/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ /* PR tree-optimization/117414 */ /* Fre1 should figure out that `*aaa != 0` For f0, f1, and f2. */ void foo(); int f(int *aaa, int j, int t) { int b = *aaa; int c = b == 0; int d = t != 1; if (c | d) return 0; for(int i = 0; i < j; i++) { if (*aaa) ; else foo(); } return 0; } int f1(int *aaa, int j, int t) { int b = *aaa; if (b == 0) return 0; if (t != 1) return 0; for(int i = 0; i < j; i++) { if (*aaa) ; else foo(); } return 0; } /* { dg-final { scan-tree-dump-not "foo " "optimized" } } */ /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */