[flang-commits] [flang] f74b85c - [flang][openacc] Support array with dynamic extents in reduction recipe (#68829)
via flang-commits
flang-commits at lists.llvm.org
Mon Oct 16 12:50:43 PDT 2023
Author: Valentin Clement (バレンタイン クレメン)
Date: 2023-10-16T12:50:39-07:00
New Revision: f74b85c67827bd6b2115b5d0ccbf7f7de8cf5731
URL: https://github.com/llvm/llvm-project/commit/f74b85c67827bd6b2115b5d0ccbf7f7de8cf5731
DIFF: https://github.com/llvm/llvm-project/commit/f74b85c67827bd6b2115b5d0ccbf7f7de8cf5731.diff
LOG: [flang][openacc] Support array with dynamic extents in reduction recipe (#68829)
Add support for array with dynamic extents in lowering of the reduction
recipe.
Added:
Modified:
flang/lib/Lower/OpenACC.cpp
flang/test/Lower/OpenACC/acc-reduction.f90
Removed:
################################################################################
diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index e09266121cdb997..49db55047ff02ad 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -920,18 +920,27 @@ static mlir::Value genReductionInitRegion(fir::FirOpBuilder &builder,
declareOp.getBase());
return declareOp.getBase();
} else if (auto seqTy = mlir::dyn_cast_or_null<fir::SequenceType>(ty)) {
- if (seqTy.hasDynamicExtents())
- TODO(loc, "reduction recipe of array with dynamic extents");
if (fir::isa_trivial(seqTy.getEleTy())) {
- mlir::Value alloca = builder.create<fir::AllocaOp>(loc, seqTy);
- auto shapeOp = genShapeOp(builder, seqTy, loc);
+ mlir::Value shape;
+ auto extents = builder.getBlock()->getArguments().drop_front(1);
+ if (seqTy.hasDynamicExtents())
+ shape = builder.create<fir::ShapeOp>(loc, extents);
+ else
+ shape = genShapeOp(builder, seqTy, loc);
+ mlir::Value alloca = builder.create<fir::AllocaOp>(
+ loc, seqTy, /*typeparams=*/mlir::ValueRange{}, extents);
auto declareOp = builder.create<hlfir::DeclareOp>(
- loc, alloca, accReductionInitName, shapeOp,
+ loc, alloca, accReductionInitName, shape,
llvm::ArrayRef<mlir::Value>{}, fir::FortranVariableFlagsAttr{});
mlir::Type idxTy = builder.getIndexType();
mlir::Type refTy = fir::ReferenceType::get(seqTy.getEleTy());
llvm::SmallVector<fir::DoLoopOp> loops;
llvm::SmallVector<mlir::Value> ivs;
+
+ if (seqTy.hasDynamicExtents()) {
+ builder.create<hlfir::AssignOp>(loc, initValue, declareOp.getBase());
+ return declareOp.getBase();
+ }
for (auto ext : llvm::reverse(seqTy.getShape())) {
auto lb = builder.createIntegerConstant(loc, idxTy, 0);
auto ub = builder.createIntegerConstant(loc, idxTy, ext - 1);
@@ -1052,6 +1061,18 @@ static mlir::Value genScalarCombiner(fir::FirOpBuilder &builder,
TODO(loc, "reduction operator");
}
+static hlfir::DesignateOp::Subscripts
+getTripletsFromArgs(mlir::acc::ReductionRecipeOp recipe) {
+ hlfir::DesignateOp::Subscripts triplets;
+ for (unsigned i = 2; i < recipe.getCombinerRegion().getArguments().size();
+ i += 3)
+ triplets.emplace_back(hlfir::DesignateOp::Triplet{
+ recipe.getCombinerRegion().getArgument(i),
+ recipe.getCombinerRegion().getArgument(i + 1),
+ recipe.getCombinerRegion().getArgument(i + 2)});
+ return triplets;
+}
+
static void genCombiner(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::acc::ReductionOperator op, mlir::Type ty,
mlir::Value value1, mlir::Value value2,
@@ -1061,11 +1082,60 @@ static void genCombiner(fir::FirOpBuilder &builder, mlir::Location loc,
ty = fir::unwrapRefType(ty);
if (auto seqTy = mlir::dyn_cast<fir::SequenceType>(ty)) {
- assert(!seqTy.hasDynamicExtents() &&
- "Assumed shaped array should be boxed for reduction");
mlir::Type refTy = fir::ReferenceType::get(seqTy.getEleTy());
llvm::SmallVector<fir::DoLoopOp> loops;
llvm::SmallVector<mlir::Value> ivs;
+ if (seqTy.hasDynamicExtents()) {
+ auto shape =
+ genShapeFromBoundsOrArgs(loc, builder, seqTy, bounds,
+ recipe.getCombinerRegion().getArguments());
+ auto v1DeclareOp = builder.create<hlfir::DeclareOp>(
+ loc, value1, llvm::StringRef{}, shape, llvm::ArrayRef<mlir::Value>{},
+ fir::FortranVariableFlagsAttr{});
+ auto v2DeclareOp = builder.create<hlfir::DeclareOp>(
+ loc, value2, llvm::StringRef{}, shape, llvm::ArrayRef<mlir::Value>{},
+ fir::FortranVariableFlagsAttr{});
+ hlfir::DesignateOp::Subscripts triplets = getTripletsFromArgs(recipe);
+
+ llvm::SmallVector<mlir::Value> lenParamsLeft;
+ auto leftEntity = hlfir::Entity{v1DeclareOp.getBase()};
+ hlfir::genLengthParameters(loc, builder, leftEntity, lenParamsLeft);
+ auto leftDesignate = builder.create<hlfir::DesignateOp>(
+ loc, v1DeclareOp.getBase().getType(), v1DeclareOp.getBase(),
+ /*component=*/"",
+ /*componentShape=*/mlir::Value{}, triplets,
+ /*substring=*/mlir::ValueRange{}, /*complexPartAttr=*/std::nullopt,
+ shape, lenParamsLeft);
+ auto left = hlfir::Entity{leftDesignate.getResult()};
+
+ llvm::SmallVector<mlir::Value> lenParamsRight;
+ auto rightEntity = hlfir::Entity{v2DeclareOp.getBase()};
+ hlfir::genLengthParameters(loc, builder, rightEntity, lenParamsLeft);
+ auto rightDesignate = builder.create<hlfir::DesignateOp>(
+ loc, v2DeclareOp.getBase().getType(), v2DeclareOp.getBase(),
+ /*component=*/"",
+ /*componentShape=*/mlir::Value{}, triplets,
+ /*substring=*/mlir::ValueRange{}, /*complexPartAttr=*/std::nullopt,
+ shape, lenParamsRight);
+ auto right = hlfir::Entity{rightDesignate.getResult()};
+
+ llvm::SmallVector<mlir::Value, 1> typeParams;
+ auto genKernel = [&builder, &loc, op, seqTy, &left, &right](
+ mlir::Location l, fir::FirOpBuilder &b,
+ mlir::ValueRange oneBasedIndices) -> hlfir::Entity {
+ auto leftElement = hlfir::getElementAt(l, b, left, oneBasedIndices);
+ auto rightElement = hlfir::getElementAt(l, b, right, oneBasedIndices);
+ auto leftVal = hlfir::loadTrivialScalar(l, b, leftElement);
+ auto rightVal = hlfir::loadTrivialScalar(l, b, rightElement);
+ return hlfir::Entity{genScalarCombiner(
+ builder, loc, op, seqTy.getEleTy(), leftVal, rightVal)};
+ };
+ mlir::Value elemental = hlfir::genElementalOp(
+ loc, builder, seqTy.getEleTy(), shape, typeParams, genKernel,
+ /*isUnordered=*/true);
+ builder.create<hlfir::AssignOp>(loc, elemental, v1DeclareOp.getBase());
+ return;
+ }
if (allConstantBound) {
// Use the constant bound directly in the combiner region so they do not
// need to be passed as block argument.
@@ -1108,7 +1178,6 @@ static void genCombiner(fir::FirOpBuilder &builder, mlir::Location loc,
builder.create<fir::StoreOp>(loc, res, addr1);
builder.setInsertionPointAfter(loops[0]);
} else if (auto boxTy = mlir::dyn_cast<fir::BaseBoxType>(ty)) {
- llvm::SmallVector<mlir::Value> tripletArgs;
mlir::Type innerTy = extractSequenceType(boxTy);
fir::SequenceType seqTy =
mlir::dyn_cast_or_null<fir::SequenceType>(innerTy);
@@ -1160,8 +1229,20 @@ mlir::acc::ReductionRecipeOp Fortran::lower::createOrGetReductionRecipe(
mlir::OpBuilder modBuilder(mod.getBodyRegion());
auto recipe =
modBuilder.create<mlir::acc::ReductionRecipeOp>(loc, recipeName, ty, op);
+ llvm::SmallVector<mlir::Type> initArgsTy{ty};
+ llvm::SmallVector<mlir::Location> initArgsLoc{loc};
+ mlir::Type refTy = fir::unwrapRefType(ty);
+ if (auto seqTy = mlir::dyn_cast_or_null<fir::SequenceType>(refTy)) {
+ if (seqTy.hasDynamicExtents()) {
+ mlir::Type idxTy = builder.getIndexType();
+ for (unsigned i = 0; i < seqTy.getDimension(); ++i) {
+ initArgsTy.push_back(idxTy);
+ initArgsLoc.push_back(loc);
+ }
+ }
+ }
builder.createBlock(&recipe.getInitRegion(), recipe.getInitRegion().end(),
- {ty}, {loc});
+ initArgsTy, initArgsLoc);
builder.setInsertionPointToEnd(&recipe.getInitRegion().back());
mlir::Value initValue = genReductionInitRegion(builder, loc, ty, op);
builder.create<mlir::acc::YieldOp>(loc, initValue);
diff --git a/flang/test/Lower/OpenACC/acc-reduction.f90 b/flang/test/Lower/OpenACC/acc-reduction.f90
index 07979445394d929..b874d5219625df8 100644
--- a/flang/test/Lower/OpenACC/acc-reduction.f90
+++ b/flang/test/Lower/OpenACC/acc-reduction.f90
@@ -3,6 +3,35 @@
! RUN: bbc -fopenacc -emit-fir %s -o - | FileCheck %s --check-prefixes=CHECK,FIR
! RUN: bbc -fopenacc -emit-hlfir %s -o - | FileCheck %s --check-prefixes=CHECK,HLFIR
+! CHECK-LABEL: acc.reduction.recipe @reduction_max_ref_UxUxf32 : !fir.ref<!fir.array<?x?xf32>> reduction_operator <max> init {
+! CHECK: ^bb0(%[[ARG0:.*]]: !fir.ref<!fir.array<?x?xf32>>, %[[ARG1:.*]]: index, %[[ARG2:.*]]: index):
+! HLFIR: %[[CST:.*]] = arith.constant -1.401300e-45 : f32
+! HLFIR: %[[SHAPE:.*]] = fir.shape %arg1, %arg2 : (index, index) -> !fir.shape<2>
+! HLFIR: %[[TEMP:.*]] = fir.alloca !fir.array<?x?xf32>, %arg1, %arg2
+! HLFIR: %[[DECL:.*]]:2 = hlfir.declare %[[TEMP]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<?x?xf32>>, !fir.shape<2>) -> (!fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<?x?xf32>>)
+! HLFIR: hlfir.assign %[[CST]] to %[[DECL]]#0 : f32, !fir.box<!fir.array<?x?xf32>>
+! HLFIR: acc.yield %[[DECL]]#0 : !fir.box<!fir.array<?x?xf32>>
+! CHECK: } combiner {
+! CHECK: ^bb0(%[[V1:.*]]: !fir.ref<!fir.array<?x?xf32>>, %[[V2:.*]]: !fir.ref<!fir.array<?x?xf32>>, %[[LB0:.*]]: index, %[[UB0:.*]]: index, %[[STEP0:.*]]: index, %[[LB1:.*]]: index, %[[UB1:.*]]: index, %[[STEP1:.*]]: index):
+! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2>
+! HLFIR: %[[DECL_V1:.*]]:2 = hlfir.declare %[[V1]](%[[SHAPE]]) {uniq_name = ""} : (!fir.ref<!fir.array<?x?xf32>>, !fir.shape<2>) -> (!fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<?x?xf32>>)
+! HLFIR: %[[DECL_V2:.*]]:2 = hlfir.declare %[[V2]](%[[SHAPE]]) {uniq_name = ""} : (!fir.ref<!fir.array<?x?xf32>>, !fir.shape<2>) -> (!fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<?x?xf32>>)
+! HLFIR: %[[DES_V1:.*]] = hlfir.designate %[[DECL_V1]]#0 (%arg2:%arg3:%arg4, %arg5:%arg6:%arg7) shape %10 : (!fir.box<!fir.array<?x?xf32>>, index, index, index, index, index, index, !fir.shape<2>) -> !fir.box<!fir.array<?x?xf32>>
+! HLFIR: %[[DES_V2:.*]] = hlfir.designate %[[DECL_V2]]#0 (%arg2:%arg3:%arg4, %arg5:%arg6:%arg7) shape %10 : (!fir.box<!fir.array<?x?xf32>>, index, index, index, index, index, index, !fir.shape<2>) -> !fir.box<!fir.array<?x?xf32>>
+! HLFIR: %[[ELEMENTAL:.*]] = hlfir.elemental %[[SHAPE]] unordered : (!fir.shape<2>) -> !hlfir.expr<?x?xf32> {
+! HLFIR: ^bb0(%[[ARG0:.*]]: index, %[[ARG1:.*]]: index):
+! HLFIR: %[[D1:.*]] = hlfir.designate %13 (%[[ARG0]], %[[ARG1]]) : (!fir.box<!fir.array<?x?xf32>>, index, index) -> !fir.ref<f32>
+! HLFIR: %[[D2:.*]] = hlfir.designate %14 (%[[ARG0]], %[[ARG1]]) : (!fir.box<!fir.array<?x?xf32>>, index, index) -> !fir.ref<f32>
+! HLFIR: %[[LOAD1:.*]] = fir.load %[[D1]] : !fir.ref<f32>
+! HLFIR: %[[LOAD2:.*]] = fir.load %[[D2]] : !fir.ref<f32>
+! HLFIR: %[[CMP:.*]] = arith.cmpf ogt, %[[LOAD1]], %[[LOAD2]] : f32
+! HLFIR: %[[SELECT:.*]] = arith.select %[[CMP]], %[[LOAD1]], %[[LOAD2]] : f32
+! HLFIR: hlfir.yield_element %[[SELECT]] : f32
+! HLFIR: }
+! HLFIR: hlfir.assign %[[ELEMENTAL]] to %[[DECL_V1]]#0 : !hlfir.expr<?x?xf32>, !fir.box<!fir.array<?x?xf32>>
+! HLFIR: acc.yield %[[V1]] : !fir.ref<!fir.array<?x?xf32>>
+! CHECK: }
+
! CHECK-LABEL: acc.reduction.recipe @reduction_max_box_ptr_Uxf32 : !fir.box<!fir.ptr<!fir.array<?xf32>>> reduction_operator <max> init {
! CHECK: ^bb0(%{{.*}}: !fir.box<!fir.ptr<!fir.array<?xf32>>>):
! CHECK: } combiner {
@@ -290,8 +319,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_max_section_ext100_ref_100xf32 : !fir.ref<!fir.array<100xf32>> reduction_operator <max> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100xf32>>):
! CHECK: %[[INIT:.*]] = arith.constant -1.401300e-45 : f32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xf32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}} : (index) -> !fir.shape<1>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xf32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<100xf32>>, !fir.ref<!fir.array<100xf32>>)
! CHECK: %[[LB:.*]] = arith.constant 0 : index
! CHECK: %[[UB:.*]] = arith.constant 99 : index
@@ -338,8 +367,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_max_section_ext100xext10_ref_100x10xi32 : !fir.ref<!fir.array<100x10xi32>> reduction_operator <max> init {
! CHECK: ^bb0(%arg0: !fir.ref<!fir.array<100x10xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant -2147483648 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100x10xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<100x10xi32>>, !fir.ref<!fir.array<100x10xi32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100x10xi32>>
! CHECK: } combiner {
@@ -384,8 +413,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_min_section_ext100xext10_ref_100x10xf32 : !fir.ref<!fir.array<100x10xf32>> reduction_operator <min> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100x10xf32>>):
! CHECK: %[[INIT:.*]] = arith.constant 3.40282347E+38 : f32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xf32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xf32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100x10xf32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<100x10xf32>>, !fir.ref<!fir.array<100x10xf32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100x10xf32>>
! CHECK: } combiner {
@@ -430,8 +459,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_min_section_ext100_ref_100xi32 : !fir.ref<!fir.array<100xi32>> reduction_operator <min> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant 2147483647 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}} : (index) -> !fir.shape<1>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<100xi32>>, !fir.ref<!fir.array<100xi32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100xi32>>
! CHECK: } combiner {
@@ -487,8 +516,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_mul_section_ext100_ref_100xi32 : !fir.ref<!fir.array<100xi32>> reduction_operator <mul> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant 1 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}} : (index) -> !fir.shape<1>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<100xi32>>, !fir.ref<!fir.array<100xi32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100xi32>>
! CHECK: } combiner {
@@ -526,8 +555,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_add_section_ext100_ref_100xf32 : !fir.ref<!fir.array<100xf32>> reduction_operator <add> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100xf32>>):
! CHECK: %[[INIT:.*]] = arith.constant 0.000000e+00 : f32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xf32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}} : (index) -> !fir.shape<1>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xf32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100xf32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<100xf32>>, !fir.ref<!fir.array<100xf32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100xf32>>
! CHECK: } combiner {
@@ -565,8 +594,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_add_section_ext100xext10xext2_ref_100x10x2xi32 : !fir.ref<!fir.array<100x10x2xi32>> reduction_operator <add> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100x10x2xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant 0 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10x2xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}}, %{{.*}}, %{{.*}} : (index, index, index) -> !fir.shape<3>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10x2xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100x10x2xi32>>, !fir.shape<3>) -> (!fir.ref<!fir.array<100x10x2xi32>>, !fir.ref<!fir.array<100x10x2xi32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100x10x2xi32>>
! CHECK: } combiner {
@@ -598,8 +627,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_add_section_ext100xext10_ref_100x10xi32 : !fir.ref<!fir.array<100x10xi32>> reduction_operator <add> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100x10xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant 0 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}}, %{{.*}} : (index, index) -> !fir.shape<2>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100x10xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100x10xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<100x10xi32>>, !fir.ref<!fir.array<100x10xi32>>)
! HLFIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100x10xi32>>
! CHECK: } combiner {
@@ -626,8 +655,8 @@
! CHECK-LABEL: acc.reduction.recipe @reduction_add_section_ext100_ref_100xi32 : !fir.ref<!fir.array<100xi32>> reduction_operator <add> init {
! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.array<100xi32>>):
! CHECK: %[[INIT:.*]] = arith.constant 0 : i32
-! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[SHAPE:.*]] = fir.shape %{{.*}} : (index) -> !fir.shape<1>
+! CHECK: %[[ALLOCA:.*]] = fir.alloca !fir.array<100xi32>
! HLFIR: %[[DECLARE:.*]]:2 = hlfir.declare %[[ALLOCA]](%[[SHAPE]]) {uniq_name = "acc.reduction.init"} : (!fir.ref<!fir.array<100xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<100xi32>>, !fir.ref<!fir.array<100xi32>>)
! HFLIR: acc.yield %[[DECLARE]]#0 : !fir.ref<!fir.array<100xi32>>
! CHECK: } combiner {
@@ -1134,13 +1163,13 @@ subroutine acc_reduction_add_dynamic_extent_add(a)
! HLFIR: %[[RED:.*]] = acc.reduction varPtr(%{{.*}} : !fir.ref<!fir.array<?xi32>>) bounds(%{{.*}}) -> !fir.ref<!fir.array<?xi32>> {name = "a"}
! HLFIR: acc.parallel reduction(@reduction_add_box_Uxi32 -> %[[RED:.*]] : !fir.ref<!fir.array<?xi32>>)
-subroutine acc_reduction_add_dynamic_extent_max(a)
+subroutine acc_reduction_add_assumed_shape_max(a)
real :: a(:)
!$acc parallel reduction(max:a)
!$acc end parallel
end subroutine
-! CHECK-LABEL: func.func @_QPacc_reduction_add_dynamic_extent_max(
+! CHECK-LABEL: func.func @_QPacc_reduction_add_assumed_shape_max(
! CHECK-SAME: %[[ARG0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "a"})
! HLFIR: %[[DECLARG0:.*]]:2 = hlfir.declare %[[ARG0]]
! HLFIR: %[[RED:.*]] = acc.reduction varPtr(%{{.*}} : !fir.ref<!fir.array<?xf32>>) bounds(%{{.*}}) -> !fir.ref<!fir.array<?xf32>> {name = "a"}
@@ -1189,3 +1218,16 @@ subroutine acc_reduction_add_pointer_array(a)
! HLFIR: %[[BOX_ADDR:.*]] = fir.box_addr %[[BOX]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.ptr<!fir.array<?xf32>>
! HLFIR: %[[RED:.*]] = acc.reduction varPtr(%[[BOX_ADDR]] : !fir.ptr<!fir.array<?xf32>>) bounds(%[[BOUND]]) -> !fir.ptr<!fir.array<?xf32>> {name = "a"}
! HLFIR: acc.parallel reduction(@reduction_max_box_ptr_Uxf32 -> %[[RED]] : !fir.ptr<!fir.array<?xf32>>)
+
+subroutine acc_reduction_max_dynamic_extent_max(a, n)
+ integer :: n
+ real :: a(n, n)
+ !$acc parallel reduction(max:a)
+ !$acc end parallel
+end subroutine
+
+! CHECK-LABEL: func.func @_QPacc_reduction_max_dynamic_extent_max(
+! CHECK-SAME: %[[ARG0:.*]]: !fir.ref<!fir.array<?x?xf32>> {fir.bindc_name = "a"}, %{{.*}}: !fir.ref<i32> {fir.bindc_name = "n"})
+! HLFIR: %[[DECL_A:.*]]:2 = hlfir.declare %[[ARG0]](%{{.*}}) {uniq_name = "_QFacc_reduction_max_dynamic_extent_maxEa"} : (!fir.ref<!fir.array<?x?xf32>>, !fir.shape<2>) -> (!fir.box<!fir.array<?x?xf32>>, !fir.ref<!fir.array<?x?xf32>>)
+! HLFIR: %[[RED:.*]] = acc.reduction varPtr(%[[DECL_A]]#1 : !fir.ref<!fir.array<?x?xf32>>) bounds(%{{.*}}, %{{.*}}) -> !fir.ref<!fir.array<?x?xf32>> {name = "a"}
+! HLFIR: acc.parallel reduction(@reduction_max_ref_UxUxf32 -> %[[RED]] : !fir.ref<!fir.array<?x?xf32>>)
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