1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-optimized -fdump-tree-phiopt2" } */
3
4 int g(int,int);
f(int t,int c)5 int f(int t, int c)
6 {
7 int d = 0;
8 int e = 0;
9 if (t)
10 {
11 d = 1;
12 e = t;
13 }
14 else d = 0, e = 0;
15 return g(e,d);
16 }
17
18 /* This testcase should be reduced to e = t; d = t != 0; in phiopt1
19 but currently is not as PHI-OPT does not reduce the t PHI as we have
20 two phis. Note this is fixed with
21 http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01195.html . */
22 /* { dg-final { scan-tree-dump-not "if" "phiopt2" } } */
23 /* { dg-final { scan-tree-dump "g .t_\[0-9\]*.D.," "optimized" } } */
24 /* { dg-final { scan-tree-dump-not "PHI" "optimized" } } */
25