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