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 4! NOTE: Assertions have been autogenerated by utils/generate-test-checks.py 5 6! CHECK-LABEL: omp.declare_reduction @max_f32 : f32 init { 7! CHECK: ^bb0(%[[VAL_0:.*]]: f32): 8! CHECK: %[[VAL_1:.*]] = arith.constant -3.40282347E+38 : f32 9! CHECK: omp.yield(%[[VAL_1]] : f32) 10 11! CHECK-LABEL: } combiner { 12! CHECK: ^bb0(%[[VAL_0:.*]]: f32, %[[VAL_1:.*]]: f32): 13! CHECK: %[[VAL_2:.*]] = arith.maxnumf %[[VAL_0]], %[[VAL_1]] fastmath<contract> : f32 14! CHECK: omp.yield(%[[VAL_2]] : f32) 15! CHECK: } 16 17! CHECK-LABEL: omp.declare_reduction @max_i32 : i32 init { 18! CHECK: ^bb0(%[[VAL_0:.*]]: i32): 19! CHECK: %[[VAL_1:.*]] = arith.constant -2147483648 : i32 20! CHECK: omp.yield(%[[VAL_1]] : i32) 21 22! CHECK-LABEL: } combiner { 23! CHECK: ^bb0(%[[VAL_0:.*]]: i32, %[[VAL_1:.*]]: i32): 24! CHECK: %[[VAL_2:.*]] = arith.maxsi %[[VAL_0]], %[[VAL_1]] : i32 25! CHECK: omp.yield(%[[VAL_2]] : i32) 26! CHECK: } 27 28! CHECK-LABEL: func.func @_QPreduction_max_int( 29! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xi32>> {fir.bindc_name = "y"}) { 30! CHECK: %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFreduction_max_intEi"} 31! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFreduction_max_intEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 32! CHECK: %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFreduction_max_intEx"} 33! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFreduction_max_intEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 34! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFreduction_max_intEy"} : (!fir.box<!fir.array<?xi32>>, !fir.dscope) -> (!fir.box<!fir.array<?xi32>>, !fir.box<!fir.array<?xi32>>) 35! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i32 36! CHECK: hlfir.assign %[[VAL_6]] to %[[VAL_4]]#0 : i32, !fir.ref<i32> 37! CHECK: omp.parallel { 38! CHECK: %[[VAL_7:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 39! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = "_QFreduction_max_intEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 40! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32 41! CHECK: %[[VAL_10:.*]] = arith.constant 100 : i32 42! CHECK: %[[VAL_11:.*]] = arith.constant 1 : i32 43! CHECK: omp.wsloop reduction(@max_i32 %[[VAL_4]]#0 -> %[[VAL_12:.*]] : !fir.ref<i32>) { 44! CHECK-NEXT: omp.loop_nest (%[[VAL_13:.*]]) : i32 = (%[[VAL_9]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) { 45! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFreduction_max_intEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 46! CHECK: fir.store %[[VAL_13]] to %[[VAL_8]]#1 : !fir.ref<i32> 47! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_8]]#0 : !fir.ref<i32> 48! CHECK: %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64 49! CHECK: %[[VAL_17:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_16]]) : (!fir.box<!fir.array<?xi32>>, i64) -> !fir.ref<i32> 50! CHECK: %[[VAL_18:.*]] = fir.load %[[VAL_14]]#0 : !fir.ref<i32> 51! CHECK: %[[VAL_19:.*]] = fir.load %[[VAL_17]] : !fir.ref<i32> 52! CHECK: %[[VAL_20:.*]] = arith.cmpi sgt, %[[VAL_18]], %[[VAL_19]] : i32 53! CHECK: %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_18]], %[[VAL_19]] : i32 54! CHECK: hlfir.assign %[[VAL_21]] to %[[VAL_14]]#0 : i32, !fir.ref<i32> 55! CHECK: omp.yield 56! CHECK: omp.terminator 57 58! CHECK-LABEL: func.func @_QPreduction_max_real( 59! CHECK-SAME: %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "y"}) { 60! CHECK: %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFreduction_max_realEi"} 61! CHECK: %[[VAL_2:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFreduction_max_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 62! CHECK: %[[VAL_3:.*]] = fir.alloca f32 {bindc_name = "x", uniq_name = "_QFreduction_max_realEx"} 63! CHECK: %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFreduction_max_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 64! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFreduction_max_realEy"} : (!fir.box<!fir.array<?xf32>>, !fir.dscope) -> (!fir.box<!fir.array<?xf32>>, !fir.box<!fir.array<?xf32>>) 65! CHECK: %[[VAL_6:.*]] = arith.constant 0.000000e+00 : f32 66! CHECK: hlfir.assign %[[VAL_6]] to %[[VAL_4]]#0 : f32, !fir.ref<f32> 67! CHECK: omp.parallel { 68! CHECK: %[[VAL_7:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 69! CHECK: %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] {uniq_name = "_QFreduction_max_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 70! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32 71! CHECK: %[[VAL_10:.*]] = arith.constant 100 : i32 72! CHECK: %[[VAL_11:.*]] = arith.constant 1 : i32 73! CHECK: omp.wsloop reduction(@max_f32 %[[VAL_4]]#0 -> %[[VAL_12:.*]] : !fir.ref<f32>) { 74! CHECK-NEXT: omp.loop_nest (%[[VAL_13:.*]]) : i32 = (%[[VAL_9]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) { 75! CHECK: %[[VAL_14:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFreduction_max_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 76! CHECK: fir.store %[[VAL_13]] to %[[VAL_8]]#1 : !fir.ref<i32> 77! CHECK: %[[VAL_15:.*]] = fir.load %[[VAL_8]]#0 : !fir.ref<i32> 78! CHECK: %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> i64 79! CHECK: %[[VAL_17:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_16]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 80! CHECK: %[[VAL_18:.*]] = fir.load %[[VAL_17]] : !fir.ref<f32> 81! CHECK: %[[VAL_19:.*]] = fir.load %[[VAL_14]]#0 : !fir.ref<f32> 82! CHECK: %[[VAL_20:.*]] = arith.cmpf ogt, %[[VAL_18]], %[[VAL_19]] fastmath<contract> : f32 83! CHECK: %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_18]], %[[VAL_19]] : f32 84! CHECK: hlfir.assign %[[VAL_21]] to %[[VAL_14]]#0 : f32, !fir.ref<f32> 85! CHECK: omp.yield 86! CHECK: omp.terminator 87! CHECK: omp.parallel { 88! CHECK: %[[VAL_30:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 89! CHECK: %[[VAL_31:.*]]:2 = hlfir.declare %[[VAL_30]] {uniq_name = "_QFreduction_max_realEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 90! CHECK: %[[VAL_32:.*]] = arith.constant 1 : i32 91! CHECK: %[[VAL_33:.*]] = arith.constant 100 : i32 92! CHECK: %[[VAL_34:.*]] = arith.constant 1 : i32 93! CHECK: omp.wsloop reduction(@max_f32 %[[VAL_4]]#0 -> %[[VAL_35:.*]] : !fir.ref<f32>) { 94! CHECK-NEXT: omp.loop_nest (%[[VAL_36:.*]]) : i32 = (%[[VAL_32]]) to (%[[VAL_33]]) inclusive step (%[[VAL_34]]) { 95! CHECK: %[[VAL_37:.*]]:2 = hlfir.declare %[[VAL_35]] {uniq_name = "_QFreduction_max_realEx"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>) 96! CHECK: fir.store %[[VAL_36]] to %[[VAL_31]]#1 : !fir.ref<i32> 97! CHECK: %[[VAL_38:.*]] = fir.load %[[VAL_31]]#0 : !fir.ref<i32> 98! CHECK: %[[VAL_39:.*]] = fir.convert %[[VAL_38]] : (i32) -> i64 99! CHECK: %[[VAL_40:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_39]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 100! CHECK: %[[VAL_41:.*]] = fir.load %[[VAL_40]] : !fir.ref<f32> 101! CHECK: %[[VAL_42:.*]] = fir.load %[[VAL_37]]#0 : !fir.ref<f32> 102! CHECK: %[[VAL_43:.*]] = arith.cmpf ogt, %[[VAL_41]], %[[VAL_42]] fastmath<contract> : f32 103! CHECK: fir.if %[[VAL_43]] { 104! CHECK: %[[VAL_44:.*]] = fir.load %[[VAL_31]]#0 : !fir.ref<i32> 105! CHECK: %[[VAL_45:.*]] = fir.convert %[[VAL_44]] : (i32) -> i64 106! CHECK: %[[VAL_46:.*]] = hlfir.designate %[[VAL_5]]#0 (%[[VAL_45]]) : (!fir.box<!fir.array<?xf32>>, i64) -> !fir.ref<f32> 107! CHECK: %[[VAL_47:.*]] = fir.load %[[VAL_46]] : !fir.ref<f32> 108! CHECK: hlfir.assign %[[VAL_47]] to %[[VAL_37]]#0 : f32, !fir.ref<f32> 109! CHECK: } 110! CHECK: omp.yield 111! CHECK: omp.terminator 112 113 114 115subroutine reduction_max_int(y) 116 integer :: x, y(:) 117 x = 0 118 !$omp parallel 119 !$omp do reduction(max:x) 120 do i=1, 100 121 x = max(x, y(i)) 122 end do 123 !$omp end do 124 !$omp end parallel 125 print *, x 126end subroutine 127 128subroutine reduction_max_real(y) 129 real :: x, y(:) 130 x = 0.0 131 !$omp parallel 132 !$omp do reduction(max:x) 133 do i=1, 100 134 x = max(y(i), x) 135 end do 136 !$omp end do 137 !$omp end parallel 138 print *, x 139 140 !$omp parallel 141 !$omp do reduction(max:x) 142 do i=1, 100 143 if (y(i) .gt. x) x = y(i) 144 end do 145 !$omp end do 146 !$omp end parallel 147 print *, x 148end subroutine 149