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* tree-loop-linear.c (try_interchange_loops): Compare memory access
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / tree-ssa / pr21031.c
1 /* PR tree-optimization/21031
2
3    Make sure that a != 0 is propagated into the "if" statement.  */
4
5 /* { dg-do compile } */
6 /* { dg-options "-O1 -fdump-tree-forwprop1-details" } */
7
8 int
9 foo (int a)
10 {
11   int b = a != 0;
12   unsigned char c = b;
13   if (c)
14     return 1;
15   else
16     return 0;
17 }
18
19 /* { dg-final { scan-tree-dump-times "Replaced" 2 "forwprop1"} } */
20 /* { dg-final { cleanup-tree-dump "forwprop1" } } */