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2006-01-05 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / tree-ssa / loop-6.c
1 /* { dg-do compile } */
2 /* { dg-options "-O1 -funswitch-loops -fdump-tree-unswitch-details -fdump-tree-optimized" } */
3
4 int ch;
5 int a[100];
6
7 void xxx(void)
8 {
9   int i;
10
11   for (i = 0; i < 100; i++)
12     {
13       if (ch)
14         a[i] = ch;
15       else
16         a[i] = i;
17     }
18 }
19
20 /* Loop should be unswitched.  */
21
22 /* { dg-final { scan-tree-dump-times "Unswitching loop" 1 "unswitch" } } */
23 /* { dg-final { cleanup-tree-dump "unswitch" } } */
24
25 /* In effect there should be exactly three conditional jumps in the final program.  */
26
27 /* { dg-final { scan-tree-dump-times "else" 3 "optimized" } } */
28 /* { dg-final { cleanup-tree-dump "optimized" } } */