summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/tree-ssa/loadpre5.c
blob: 475050a6f857b7324773d6cbc09714beb3d6c0af (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-pre-stats" } */
int p;
int r;

__attribute__ ((noinline))
static int a(void)
{
  return p;
}
int foo(int argc)
{
  int q;
  q = a();

  /* We should be able to move the call to a into the if path.
     in a perfect world, we'd actually decide that it can't touch
     r, and not recompute it at all!.  */
  if (argc)
    r = 9;
  return q + a();
}
/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
/* { dg-final { cleanup-tree-dump "pre" } } */