[flang-commits] [flang] [Flang] And and All elemental lowering (PR #75776)
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flang-commits at lists.llvm.org
Mon Dec 18 01:21:05 PST 2023
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-flang-fir-hlfir
Author: David Green (davemgreen)
<details>
<summary>Changes</summary>
This is an extension of https://github.com/llvm/llvm-project/pull/75774, with Any and All lowering added alongside Count.
---
Patch is 48.08 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/75776.diff
4 Files Affected:
- (modified) flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp (+151)
- (added) flang/test/HLFIR/all-elemental.fir (+91)
- (added) flang/test/HLFIR/any-elemental.fir (+190)
- (added) flang/test/HLFIR/count-elemental.fir (+314)
``````````diff
diff --git a/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp b/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
index 7abfa20493c736..a41796d256b6ab 100644
--- a/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
+++ b/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
@@ -659,6 +659,154 @@ mlir::LogicalResult VariableAssignBufferization::matchAndRewrite(
return mlir::success();
}
+using GenBodyFn =
+ std::function<mlir::Value(fir::FirOpBuilder &, mlir::Location, mlir::Value,
+ const llvm::SmallVectorImpl<mlir::Value> &)>;
+static mlir::Value generateReductionLoop(fir::FirOpBuilder &builder,
+ mlir::Location loc, mlir::Value init,
+ mlir::Value shape, GenBodyFn genBody) {
+ auto extents = hlfir::getIndexExtents(loc, builder, shape);
+ mlir::Value reduction = init;
+ mlir::IndexType idxTy = builder.getIndexType();
+ mlir::Value oneIdx = builder.createIntegerConstant(loc, idxTy, 1);
+
+ // Create a reduction loop nest. We use one-based indices so that they can be
+ // passed to the elemental.
+ llvm::SmallVector<mlir::Value> indices;
+ for (unsigned i = 0; i < extents.size(); ++i) {
+ auto loop =
+ builder.create<fir::DoLoopOp>(loc, oneIdx, extents[i], oneIdx, false,
+ /*finalCountValue=*/false, reduction);
+ reduction = loop.getRegionIterArgs()[0];
+ indices.push_back(loop.getInductionVar());
+ // Set insertion point to the loop body so that the next loop
+ // is inserted inside the current one.
+ builder.setInsertionPointToStart(loop.getBody());
+ }
+
+ // Generate the body
+ reduction = genBody(builder, loc, reduction, indices);
+
+ // Unwind the loop nest.
+ for (unsigned i = 0; i < extents.size(); ++i) {
+ auto result = builder.create<fir::ResultOp>(loc, reduction);
+ auto loop = mlir::cast<fir::DoLoopOp>(result->getParentOp());
+ reduction = loop.getResult(0);
+ // Set insertion point after the loop operation that we have
+ // just processed.
+ builder.setInsertionPointAfter(loop.getOperation());
+ }
+
+ return reduction;
+}
+
+/// Given a reduction operation with an elemental mask, attempt to generate a
+/// do-loop to perform the operation inline.
+/// %e = hlfir.elemental %shape unordered
+/// %r = hlfir.count %e
+/// =>
+/// %r = for.do_loop %arg = 1 to bound(%shape) step 1 iter_args(%arg2 = init) {
+/// <inline elemental>
+/// <reduce count>
+/// }
+template <typename Op>
+class ReductionElementalConversion : public mlir::OpRewritePattern<Op> {
+public:
+ using mlir::OpRewritePattern<Op>::OpRewritePattern;
+
+ mlir::LogicalResult
+ matchAndRewrite(Op op, mlir::PatternRewriter &rewriter) const override {
+ mlir::Location loc = op.getLoc();
+ hlfir::ElementalOp elemental =
+ op.getMask().template getDefiningOp<hlfir::ElementalOp>();
+ if (!elemental || op.getDim())
+ return rewriter.notifyMatchFailure(op, "Did not find valid elemental");
+
+ fir::KindMapping kindMap =
+ fir::getKindMapping(op->template getParentOfType<mlir::ModuleOp>());
+ fir::FirOpBuilder builder{op, kindMap};
+
+ mlir::Value init;
+ GenBodyFn genBodyFn;
+ if constexpr (std::is_same_v<Op, hlfir::AnyOp>) {
+ init = builder.createIntegerConstant(loc, builder.getI1Type(), 0);
+ genBodyFn = [elemental](fir::FirOpBuilder builder, mlir::Location loc,
+ mlir::Value reduction,
+ const llvm::SmallVectorImpl<mlir::Value> &indices)
+ -> mlir::Value {
+ // Inline the elemental and get the condition from it.
+ auto yield = inlineElementalOp(loc, builder, elemental, indices);
+ mlir::Value cond = builder.create<fir::ConvertOp>(
+ loc, builder.getI1Type(), yield.getElementValue());
+ yield->erase();
+
+ // Conditionally set the reduction variable.
+ return builder.create<mlir::arith::OrIOp>(loc, reduction, cond);
+ };
+ } else if constexpr (std::is_same_v<Op, hlfir::AllOp>) {
+ init = builder.createIntegerConstant(loc, builder.getI1Type(), 1);
+ genBodyFn = [elemental](fir::FirOpBuilder builder, mlir::Location loc,
+ mlir::Value reduction,
+ const llvm::SmallVectorImpl<mlir::Value> &indices)
+ -> mlir::Value {
+ // Inline the elemental and get the condition from it.
+ auto yield = inlineElementalOp(loc, builder, elemental, indices);
+ mlir::Value cond = builder.create<fir::ConvertOp>(
+ loc, builder.getI1Type(), yield.getElementValue());
+ yield->erase();
+
+ // Conditionally set the reduction variable.
+ return builder.create<mlir::arith::AndIOp>(loc, reduction, cond);
+ };
+ } else if constexpr (std::is_same_v<Op, hlfir::CountOp>) {
+ init = builder.createIntegerConstant(loc, op.getType(), 0);
+ genBodyFn = [elemental](fir::FirOpBuilder builder, mlir::Location loc,
+ mlir::Value reduction,
+ const llvm::SmallVectorImpl<mlir::Value> &indices)
+ -> mlir::Value {
+ // Inline the elemental and get the condition from it.
+ auto yield = inlineElementalOp(loc, builder, elemental, indices);
+ mlir::Value cond = builder.create<fir::ConvertOp>(
+ loc, builder.getI1Type(), yield.getElementValue());
+ yield->erase();
+
+ // Conditionally add one to the current value
+ mlir::Value one =
+ builder.createIntegerConstant(loc, reduction.getType(), 1);
+ mlir::Value add1 =
+ builder.create<mlir::arith::AddIOp>(loc, reduction, one);
+ return builder.create<mlir::arith::SelectOp>(loc, cond, add1,
+ reduction);
+ };
+ } else {
+ static_assert("Expected Op to be handled");
+ return mlir::failure();
+ }
+
+ mlir::Value res = generateReductionLoop(builder, loc, init,
+ elemental.getOperand(0), genBodyFn);
+ if (res.getType() != op.getType())
+ res = builder.create<fir::ConvertOp>(loc, op.getType(), res);
+
+ // Check if the op was the only user of the elemental (apart from a
+ // destroy), and remove it if so.
+ mlir::Operation::user_range elemUsers = elemental->getUsers();
+ hlfir::DestroyOp elemDestroy;
+ if (std::distance(elemUsers.begin(), elemUsers.end()) == 2) {
+ elemDestroy = mlir::dyn_cast<hlfir::DestroyOp>(*elemUsers.begin());
+ if (!elemDestroy)
+ elemDestroy = mlir::dyn_cast<hlfir::DestroyOp>(*++elemUsers.begin());
+ }
+
+ rewriter.replaceOp(op, res);
+ if (elemDestroy) {
+ rewriter.eraseOp(elemDestroy);
+ rewriter.eraseOp(elemental);
+ }
+ return mlir::success();
+ }
+};
+
class OptimizedBufferizationPass
: public hlfir::impl::OptimizedBufferizationBase<
OptimizedBufferizationPass> {
@@ -681,6 +829,9 @@ class OptimizedBufferizationPass
patterns.insert<ElementalAssignBufferization>(context);
patterns.insert<BroadcastAssignBufferization>(context);
patterns.insert<VariableAssignBufferization>(context);
+ patterns.insert<ReductionElementalConversion<hlfir::CountOp>>(context);
+ patterns.insert<ReductionElementalConversion<hlfir::AnyOp>>(context);
+ patterns.insert<ReductionElementalConversion<hlfir::AllOp>>(context);
if (mlir::failed(mlir::applyPatternsAndFoldGreedily(
func, std::move(patterns), config))) {
diff --git a/flang/test/HLFIR/all-elemental.fir b/flang/test/HLFIR/all-elemental.fir
new file mode 100644
index 00000000000000..1ba8bb1b7a5fb4
--- /dev/null
+++ b/flang/test/HLFIR/all-elemental.fir
@@ -0,0 +1,91 @@
+// RUN: fir-opt %s -opt-bufferization | FileCheck %s
+
+func.func @_QFPtest(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.logical<4> {
+ %c1 = arith.constant 1 : index
+ %c4 = arith.constant 4 : index
+ %c7 = arith.constant 7 : index
+ %0 = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+ %1:2 = hlfir.declare %arg0(%0) {uniq_name = "_QFFtestEb"} : (!fir.ref<!fir.array<4x7xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<4x7xi32>>, !fir.ref<!fir.array<4x7xi32>>)
+ %2:2 = hlfir.declare %arg1 {uniq_name = "_QFFtestErow"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %3 = fir.alloca !fir.logical<4> {bindc_name = "test", uniq_name = "_QFFtestEtest"}
+ %4:2 = hlfir.declare %3 {uniq_name = "_QFFtestEtest"} : (!fir.ref<!fir.logical<4>>) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)
+ %5:2 = hlfir.declare %arg2 {uniq_name = "_QFFtestEval"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %6 = fir.load %2#0 : !fir.ref<i32>
+ %7 = fir.convert %6 : (i32) -> i64
+ %8 = fir.shape %c7 : (index) -> !fir.shape<1>
+ %9 = hlfir.designate %1#0 (%7, %c1:%c7:%c1) shape %8 : (!fir.ref<!fir.array<4x7xi32>>, i64, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<7xi32>>
+ %10 = fir.load %5#0 : !fir.ref<i32>
+ %11 = hlfir.elemental %8 unordered : (!fir.shape<1>) -> !hlfir.expr<7x!fir.logical<4>> {
+ ^bb0(%arg3: index):
+ %14 = hlfir.designate %9 (%arg3) : (!fir.box<!fir.array<7xi32>>, index) -> !fir.ref<i32>
+ %15 = fir.load %14 : !fir.ref<i32>
+ %16 = arith.cmpi sge, %15, %10 : i32
+ %17 = fir.convert %16 : (i1) -> !fir.logical<4>
+ hlfir.yield_element %17 : !fir.logical<4>
+ }
+ %12 = hlfir.all %11 : (!hlfir.expr<7x!fir.logical<4>>) -> !fir.logical<4>
+ hlfir.assign %12 to %4#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>>
+ hlfir.destroy %11 : !hlfir.expr<7x!fir.logical<4>>
+ %13 = fir.load %4#1 : !fir.ref<!fir.logical<4>>
+ return %13 : !fir.logical<4>
+}
+// CHECK-LABEL: func.func @_QFPtest(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.logical<4> {
+// CHECK-NEXT: %true = arith.constant true
+// CHECK-NEXT: %c1 = arith.constant 1 : index
+// CHECK-NEXT: %c4 = arith.constant 4 : index
+// CHECK-NEXT: %c7 = arith.constant 7 : index
+// CHECK-NEXT: %[[V0:.*]] = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+// CHECK-NEXT: %[[V1:.*]]:2 = hlfir.declare %arg0(%[[V0]])
+// CHECK-NEXT: %[[V2:.*]]:2 = hlfir.declare %arg1
+// CHECK-NEXT: %[[V3:.*]] = fir.alloca !fir.logical<4>
+// CHECK-NEXT: %[[V4:.*]]:2 = hlfir.declare %[[V3]]
+// CHECK-NEXT: %[[V5:.*]]:2 = hlfir.declare %arg2
+// CHECK-NEXT: %[[V6:.*]] = fir.load %[[V2]]#0 : !fir.ref<i32>
+// CHECK-NEXT: %[[V7:.*]] = fir.convert %[[V6]] : (i32) -> i64
+// CHECK-NEXT: %[[V8:.*]] = fir.shape %c7 : (index) -> !fir.shape<1>
+// CHECK-NEXT: %[[V9:.*]] = hlfir.designate %[[V1]]#0 (%[[V7]], %c1:%c7:%c1) shape %[[V8]] : (!fir.ref<!fir.array<4x7xi32>>, i64, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<7xi32>>
+// CHECK-NEXT: %[[V10:.*]] = fir.load %[[V5]]#0 : !fir.ref<i32>
+// CHECK-NEXT: %[[V11:.*]] = fir.do_loop %arg3 = %c1 to %c7 step %c1 iter_args(%arg4 = %true) -> (i1) {
+// CHECK-NEXT: %[[V14:.*]] = hlfir.designate %[[V9]] (%arg3) : (!fir.box<!fir.array<7xi32>>, index) -> !fir.ref<i32>
+// CHECK-NEXT: %[[V15:.*]] = fir.load %[[V14]] : !fir.ref<i32>
+// CHECK-NEXT: %[[V16:.*]] = arith.cmpi sge, %[[V15]], %[[V10]] : i32
+// CHECK-NEXT: %[[V17:.*]] = arith.andi %arg4, %[[V16]] : i1
+// CHECK-NEXT: fir.result %[[V17]] : i1
+// CHECK-NEXT: }
+// CHECK-NEXT: %[[V12:.*]] = fir.convert %[[V11]] : (i1) -> !fir.logical<4>
+// CHECK-NEXT: hlfir.assign %[[V12]] to %[[V4]]#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>>
+// CHECK-NEXT: %[[V13:.*]] = fir.load %[[V4]]#1 : !fir.ref<!fir.logical<4>>
+// CHECK-NEXT: return %[[V13]] : !fir.logical<4>
+
+
+func.func @_QFPtest_dim(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.array<4x!fir.logical<4>> {
+ %c2_i32 = arith.constant 2 : i32
+ %c1 = arith.constant 1 : index
+ %c4 = arith.constant 4 : index
+ %c7 = arith.constant 7 : index
+ %0 = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+ %1:2 = hlfir.declare %arg0(%0) {uniq_name = "_QFFtestEb"} : (!fir.ref<!fir.array<4x7xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<4x7xi32>>, !fir.ref<!fir.array<4x7xi32>>)
+ %2:2 = hlfir.declare %arg1 {uniq_name = "_QFFtestErow"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %3 = fir.alloca !fir.array<4x!fir.logical<4>> {bindc_name = "test", uniq_name = "_QFFtestEtest"}
+ %4 = fir.shape %c4 : (index) -> !fir.shape<1>
+ %5:2 = hlfir.declare %3(%4) {uniq_name = "_QFFtestEtest"} : (!fir.ref<!fir.array<4x!fir.logical<4>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<4x!fir.logical<4>>>, !fir.ref<!fir.array<4x!fir.logical<4>>>)
+ %6:2 = hlfir.declare %arg2 {uniq_name = "_QFFtestEval"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %7 = hlfir.designate %1#0 (%c1:%c4:%c1, %c1:%c7:%c1) shape %0 : (!fir.ref<!fir.array<4x7xi32>>, index, index, index, index, index, index, !fir.shape<2>) -> !fir.ref<!fir.array<4x7xi32>>
+ %8 = fir.load %6#0 : !fir.ref<i32>
+ %9 = hlfir.elemental %0 unordered : (!fir.shape<2>) -> !hlfir.expr<4x7x!fir.logical<4>> {
+ ^bb0(%arg3: index, %arg4: index):
+ %12 = hlfir.designate %7 (%arg3, %arg4) : (!fir.ref<!fir.array<4x7xi32>>, index, index) -> !fir.ref<i32>
+ %13 = fir.load %12 : !fir.ref<i32>
+ %14 = arith.cmpi sge, %13, %8 : i32
+ %15 = fir.convert %14 : (i1) -> !fir.logical<4>
+ hlfir.yield_element %15 : !fir.logical<4>
+ }
+ %10 = hlfir.all %9 dim %c2_i32 : (!hlfir.expr<4x7x!fir.logical<4>>, i32) -> !hlfir.expr<4x!fir.logical<4>>
+ hlfir.assign %10 to %5#0 : !hlfir.expr<4x!fir.logical<4>>, !fir.ref<!fir.array<4x!fir.logical<4>>>
+ hlfir.destroy %10 : !hlfir.expr<4x!fir.logical<4>>
+ hlfir.destroy %9 : !hlfir.expr<4x7x!fir.logical<4>>
+ %11 = fir.load %5#1 : !fir.ref<!fir.array<4x!fir.logical<4>>>
+ return %11 : !fir.array<4x!fir.logical<4>>
+}
+// CHECK-LABEL: func.func @_QFPtest_dim(
+// CHECK: %10 = hlfir.all %9 dim %c2_i32
\ No newline at end of file
diff --git a/flang/test/HLFIR/any-elemental.fir b/flang/test/HLFIR/any-elemental.fir
new file mode 100644
index 00000000000000..6e233068d2e9b5
--- /dev/null
+++ b/flang/test/HLFIR/any-elemental.fir
@@ -0,0 +1,190 @@
+// RUN: fir-opt %s -opt-bufferization | FileCheck %s
+
+func.func @_QFPtest(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.logical<4> {
+ %c1 = arith.constant 1 : index
+ %c4 = arith.constant 4 : index
+ %c7 = arith.constant 7 : index
+ %0 = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+ %1:2 = hlfir.declare %arg0(%0) {uniq_name = "_QFFtestEb"} : (!fir.ref<!fir.array<4x7xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<4x7xi32>>, !fir.ref<!fir.array<4x7xi32>>)
+ %2:2 = hlfir.declare %arg1 {uniq_name = "_QFFtestErow"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %3 = fir.alloca !fir.logical<4> {bindc_name = "test", uniq_name = "_QFFtestEtest"}
+ %4:2 = hlfir.declare %3 {uniq_name = "_QFFtestEtest"} : (!fir.ref<!fir.logical<4>>) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)
+ %5:2 = hlfir.declare %arg2 {uniq_name = "_QFFtestEval"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %6 = fir.load %2#0 : !fir.ref<i32>
+ %7 = fir.convert %6 : (i32) -> i64
+ %8 = fir.shape %c7 : (index) -> !fir.shape<1>
+ %9 = hlfir.designate %1#0 (%7, %c1:%c7:%c1) shape %8 : (!fir.ref<!fir.array<4x7xi32>>, i64, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<7xi32>>
+ %10 = fir.load %5#0 : !fir.ref<i32>
+ %11 = hlfir.elemental %8 unordered : (!fir.shape<1>) -> !hlfir.expr<7x!fir.logical<4>> {
+ ^bb0(%arg3: index):
+ %14 = hlfir.designate %9 (%arg3) : (!fir.box<!fir.array<7xi32>>, index) -> !fir.ref<i32>
+ %15 = fir.load %14 : !fir.ref<i32>
+ %16 = arith.cmpi sge, %15, %10 : i32
+ %17 = fir.convert %16 : (i1) -> !fir.logical<4>
+ hlfir.yield_element %17 : !fir.logical<4>
+ }
+ %12 = hlfir.any %11 : (!hlfir.expr<7x!fir.logical<4>>) -> !fir.logical<4>
+ hlfir.assign %12 to %4#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>>
+ hlfir.destroy %11 : !hlfir.expr<7x!fir.logical<4>>
+ %13 = fir.load %4#1 : !fir.ref<!fir.logical<4>>
+ return %13 : !fir.logical<4>
+}
+// CHECK-LABEL: func.func @_QFPtest(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.logical<4> {
+// CHECK-NEXT: %false = arith.constant false
+// CHECK-NEXT: %c1 = arith.constant 1 : index
+// CHECK-NEXT: %c4 = arith.constant 4 : index
+// CHECK-NEXT: %c7 = arith.constant 7 : index
+// CHECK-NEXT: %[[V0:.*]] = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+// CHECK-NEXT: %[[V1:.*]]:2 = hlfir.declare %arg0(%[[V0]])
+// CHECK-NEXT: %[[V2:.*]]:2 = hlfir.declare %arg1
+// CHECK-NEXT: %[[V3:.*]] = fir.alloca !fir.logical<4>
+// CHECK-NEXT: %[[V4:.*]]:2 = hlfir.declare %[[V3]]
+// CHECK-NEXT: %[[V5:.*]]:2 = hlfir.declare %arg2
+// CHECK-NEXT: %[[V6:.*]] = fir.load %[[V2]]#0 : !fir.ref<i32>
+// CHECK-NEXT: %[[V7:.*]] = fir.convert %[[V6]] : (i32) -> i64
+// CHECK-NEXT: %[[V8:.*]] = fir.shape %c7 : (index) -> !fir.shape<1>
+// CHECK-NEXT: %[[V9:.*]] = hlfir.designate %[[V1]]#0 (%[[V7]], %c1:%c7:%c1) shape %[[V8]] : (!fir.ref<!fir.array<4x7xi32>>, i64, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<7xi32>>
+// CHECK-NEXT: %[[V10:.*]] = fir.load %[[V5]]#0 : !fir.ref<i32>
+// CHECK-NEXT: %[[V11:.*]] = fir.do_loop %arg3 = %c1 to %c7 step %c1 iter_args(%arg4 = %false) -> (i1) {
+// CHECK-NEXT: %[[V14:.*]] = hlfir.designate %[[V9]] (%arg3) : (!fir.box<!fir.array<7xi32>>, index) -> !fir.ref<i32>
+// CHECK-NEXT: %[[V15:.*]] = fir.load %[[V14]] : !fir.ref<i32>
+// CHECK-NEXT: %[[V16:.*]] = arith.cmpi sge, %[[V15]], %[[V10]] : i32
+// CHECK-NEXT: %[[V17:.*]] = arith.ori %arg4, %[[V16]] : i1
+// CHECK-NEXT: fir.result %[[V17]] : i1
+// CHECK-NEXT: }
+// CHECK-NEXT: %[[V12:.*]] = fir.convert %[[V11]] : (i1) -> !fir.logical<4>
+// CHECK-NEXT: hlfir.assign %[[V12]] to %[[V4]]#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>>
+// CHECK-NEXT: %[[V13:.*]] = fir.load %[[V4]]#1 : !fir.ref<!fir.logical<4>>
+// CHECK-NEXT: return %[[V13]] : !fir.logical<4>
+
+
+func.func @_QFPtest_dim(%arg0: !fir.ref<!fir.array<4x7xi32>> {fir.bindc_name = "b"}, %arg1: !fir.ref<i32> {fir.bindc_name = "row"}, %arg2: !fir.ref<i32> {fir.bindc_name = "val"}) -> !fir.array<4x!fir.logical<4>> {
+ %c2_i32 = arith.constant 2 : i32
+ %c1 = arith.constant 1 : index
+ %c4 = arith.constant 4 : index
+ %c7 = arith.constant 7 : index
+ %0 = fir.shape %c4, %c7 : (index, index) -> !fir.shape<2>
+ %1:2 = hlfir.declare %arg0(%0) {uniq_name = "_QFFtestEb"} : (!fir.ref<!fir.array<4x7xi32>>, !fir.shape<2>) -> (!fir.ref<!fir.array<4x7xi32>>, !fir.ref<!fir.array<4x7xi32>>)
+ %2:2 = hlfir.declare %arg1 {uniq_name = "_QFFtestErow"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %3 = fir.alloca !fir.array<4x!fir.logical<4>> {bindc_name = "test", uniq_name = "_QFFtestEtest"}
+ %4 = fir.shape %c4 : (index) -> !fir.shape<1>
+ %5:2 = hlfir.declare %3(%4) {uniq_name = "_QFFtestEtest"} : (!fir.ref<!fir.array<4x!fir.logical<4>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<4x!fir.logical<4>>>, !fir.ref<!fir.array<4x!fir.logical<4>>>)
+ %6:2 = hlfir.declare %arg2 {uniq_name = "_QFFtestEval"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+ %7 = hlfir.designate %1#0 (%c1:%c4:%c1, %c1:%c7:%c1) shape %0 : (!fir.ref<!fir.array<4x7xi32>>, index, index, index, index, index, index, !fir.shape<2>) -> !fir.ref<!fir.array<4x7xi32>>
+ %8 = fir.load %6#0 : !fir.ref<i32>
+ %9 = hlfir.elemental %0 unordered : (!fir.shape<2>) -> !hlfir.expr<4x7x!fir.logical<4>> {
+ ^bb0(%arg3: index, %arg4: index):
+ %12 = hlfir.designate %7 (%arg3, %arg4) : (!fir.ref<!fir.array<4x7xi32>>, index, index) -> !fir.ref<i3...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/75776
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