| ! RUN: bbc -emit-hlfir -fopenmp %s -o - | FileCheck %s |
| ! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s |
| |
| ! NOTE: Assertions have been autogenerated by utils/generate-test-checks.py |
| |
| ! CHECK-LABEL: omp.declare_reduction @add_reduction_i32 : i32 init { |
| ! CHECK: ^bb0(%[[VAL_0:.*]]: i32): |
| ! CHECK: %[[VAL_1:.*]] = arith.constant 0 : i32 |
| ! CHECK: omp.yield(%[[VAL_1]] : i32) |
| |
| ! CHECK-LABEL: } combiner { |
| ! CHECK: ^bb0(%[[VAL_0:.*]]: i32, %[[VAL_1:.*]]: i32): |
| ! CHECK: %[[VAL_2:.*]] = arith.addi %[[VAL_0]], %[[VAL_1]] : i32 |
| ! CHECK: omp.yield(%[[VAL_2]] : i32) |
| ! CHECK: } |
| |
| ! CHECK-LABEL: func.func @_QPsimple_int_reduction() |
| ! CHECK: %[[VAL_0:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFsimple_int_reductionEi"} |
| ! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFsimple_int_reductionEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: %[[VAL_2:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFsimple_int_reductionEx"} |
| ! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFsimple_int_reductionEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: %[[VAL_4:.*]] = arith.constant 0 : i32 |
| ! CHECK: hlfir.assign %[[VAL_4]] to %[[VAL_3]]#0 : i32, !fir.ref<i32> |
| ! CHECK: omp.parallel { |
| ! CHECK: %[[VAL_5:.*]] = fir.alloca i32 {adapt.valuebyref, pinned} |
| ! CHECK: %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]] {uniq_name = "_QFsimple_int_reductionEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: %[[VAL_7:.*]] = arith.constant 1 : i32 |
| ! CHECK: %[[VAL_8:.*]] = arith.constant 100 : i32 |
| ! CHECK: %[[VAL_9:.*]] = arith.constant 1 : i32 |
| ! CHECK: omp.wsloop reduction(@add_reduction_i32 %[[VAL_3]]#0 -> %[[VAL_10:.*]] : !fir.ref<i32>) { |
| ! CHECK-NEXT: omp.loop_nest (%[[VAL_11:.*]]) : i32 = (%[[VAL_7]]) to (%[[VAL_8]]) inclusive step (%[[VAL_9]]) { |
| ! CHECK: %[[VAL_12:.*]]:2 = hlfir.declare %[[VAL_10]] {uniq_name = "_QFsimple_int_reductionEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: fir.store %[[VAL_11]] to %[[VAL_6]]#1 : !fir.ref<i32> |
| ! CHECK: %[[VAL_13:.*]] = fir.load %[[VAL_12]]#0 : !fir.ref<i32> |
| ! CHECK: %[[VAL_14:.*]] = fir.load %[[VAL_6]]#0 : !fir.ref<i32> |
| ! CHECK: %[[VAL_15:.*]] = arith.addi %[[VAL_13]], %[[VAL_14]] : i32 |
| ! CHECK: hlfir.assign %[[VAL_15]] to %[[VAL_12]]#0 : i32, !fir.ref<i32> |
| ! CHECK: omp.yield |
| ! CHECK: omp.terminator |
| ! CHECK: omp.terminator |
| ! CHECK: return |
| |
| |
| subroutine simple_int_reduction |
| integer :: x |
| x = 0 |
| !$omp parallel |
| !$omp do reduction(+:x) |
| do i=1, 100 |
| x = x + i |
| end do |
| !$omp end do |
| !$omp end parallel |
| end subroutine |