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Adding Changes for invoking Masked Operation #98423

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Jul 12, 2024
Merged

Adding Changes for invoking Masked Operation #98423

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10 changes: 10 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 @@ -332,6 +332,16 @@ bool ClauseProcessor::processDistSchedule(
return false;
}

bool ClauseProcessor::processFilter(lower::StatementContext &stmtCtx,
mlir::omp::FilterClauseOps &result) const {
if (auto *clause = findUniqueClause<omp::clause::Filter>()) {
result.filteredThreadIdVar =
fir::getBase(converter.genExprValue(clause->v, stmtCtx));
return true;
}
return false;
}

bool ClauseProcessor::processFinal(lower::StatementContext &stmtCtx,
mlir::omp::FinalClauseOps &result) const {
const parser::CharBlock *source = nullptr;
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2 changes: 2 additions & 0 deletions flang/lib/Lower/OpenMP/ClauseProcessor.h
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Expand Up @@ -63,6 +63,8 @@ class ClauseProcessor {
bool processDeviceType(mlir::omp::DeviceTypeClauseOps &result) const;
bool processDistSchedule(lower::StatementContext &stmtCtx,
mlir::omp::DistScheduleClauseOps &result) const;
bool processFilter(lower::StatementContext &stmtCtx,
mlir::omp::FilterClauseOps &result) const;
bool processFinal(lower::StatementContext &stmtCtx,
mlir::omp::FinalClauseOps &result) const;
bool processHasDeviceAddr(
Expand Down
29 changes: 28 additions & 1 deletion flang/lib/Lower/OpenMP/OpenMP.cpp
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Expand Up @@ -1067,6 +1067,15 @@ genLoopNestClauses(lower::AbstractConverter &converter,
clauseOps.loopInclusiveAttr = converter.getFirOpBuilder().getUnitAttr();
}

static void genMaskedClauses(lower::AbstractConverter &converter,
semantics::SemanticsContext &semaCtx,
lower::StatementContext &stmtCtx,
const List<Clause> &clauses, mlir::Location loc,
mlir::omp::MaskedClauseOps &clauseOps) {
ClauseProcessor cp(converter, semaCtx, clauses);
cp.processFilter(stmtCtx, clauseOps);
}

static void
genOrderedRegionClauses(lower::AbstractConverter &converter,
semantics::SemanticsContext &semaCtx,
Expand Down Expand Up @@ -1375,6 +1384,21 @@ genLoopNestOp(lower::AbstractConverter &converter, lower::SymMap &symTable,
queue, item, clauseOps);
}

static mlir::omp::MaskedOp
genMaskedOp(lower::AbstractConverter &converter, lower::SymMap &symTable,
semantics::SemanticsContext &semaCtx, lower::pft::Evaluation &eval,
mlir::Location loc, const ConstructQueue &queue,
ConstructQueue::iterator item) {
lower::StatementContext stmtCtx;
mlir::omp::MaskedClauseOps clauseOps;
genMaskedClauses(converter, semaCtx, stmtCtx, item->clauses, loc, clauseOps);

return genOpWithBody<mlir::omp::MaskedOp>(
OpWithBodyGenInfo(converter, symTable, semaCtx, loc, eval,
llvm::omp::Directive::OMPD_masked),
queue, item, clauseOps);
}

static mlir::omp::MasterOp
genMasterOp(lower::AbstractConverter &converter, lower::SymMap &symTable,
semantics::SemanticsContext &semaCtx, lower::pft::Evaluation &eval,
Expand Down Expand Up @@ -2106,9 +2130,11 @@ static void genOMPDispatch(lower::AbstractConverter &converter,
*loopDsp);
break;
case llvm::omp::Directive::OMPD_loop:
case llvm::omp::Directive::OMPD_masked:
TODO(loc, "Unhandled directive " + llvm::omp::getOpenMPDirectiveName(dir));
break;
case llvm::omp::Directive::OMPD_masked:
genMaskedOp(converter, symTable, semaCtx, eval, loc, queue, item);
break;
case llvm::omp::Directive::OMPD_master:
genMasterOp(converter, symTable, semaCtx, eval, loc, queue, item);
break;
Expand Down Expand Up @@ -2444,6 +2470,7 @@ static void genOMP(lower::AbstractConverter &converter, lower::SymMap &symTable,
!std::holds_alternative<clause::Copyprivate>(clause.u) &&
!std::holds_alternative<clause::Default>(clause.u) &&
!std::holds_alternative<clause::Depend>(clause.u) &&
!std::holds_alternative<clause::Filter>(clause.u) &&
!std::holds_alternative<clause::Final>(clause.u) &&
!std::holds_alternative<clause::Firstprivate>(clause.u) &&
!std::holds_alternative<clause::HasDeviceAddr>(clause.u) &&
Expand Down
13 changes: 0 additions & 13 deletions flang/test/Lower/OpenMP/Todo/masked-directive.f90
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25 changes: 25 additions & 0 deletions flang/test/Lower/OpenMP/masked.f90
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Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s

!CHECK-LABEL: func @_QPomp_masked
subroutine omp_masked(threadId)
integer :: threadId

!CHECK: omp.masked {
!$omp masked

!CHECK: fir.call @_QPmasked() {{.*}}: () -> ()
call masked()

!CHECK: omp.terminator
!$omp end masked

!CHECK: omp.masked filter({{.*}}) {
!$omp masked filter(threadId)

!CHECK: fir.call @_QPmaskedwithfilter() {{.*}}: () -> ()
call maskedWithFilter()

!CHECK: omp.terminator
!$omp end masked
end subroutine omp_masked

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