/* { dg-do compile } */ /* { dg-options "-O -fdump-tree-optimized" } */ int f1(int a) { return a*6-a; } int f2(int a) { return a*4+a; } int f3(int a) { return 2*a + 3*a; } int f4(int a, int b) { return 2*a + 6*b; } int f5(int a, int b) { return 2*a - 6*b; } int f6(int a, int b) { return 6*a - 2*b; } /* { dg-final { scan-tree-dump-times "a_..D. \\\* 5" 3 "optimized" } } */ /* { dg-final { scan-tree-dump-times " \\\* 2" 3 "optimized" } } */ /* { dg-final { scan-tree-dump-not "\\\* 6" "optimized" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */