1! RUN: bbc -emit-hlfir -fopenmp -o - %s | FileCheck %s 2! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s | FileCheck %s 3 4! regression test for crash 5 6program reduce 7integer :: i = 0 8integer :: r = 0 9 10!$omp parallel do reduction(min:r) 11do i=0,10 12 r = i 13enddo 14!$omp end parallel do 15 16print *,r 17 18end program 19 20! CHECK-LABEL: omp.declare_reduction @min_i32 : i32 init { 21! CHECK: ^bb0(%[[VAL_0:.*]]: i32): 22! CHECK: %[[VAL_1:.*]] = arith.constant 2147483647 : i32 23! CHECK: omp.yield(%[[VAL_1]] : i32) 24 25! CHECK-LABEL: } combiner { 26! CHECK: ^bb0(%[[VAL_0:.*]]: i32, %[[VAL_1:.*]]: i32): 27! CHECK: %[[VAL_2:.*]] = arith.minsi %[[VAL_0]], %[[VAL_1]] : i32 28! CHECK: omp.yield(%[[VAL_2]] : i32) 29! CHECK: } 30 31! CHECK-LABEL: func.func @_QQmain() attributes {fir.bindc_name = "reduce"} { 32! CHECK: %[[VAL_0:.*]] = fir.address_of(@_QFEi) : !fir.ref<i32> 33! CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 34! CHECK: %[[VAL_2:.*]] = fir.address_of(@_QFEr) : !fir.ref<i32> 35! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFEr"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 36! CHECK: omp.parallel { 37! CHECK: %[[VAL_4:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}} 38! CHECK: %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_4]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 39! CHECK: %[[VAL_6:.*]] = arith.constant 0 : i32 40! CHECK: %[[VAL_7:.*]] = arith.constant 10 : i32 41! CHECK: %[[VAL_8:.*]] = arith.constant 1 : i32 42! CHECK: omp.wsloop reduction(@min_i32 %[[VAL_3]]#0 -> %[[VAL_9:.*]] : !fir.ref<i32>) { 43! CHECK-NEXT: omp.loop_nest (%[[VAL_10:.*]]) : i32 = (%[[VAL_6]]) to (%[[VAL_7]]) inclusive step (%[[VAL_8]]) { 44! CHECK: %[[VAL_11:.*]]:2 = hlfir.declare %[[VAL_9]] {uniq_name = "_QFEr"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>) 45! CHECK: fir.store %[[VAL_10]] to %[[VAL_5]]#1 : !fir.ref<i32> 46! CHECK: %[[VAL_12:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i32> 47! CHECK: hlfir.assign %[[VAL_12]] to %[[VAL_11]]#0 : i32, !fir.ref<i32> 48! CHECK: omp.yield 49! CHECK: } 50! CHECK: omp.terminator 51! CHECK: } 52