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[flang][cuda] Add TODO for allocate with default initialization #163625

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Merged
merged 1 commit into from
Oct 15, 2025
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[flang][cuda] Add TODO for allocate with default initialization #163625

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9 changes: 9 additions & 0 deletions flang/lib/Lower/Allocatable.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -767,6 +767,15 @@ class AllocateStmtHelper {
const fir::MutableBoxValue &box,
ErrorManager &errorManager,
const Fortran::semantics::Symbol &sym) {

if (const Fortran::semantics::DeclTypeSpec *declTypeSpec = sym.GetType())
if (const Fortran::semantics::DerivedTypeSpec *derivedTypeSpec =
declTypeSpec->AsDerived())
if (derivedTypeSpec->HasDefaultInitialization(
/*ignoreAllocatable=*/true, /*ignorePointer=*/true))
TODO(loc,
"CUDA Fortran: allocate on device with default initialization");

Fortran::lower::StatementContext stmtCtx;
cuf::DataAttributeAttr cudaAttr =
Fortran::lower::translateSymbolCUFDataAttribute(builder.getContext(),
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15 changes: 15 additions & 0 deletions flang/test/Lower/CUDA/TODO/cuda-allocate-default-init.cuf
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@@ -0,0 +1,15 @@
! RUN: %not_todo_cmd bbc -emit-fir -fcuda -o - %s 2>&1 | FileCheck %s

program test
implicit none

type :: t1
real(4) :: x_fin(1:10) = acos(-1.0_4)
end type t1

type(t1), allocatable, device :: t(:)

! CHECK: not yet implemented: CUDA Fortran: allocate on device with default initialization
allocate(t(1:2))

end program