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// Tests mapping of a basic `do concurrent` loop to `!$omp parallel do`.
// RUN: fir-opt --omp-do-concurrent-conversion="map-to=host" %s | FileCheck %s
// CHECK-LABEL: func.func @do_concurrent_basic
func.func @do_concurrent_basic() attributes {fir.bindc_name = "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>>)
%2 = fir.address_of(@_QFEa) : !fir.ref<!fir.array<10xi32>>
%c10 = arith.constant 10 : index
%3 = fir.shape %c10 : (index) -> !fir.shape<1>
%4:2 = hlfir.declare %2(%3) {uniq_name = "_QFEa"} : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<10xi32>>, !fir.ref<!fir.array<10xi32>>)
%c1_i32 = arith.constant 1 : i32
%7 = fir.convert %c1_i32 : (i32) -> index
%c10_i32 = arith.constant 10 : i32
%8 = fir.convert %c10_i32 : (i32) -> index
%c1 = arith.constant 1 : index
// CHECK-NOT: fir.do_concurrent
// 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]]#1 : !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: }
fir.do_concurrent {
%0 = fir.alloca i32 {bindc_name = "i"}
%1:2 = hlfir.declare %0 {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
fir.do_concurrent.loop (%arg0) = (%7) to (%8) step (%c1) {
%13 = fir.convert %arg0 : (index) -> i32
fir.store %13 to %1#1 : !fir.ref<i32>
%14 = fir.load %1#0 : !fir.ref<i32>
%15 = fir.load %1#0 : !fir.ref<i32>
%16 = fir.convert %15 : (i32) -> i64
%17 = hlfir.designate %4#0 (%16) : (!fir.ref<!fir.array<10xi32>>, i64) -> !fir.ref<i32>
hlfir.assign %14 to %17 : i32, !fir.ref<i32>
}
}
// CHECK-NOT: fir.do_concurrent
return
}
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