[flang-commits] [flang] e22cb93 - [Flang] Any and All elemental lowering (#75776)

via flang-commits flang-commits at lists.llvm.org
Wed Jan 10 01:52:10 PST 2024


Author: David Green
Date: 2024-01-10T09:52:06Z
New Revision: e22cb93890c33e21534338e4f2ea5ce640c78b77

URL: https://github.com/llvm/llvm-project/commit/e22cb93890c33e21534338e4f2ea5ce640c78b77
DIFF: https://github.com/llvm/llvm-project/commit/e22cb93890c33e21534338e4f2ea5ce640c78b77.diff

LOG: [Flang] Any and All elemental lowering (#75776)

This is an extension of https://github.com/llvm/llvm-project/pull/75774,
with Any and All lowering added alongside Count.

Added: 
    flang/test/HLFIR/all-elemental.fir
    flang/test/HLFIR/any-elemental.fir

Modified: 
    flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp

Removed: 
    


################################################################################
diff  --git a/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp b/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
index 72aa86a934271e..a7bf2502153846 100644
--- a/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
+++ b/flang/lib/Optimizer/HLFIR/Transforms/OptimizedBufferization.cpp
@@ -729,7 +729,37 @@ class ReductionElementalConversion : public mlir::OpRewritePattern<Op> {
 
     mlir::Value init;
     GenBodyFn genBodyFn;
-    if constexpr (std::is_same_v<Op, hlfir::CountOp>) {
+    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,
@@ -800,6 +830,8 @@ class OptimizedBufferizationPass
     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<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.any %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: {{.*}} = hlfir.any {{.*}} dim %c2_i32
+
+
+func.func @_Qtest_recursive() attributes {fir.bindc_name = "test"} {
+  %c1 = arith.constant 1 : index
+  %true = arith.constant true
+  %false = arith.constant false
+  %c0_i64 = arith.constant 0 : i64
+  %c2_i32 = arith.constant 2 : i32
+  %c0 = arith.constant 0 : index
+  %c1_i32 = arith.constant 1 : i32
+  %0 = fir.address_of(@_QFEa) : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+  %1:2 = hlfir.declare %0 {fortran_attrs = #fir.var_attrs<allocatable>, uniq_name = "_QFEa"} : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>)
+  %2 = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFEi"}
+  %3:2 = hlfir.declare %2 {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+  %4 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFEn"}
+  %5:2 = hlfir.declare %4 {uniq_name = "_QFEn"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
+  %6 = fir.alloca !fir.array<1x!fir.logical<4>> {bindc_name = "ra", uniq_name = "_QFEra"}
+  %7 = fir.shape %c1 : (index) -> !fir.shape<1>
+  %8:2 = hlfir.declare %6(%7) {uniq_name = "_QFEra"} : (!fir.ref<!fir.array<1x!fir.logical<4>>>, !fir.shape<1>) -> (!fir.ref<!fir.array<1x!fir.logical<4>>>, !fir.ref<!fir.array<1x!fir.logical<4>>>)
+  %9 = fir.alloca !fir.logical<4> {bindc_name = "rs", uniq_name = "_QFErs"}
+  %10:2 = hlfir.declare %9 {uniq_name = "_QFErs"} : (!fir.ref<!fir.logical<4>>) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)
+  %11 = fir.allocmem !fir.array<?xi32>, %c1 {fir.must_be_heap = true, uniq_name = "_QFEa.alloc"}
+  %12 = fir.embox %11(%7) : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
+  fir.store %12 to %1#1 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+  hlfir.assign %c1_i32 to %5#0 : i32, !fir.ref<i32>
+  %13 = fir.load %1#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+  %14:3 = fir.box_dims %13, %c0 : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
+  fir.do_loop %arg0 = %c1 to %14#1 step %c1 unordered {
+    %27:3 = fir.box_dims %13, %c0 : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
+    %28 = arith.subi %27#0, %c1 : index
+    %29 = arith.addi %arg0, %28 : index
+    %30 = hlfir.designate %13 (%29)  : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> !fir.ref<i32>
+    hlfir.assign %c2_i32 to %30 : i32, !fir.ref<i32>
+  }
+  %15 = fir.load %5#0 : !fir.ref<i32>
+  %16 = fir.convert %15 : (i32) -> i64
+  %17 = arith.cmpi sgt, %16, %c0_i64 : i64
+  %18 = arith.select %17, %16, %c0_i64 : i64
+  %19 = fir.convert %18 : (i64) -> index
+  %20 = fir.shape %19 : (index) -> !fir.shape<1>
+  %21 = hlfir.elemental %20 unordered : (!fir.shape<1>) -> !hlfir.expr<?x!fir.logical<4>> {
+  ^bb0(%arg0: index):
+    %27 = fir.load %1#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+    %28:3 = fir.box_dims %27, %c0 : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
+    %29 = arith.addi %28#0, %28#1 : index
+    %30 = arith.subi %29, %c1 : index
+    %31 = arith.subi %30, %28#0 : index
+    %32 = arith.addi %31, %c1 : index
+    %33 = arith.cmpi sgt, %32, %c0 : index
+    %34 = arith.select %33, %32, %c0 : index
+    %35 = fir.shape %34 : (index) -> !fir.shape<1>
+    %36 = hlfir.designate %27 (%28#0:%30:%c1)  shape %35 : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<?xi32>>
+    %37 = hlfir.elemental %35 unordered : (!fir.shape<1>) -> !hlfir.expr<?x!fir.logical<4>> {
+    ^bb0(%arg1: index):
+      %39 = hlfir.designate %36 (%arg1)  : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32>
+      %40 = fir.load %39 : !fir.ref<i32>
+      %41 = arith.cmpi eq, %40, %c1_i32 : i32
+      %42 = fir.convert %41 : (i1) -> !fir.logical<4>
+      hlfir.yield_element %42 : !fir.logical<4>
+    }
+    %38 = hlfir.any %37 : (!hlfir.expr<?x!fir.logical<4>>) -> !fir.logical<4>
+    hlfir.destroy %37 : !hlfir.expr<?x!fir.logical<4>>
+    hlfir.yield_element %38 : !fir.logical<4>
+  }
+  %22 = hlfir.any %21 : (!hlfir.expr<?x!fir.logical<4>>) -> !fir.logical<4>
+  hlfir.assign %22 to %10#0 : !fir.logical<4>, !fir.ref<!fir.logical<4>>
+  hlfir.destroy %21 : !hlfir.expr<?x!fir.logical<4>>
+  %23 = fir.load %10#0 : !fir.ref<!fir.logical<4>>
+  %24 = fir.convert %23 : (!fir.logical<4>) -> i1
+  %25 = arith.xori %24, %true : i1
+  cf.cond_br %25, ^bb1, ^bb2
+^bb1:  // pred: ^bb0
+  %26 = fir.call @_FortranAStopStatement(%c2_i32, %false, %false) fastmath<contract> : (i32, i1, i1) -> none
+  fir.unreachable
+^bb2:  // pred: ^bb0
+  return
+}
+// CHECK-LABEL: func.func @_Qtest_recursive()
+// CHECK:    %[[V20:.*]] = fir.do_loop %arg0 = %c1 to %{{.*}} step %c1 iter_args(%arg1 = %false) -> (i1) {
+// CHECK:      %[[V26:.*]] = fir.load %[[V1]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+// CHECK:      %[[V27:.*]]:3 = fir.box_dims %[[V26]], %c0 : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
+// CHECK:      %[[V28:.*]] = arith.addi %[[V27]]#0, %[[V27]]#1 : index
+// CHECK:      %[[V29:.*]] = arith.subi %[[V28]], %c1 : index
+// CHECK:      %[[V30:.*]] = arith.subi %[[V29]], %[[V27]]#0 : index
+// CHECK:      %[[V31:.*]] = arith.addi %[[V30]], %c1 : index
+// CHECK:      %[[V32:.*]] = arith.cmpi sgt, %[[V31]], %c0 : index
+// CHECK:      %[[V33:.*]] = arith.select %[[V32]], %[[V31]], %c0 : index
+// CHECK:      %[[V34:.*]] = fir.shape %[[V33]] : (index) -> !fir.shape<1>
+// CHECK:      %[[V35:.*]] = hlfir.designate %[[V26]] (%[[V27]]#0:%[[V29]]:%c1)  shape %[[V34]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index, index, index, !fir.shape<1>) -> !fir.box<!fir.array<?xi32>>
+// CHECK:      %[[V36:.*]] = fir.do_loop %arg2 = %c1 to %[[V33]] step %c1 iter_args(%arg3 = %false) -> (i1) {
+// CHECK:        %[[V38:.*]] = hlfir.designate %[[V35]] (%arg2)  : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32>
+// CHECK:        %[[V39:.*]] = fir.load %[[V38]] : !fir.ref<i32>
+// CHECK:        %[[V40:.*]] = arith.cmpi eq, %[[V39]], %c1_i32 : i32
+// CHECK:        %[[V41:.*]] = arith.ori %arg3, %[[V40]] : i1
+// CHECK:        fir.result %[[V41]] : i1
+// CHECK:      }
+// CHECK:      %[[V37:.*]] = arith.ori %arg1, %[[V36]] : i1
+// CHECK:      fir.result %[[V37]] : i1
+// CHECK:    }


        


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