| ! { dg-do run } |
| ! PR 48955 - missing array temporary when there was both a forward |
| ! and a backward dependency. |
| ! Test case slightly modified from the original one by Kacper Kowalik. |
| program ala |
| implicit none |
| |
| integer, parameter :: n = 6 |
| real, dimension(n), parameter :: result = [1.,10.,30.,90.,270., 243.]; |
| real, dimension(n) :: v0, v1 |
| character(len=80) :: line1, line2 |
| |
| v0 = [1.0, 3.0, 9.0, 27.0, 81.0, 243.0] |
| v1 = v0 |
| |
| v1(2:n-1) = v1(1:n-2) + v1(3:n) |
| if (any(v1 /= result)) STOP 1 |
| v1 = v0 |
| v1(2:n-1) = v0(1:n-2) + v0(3:n) |
| if (any(v1 /= result)) STOP 2 |
| |
| v1 = v0 |
| v1(2:n-1) = v1(3:n) + v1(1:n-2) |
| if (any(v1 /= result)) STOP 3 |
| v1 = v0 |
| v1(2:n-1) = v0(3:n) + v0(1:n-2) |
| if (any(v1 /= result)) STOP 4 |
| |
| end program ala |
