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! Tests mapping of a basic `do concurrent` loop to `!$omp parallel do`.
! RUN: %flang_fc1 -emit-hlfir -fopenmp -fdo-concurrent-to-openmp=host %s -o - \
! RUN: | FileCheck %s
! RUN: bbc -emit-hlfir -fopenmp -fdo-concurrent-to-openmp=host %s -o - \
! RUN: | FileCheck %s
! CHECK-LABEL: DO_CONCURRENT_BASIC
program do_concurrent_basic
! CHECK: %[[ARR:.*]]:2 = hlfir.declare %{{.*}}(%{{.*}}) {uniq_name = "_QFEa"} : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<10xi32>>, !fir.ref<!fir.array<10xi32>>)
implicit none
integer :: a(10)
integer :: i
! CHECK-NOT: fir.do_loop
! CHECK: %[[C1:.*]] = arith.constant 1 : i32
! CHECK: %[[LB:.*]] = fir.convert %[[C1]] : (i32) -> index
! CHECK: %[[C10:.*]] = arith.constant 10 : i32
! CHECK: %[[UB:.*]] = fir.convert %[[C10]] : (i32) -> index
! CHECK: %[[STEP:.*]] = arith.constant 1 : index
! CHECK: omp.parallel {
! CHECK-NEXT: %[[ITER_VAR:.*]] = fir.alloca i32 {bindc_name = "i"}
! CHECK-NEXT: %[[BINDING:.*]]:2 = hlfir.declare %[[ITER_VAR]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: omp.wsloop {
! CHECK-NEXT: omp.loop_nest (%[[ARG0:.*]]) : index = (%[[LB]]) to (%[[UB]]) inclusive step (%[[STEP]]) {
! CHECK-NEXT: %[[IV_IDX:.*]] = fir.convert %[[ARG0]] : (index) -> i32
! CHECK-NEXT: fir.store %[[IV_IDX]] to %[[BINDING]]#0 : !fir.ref<i32>
! CHECK-NEXT: %[[IV_VAL1:.*]] = fir.load %[[BINDING]]#0 : !fir.ref<i32>
! CHECK-NEXT: %[[IV_VAL2:.*]] = fir.load %[[BINDING]]#0 : !fir.ref<i32>
! CHECK-NEXT: %[[IV_VAL_I64:.*]] = fir.convert %[[IV_VAL2]] : (i32) -> i64
! CHECK-NEXT: %[[ARR_ACCESS:.*]] = hlfir.designate %[[ARR]]#0 (%[[IV_VAL_I64]]) : (!fir.ref<!fir.array<10xi32>>, i64) -> !fir.ref<i32>
! CHECK-NEXT: hlfir.assign %[[IV_VAL1]] to %[[ARR_ACCESS]] : i32, !fir.ref<i32>
! CHECK-NEXT: omp.yield
! CHECK-NEXT: }
! CHECK-NEXT: }
! CHECK-NEXT: omp.terminator
! CHECK-NEXT: }
do concurrent (i=1:10)
a(i) = i
end do
! CHECK-NOT: fir.do_loop
end program do_concurrent_basic
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