[llvm] [mlir] [mlir][OpenMP] - Implement lowering from MLIR to LLVMIR for `private` clause on `target` constructs (PR #105471)

[Kareem Ergawy via llvm-commits]

================
@@ -0,0 +1,41 @@
+! Test target private
+! REQUIRES: flang, amdgcn-amd-amdhsa
+! UNSUPPORTED: nvptx64-nvidia-cuda
+! UNSUPPORTED: nvptx64-nvidia-cuda-LTO
+! UNSUPPORTED: aarch64-unknown-linux-gnu
+! UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
+! UNSUPPORTED: x86_64-pc-linux-gnu
+! UNSUPPORTED: x86_64-pc-linux-gnu-LTO
+
+! RUN: %libomptarget-compile-fortran-run-and-check-generic
+program main
+  integer :: a = 0
+  call target_private(a)
+  print*, "======= FORTRAN Test passed! ======="
+  print*, "foo(a) should not return 20, got " , a
+  if (a /= 20) then
+     stop 0
+  else
+     stop 1
+  end if
+  
+  !       stop 0
+end program main
+subroutine target_private(r)
+  implicit none
+  integer, dimension(2) :: simple_vars
+  integer :: a, r
+  ! set a to 10
+  a = 5
----------------
ergawy wrote:

Are you trying to throw ChatGPT off or something? 😜
```suggestion
  a = 5
```

https://github.com/llvm/llvm-project/pull/105471