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re PR fortran/42831 (Unnecessary array temporary produced)

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2010-10-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/42831
	* gfortran.dg/dependency_37.f90:  New test.

From-SVN: r164900
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Thomas Koenig 2010-10-02 08:00:50 +00:00
parent f2494e77ee
commit 9dcee88de8
2 changed files with 54 additions and 0 deletions
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gcc/testsuite/ChangeLog
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2010-10-02 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/42831
* gfortran.dg/dependency_37.f90: New test.
2010-10-01 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/shift_mask.c: New test.

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gcc/testsuite/gfortran.dg/dependency_37.f90 Normal file
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! { dg-do compile }
! { dg-options "-Warray-temporaries" }
! PR 48231 - this used to create an unnecessary temporary.
module UnitValue_Module
type :: UnitValue
real :: Value = 1.0
end type
interface operator(*)
module procedure ProductReal_LV
end interface operator(*)
interface assignment(=)
module procedure Assign_LV_Real
end interface assignment(=)
contains
elemental function ProductReal_LV(Multiplier, Multiplicand) result(P_R_LV)
real, intent(in) :: Multiplier
type(UnitValue), intent(in) :: Multiplicand
type(UnitValue) :: P_R_LV
P_R_LV%Value = Multiplier * Multiplicand%Value
end function ProductReal_LV
elemental subroutine Assign_LV_Real(LeftHandSide, RightHandSide)
real, intent(inout) :: LeftHandSide
type(UnitValue), intent(in) :: RightHandSide
LeftHandSide = RightHandSide%Value
end subroutine Assign_LV_Real
end module UnitValue_Module
program TestProgram
use UnitValue_Module
type :: TableForm
real, dimension(:,:), allocatable :: RealData
end type TableForm
REAL :: CENTIMETER
type(TableForm), pointer :: Table
allocate(Table)
allocate(Table%RealData(10,5))
CENTIMETER = 42
Table%RealData = 1
Table%RealData(:,1) = Table%RealData(:,1) * CENTIMETER
end program TestProgram
! { dg-final { cleanup-modules "UnitValue_Module" } }