1/* { dg-do compile } */ 2/* { dg-options "-O -fdump-tree-optimized" } */ 3 4int f1(int a) 5{ 6 return a*6-a; 7} 8 9int f2(int a) 10{ 11 return a*4+a; 12} 13 14int f3(int a) 15{ 16 return 2*a + 3*a; 17} 18 19int f4(int a, int b) 20{ 21 return 2*a + 6*b; 22} 23 24int f5(int a, int b) 25{ 26 return 2*a - 6*b; 27} 28 29int f6(int a, int b) 30{ 31 return 6*a - 2*b; 32} 33 34/* { dg-final { scan-tree-dump-times "a_..D. \\\* 5" 3 "optimized" } } */ 35/* { dg-final { scan-tree-dump-times " \\\* 2" 3 "optimized" } } */ 36/* { dg-final { scan-tree-dump-not "\\\* 6" "optimized" } } */ 37/* { dg-final { cleanup-tree-dump "optimized" } } */ 38