| ! RUN: bbc -emit-hlfir -fopenmp -o - %s | FileCheck %s |
| ! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s | FileCheck %s |
| |
| ! regression test for crash |
| |
| program reduce |
| integer :: i = 0 |
| integer :: r = 0 |
| |
| !$omp parallel do reduction(min:r) |
| do i=0,10 |
| r = i |
| enddo |
| !$omp end parallel do |
| |
| print *,r |
| |
| end program |
| |
| ! CHECK-LABEL: omp.declare_reduction @min_i32 : i32 init { |
| ! CHECK: ^bb0(%[[VAL_0:.*]]: i32): |
| ! CHECK: %[[VAL_1:.*]] = arith.constant 2147483647 : i32 |
| ! CHECK: omp.yield(%[[VAL_1]] : i32) |
| |
| ! CHECK-LABEL: } combiner { |
| ! CHECK: ^bb0(%[[VAL_0:.*]]: i32, %[[VAL_1:.*]]: i32): |
| ! CHECK: %[[VAL_2:.*]] = arith.minsi %[[VAL_0]], %[[VAL_1]] : i32 |
| ! CHECK: omp.yield(%[[VAL_2]] : i32) |
| ! CHECK: } |
| |
| ! CHECK-LABEL: func.func @_QQmain() attributes {fir.bindc_name = "reduce"} { |
| ! CHECK: %[[VAL_0:.*]] = fir.address_of(@_QFEi) : !fir.ref<i32> |
| ! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: %[[VAL_2:.*]] = fir.address_of(@_QFEr) : !fir.ref<i32> |
| ! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFEr"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: omp.parallel { |
| ! CHECK: %[[VAL_4:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} |
| ! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_4]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i32 |
| ! CHECK: %[[VAL_7:.*]] = arith.constant 10 : i32 |
| ! CHECK: %[[VAL_8:.*]] = arith.constant 1 : i32 |
| ! CHECK: omp.wsloop reduction(@min_i32 %[[VAL_3]]#0 -> %[[VAL_9:.*]] : !fir.ref<i32>) { |
| ! CHECK-NEXT: omp.loop_nest (%[[VAL_10:.*]]) : i32 = (%[[VAL_6]]) to (%[[VAL_7]]) inclusive step (%[[VAL_8]]) { |
| ! CHECK: %[[VAL_11:.*]]:2 = hlfir.declare %[[VAL_9]] {uniq_name = "_QFEr"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) |
| ! CHECK: fir.store %[[VAL_10]] to %[[VAL_5]]#1 : !fir.ref<i32> |
| ! CHECK: %[[VAL_12:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i32> |
| ! CHECK: hlfir.assign %[[VAL_12]] to %[[VAL_11]]#0 : i32, !fir.ref<i32> |
| ! CHECK: omp.yield |
| ! CHECK: } |
| ! CHECK: omp.terminator |
| ! CHECK: omp.terminator |
| ! CHECK: } |