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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20040517-1.c] - Blame information for rev 867

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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-alias1-vops" } */
extern void abort (void);
int a;
 
extern void __attribute__ ((malloc)) *foo ();
 
void bar (void)
{
  a = 1;
  foo ();
  if (a)
    abort ();
}
 
/* We used to treat malloc functions like pure and const functions, but
   malloc functions may clobber global memory.  Only the function result
   does not alias any other pointer.
   Hence, we must have a VDEF for a before and after the call to foo().  */
/* { dg-final { scan-tree-dump-times "V_MAY_DEF" 2 "alias1"} } */
/* { dg-final { cleanup-tree-dump "alias1" } } */

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O1 -fdump-tree-alias1-vops" } */`
3			`extern void abort (void);`
4			`int a;`
5
6			`extern void __attribute__ ((malloc)) *foo ();`
7
8			`void bar (void)`
9			`{`
10			`a = 1;`
11			`foo ();`
12			`if (a)`
13			`abort ();`
14			`}`
15
16			`/* We used to treat malloc functions like pure and const functions, but`
17			`malloc functions may clobber global memory. Only the function result`
18			`does not alias any other pointer.`
19			`Hence, we must have a VDEF for a before and after the call to foo(). */`
20			`/* { dg-final { scan-tree-dump-times "V_MAY_DEF" 2 "alias1"} } */`
21			`/* { dg-final { cleanup-tree-dump "alias1" } } */`

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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20040517-1.c] - Blame information for rev 867