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TheRock/compiler/amd-llvm/flang/test/Lower/OpenMP/parallel-reduction-mixed.f90
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

55 lines
1.7 KiB
Fortran

!! Make sure that mixture of by-ref and by-val reductions work all the way
!! to LLVM-IR code.
! RUN: %flang_fc1 -emit-llvm -fopenmp -o - %s 2>&1 \
! RUN: | FileCheck %s
subroutine proc
implicit none
real(8),allocatable :: F(:)
real(8),allocatable :: A(:)
integer :: I
!$omp parallel private(A) reduction(+:F,I)
allocate(A(10))
!$omp end parallel
end subroutine proc
!CHECK-LABEL: define void @proc_()
!CHECK: call void (ptr, i32, ptr, ...)
!CHECK-SAME: @__kmpc_fork_call(ptr {{.*}}, i32 1, ptr @[[OMP_PAR:.*]], {{.*}})
!CHECK: define internal void @[[OMP_PAR]](ptr {{.*}} %[[TID_ADDR:.*]], ptr noalias
!CHECK: %[[TID_LOCAL:.*]] = alloca i32
!CHECK: %[[TID:.*]] = load i32, ptr %[[TID_ADDR]]
!CHECK: store i32 %[[TID]], ptr %[[TID_LOCAL]]
!CHECK: %[[F_priv:.*]] = alloca ptr
!CHECK: %[[I_priv:.*]] = alloca i32
!CHECK: omp.par.region:
!CHECK: omp.reduction.init:
!CHECK: store ptr %{{.*}}, ptr %[[F_priv]]
!CHECK: store i32 0, ptr %[[I_priv]]
!CHECK: br label %[[MALLOC_BB:.*]]
!CHECK: [[MALLOC_BB]]:
!CHECK-NOT: omp.par.{{.*}}:
!CHECK: call ptr @malloc(i{{(32)|(64)}} 80)
!CHECK: %[[RED_ARR_0:.*]] = getelementptr inbounds [2 x ptr], ptr %red.array, i64 0, i64 0
!CHECK: store ptr %[[F_priv]], ptr %[[RED_ARR_0:.*]]
!CHECK: %[[RED_ARR_1:.*]] = getelementptr inbounds [2 x ptr], ptr %red.array, i64 0, i64 1
!CHECK: store ptr %[[I_priv]], ptr %[[RED_ARR_1]]
!CHECK: omp.par.pre_finalize: ; preds = %reduce.finalize
!CHECK: %{{.*}} = load ptr, ptr %[[F_priv]]
!CHECK: br label %omp.reduction.cleanup
!CHECK: omp.reduction.cleanup:
!CHECK: br i1 %{{.*}}, label %[[OMP_FREE:.*]], label %{{.*}}
!CHECK: [[OMP_FREE]]:
!CHECK: call void @free