1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-evrp-details" } */ int f1(int a, int b, int c){ if(c==0)__builtin_unreachable(); a *= c; b *= c; return a == b; } int f2(int a, int b, int c){ c |= 1; a *= c; b *= c; return a == b; } /* { dg-final { scan-tree-dump-times "gimple_simplified to" 2 "evrp" } } */