/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ /* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */ #ifndef TYPE #define TYPE char* #endif extern char a[]; /* Can not infer loop iteration from array -- exit test can not be replaced by the array address. */ void foo (unsigned int i_width, TYPE dst) { unsigned long long i = 0; unsigned long long j = 0; for ( ; j < i_width; ) { *dst = a[i]; dst++; i += 2; j += 1; } } /* { dg-final { scan-tree-dump-times "\[^:\]*if \\(.*j_\[0-9\]+.*\\)" 1 "ivopts"} } */ /* { dg-final { cleanup-tree-dump "ivopts" } } */