f4fc2d731c
Improve the check for whether a type can be passed by copy. Currently, passing by copy is done via the OMP_MAP_LITERAL mapping, which can only transfer as much data as can be contained in a pointer representation.
34 lines
1.1 KiB
Fortran
34 lines
1.1 KiB
Fortran
!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! Check that the complex*4 is passed by value. but complex*8 is passed by
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! reference
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!CHECK-LABEL: func.func @_QMmPbar()
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!CHECK: %[[V0:[0-9]+]]:2 = hlfir.declare {{.*}} (!fir.ref<complex<f64>>) -> (!fir.ref<complex<f64>>, !fir.ref<complex<f64>>)
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!CHECK: %[[V1:[0-9]+]]:2 = hlfir.declare {{.*}} (!fir.ref<complex<f32>>) -> (!fir.ref<complex<f32>>, !fir.ref<complex<f32>>)
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!CHECK: %[[V2:[0-9]+]] = omp.map.info var_ptr(%[[V1]]#1 : !fir.ref<complex<f32>>, complex<f32>) {{.*}} capture(ByCopy)
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!CHECK: %[[V3:[0-9]+]] = omp.map.info var_ptr(%[[V0]]#1 : !fir.ref<complex<f64>>, complex<f64>) {{.*}} capture(ByRef)
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!CHECK: omp.target map_entries(%[[V2]] -> {{.*}}, %[[V3]] -> {{.*}} : !fir.ref<complex<f32>>, !fir.ref<complex<f64>>)
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module m
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implicit none
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complex(kind=4) :: cfval = (24, 25)
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complex(kind=8) :: cdval = (28, 29)
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interface
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subroutine foo(x, y)
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complex(kind=4) :: x
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complex(kind=8) :: y
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!$omp declare target
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end
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end interface
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contains
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subroutine bar()
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!$omp target
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call foo(cfval, cdval)
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!$omp end target
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end
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end module
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