734026347c
This patch contains slight modifications to the reverted PR #85258 to
avoid issues with constructs containing multiple reduction clauses,
uncovered by a test on the gfortran testsuite.
This reverts commit 9f80444c2e.
82 lines
3.6 KiB
Fortran
82 lines
3.6 KiB
Fortran
! RUN: bbc -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
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! RUN: %flang_fc1 -emit-hlfir -fopenmp -o - %s 2>&1 | FileCheck %s
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!CHECK-LABEL: omp.declare_reduction
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!CHECK-SAME: @[[MIN_RED_I32_NAME:.*]] : i32 init {
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!CHECK: ^bb0(%{{.*}}: i32):
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!CHECK: %[[C0_1:.*]] = arith.constant 2147483647 : i32
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!CHECK: omp.yield(%[[C0_1]] : i32)
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!CHECK: } combiner {
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!CHECK: ^bb0(%[[ARG0:.*]]: i32, %[[ARG1:.*]]: i32):
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!CHECK: %[[RES:.*]] = arith.minsi %[[ARG0]], %[[ARG1]] : i32
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!CHECK: omp.yield(%[[RES]] : i32)
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!CHECK: }
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!CHECK-LABEL: omp.declare_reduction
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!CHECK-SAME: @[[ADD_RED_F32_NAME:.*]] : f32 init {
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!CHECK: ^bb0(%{{.*}}: f32):
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!CHECK: %[[C0_1:.*]] = arith.constant 0.000000e+00 : f32
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!CHECK: omp.yield(%[[C0_1]] : f32)
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!CHECK: } combiner {
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!CHECK: ^bb0(%[[ARG0:.*]]: f32, %[[ARG1:.*]]: f32):
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!CHECK: %[[RES:.*]] = arith.addf %[[ARG0]], %[[ARG1]] {{.*}} : f32
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!CHECK: omp.yield(%[[RES]] : f32)
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!CHECK: }
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!CHECK-LABEL: omp.declare_reduction
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!CHECK-SAME: @[[ADD_RED_I32_NAME:.*]] : i32 init {
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!CHECK: ^bb0(%{{.*}}: i32):
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!CHECK: %[[C0_1:.*]] = arith.constant 0 : i32
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!CHECK: omp.yield(%[[C0_1]] : i32)
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!CHECK: } combiner {
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!CHECK: ^bb0(%[[ARG0:.*]]: i32, %[[ARG1:.*]]: i32):
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!CHECK: %[[RES:.*]] = arith.addi %[[ARG0]], %[[ARG1]] : i32
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!CHECK: omp.yield(%[[RES]] : i32)
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!CHECK: }
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!CHECK-LABEL: func.func @_QPmultiple_reduction
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!CHECK: %[[X_REF:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFmultiple_reductionEx"}
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!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X_REF]] {uniq_name = "_QFmultiple_reductionEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[Y_REF:.*]] = fir.alloca f32 {bindc_name = "y", uniq_name = "_QFmultiple_reductionEy"}
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!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y_REF]] {uniq_name = "_QFmultiple_reductionEy"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
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!CHECK: %[[Z_REF:.*]] = fir.alloca i32 {bindc_name = "z", uniq_name = "_QFmultiple_reductionEz"}
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!CHECK: %[[Z_DECL:.*]]:2 = hlfir.declare %[[Z_REF]] {uniq_name = "_QFmultiple_reductionEz"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: omp.wsloop reduction(
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!CHECK-SAME: @[[ADD_RED_I32_NAME]] %[[X_DECL]]#0 -> %[[PRV_X:.+]] : !fir.ref<i32>,
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!CHECK-SAME: @[[ADD_RED_F32_NAME]] %[[Y_DECL]]#0 -> %[[PRV_Y:.+]] : !fir.ref<f32>,
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!CHECK-SAME: @[[MIN_RED_I32_NAME]] %[[Z_DECL]]#0 -> %[[PRV_Z:.+]] : !fir.ref<i32>) {{.*}}{
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!CHECK: %[[PRV_X_DECL:.+]]:2 = hlfir.declare %[[PRV_X]] {{.*}} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[PRV_Y_DECL:.+]]:2 = hlfir.declare %[[PRV_Y]] {{.*}} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
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!CHECK: %[[PRV_Z_DECL:.+]]:2 = hlfir.declare %[[PRV_Z]] {{.*}} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: %[[LPRV_X:.+]] = fir.load %[[PRV_X_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[RES_X:.+]] = arith.addi %[[LPRV_X]], %{{.+}} : i32
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!CHECK: hlfir.assign %[[RES_X]] to %[[PRV_X_DECL]]#0 : i32, !fir.ref<i32>
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!CHECK: %[[LPRV_Y:.+]] = fir.load %[[PRV_Y_DECL]]#0 : !fir.ref<f32>
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!CHECK: %[[RES_Y:.+]] = arith.addf %[[LPRV_Y]], %{{.+}} : f32
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!CHECK: hlfir.assign %[[RES_Y]] to %[[PRV_Y_DECL]]#0 : f32, !fir.ref<f32>
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!CHECK: %[[LPRV_Z:.+]] = fir.load %[[PRV_Z_DECL]]#0 : !fir.ref<i32>
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!CHECK: %[[RES_Z:.+]] = arith.select %{{.+}}, %[[LPRV_Z]], %{{.+}} : i32
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!CHECK: hlfir.assign %[[RES_Z]] to %[[PRV_Z_DECL]]#0 : i32, !fir.ref<i32>
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!CHECK: omp.yield
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!CHECK: }
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!CHECK: return
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subroutine multiple_reduction(v)
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implicit none
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integer, intent(in) :: v(:)
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integer :: i
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integer :: x
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real :: y
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integer:: z
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x = 0
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y = 0.0
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z = 10
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!$omp do reduction(+:x,y) reduction(min:z)
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do i=1, 100
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x = x + v(i)
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y = y + 1.5 * v(i)
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z = min(z, v(i))
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end do
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!$omp end do
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end subroutine
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