Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gfortran.dg/elemental_dependency_1.f90 @ 128:fe568345ddd5
fix CbC-example
author | mir3636 |
---|---|
date | Wed, 11 Apr 2018 19:32:28 +0900 |
parents | 04ced10e8804 |
children | 84e7813d76e9 |
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! { dg-do run } ! { dg-options "-fdump-tree-original" } ! ! PR fortran/35681 ! Test the use of temporaries in case of elemental subroutines. PROGRAM main IMPLICIT NONE INTEGER, PARAMETER :: sz = 5 INTEGER :: i INTEGER :: a(sz) = (/ (i, i=1,sz) /) INTEGER :: b(sz) b = a CALL double(a(sz-b+1), a) ! { dg-warning "might interfere with actual" } ! Don't check the result, as the above is invalid ! and might produce unexpected results (overlapping vector subscripts). b = a CALL double (a, a) ! same range, no temporary IF (ANY(a /= 2*b)) CALL abort b = a CALL double (a+1, a) ! same range, no temporary IF (ANY(a /= 2*b+2)) CALL abort b = a CALL double ((a(1:sz)), a(1:sz)) ! same range, no temporary IF (ANY(a /= 2*b)) CALL abort b = a CALL double(a(1:sz-1), a(2:sz)) ! { dg-warning "might interfere with actual" } ! Don't check the result, as the above is invalid, ! and might produce unexpected results (arguments overlap). b = a CALL double((a(1:sz-1)), a(2:sz)) ! paren expression, temporary created ! { dg-final { scan-tree-dump-times "A\.16\\\[4\\\]" 1 "original" } } IF (ANY(a /= (/ b(1), (2*b(i), i=1,sz-1) /))) CALL abort b = a CALL double(a(1:sz-1)+1, a(2:sz)) ! op expression, temporary created ! { dg-final { scan-tree-dump-times "A\.25\\\[4\\\]" 1 "original" } } IF (ANY(a /= (/ b(1), (2*b(i)+2, i=1,sz-1) /))) CALL abort b = a CALL double(self(a), a) ! same range, no temporary IF (ANY(a /= 2*b)) CALL abort b = a CALL double(self(a(1:sz-1)), a(2:sz)) ! function expr, temporary created ! { dg-final { scan-tree-dump-times "A\.37\\\[4\\\]" 1 "original" } } IF (ANY(a /= (/ b(1), (2*b(i), i=1,sz-1) /))) CALL abort CONTAINS ELEMENTAL SUBROUTINE double(a, b) IMPLICIT NONE INTEGER, INTENT(IN) :: a INTEGER, INTENT(OUT) :: b b = 2 * a END SUBROUTINE double ELEMENTAL FUNCTION self(a) IMPLICIT NONE INTEGER, INTENT(IN) :: a INTEGER :: self self = a END FUNCTION self END PROGRAM main ! { dg-final { scan-tree-dump-times "_gfortran_internal_unpack" 3 "original" } }