/* Verify straight-line strength reduction for a candidate with a basis hidden by two phi dependences, and having a known stride. */ /* { dg-do compile } */ /* { dg-options "-O3 -fdump-tree-optimized" } */ extern void g (void); int f (int c, int i) { int a1, a2, a3, x1, x2, x3, x; a1 = i * 16; x1 = c + a1; i = i + 2; a2 = i * 16; x2 = c + a2; if (x2 > 6) { if (c < 200) i = i + 2; else i = i + 4; g (); } else i = i + 6; i = i + 2; a3 = i * 16; x3 = c + a3; x = x1 + x2 + x3; return x; } /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times "PHI" 2 "optimized" } } */