| ! { dg-do compile } |
| ! { dg-options "-O2 -fdump-tree-optimized" } |
| ! Tests whether volatile really works |
| ! PR fortran/29601 |
| logical, volatile :: t1 |
| logical :: t2 |
| integer :: i |
| |
| t2 = .false. |
| t1 = .false. |
| do i = 1, 2 |
| if(t1) print *, 'VolatileNotOptimizedAway' |
| if(t2) print *, 'NonVolatileNotOptimizedAway' |
| end do |
| end |
| ! { dg-final { scan-tree-dump "VolatileNotOptimizedAway" "optimized" } } */ |
| ! { dg-final { scan-tree-dump-not "NonVolatileNotOptimizedAway" "optimized" } } */ |
| ! { dg-final { cleanup-tree-dump "optimized" } } */ |