gcc/testsuite/gcc.dg/tree-ssa/pr103281-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 /* PR tree-optmization/103281 */
   4
   5 void foo(void);
   6
   7 static unsigned b;
   8
   9 int main() {
  10   for (; b < 3; b++) {
  11     char c = b;
  12     char a = c ? c : c << 1;
  13     if (!(a < 1 ^ b))
  14       foo();
  15   }
  16 }
  17
  18 /* the call to foo should be optimized away. */
  19 /* { dg-final { scan-tree-dump-not "foo " "optimized" } } */