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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-25.c] - Blame information for rev 298

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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-profile" } */
 
int foo(void);
void bla(void);
void bar(void);
 
void test1 (void)
{
  unsigned i;
 
  /* Only one loop should be found here.  */
  i = 0;
  while (1)
    {
      i++;
      if (i == 100)
        break;
 
      if (foo ())
        bla ();
      else
        bar ();
    }
}
 
void test2 (void)
{
  unsigned i, j;
 
  /* Two loops should be found, in this case.  */
  i = j = 0;
  while (1)
    {
      j++;
      foo ();
      if (j < 100)
        continue;
 
      i++;
      j = 0;
      if (i == 100)
        break;
    }
}
 
void test3 (void)
{
  unsigned i, j, k;
 
  /* Three loops.  */
  i = j = k = 0;
  while (1)
    {
      j++;
      foo ();
      if (j < 100)
        continue;
 
      j = 0;
      k++;
      if (k < 100)
        continue;
 
      k = 0;
      i++;
      if (i == 100)
        break;
    }
}
 
void test4 (void)
{
  unsigned i, j, k;
 
  /* Two loops with a nested subloop.  */
  i = j = 0;
  while (1)
    {
      j++;
      foo ();
      for (k = 0; k < 100; k++)
        foo ();
 
      if (j < 100)
        continue;
 
      i++;
      j = 0;
      if (i == 100)
        break;
    }
}
 
 
void test5 (void)
{
  unsigned i, j;
 
  /* Both subloop and non-subloop back edges.  */
  i = j = 0;
  while (1)
    {
      j++;
      foo ();
      if (j < 100)
        continue;
      j = 0;
 
      i++;
      if (i == 100)
        break;
 
      if (foo ())
        bla ();
      else
        bar ();
    }
}
 
/* { dg-final { scan-tree-dump-times "Disambiguating loop" 5 "profile" } } */
/* For the following xfail marks, see PR35629.  */
/* { dg-final { scan-tree-dump-times "Found latch edge" 5 "profile" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "Merged latch edges" 2 "profile" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "4 loops found" 2 "profile" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "3 loops found" 2 "profile" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-times "2 loops found" 1 "profile" { xfail *-*-* } } } */
 
/* { dg-final { cleanup-tree-dump "profile" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O1 -fdump-tree-profile" } */`
3
4			`int foo(void);`
5			`void bla(void);`
6			`void bar(void);`
7
8			`void test1 (void)`
9			`{`
10			`unsigned i;`
11
12			`/* Only one loop should be found here. */`
13			`i = 0;`
14			`while (1)`
15			`{`
16			`i++;`
17			`if (i == 100)`
18			`break;`
19
20			`if (foo ())`
21			`bla ();`
22			`else`
23			`bar ();`
24			`}`
25			`}`
26
27			`void test2 (void)`
28			`{`
29			`unsigned i, j;`
30
31			`/* Two loops should be found, in this case. */`
32			`i = j = 0;`
33			`while (1)`
34			`{`
35			`j++;`
36			`foo ();`
37			`if (j < 100)`
38			`continue;`
39
40			`i++;`
41			`j = 0;`
42			`if (i == 100)`
43			`break;`
44			`}`
45			`}`
46
47			`void test3 (void)`
48			`{`
49			`unsigned i, j, k;`
50
51			`/* Three loops. */`
52			`i = j = k = 0;`
53			`while (1)`
54			`{`
55			`j++;`
56			`foo ();`
57			`if (j < 100)`
58			`continue;`
59
60			`j = 0;`
61			`k++;`
62			`if (k < 100)`
63			`continue;`
64
65			`k = 0;`
66			`i++;`
67			`if (i == 100)`
68			`break;`
69			`}`
70			`}`
71
72			`void test4 (void)`
73			`{`
74			`unsigned i, j, k;`
75
76			`/* Two loops with a nested subloop. */`
77			`i = j = 0;`
78			`while (1)`
79			`{`
80			`j++;`
81			`foo ();`
82			`for (k = 0; k < 100; k++)`
83			`foo ();`
84
85			`if (j < 100)`
86			`continue;`
87
88			`i++;`
89			`j = 0;`
90			`if (i == 100)`
91			`break;`
92			`}`
93			`}`
94
95
96			`void test5 (void)`
97			`{`
98			`unsigned i, j;`
99
100			`/* Both subloop and non-subloop back edges. */`
101			`i = j = 0;`
102			`while (1)`
103			`{`
104			`j++;`
105			`foo ();`
106			`if (j < 100)`
107			`continue;`
108			`j = 0;`
109
110			`i++;`
111			`if (i == 100)`
112			`break;`
113
114			`if (foo ())`
115			`bla ();`
116			`else`
117			`bar ();`
118			`}`
119			`}`
120
121			`/* { dg-final { scan-tree-dump-times "Disambiguating loop" 5 "profile" } } */`
122			`/* For the following xfail marks, see PR35629. */`
123			`/* { dg-final { scan-tree-dump-times "Found latch edge" 5 "profile" { xfail --* } } } */`
124			`/* { dg-final { scan-tree-dump-times "Merged latch edges" 2 "profile" { xfail --* } } } */`
125			`/* { dg-final { scan-tree-dump-times "4 loops found" 2 "profile" { xfail --* } } } */`
126			`/* { dg-final { scan-tree-dump-times "3 loops found" 2 "profile" { xfail --* } } } */`
127			`/* { dg-final { scan-tree-dump-times "2 loops found" 1 "profile" { xfail --* } } } */`
128
129			`/* { dg-final { cleanup-tree-dump "profile" } } */`

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loop-25.c] - Blame information for rev 298