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* tree-optimize.c (init_tree_optimization_passes): Re-organize
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / tree-ssa / pr20657.c
1 /* PR tree-optimization/20657
2    VRP did not pick up a conditional equivalence from the first "if"
3    statement, which was needed to eliminate the second "if" statement.  */
4
5 /* { dg-do compile } */
6 /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-vrp-details" } */
7
8 int
9 foo (int a)
10 {
11   if (a == 0)
12     if (a == 0)
13       return 1;
14   return 0;
15 }
16
17 /* { dg-final { scan-tree-dump-times "Folding predicate" 1 "vrp"} } */
18 /* { dg-final { cleanup-tree-dump "vrp" } } */