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[flang][cuda] Fix CUDA generic resolution for VALUE arguments in device procedures #140952

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Merged
merged 7 commits into from
Jun 10, 2025
Merged

[flang][cuda] Fix CUDA generic resolution for VALUE arguments in device procedures #140952

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8582d5a
Implicitly set device attribute for variables that have VALUE attribu…
wangzpgi May 21, 2025
f7db7c9
update test
wangzpgi May 21, 2025
171b655
fix CUDA generic resolution for VALUE argument
wangzpgi Jun 10, 2025
8ec0fe9
add check for VALUE dummy
wangzpgi Jun 10, 2025
023b9e0
add check of VALUE attribute for actual
wangzpgi Jun 10, 2025
fbb7f45
Merge branch 'main' into value
wangzpgi Jun 10, 2025
b19221d
Merge branch 'main' into value
wangzpgi Jun 10, 2025
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5 changes: 5 additions & 0 deletions flang/lib/Semantics/check-call.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1033,6 +1033,11 @@ static void CheckExplicitDataArg(const characteristics::DummyDataObject &dummy,
*actualDataAttr == common::CUDADataAttr::Managed)) {
actualDataAttr = common::CUDADataAttr::Device;
}
if (!actualDataAttr &&
(*procedure.cudaSubprogramAttrs ==
common::CUDASubprogramAttrs::Device)) {
actualDataAttr = common::CUDADataAttr::Device;
}
}
if (dummyDataAttr == common::CUDADataAttr::Device &&
(dummyIsAssumedShape || dummyIsAssumedRank) &&
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11 changes: 7 additions & 4 deletions flang/test/Semantics/cuf21.cuf
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Expand Up @@ -9,19 +9,22 @@ module mlocModule
end interface maxlocUpdate
contains

attributes(global) subroutine maxlocPartialMaskR_32F1D()
attributes(global) subroutine maxlocPartialMaskR_32F1D(back)
implicit none
logical, intent(in), value :: back
real(4) :: mval

call maxlocUpdate(mval)
call maxlocUpdate(mval, back)

end subroutine maxlocPartialMaskR_32F1D

attributes(device) subroutine maxlocUpdateR_32F(mval)
attributes(device) subroutine maxlocUpdateR_32F(mval, back)
real(4) :: mval
logical :: back
end subroutine maxlocUpdateR_32F

attributes(device) subroutine maxlocUpdateR_64F(mval)
attributes(device) subroutine maxlocUpdateR_64F(mval, back)
real(8) :: mval
logical :: back
end subroutine maxlocUpdateR_64F
end module
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