aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-2.c
blob: 104ef26df40ca1fa74be38da3796549e95532f2f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dse1" } */

int a, b, c;
int
foo ()
{
  int *p;
  if (c)
    p = &a;
  else
    p = &b;

  *p = 3;
  *p = 4;
  return *p;
}


/* We should eliminate the first assignment to *p, but not the second.  */
/* { dg-final { scan-tree-dump-times " = 3" 0 "dse1"} } */
/* { dg-final { scan-tree-dump-times " = 4" 1 "dse1"} } */

/* { dg-final { cleanup-tree-dump "dse1" } } */