1! { dg-do compile } 2! { dg-options "-O2 -fno-tree-pre -fpredictive-commoning -fdump-tree-pcom-details" } 3subroutine trisolve2(x,i1,i2,nxyz) 4integer :: nxyz 5real,dimension(nxyz):: au1 6real,allocatable,dimension(:) :: gi 7integer :: i1 , i2 8real,dimension(i2)::x 9integer :: i 10allocate(gi(nxyz)) 11do i = i1+1 , i2 12 x(i) = gi(i)*(x(i)-au1(i-1)*x(i-1)) 13enddo 14end subroutine trisolve2 15! { dg-final { scan-tree-dump "Executing predictive commoning" "pcom" } } 16