1! RUN: bbc -emit-hlfir -fopenmp --force-byref-reduction -o - %s 2>&1 | FileCheck %s 2! RUN: %flang_fc1 -emit-hlfir -fopenmp -mmlir --force-byref-reduction -o - %s 2>&1 | FileCheck %s 3 4! NOTE: Assertions have been autogenerated by utils/generate-test-checks.py 5 6!CHECK-LABEL: omp.declare_reduction @min_byref_f32 : !fir.ref<f32> 7!CHECK-SAME: alloc { 8!CHECK: %[[REF:.*]] = fir.alloca f32 9!CHECK: omp.yield(%[[REF]] : !fir.ref<f32>) 10!CHECK-LABEL: } init { 11!CHECK: %[[MAXIMUM_VAL:.*]] = arith.constant 3.40282347E+38 : f32 12!CHECK: fir.store %[[MAXIMUM_VAL]] to %[[ALLOC:.*]] : !fir.ref<f32> 13!CHECK: omp.yield(%[[ALLOC]] : !fir.ref<f32>) 14!CHECK: combiner 15!CHECK: ^bb0(%[[ARG0:.*]]: !fir.ref<f32>, %[[ARG1:.*]]: !fir.ref<f32>): 16!CHECK: %[[LD0:.*]] = fir.load %[[ARG0]] : !fir.ref<f32> 17!CHECK: %[[LD1:.*]] = fir.load %[[ARG1]] : !fir.ref<f32> 18!CHECK: %[[RES:.*]] = arith.minnumf %[[LD0]], %[[LD1]] {{.*}}: f32 19!CHECK: fir.store %[[RES]] to %[[ARG0]] : !fir.ref<f32> 20!CHECK: omp.yield(%[[ARG0]] : !fir.ref<f32>) 21 22!CHECK-LABEL: omp.declare_reduction @min_byref_i32 : !fir.ref<i32> 23!CHECK-SAME: alloc { 24!CHECK: %[[REF:.*]] = fir.alloca i32 25!CHECK: omp.yield(%[[REF]] : !fir.ref<i32>) 26!CHECK-LABEL: } init { 27!CHECK: %[[MAXIMUM_VAL:.*]] = arith.constant 2147483647 : i32 28!CHECK: fir.store %[[MAXIMUM_VAL]] to %[[ALLOC:.*]] : !fir.ref<i32> 29!CHECK: omp.yield(%[[ALLOC]] : !fir.ref<i32>) 30!CHECK: combiner 31!CHECK: ^bb0(%[[ARG0:.*]]: !fir.ref<i32>, %[[ARG1:.*]]: !fir.ref<i32>): 32!CHECK: %[[LD0:.*]] = fir.load %[[ARG0]] : !fir.ref<i32> 33!CHECK: %[[LD1:.*]] = fir.load %[[ARG1]] : !fir.ref<i32> 34!CHECK: %[[RES:.*]] = arith.minsi %[[LD0]], %[[LD1]] : i32 35!CHECK: fir.store %[[RES]] to %[[ARG0]] : !fir.ref<i32> 36!CHECK: omp.yield(%[[ARG0]] : !fir.ref<i32>) 37 38! CHECK-LABEL: func.func @_QPreduction_min_int( 39! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "y"}) { 40! CHECK: %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFreduction_min_intEi"} 41! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFreduction_min_intEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 42! CHECK: %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFreduction_min_intEx"} 43! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFreduction_min_intEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 44! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFreduction_min_intEy"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) 45! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i32 46! CHECK: hlfir.assign %[[VAL_6]] to %[[VAL_4]]#0 : i32, !fir.ref<i32> 47! CHECK: omp.parallel { 48! CHECK: %[[VAL_7:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 49! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = "_QFreduction_min_intEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 50! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32 51! CHECK: %[[VAL_10:.*]] = arith.constant 100 : i32 52! CHECK: %[[VAL_11:.*]] = arith.constant 1 : i32 53! CHECK: omp.wsloop reduction(byref @min_byref_i32 %[[VAL_4]]#0 -> %[[VAL_12:.*]] : !fir.ref<i32>) { 54! CHECK-NEXT: omp.loop_nest (%[[VAL_13:.*]]) : i32 = (%[[VAL_9]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) { 55! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFreduction_min_intEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 56! CHECK: fir.store %[[VAL_13]] to %[[VAL_8]]#1 : !fir.ref<i32> 57! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_8]]#0 : !fir.ref<i32> 58! CHECK: %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64 59! CHECK: %[[VAL_17:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_16]]) : (!fir.box<!fir.array<?xi32>>, i64) -> !fir.ref<i32> 60! CHECK: %[[VAL_18:.*]] = fir.load %[[VAL_14]]#0 : !fir.ref<i32> 61! CHECK: %[[VAL_19:.*]] = fir.load %[[VAL_17]] : !fir.ref<i32> 62! CHECK: %[[VAL_20:.*]] = arith.cmpi slt, %[[VAL_18]], %[[VAL_19]] : i32 63! CHECK: %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_18]], %[[VAL_19]] : i32 64! CHECK: hlfir.assign %[[VAL_21]] to %[[VAL_14]]#0 : i32, !fir.ref<i32> 65! CHECK: omp.yield 66! CHECK: omp.terminator 67 68! CHECK-LABEL: func.func @_QPreduction_min_real( 69! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "y"}) { 70! CHECK: %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFreduction_min_realEi"} 71! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFreduction_min_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 72! CHECK: %[[VAL_3:.*]] = fir.alloca f32 {bindc_name = "x", uniq_name = "_QFreduction_min_realEx"} 73! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFreduction_min_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 74! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFreduction_min_realEy"} : (!fir.box<!fir.array<?xf32>>, !fir.dscope) -> (!fir.box<!fir.array<?xf32>>, !fir.box<!fir.array<?xf32>>) 75! CHECK: %[[VAL_6:.*]] = arith.constant 0.000000e+00 : f32 76! CHECK: hlfir.assign %[[VAL_6]] to %[[VAL_4]]#0 : f32, !fir.ref<f32> 77! CHECK: omp.parallel { 78! CHECK: %[[VAL_7:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 79! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = "_QFreduction_min_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 80! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32 81! CHECK: %[[VAL_10:.*]] = arith.constant 100 : i32 82! CHECK: %[[VAL_11:.*]] = arith.constant 1 : i32 83! CHECK: omp.wsloop reduction(byref @min_byref_f32 %[[VAL_4]]#0 -> %[[VAL_12:.*]] : !fir.ref<f32>) { 84! CHECK-NEXT: omp.loop_nest (%[[VAL_13:.*]]) : i32 = (%[[VAL_9]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) { 85! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFreduction_min_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 86! CHECK: fir.store %[[VAL_13]] to %[[VAL_8]]#1 : !fir.ref<i32> 87! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_8]]#0 : !fir.ref<i32> 88! CHECK: %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64 89! CHECK: %[[VAL_17:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_16]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 90! CHECK: %[[VAL_18:.*]] = fir.load %[[VAL_17]] : !fir.ref<f32> 91! CHECK: %[[VAL_19:.*]] = fir.load %[[VAL_14]]#0 : !fir.ref<f32> 92! CHECK: %[[VAL_20:.*]] = arith.cmpf olt, %[[VAL_18]], %[[VAL_19]] fastmath<contract> : f32 93! CHECK: %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_18]], %[[VAL_19]] : f32 94! CHECK: hlfir.assign %[[VAL_21]] to %[[VAL_14]]#0 : f32, !fir.ref<f32> 95! CHECK: omp.yield 96! CHECK: } 97! CHECK: omp.terminator 98! CHECK: } 99! CHECK: omp.parallel { 100! CHECK: %[[VAL_30:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 101! CHECK: %[[VAL_31:.*]]:2 = hlfir.declare %[[VAL_30]] {uniq_name = "_QFreduction_min_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 102! CHECK: %[[VAL_32:.*]] = arith.constant 1 : i32 103! CHECK: %[[VAL_33:.*]] = arith.constant 100 : i32 104! CHECK: %[[VAL_34:.*]] = arith.constant 1 : i32 105! CHECK: omp.wsloop reduction(byref @min_byref_f32 %[[VAL_4]]#0 -> %[[VAL_35:.*]] : !fir.ref<f32>) { 106! CHECK-NEXT: omp.loop_nest (%[[VAL_36:.*]]) : i32 = (%[[VAL_32]]) to (%[[VAL_33]]) inclusive step (%[[VAL_34]]) { 107! CHECK: %[[VAL_37:.*]]:2 = hlfir.declare %[[VAL_35]] {uniq_name = "_QFreduction_min_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 108! CHECK: fir.store %[[VAL_36]] to %[[VAL_31]]#1 : !fir.ref<i32> 109! CHECK: %[[VAL_38:.*]] = fir.load %[[VAL_31]]#0 : !fir.ref<i32> 110! CHECK: %[[VAL_39:.*]] = fir.convert %[[VAL_38]] : (i32) -> i64 111! CHECK: %[[VAL_40:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_39]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 112! CHECK: %[[VAL_41:.*]] = fir.load %[[VAL_40]] : !fir.ref<f32> 113! CHECK: %[[VAL_42:.*]] = fir.load %[[VAL_37]]#0 : !fir.ref<f32> 114! CHECK: %[[VAL_43:.*]] = arith.cmpf ogt, %[[VAL_41]], %[[VAL_42]] fastmath<contract> : f32 115! CHECK: fir.if %[[VAL_43]] { 116! CHECK: %[[VAL_44:.*]] = fir.load %[[VAL_31]]#0 : !fir.ref<i32> 117! CHECK: %[[VAL_45:.*]] = fir.convert %[[VAL_44]] : (i32) -> i64 118! CHECK: %[[VAL_46:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_45]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 119! CHECK: %[[VAL_47:.*]] = fir.load %[[VAL_46]] : !fir.ref<f32> 120! CHECK: hlfir.assign %[[VAL_47]] to %[[VAL_37]]#0 : f32, !fir.ref<f32> 121! CHECK: } 122! CHECK: omp.yield 123! CHECK: omp.terminator 124 125 126 127subroutine reduction_min_int(y) 128 integer :: x, y(:) 129 x = 0 130 !$omp parallel 131 !$omp do reduction(min:x) 132 do i=1, 100 133 x = min(x, y(i)) 134 end do 135 !$omp end do 136 !$omp end parallel 137 print *, x 138end subroutine 139 140subroutine reduction_min_real(y) 141 real :: x, y(:) 142 x = 0.0 143 !$omp parallel 144 !$omp do reduction(min:x) 145 do i=1, 100 146 x = min(y(i), x) 147 end do 148 !$omp end do 149 !$omp end parallel 150 print *, x 151 152 !$omp parallel 153 !$omp do reduction(min:x) 154 do i=1, 100 155 if (y(i) .gt. x) x = y(i) 156 end do 157 !$omp end do 158 !$omp end parallel 159 print *, x 160end subroutine 161