/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-vrp1" } */ int f(_Bool a) { int t = a; if (t != 2) return 0; return 1; } int f1(unsigned char a) { int t = a; if (t != 256) return 0; return 1; } int f3 (unsigned char c) { int i = c; if (i < 0 || i > 255) return -1; else return 0; } /* { dg-final { scan-tree-dump-times "if " 0 "vrp1" } } * / /* { dg-final { cleanup-tree-dump "vrp1" } } */