| Issue |
87839
|
| Summary |
[flang][OpenMP] reduction on complex data type not yet implemented
|
| Labels |
flang
|
| Assignees |
|
| Reporter |
ye-luo
|
Consider this issue as a feature request. complex data type is very common in Fortran.
Got `not yet implemented`
```
yeluo@skylake09:~> flang-new -fopenmp -O3 main.f90
error: loc("/home/yeluo/main.f90":6:9): /gpfs/jlse-fs0/users/yeluo/opt/llvm-clang/llvm-project-nightly/flang/lib/Lower/OpenMP/ReductionProcessor.cpp:135: not yet implemented: Reduction of some types is not supported
LLVM ERROR: aborting
```
reproducer
```
program omp_reduction
implicit none
integer i
complex(kind=8) a, b
a = 1.d0
!$omp parallel do reduction(+: a)
do i = 1, 10
a = a + i*(1.d0, 1.d0)
enddo
write(*,*) a
b = 1.d0
!$omp parallel reduction(+: b)
!$omp do
do i = 1, 100
b = b + i*(1.d0, 1.d0)
enddo
!$omp end parallel
write(*,*) b
end program
```
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