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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [alias-2.c] - Blame information for rev 399

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/* { dg-do compile { target { nonpic } } } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
static int a;
int f;
void bar (void)  __attribute__((noinline));
void bar (void)
{
  f = 9;
}
 
void link_error ();
 
int foo()
{
  int b, c;
  a = 5;
  b = a;
  bar ();
  b = b + a;
  if (b != 10)
    link_error ();
  return b;
}
 
/* We should have removed the link_error on the tree level as GCC can tell that
   a is not touched by the calling bar at all. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do compile { target { nonpic } } } */`
2			`/* { dg-options "-O2 -fdump-tree-optimized" } */`
3			`static int a;`
4			`int f;`
5			`void bar (void) __attribute__((noinline));`
6			`void bar (void)`
7			`{`
8			`f = 9;`
9			`}`
10
11			`void link_error ();`
12
13			`int foo()`
14			`{`
15			`int b, c;`
16			`a = 5;`
17			`b = a;`
18			`bar ();`
19			`b = b + a;`
20			`if (b != 10)`
21			`link_error ();`
22			`return b;`
23			`}`
24
25			`/* We should have removed the link_error on the tree level as GCC can tell that`
26			`a is not touched by the calling bar at all. */`
27			`/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */`
28			`/* { dg-final { cleanup-tree-dump "optimized" } } */`

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [alias-2.c] - Blame information for rev 399