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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [c-c++-common/] [Wunused-var-1.c] - Blame information for rev 686

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/* { dg-do compile } */
/* { dg-options "-Wunused" } */
 
void
f1 (void)
{
  int a;        /* { dg-warning "set but not used" } */
  int b;
  int c;
  c = 1;
  a = b = c;
}
 
void
f2 (int x)
{
  int a;        /* { dg-warning "set but not used" } */
  int b;
  int c;        /* { dg-warning "set but not used" } */
  c = (a = x, b = x);
}
 
int
f3 (int x)
{
  int a;
  return a = x;
}
 
int
f4 (int x)
{
  int a;
  a = x;
  return a;
}
 
void
f5 (int x)
{
  int a[2];     /* { dg-warning "set but not used" } */
  int b;
  int *c, d[2];
  c = d;
  b = x;
  a[b] = 1;
  c[b] = 1;
}
 
int
f6 (int x)
{
  int a[2];
  int b;
  b = x;
  a[b] = 1;
  return a[b];
}
 
void
f7 (int x, int *p)
{
  int *a[2];
  a[x] = p;
  a[x][x] = x;
}
 
struct S { int i; };
 
void
f8 (void)
{
  struct S s;   /* { dg-warning "set but not used" } */
  s.i = 6;
}
 
int
f9 (void)
{
  struct S s;
  s.i = 6;
  return s.i;
}
 
struct S
f10 (void)
{
  struct S s;
  s.i = 6;
  return s;
}
 
extern int foo11 (int *);
 
void
f11 (void)
{
  int a[2];
  foo11 (a);
}
 
void
f12 (void)
{
  int a;
  a = 1;
  a;    /* { dg-warning "no effect" } */
}
 
void
f13 (void (*x) (void))
{
  void (*a) (void);
  a = x;
  a ();
}
 
void
f14 (void (*x) (void))
{
  void (*a) (void);     /* { dg-warning "set but not used" } */
  a = x;
}
 
extern void foo15 (int *);
 
void
f15 (void)
{
  int a[10];
  int *b = a + 2;
  foo15 (b);
}
 
extern void foo16 (int **);
 
void
f16 (void)
{
  int a[10];
  int *b[] = { a, a + 2 };
  foo16 (b);
}
 
void
f17 (int x)
{
  long a;       /* { dg-warning "set but not used" } */
  int b;
  a = b = x;
}
 
void
f18 (int x)
{
  int a;        /* { dg-warning "set but not used" } */
  int b;
  a = (char) (b = x);
}
 
int
f19 (int x, int y, int z)
{
  int a;
  int b;
  a = x;
  b = y;
  return z ? a : b;
}
 
int *
f20 (int x)
{
  static int a[] = { 3, 4, 5, 6 };
  static int b[] = { 4, 5, 6, 7 };
  static int c[] = { 5, 6, 7, 8 };      /* { dg-warning "set but not used" } */
  c[1] = 1;
  return x ? a : b;
}

Line No.	Rev	Author	Line
1	686	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-Wunused" } */`
3
4			`void`
5			`f1 (void)`
6			`{`
7			`int a; /* { dg-warning "set but not used" } */`
8			`int b;`
9			`int c;`
10			`c = 1;`
11			`a = b = c;`
12			`}`
13
14			`void`
15			`f2 (int x)`
16			`{`
17			`int a; /* { dg-warning "set but not used" } */`
18			`int b;`
19			`int c; /* { dg-warning "set but not used" } */`
20			`c = (a = x, b = x);`
21			`}`
22
23			`int`
24			`f3 (int x)`
25			`{`
26			`int a;`
27			`return a = x;`
28			`}`
29
30			`int`
31			`f4 (int x)`
32			`{`
33			`int a;`
34			`a = x;`
35			`return a;`
36			`}`
37
38			`void`
39			`f5 (int x)`
40			`{`
41			`int a[2]; /* { dg-warning "set but not used" } */`
42			`int b;`
43			`int *c, d[2];`
44			`c = d;`
45			`b = x;`
46			`a[b] = 1;`
47			`c[b] = 1;`
48			`}`
49
50			`int`
51			`f6 (int x)`
52			`{`
53			`int a[2];`
54			`int b;`
55			`b = x;`
56			`a[b] = 1;`
57			`return a[b];`
58			`}`
59
60			`void`
61			`f7 (int x, int *p)`
62			`{`
63			`int *a[2];`
64			`a[x] = p;`
65			`a[x][x] = x;`
66			`}`
67
68			`struct S { int i; };`
69
70			`void`
71			`f8 (void)`
72			`{`
73			`struct S s; /* { dg-warning "set but not used" } */`
74			`s.i = 6;`
75			`}`
76
77			`int`
78			`f9 (void)`
79			`{`
80			`struct S s;`
81			`s.i = 6;`
82			`return s.i;`
83			`}`
84
85			`struct S`
86			`f10 (void)`
87			`{`
88			`struct S s;`
89			`s.i = 6;`
90			`return s;`
91			`}`
92
93			`extern int foo11 (int *);`
94
95			`void`
96			`f11 (void)`
97			`{`
98			`int a[2];`
99			`foo11 (a);`
100			`}`
101
102			`void`
103			`f12 (void)`
104			`{`
105			`int a;`
106			`a = 1;`
107			`a; /* { dg-warning "no effect" } */`
108			`}`
109
110			`void`
111			`f13 (void (*x) (void))`
112			`{`
113			`void (*a) (void);`
114			`a = x;`
115			`a ();`
116			`}`
117
118			`void`
119			`f14 (void (*x) (void))`
120			`{`
121			`void (a) (void); / { dg-warning "set but not used" } */`
122			`a = x;`
123			`}`
124
125			`extern void foo15 (int *);`
126
127			`void`
128			`f15 (void)`
129			`{`
130			`int a[10];`
131			`int *b = a + 2;`
132			`foo15 (b);`
133			`}`
134
135			`extern void foo16 (int **);`
136
137			`void`
138			`f16 (void)`
139			`{`
140			`int a[10];`
141			`int *b[] = { a, a + 2 };`
142			`foo16 (b);`
143			`}`
144
145			`void`
146			`f17 (int x)`
147			`{`
148			`long a; /* { dg-warning "set but not used" } */`
149			`int b;`
150			`a = b = x;`
151			`}`
152
153			`void`
154			`f18 (int x)`
155			`{`
156			`int a; /* { dg-warning "set but not used" } */`
157			`int b;`
158			`a = (char) (b = x);`
159			`}`
160
161			`int`
162			`f19 (int x, int y, int z)`
163			`{`
164			`int a;`
165			`int b;`
166			`a = x;`
167			`b = y;`
168			`return z ? a : b;`
169			`}`
170
171			`int *`
172			`f20 (int x)`
173			`{`
174			`static int a[] = { 3, 4, 5, 6 };`
175			`static int b[] = { 4, 5, 6, 7 };`
176			`static int c[] = { 5, 6, 7, 8 }; /* { dg-warning "set but not used" } */`
177			`c[1] = 1;`
178			`return x ? a : b;`
179			`}`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [c-c++-common/] [Wunused-var-1.c] - Blame information for rev 686