/* { dg-do compile } */ /* { dg-options "-funsafe-math-optimizations -fdump-tree-gimple" } */ float f(float x) { return x/2 + x/3; } float g(float x) { return 2/x + 3/x; } float h(float x) { return x/2 - x/3; } float i(float x) { return 2/x - 3/x; } /* f and h should be turned into multiplications, the divisions in g and i should be grouped together. */ /* { dg-final { scan-tree-dump-times " \\* " 2 "gimple" } } */ /* { dg-final { scan-tree-dump-times " / " 2 "gimple" } } */ /* { dg-final { cleanup-tree-dump "gimple" } } */