derek.holloway
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61 lines
3.0 KiB
Fortran
61 lines
3.0 KiB
Fortran
! This test checks lowering of OpenMP declare reduction Directive, with combiner
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! via a subroutine call.
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!RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=52 %s -o - | FileCheck %s
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subroutine combine_me(out, in)
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integer out, in
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out = out + in
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end subroutine combine_me
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function func(x, n)
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integer func
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integer x(n)
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integer res
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interface
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subroutine combine_me(out, in)
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integer out, in
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end subroutine combine_me
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end interface
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!CHECK: omp.declare_reduction @red_add : 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: fir.call @_QPcombine_me(%[[OMP_OUT_DECL]]#0, %[[OMP_IN_DECL]]#0) fastmath<contract> : (!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.yield(%[[OMP_OUT_VAL]] : i32)
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!CHECK: }
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!CHECK: func.func @_QPcombine_me(%[[OUT:.*]]: !fir.ref<i32> {fir.bindc_name = "out"}, %[[IN:.*]]: !fir.ref<i32> {fir.bindc_name = "in"}) {
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!CHECK: %[[SCOPE:.*]] = fir.dummy_scope : !fir.dscope
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!CHECK: %[[IN_DECL:.*]]:2 = hlfir.declare %[[IN]] dummy_scope %[[SCOPE]] arg 2 {uniq_name = "_QFcombine_meEin"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[OUT_DECL:.*]]:2 = hlfir.declare %[[OUT]] dummy_scope %[[SCOPE]] arg 1 {uniq_name = "_QFcombine_meEout"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[OUT_VAL:.*]] = fir.load %[[OUT_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[IN_VAL:.*]] = fir.load %[[IN_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[SUM:.*]] = arith.addi %[[OUT_VAL]], %[[IN_VAL]] : i32
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!CHECK: hlfir.assign %[[SUM]] to %[[OUT_DECL]]#0 : i32, !fir.ref<i32>
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!CHECK: return
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!CHECK: }
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!$omp declare reduction(red_add:integer(4):combine_me(omp_out,omp_in)) initializer(omp_priv=0)
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res=0
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!$omp simd reduction(red_add:res)
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do i=1,n
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res=res+x(i)
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enddo
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func=res
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end function func
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