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[flang][OpenMP] Handle common blocks in delayed privatization #100317

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Jul 24, 2024
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[flang][OpenMP] Handle common blocks in delayed privatization #100317

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27 changes: 20 additions & 7 deletions flang/lib/Lower/OpenMP/OpenMP.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1494,13 +1494,26 @@ genParallelOp(lower::AbstractConverter &converter, lower::SymMap &symTable,
allSymbols.append(dsp.getAllSymbolsToPrivatize().begin(),
dsp.getAllSymbolsToPrivatize().end());

for (auto [arg, prv] : llvm::zip_equal(allSymbols, region.getArguments())) {
converter.bindSymbol(*arg, hlfir::translateToExtendedValue(
loc, firOpBuilder, hlfir::Entity{prv},
/*contiguousHint=*/
evaluate::IsSimplyContiguous(
*arg, converter.getFoldingContext()))
.first);
unsigned argIdx = 0;
for (const semantics::Symbol *arg : allSymbols) {
auto bind = [&](const semantics::Symbol *sym) {
mlir::BlockArgument blockArg = region.getArgument(argIdx);
++argIdx;
converter.bindSymbol(*sym,
hlfir::translateToExtendedValue(
loc, firOpBuilder, hlfir::Entity{blockArg},
/*contiguousHint=*/
evaluate::IsSimplyContiguous(
*sym, converter.getFoldingContext()))
.first);
};

if (const auto *commonDet =
arg->detailsIf<semantics::CommonBlockDetails>()) {
for (const auto &mem : commonDet->objects())
bind(&*mem);
} else
bind(arg);
}

return allSymbols;
Expand Down
12 changes: 4 additions & 8 deletions flang/test/Lower/OpenMP/firstprivate-commonblock.f90
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@@ -1,4 +1,6 @@
! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
! RUN: %flang_fc1 -emit-hlfir -fopenmp \
! RUN: -mmlir --openmp-enable-delayed-privatization=true -o - %s 2>&1 \
! RUN: | FileCheck %s

!CHECK: func.func @_QPfirstprivate_common() {
!CHECK: %[[val_0:.*]] = fir.address_of(@c_) : !fir.ref<!fir.array<8xi8>>
Expand All @@ -12,15 +14,9 @@
!CHECK: %[[val_5:.*]] = fir.coordinate_of %[[val_4]], %[[val_c4]] : (!fir.ref<!fir.array<?xi8>>, index) -> !fir.ref<i8>
!CHECK: %[[val_6:.*]] = fir.convert %[[val_5]] : (!fir.ref<i8>) -> !fir.ref<f32>
!CHECK: %[[VAL_6_DECL:.*]]:2 = hlfir.declare %[[val_6]] {uniq_name = "_QFfirstprivate_commonEy"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: omp.parallel {
!CHECK: %[[val_7:.*]] = fir.alloca f32 {bindc_name = "x", pinned, uniq_name = "_QFfirstprivate_commonEx"}
!CHECK: omp.parallel private(@{{.*}} %{{.*}}#0 -> %[[val_7:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[val_9:.*]] : {{.*}}) {
!CHECK: %[[VAL_7_DECL:.*]]:2 = hlfir.declare %[[val_7]] {uniq_name = "_QFfirstprivate_commonEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: %[[val_8:.*]] = fir.load %[[VAL_3_DECL]]#0 : !fir.ref<f32>
!CHECK: hlfir.assign %[[val_8]] to %[[VAL_7_DECL]]#0 temporary_lhs : f32, !fir.ref<f32>
!CHECK: %[[val_9:.*]] = fir.alloca f32 {bindc_name = "y", pinned, uniq_name = "_QFfirstprivate_commonEy"}
!CHECK: %[[VAL_9_DECL:.*]]:2 = hlfir.declare %[[val_9]] {uniq_name = "_QFfirstprivate_commonEy"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: %[[val_10:.*]] = fir.load %[[VAL_6_DECL]]#0 : !fir.ref<f32>
!CHECK: hlfir.assign %[[val_10]] to %[[VAL_9_DECL]]#0 temporary_lhs : f32, !fir.ref<f32>
!CHECK: omp.terminator
!CHECK: }
!CHECK: return
Expand Down
24 changes: 9 additions & 15 deletions flang/test/Lower/OpenMP/private-commonblock.f90
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
! RUN: %flang_fc1 -emit-hlfir -fopenmp \
! RUN: -mmlir --openmp-enable-delayed-privatization=true -o - %s 2>&1 \
! RUN: | FileCheck %s

!CHECK: func.func @_QPprivate_common() {
!CHECK: omp.parallel {
!CHECK: %[[X:.*]] = fir.alloca f32 {bindc_name = "x", pinned, uniq_name = "_QFprivate_commonEx"}
!CHECK: omp.parallel private(@{{.*}} %{{.*}}#0 -> %[[X:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[Y:.*]] : {{.*}}) {
!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFprivate_commonEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: %[[Y:.*]] = fir.alloca f32 {bindc_name = "y", pinned, uniq_name = "_QFprivate_commonEy"}
!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {uniq_name = "_QFprivate_commonEy"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: omp.terminator
!CHECK: }
Expand Down Expand Up @@ -48,17 +48,13 @@ subroutine private_common
!CHECK: %[[D_REF:.*]] = fir.convert %[[D_DECL]]#1 : (!fir.ref<!fir.array<5x!fir.char<1,5>>>) -> !fir.ref<!fir.char<1,5>>
!CHECK: %[[D_BOX:.*]] = fir.emboxchar %[[D_REF]], %[[TP5]] : (!fir.ref<!fir.char<1,5>>, index) -> !fir.boxchar<1>
!CHECK: fir.call @_QPsub1(%[[A_DECL]]#1, %[[B_DECL]]#1, %[[C_BOX]], %[[D_BOX]]) fastmath<contract> : (!fir.ref<i32>, !fir.ref<!fir.array<10xf32>>, !fir.boxchar<1>, !fir.boxchar<1>) -> ()
!CHECK: omp.parallel {
!CHECK: %[[A_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "a", pinned, uniq_name = "_QFprivate_clause_commonblockEa"}
!CHECK: omp.parallel private(@{{.*}} %{{.*}}#0 -> %[[A_PVT_REF:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[B_PVT_REF:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[C_PVT_REF:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[D_PVT_REF:.*]] : {{.*}}) {
!CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFprivate_clause_commonblockEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[B_PVT_REF:.*]] = fir.alloca !fir.array<10xf32> {bindc_name = "b", pinned, uniq_name = "_QFprivate_clause_commonblockEb"}
!CHECK: %[[SH10:.*]] = fir.shape %c10 : (index) -> !fir.shape<1>
!CHECK: %[[SH10:.*]] = fir.shape %c10{{.*}} : (index) -> !fir.shape<1>
!CHECK: %[[B_PVT_DECL:.*]]:2 = hlfir.declare %[[B_PVT_REF]](%[[SH10]]) {uniq_name = "_QFprivate_clause_commonblockEb"} : (!fir.ref<!fir.array<10xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<10xf32>>, !fir.ref<!fir.array<10xf32>>)
!CHECK: %[[C_PVT_REF:.*]] = fir.alloca !fir.char<1,5> {bindc_name = "c", pinned, uniq_name = "_QFprivate_clause_commonblockEc"}
!CHECK: %[[C_PVT_DECL:.*]]:2 = hlfir.declare %[[C_PVT_REF]] typeparams %{{.*}} {uniq_name = "_QFprivate_clause_commonblockEc"} : (!fir.ref<!fir.char<1,5>>, index) -> (!fir.ref<!fir.char<1,5>>, !fir.ref<!fir.char<1,5>>)
!CHECK: %[[D_PVT_REF:.*]] = fir.alloca !fir.array<5x!fir.char<1,5>> {bindc_name = "d", pinned, uniq_name = "_QFprivate_clause_commonblockEd"}
!CHECK: %[[SH5:.*]] = fir.shape %c5_1 : (index) -> !fir.shape<1>
!CHECK: %[[D_PVT_DECL:.*]]:2 = hlfir.declare %[[D_PVT_REF]](%[[SH5]]) typeparams %[[TP5]] {uniq_name = "_QFprivate_clause_commonblockEd"} : (!fir.ref<!fir.array<5x!fir.char<1,5>>>, !fir.shape<1>, index) -> (!fir.ref<!fir.array<5x!fir.char<1,5>>>, !fir.ref<!fir.array<5x!fir.char<1,5>>>)
!CHECK: %[[SH5:.*]] = fir.shape %c5{{.*}} : (index) -> !fir.shape<1>
!CHECK: %[[D_PVT_DECL:.*]]:2 = hlfir.declare %[[D_PVT_REF]](%[[SH5]]) typeparams %c5{{.*}} {uniq_name = "_QFprivate_clause_commonblockEd"} : (!fir.ref<!fir.array<5x!fir.char<1,5>>>, !fir.shape<1>, index) -> (!fir.ref<!fir.array<5x!fir.char<1,5>>>, !fir.ref<!fir.array<5x!fir.char<1,5>>>)
!CHECK: %[[C_PVT_BOX:.*]] = fir.emboxchar %[[C_PVT_DECL]]#1, %{{.*}} : (!fir.ref<!fir.char<1,5>>, index) -> !fir.boxchar<1>
!CHECK: %[[D_PVT_REF:.*]] = fir.convert %[[D_PVT_DECL]]#1 : (!fir.ref<!fir.array<5x!fir.char<1,5>>>) -> !fir.ref<!fir.char<1,5>>
!CHECK: %[[D_PVT_BOX:.*]] = fir.emboxchar %[[D_PVT_REF]], %{{.*}} : (!fir.ref<!fir.char<1,5>>, index) -> !fir.boxchar<1>
Expand Down Expand Up @@ -98,10 +94,8 @@ subroutine private_clause_commonblock()
!CHECK: %[[C_ADDR:.*]] = fir.box_addr %[[C_BOX]] : (!fir.box<!fir.ptr<!fir.complex<4>>>) -> !fir.ptr<!fir.complex<4>>
!CHECK: %[[C_REF:.*]] = fir.convert %[[C_ADDR]] : (!fir.ptr<!fir.complex<4>>) -> !fir.ref<!fir.complex<4>>
!CHECK: fir.call @_QPsub4(%[[C_REF]], %[[A_DECL]]#1) fastmath<contract> : (!fir.ref<!fir.complex<4>>, !fir.ref<i32>) -> ()
!CHECK: omp.parallel {
!CHECK: %[[C_PVT_REF:.*]] = fir.alloca !fir.box<!fir.ptr<!fir.complex<4>>> {bindc_name = "c", pinned, uniq_name = "_QFprivate_clause_commonblock_pointerEc"}
!CHECK: omp.parallel private(@{{.*}} %{{.*}}#0 -> %[[C_PVT_REF:.*]] : {{.*}}, @{{.*}} %{{.*}}#0 -> %[[A_PVT_REF:.*]] : {{.*}}) {
!CHECK: %[[C_PVT_DECL:.*]]:2 = hlfir.declare %[[C_PVT_REF]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFprivate_clause_commonblock_pointerEc"} : (!fir.ref<!fir.box<!fir.ptr<!fir.complex<4>>>>) -> (!fir.ref<!fir.box<!fir.ptr<!fir.complex<4>>>>, !fir.ref<!fir.box<!fir.ptr<!fir.complex<4>>>>)
!CHECK: %[[A_PVT_REF:.*]] = fir.alloca i32 {bindc_name = "a", pinned, uniq_name = "_QFprivate_clause_commonblock_pointerEa"}
!CHECK: %[[A_PVT_DECL:.*]]:2 = hlfir.declare %[[A_PVT_REF]] {uniq_name = "_QFprivate_clause_commonblock_pointerEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[C_PVT_BOX:.*]] = fir.load %[[C_PVT_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.complex<4>>>>
!CHECK: %[[C_PVT_ADDR:.*]] = fir.box_addr %[[C_PVT_BOX]] : (!fir.box<!fir.ptr<!fir.complex<4>>>) -> !fir.ptr<!fir.complex<4>>
Expand Down
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