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[flang][OpenMP] Treat ClassType as BoxType in COPYPRIVATE #141844

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Merged
merged 2 commits into from
May 29, 2025
Merged

[flang][OpenMP] Treat ClassType as BoxType in COPYPRIVATE #141844

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4da5be5
[flang][OpenMP] Treat ClassType as BoxType in COPYPRIVATE
kparzysz May 28, 2025
f8aab60
Merge branch 'main' into users/kparzysz/copyprivate-polymorphic
kparzysz May 29, 2025
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3 changes: 3 additions & 0 deletions flang/lib/Lower/OpenMP/ClauseProcessor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -743,6 +743,9 @@ void TypeInfo::typeScan(mlir::Type ty) {
} else if (auto bty = mlir::dyn_cast<fir::BoxType>(ty)) {
inBox = true;
typeScan(bty.getEleTy());
} else if (auto cty = mlir::dyn_cast<fir::ClassType>(ty)) {
inBox = true;
typeScan(cty.getEleTy());
} else if (auto cty = mlir::dyn_cast<fir::CharacterType>(ty)) {
charLen = cty.getLen();
} else if (auto hty = mlir::dyn_cast<fir::HeapType>(ty)) {
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18 changes: 18 additions & 0 deletions flang/test/Lower/OpenMP/copyprivate4.f90
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@@ -0,0 +1,18 @@
!RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s

!The second testcase from https://github.com/llvm/llvm-project/issues/141481

!Check that we don't crash on this.

!CHECK: omp.single copyprivate(%6#0 -> @_copy_class_ptr_rec__QFf01Tt : !fir.ref<!fir.class<!fir.ptr<!fir.type<_QFf01Tt>>>>) {
!CHECK: omp.terminator
!CHECK: }

subroutine f01
type t
end type
class(t), pointer :: tt

!$omp single copyprivate(tt)
!$omp end single
end