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jeremybenn |
! { dg-do run }
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! { dg-options "-fdump-tree-optimized -O3" }
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! Test setting host-/use-associated variables as VOLATILE
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! PR fortran/30522
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module impl
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implicit REAL (A-Z)
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volatile :: x
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end module impl
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module one
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implicit none
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logical :: l, lv
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volatile :: lv
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contains
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subroutine test1(cmp)
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logical :: cmp
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volatile :: l, lv
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if (l .neqv. cmp) call abort()
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if (lv .neqv. cmp) call abort()
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l = .false.
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lv = .false.
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if(l .or. lv) print *, 'one_test1' ! not optimized away
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end subroutine test1
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subroutine test2(cmp)
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logical :: cmp
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if (l .neqv. cmp) call abort()
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if (lv .neqv. cmp) call abort()
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l = .false.
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if(l) print *, 'one_test2_1' ! optimized away
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lv = .false.
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if(lv) print *, 'one_test2_2' ! not optimized away
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end subroutine test2
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end module one
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module two
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use :: one
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implicit none
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volatile :: lv,l
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contains
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subroutine test1t(cmp)
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logical :: cmp
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volatile :: l, lv
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if (l .neqv. cmp) call abort()
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if (lv .neqv. cmp) call abort()
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l = .false.
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if(l) print *, 'two_test1_1' ! not optimized away
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lv = .false.
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if(lv) print *, 'two_test1_2' ! not optimized away
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end subroutine test1t
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subroutine test2t(cmp)
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logical :: cmp
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if (l .neqv. cmp) call abort()
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if (lv .neqv. cmp) call abort()
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l = .false.
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if(l) print *, 'two_test2_1' ! not optimized away
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lv = .false.
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if(lv) print *, 'two_test2_2' ! not optimized away
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end subroutine test2t
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end module two
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program main
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use :: two, only: test1t, test2t
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implicit none
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logical :: lm, lmv
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volatile :: lmv
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lm = .true.
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lmv = .true.
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call test1m(.true.)
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lm = .true.
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lmv = .true.
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call test2m(.true.)
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lm = .false.
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lmv = .false.
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call test1m(.false.)
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lm = .false.
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lmv = .false.
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call test2m(.false.)
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contains
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subroutine test1m(cmp)
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use :: one
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logical :: cmp
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volatile :: lm,lmv
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if(lm .neqv. cmp) call abort()
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if(lmv .neqv. cmp) call abort()
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l = .false.
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lv = .false.
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call test1(.false.)
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l = .true.
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lv = .true.
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call test1(.true.)
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lm = .false.
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lmv = .false.
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if(lm .or. lmv) print *, 'main_test1_1' ! not optimized away
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l = .false.
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if(l) print *, 'main_test1_2' ! optimized away
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lv = .false.
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if(lv) print *, 'main_test1_3' ! not optimized away
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l = .false.
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lv = .false.
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call test2(.false.)
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l = .true.
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lv = .true.
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call test2(.true.)
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end subroutine test1m
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subroutine test2m(cmp)
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use :: one
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logical :: cmp
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volatile :: lv
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if(lm .neqv. cmp) call abort
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if(lmv .neqv. cmp) call abort()
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l = .false.
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lv = .false.
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call test1(.false.)
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l = .true.
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lv = .true.
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call test1(.true.)
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lm = .false.
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if(lm) print *, 'main_test2_1' ! not optimized away
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lmv = .false.
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if(lmv)print *, 'main_test2_2' ! not optimized away
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l = .false.
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if(l) print *, 'main_test2_3' ! optimized away
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lv = .false.
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if(lv) print *, 'main_test2_4' ! not optimized away
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l = .false.
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lv = .false.
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call test2(.false.)
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l = .true.
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lv = .true.
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call test2(.true.)
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end subroutine test2m
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end program main
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! { dg-final { scan-tree-dump "one_test1" "optimized" } }
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! TODO: dg-final { scan-tree-dump-not "one_test2_1" "optimized" }
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! { dg-final { scan-tree-dump "one_test2_2" "optimized" } }
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! { dg-final { scan-tree-dump "one_test2_2" "optimized" } }
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! { dg-final { scan-tree-dump "two_test2_1" "optimized" } }
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! { dg-final { scan-tree-dump "two_test2_2" "optimized" } }
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! { dg-final { scan-tree-dump "main_test1_1" "optimized" } }
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! TODO: dg-final { scan-tree-dump-not "main_test1_2" "optimized" }
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! { dg-final { scan-tree-dump "main_test1_3" "optimized" } }
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! { dg-final { scan-tree-dump "main_test2_1" "optimized" } }
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! { dg-final { scan-tree-dump "main_test2_2" "optimized" } }
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! TODO: dg-final { scan-tree-dump-not "main_test2_3" "optimized" }
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! { dg-final { scan-tree-dump "main_test2_4" "optimized" } }
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! { dg-final { cleanup-tree-dump "optimized" } }
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! { dg-final { cleanup-modules "impl one two" } }
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