1! RUN: bbc -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s 2! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s 3 4subroutine max_array_reduction(l, r) 5 integer :: l(:), r(:) 6 7 !$omp parallel reduction(max:l) 8 l = max(l, r) 9 !$omp end parallel 10end subroutine 11 12! CHECK-LABEL: omp.declare_reduction @max_byref_box_Uxi32 : !fir.ref<!fir.box<!fir.array<?xi32>>> alloc { 13! CHECK: %[[VAL_3:.*]] = fir.alloca !fir.box<!fir.array<?xi32>> 14! CHECK: omp.yield(%[[VAL_3]] : !fir.ref<!fir.box<!fir.array<?xi32>>>) 15! CHECK-LABEL: } init { 16! CHECK: ^bb0(%[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.array<?xi32>>>, %[[ALLOC:.*]]: !fir.ref<!fir.box<!fir.array<?xi32>>>): 17! CHECK: %[[VAL_1:.*]] = arith.constant -2147483648 : i32 18! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 19! CHECK: %[[VAL_4:.*]] = arith.constant 0 : index 20! CHECK: %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_2]], %[[VAL_4]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) 21! CHECK: %[[VAL_6:.*]] = fir.shape %[[VAL_5]]#1 : (index) -> !fir.shape<1> 22! CHECK: %[[VAL_7:.*]] = fir.allocmem !fir.array<?xi32>, %[[VAL_5]]#1 {bindc_name = ".tmp", uniq_name = ""} 23! CHECK: %[[VAL_8:.*]] = arith.constant true 24! CHECK: %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_7]](%[[VAL_6]]) {uniq_name = ".tmp"} : (!fir.heap<!fir.array<?xi32>>, !fir.shape<1>) -> (!fir.box<!fir.array<?xi32>>, !fir.heap<!fir.array<?xi32>>) 25! CHECK: %[[VAL_10:.*]] = arith.constant 0 : index 26! CHECK: %[[VAL_11:.*]]:3 = fir.box_dims %[[VAL_2]], %[[VAL_10]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) 27! CHECK: %[[VAL_12:.*]] = fir.shape_shift %[[VAL_11]]#0, %[[VAL_11]]#1 : (index, index) -> !fir.shapeshift<1> 28! CHECK: %[[VAL_13:.*]] = fir.rebox %[[VAL_9]]#0(%[[VAL_12]]) : (!fir.box<!fir.array<?xi32>>, !fir.shapeshift<1>) -> !fir.box<!fir.array<?xi32>> 29! CHECK: hlfir.assign %[[VAL_1]] to %[[VAL_13]] : i32, !fir.box<!fir.array<?xi32>> 30! CHECK: fir.store %[[VAL_13]] to %[[ALLOC]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 31! CHECK: omp.yield(%[[ALLOC]] : !fir.ref<!fir.box<!fir.array<?xi32>>>) 32! CHECK-LABEL: } combiner { 33! CHECK: ^bb0(%[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.array<?xi32>>>, %[[VAL_1:.*]]: !fir.ref<!fir.box<!fir.array<?xi32>>>): 34! CHECK: %[[VAL_2:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 35! CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_1]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 36! CHECK: %[[VAL_4:.*]] = arith.constant 0 : index 37! CHECK: %[[VAL_5:.*]]:3 = fir.box_dims %[[VAL_2]], %[[VAL_4]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) 38! CHECK: %[[VAL_6:.*]] = fir.shape_shift %[[VAL_5]]#0, %[[VAL_5]]#1 : (index, index) -> !fir.shapeshift<1> 39! CHECK: %[[VAL_7:.*]] = arith.constant 1 : index 40! CHECK: fir.do_loop %[[VAL_8:.*]] = %[[VAL_7]] to %[[VAL_5]]#1 step %[[VAL_7]] unordered { 41! CHECK: %[[VAL_9:.*]] = fir.array_coor %[[VAL_2]](%[[VAL_6]]) %[[VAL_8]] : (!fir.box<!fir.array<?xi32>>, !fir.shapeshift<1>, index) -> !fir.ref<i32> 42! CHECK: %[[VAL_10:.*]] = fir.array_coor %[[VAL_3]](%[[VAL_6]]) %[[VAL_8]] : (!fir.box<!fir.array<?xi32>>, !fir.shapeshift<1>, index) -> !fir.ref<i32> 43! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_9]] : !fir.ref<i32> 44! CHECK: %[[VAL_12:.*]] = fir.load %[[VAL_10]] : !fir.ref<i32> 45! CHECK: %[[VAL_13:.*]] = arith.maxsi %[[VAL_11]], %[[VAL_12]] : i32 46! CHECK: fir.store %[[VAL_13]] to %[[VAL_9]] : !fir.ref<i32> 47! CHECK: } 48! CHECK: omp.yield(%[[VAL_0]] : !fir.ref<!fir.box<!fir.array<?xi32>>>) 49! CHECK-LABEL: } cleanup { 50! CHECK: ^bb0(%[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.array<?xi32>>>): 51! CHECK: %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 52! CHECK: %[[VAL_2:.*]] = fir.box_addr %[[VAL_1]] : (!fir.box<!fir.array<?xi32>>) -> !fir.ref<!fir.array<?xi32>> 53! CHECK: %[[VAL_3:.*]] = fir.convert %[[VAL_2]] : (!fir.ref<!fir.array<?xi32>>) -> i64 54! CHECK: %[[VAL_4:.*]] = arith.constant 0 : i64 55! CHECK: %[[VAL_5:.*]] = arith.cmpi ne, %[[VAL_3]], %[[VAL_4]] : i64 56! CHECK: fir.if %[[VAL_5]] { 57! CHECK: %[[VAL_6:.*]] = fir.convert %[[VAL_2]] : (!fir.ref<!fir.array<?xi32>>) -> !fir.heap<!fir.array<?xi32>> 58! CHECK: fir.freemem %[[VAL_6]] : !fir.heap<!fir.array<?xi32>> 59! CHECK: } 60! CHECK: omp.yield 61! CHECK: } 62 63! CHECK-LABEL: func.func @_QPmax_array_reduction( 64! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "l"}, 65! CHECK-SAME: %[[VAL_1:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "r"}) { 66! CHECK: %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope 67! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %[[VAL_2]] {uniq_name = "_QFmax_array_reductionEl"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) 68! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_1]] dummy_scope %[[VAL_2]] {uniq_name = "_QFmax_array_reductionEr"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) 69! CHECK: %[[VAL_5:.*]] = fir.alloca !fir.box<!fir.array<?xi32>> 70! CHECK: fir.store %[[VAL_3]]#1 to %[[VAL_5]] : !fir.ref<!fir.box<!fir.array<?xi32>>> 71! CHECK: omp.parallel reduction(byref @max_byref_box_Uxi32 %[[VAL_5]] -> %[[VAL_6:.*]] : !fir.ref<!fir.box<!fir.array<?xi32>>>) { 72! CHECK: %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_6]] {uniq_name = "_QFmax_array_reductionEl"} : (!fir.ref<!fir.box<!fir.array<?xi32>>>) -> (!fir.ref<!fir.box<!fir.array<?xi32>>>, !fir.ref<!fir.box<!fir.array<?xi32>>>) 73! CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<!fir.box<!fir.array<?xi32>>> 74! CHECK: %[[VAL_9:.*]] = arith.constant 0 : index 75! CHECK: %[[VAL_10:.*]]:3 = fir.box_dims %[[VAL_8]], %[[VAL_9]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) 76! CHECK: %[[VAL_11:.*]] = fir.shape %[[VAL_10]]#1 : (index) -> !fir.shape<1> 77! CHECK: %[[VAL_12:.*]] = hlfir.elemental %[[VAL_11]] unordered : (!fir.shape<1>) -> !hlfir.expr<?xi32> { 78! CHECK: ^bb0(%[[VAL_13:.*]]: index): 79! CHECK: %[[VAL_14:.*]] = arith.constant 0 : index 80! CHECK: %[[VAL_15:.*]]:3 = fir.box_dims %[[VAL_8]], %[[VAL_14]] : (!fir.box<!fir.array<?xi32>>, index) -> (index, index, index) 81! CHECK: %[[VAL_16:.*]] = arith.constant 1 : index 82! CHECK: %[[VAL_17:.*]] = arith.subi %[[VAL_15]]#0, %[[VAL_16]] : index 83! CHECK: %[[VAL_18:.*]] = arith.addi %[[VAL_13]], %[[VAL_17]] : index 84! CHECK: %[[VAL_19:.*]] = hlfir.designate %[[VAL_8]] (%[[VAL_18]]) : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32> 85! CHECK: %[[VAL_20:.*]] = fir.load %[[VAL_19]] : !fir.ref<i32> 86! CHECK: %[[VAL_21:.*]] = hlfir.designate %[[VAL_4]]#0 (%[[VAL_13]]) : (!fir.box<!fir.array<?xi32>>, index) -> !fir.ref<i32> 87! CHECK: %[[VAL_22:.*]] = fir.load %[[VAL_21]] : !fir.ref<i32> 88! CHECK: %[[VAL_23:.*]] = arith.cmpi sgt, %[[VAL_20]], %[[VAL_22]] : i32 89! CHECK: %[[VAL_24:.*]] = arith.select %[[VAL_23]], %[[VAL_20]], %[[VAL_22]] : i32 90! CHECK: hlfir.yield_element %[[VAL_24]] : i32 91! CHECK: } 92! CHECK: %[[VAL_25:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<!fir.box<!fir.array<?xi32>>> 93! CHECK: hlfir.assign %[[VAL_12]] to %[[VAL_25]] : !hlfir.expr<?xi32>, !fir.box<!fir.array<?xi32>> 94! CHECK: hlfir.destroy %[[VAL_12]] : !hlfir.expr<?xi32> 95! CHECK: omp.terminator 96! CHECK: } 97! CHECK: return 98! CHECK: } 99