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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-ifcombine-6.c] - Blame information for rev 298

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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-ifcombine" } */
 
void bar (void);
 
void
foo1 (unsigned int a)
{
  if (a & 1)
    goto heaven;
  if (a & 4)
    goto heaven;
  return;
 
 heaven:
  bar ();
}
 
void
foo2 (unsigned int a)
{
  if (a & 1)
    if (a & 4)
      goto heaven;
  return;
 
 heaven:
  bar ();
}
 
 
/* The special treatment of a & 1 != 0 in fold caused the pattern not
   to be recognized due to extra conversions inserted.  */
 
/* { dg-final { scan-tree-dump "optimizing bits or bits test" "ifcombine" } } */
/* { dg-final { scan-tree-dump "optimizing double bit test" "ifcombine" } } */
/* { dg-final { cleanup-tree-dump "ifcombine" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O -fdump-tree-ifcombine" } */`
3
4			`void bar (void);`
5
6			`void`
7			`foo1 (unsigned int a)`
8			`{`
9			`if (a & 1)`
10			`goto heaven;`
11			`if (a & 4)`
12			`goto heaven;`
13			`return;`
14
15			`heaven:`
16			`bar ();`
17			`}`
18
19			`void`
20			`foo2 (unsigned int a)`
21			`{`
22			`if (a & 1)`
23			`if (a & 4)`
24			`goto heaven;`
25			`return;`
26
27			`heaven:`
28			`bar ();`
29			`}`
30
31
32			`/* The special treatment of a & 1 != 0 in fold caused the pattern not`
33			`to be recognized due to extra conversions inserted. */`
34
35			`/* { dg-final { scan-tree-dump "optimizing bits or bits test" "ifcombine" } } */`
36			`/* { dg-final { scan-tree-dump "optimizing double bit test" "ifcombine" } } */`
37			`/* { dg-final { cleanup-tree-dump "ifcombine" } } */`

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [ssa-ifcombine-6.c] - Blame information for rev 298