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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [pr25501.c] - Blame information for rev 300

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/* PR tree-optimization/25501
   The PHI merge pass used to try to merge PHI nodes that cannot
   actually merged, causing a segfault later.  Make sure that does not
   happen any more.  */
 
/* { dg-options "-O1 -fdump-tree-mergephi" } */
 
int
foo (int a)
{
  int b;
  int c;
  int d;
 
  if (a == 2)
    b = 3;
  else
    b = 5;
 
  c = 7;
 
  d = 11;
 
  for (;;)
    {
      if (d == 5)
        break;
 
      d = b;
    }
 
  return 13;
}
 
/* { dg-final { scan-tree-dump-times "Removing basic block" 0 "mergephi1"} } */
/* { dg-final { cleanup-tree-dump "mergephi\[1-2\]" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* PR tree-optimization/25501`
2			`The PHI merge pass used to try to merge PHI nodes that cannot`
3			`actually merged, causing a segfault later. Make sure that does not`
4			`happen any more. */`
5
6			`/* { dg-options "-O1 -fdump-tree-mergephi" } */`
7
8			`int`
9			`foo (int a)`
10			`{`
11			`int b;`
12			`int c;`
13			`int d;`
14
15			`if (a == 2)`
16			`b = 3;`
17			`else`
18			`b = 5;`
19
20			`c = 7;`
21
22			`d = 11;`
23
24			`for (;;)`
25			`{`
26			`if (d == 5)`
27			`break;`
28
29			`d = b;`
30			`}`
31
32			`return 13;`
33			`}`
34
35			`/* { dg-final { scan-tree-dump-times "Removing basic block" 0 "mergephi1"} } */`
36			`/* { dg-final { cleanup-tree-dump "mergephi\[1-2\]" } } */`

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [pr25501.c] - Blame information for rev 300