/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-fre1 -fdump-tree-optimized" } */ int i; void foo (void); void bar (void) { int j; i = 0; for (j = 0; j < 10000; j++) if (i) foo (); } /* Everything except for the "i = 0" assignment should get removed. Value numbering already figures out the if in the loop is never true. */ /* { dg-final { scan-tree-dump-times "foo" 0 "fre1" } } */ /* { dg-final { scan-tree-dump-times "if" 0 "optimized" } } */