OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

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

Go to most recent revision | Details | Compare with Previous | View Log

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" } } */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.