_TYPE__)pf1(); /* expected-warning {{cast from function call of type 'char *' to non-matching type 'unsigned long'}} */ 50 (__SIZE_TYPE__)pf1(); /* expected-warning {{cast from function call of type 'char *' to non-matching type 'unsigned long'}} */
45 (__PTRDIFF_TYPE__)pf2(); /* expected-warning {{cast from function call of type 'int *' to non-matching type 'long'}} */ 51 (__PTRDIFF_TYPE__)pf2(); /* expected-warning {{cast from function call of type 'int *' to non-matching type 'long'}} */
52 (_Fract) if1(); /* expected-warning{{cast from function call of type 'int' to non-matching type '_Fract'}} */
53 (int)ff1(); /* expected-warning{{cast from function call of type '_Fract' to non-matching type 'int'}} */
46 } 54 }
47 55