derek.holloway
7502bf64a4
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34 lines
1.9 KiB
Fortran
34 lines
1.9 KiB
Fortran
! This test checks lowering of OpenMP declare reduction Directive.
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!RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=52 %s -o - | FileCheck %s
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subroutine declare_red()
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integer :: my_var
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!CHECK: omp.declare_reduction @my_red : i32 init {
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!CHECK: ^bb0(%[[OMP_ORIG_ARG_I:.*]]: i32):
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!CHECK: %[[OMP_PRIV:.*]] = fir.alloca i32
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!CHECK: %[[OMP_ORIG:.*]] = fir.alloca i32
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!CHECK: fir.store %[[OMP_ORIG_ARG_I]] to %[[OMP_ORIG]] : !fir.ref<i32>
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!CHECK: %[[OMP_ORIG_DECL:.*]]:2 = hlfir.declare %[[OMP_ORIG]] {uniq_name = "omp_orig"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: fir.store %[[OMP_ORIG_ARG_I]] to %[[OMP_PRIV]] : !fir.ref<i32>
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!CHECK: %[[OMP_PRIV_DECL:.*]]:2 = hlfir.declare %[[OMP_PRIV]] {uniq_name = "omp_priv"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[CONST_0:.*]] = arith.constant 0 : i32
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!CHECK: omp.yield(%[[CONST_0]] : i32)
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!CHECK: } combiner {
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!CHECK: ^bb0(%[[LHS_ARG:.*]]: i32, %[[RHS_ARG:.*]]: i32):
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!CHECK: %[[OMP_OUT:.*]] = fir.alloca i32
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!CHECK: %[[OMP_IN:.*]] = fir.alloca i32
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!CHECK: fir.store %[[RHS_ARG]] to %[[OMP_IN]] : !fir.ref<i32>
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!CHECK: %[[OMP_IN_DECL:.*]]:2 = hlfir.declare %[[OMP_IN]] {uniq_name = "omp_in"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: fir.store %[[LHS_ARG]] to %[[OMP_OUT]] : !fir.ref<i32>
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!CHECK: %[[OMP_OUT_DECL:.*]]:2 = hlfir.declare %[[OMP_OUT]] {uniq_name = "omp_out"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[OMP_OUT_VAL:.*]] = fir.load %[[OMP_OUT_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[OMP_IN_VAL:.*]] = fir.load %[[OMP_IN_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[SUM:.*]] = arith.addi %[[OMP_OUT_VAL]], %[[OMP_IN_VAL]] : i32
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!CHECK: omp.yield(%[[SUM]] : i32)
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!CHECK: }
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!$omp declare reduction (my_red : integer : omp_out = omp_out + omp_in) initializer (omp_priv = 0)
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my_var = 0
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end subroutine declare_red
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