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[flang][OpenMP] Treat POINTER variables as valid variable list items #111722

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Oct 9, 2024
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10 changes: 7 additions & 3 deletions flang/lib/Semantics/check-omp-structure.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -200,8 +200,12 @@ bool OmpStructureChecker::CheckAllowedClause(llvmOmpClause clause) {
return CheckAllowed(clause);
}

bool OmpStructureChecker::IsVariableListItem(const Symbol &sym) {
return evaluate::IsVariable(sym) || sym.attrs().test(Attr::POINTER);
}

bool OmpStructureChecker::IsExtendedListItem(const Symbol &sym) {
return evaluate::IsVariable(sym) || sym.IsSubprogram();
return IsVariableListItem(sym) || sym.IsSubprogram();
}

bool OmpStructureChecker::IsCloselyNestedRegion(const OmpDirectiveSet &set) {
Expand Down Expand Up @@ -2351,7 +2355,7 @@ void OmpStructureChecker::Enter(const parser::OmpClause &x) {
SymbolSourceMap symbols;
GetSymbolsInObjectList(*objList, symbols);
for (const auto &[sym, source] : symbols) {
if (!evaluate::IsVariable(sym)) {
if (!IsVariableListItem(*sym)) {
deferredNonVariables_.insert({sym, source});
}
}
Expand Down Expand Up @@ -3428,7 +3432,7 @@ void OmpStructureChecker::Enter(const parser::OmpClause::To &x) {
SymbolSourceMap symbols;
GetSymbolsInObjectList(objList, symbols);
for (const auto &[sym, source] : symbols) {
if (!evaluate::IsVariable(*sym)) {
if (!IsVariableListItem(*sym)) {
context_.SayWithDecl(
*sym, source, "'%s' must be a variable"_err_en_US, sym->name());
}
Expand Down
1 change: 1 addition & 0 deletions flang/lib/Semantics/check-omp-structure.h
Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,7 @@ class OmpStructureChecker

private:
bool CheckAllowedClause(llvmOmpClause clause);
bool IsVariableListItem(const Symbol &sym);
bool IsExtendedListItem(const Symbol &sym);
void CheckMultipleOccurrence(semantics::UnorderedSymbolSet &listVars,
const std::list<parser::Name> &nameList, const parser::CharBlock &item,
Expand Down
13 changes: 13 additions & 0 deletions flang/test/Semantics/OpenMP/shared-pointer.f90
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
!RUN: %flang_fc1 -fopenmp -emit-fir -o - %s | FileCheck %s
!RUN: bbc -fopenmp -emit-fir -o - %s | FileCheck %s

!Allow POINTER variables in OpenMP SHARED clause. Check that this
!code compiles.

!CHECK-LABEL: func.func @_QPfoo
subroutine foo()
procedure(), pointer :: pf
!$omp parallel shared(pf)
!$omp end parallel
end

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