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TheRock/compiler/amd-llvm/flang/test/Lower/do_concurrent_reduce.f90
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derek.holloway 7502bf64a4
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42 lines
2.0 KiB
Fortran

! RUN: %flang_fc1 -emit-hlfir -mmlir --enable-delayed-privatization-staging=true -o - %s | FileCheck %s
subroutine do_concurrent_reduce
implicit none
integer :: s, i
do concurrent (i=1:10) reduce(+:s)
s = s + 1
end do
end
! CHECK-LABEL: fir.declare_reduction @add_reduction_i32 : i32 init {
! CHECK: ^bb0(%[[ARG0:.*]]: i32):
! CHECK: %[[VAL_0:.*]] = arith.constant 0 : i32
! CHECK: fir.yield(%[[VAL_0]] : i32)
! CHECK: } combiner {
! CHECK: ^bb0(%[[VAL_1:.*]]: i32, %[[VAL_2:.*]]: i32):
! CHECK: %[[VAL_3:.*]] = arith.addi %[[VAL_1]], %[[VAL_2]] : i32
! CHECK: fir.yield(%[[VAL_3]] : i32)
! CHECK: }
! CHECK-LABEL: func.func @_QPdo_concurrent_reduce() {
! CHECK: %[[S_ALLOC:.*]] = fir.alloca i32 {bindc_name = "s", uniq_name = "_QFdo_concurrent_reduceEs"}
! CHECK: %[[S_DECL:.*]]:2 = hlfir.declare %[[S_ALLOC]] {uniq_name = "_QFdo_concurrent_reduceEs"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: fir.do_concurrent {
! CHECK: %[[VAL_0:.*]] = fir.alloca i32 {bindc_name = "i"}
! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFdo_concurrent_reduceEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: fir.do_concurrent.loop (%{{.*}}) = (%{{.*}}) to (%{{.*}}) step (%{{[^[:space:]]+}})
! CHECK-SAME: reduce(@add_reduction_i32 #fir.reduce_attr<add> %[[S_DECL]]#0 -> %[[S_ARG:.*]] : !fir.ref<i32>) {
! CHECK: %[[S_ARG_DECL:.*]]:2 = hlfir.declare %[[S_ARG]] {uniq_name = "_QFdo_concurrent_reduceEs"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[S_ARG_VAL:.*]] = fir.load %[[S_ARG_DECL]]#0 : !fir.ref<i32>
! CHECK: %[[C1:.*]] = arith.constant 1 : i32
! CHECK: %[[RED_UPDATE:.*]] = arith.addi %[[S_ARG_VAL]], %[[C1]] : i32
! CHECK: hlfir.assign %[[RED_UPDATE]] to %[[S_ARG_DECL]]#0 : i32, !fir.ref<i32>
! CHECK: }
! CHECK: }
! CHECK: return
! CHECK: }