[clang] [llvm] [mlir] [OMPIRBuilder] - Handle dependencies in `createTarget` (PR #93977)

[Sergio Afonso via cfe-commits]

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+! Offloading test checking the use of the depend clause on
+! the target construct
+! 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
+  implicit none
+  integer :: a = 0
+  INTERFACE
+     FUNCTION omp_get_device_num() BIND(C)
+       USE, INTRINSIC :: iso_c_binding, ONLY: C_INT
+       integer :: omp_get_device_num
+     END FUNCTION omp_get_device_num
+  END INTERFACE
+
+  call foo(5, a)
+  print*, "======= FORTRAN Test passed! ======="
+  print*, "foo(5) returned ", a, ", expected 6\n"
+
+  !       stop 0
+  contains
+    subroutine foo(N, r)
+      integer, intent(in) :: N
+      integer, intent(out) :: r
+      integer :: z, i, j, k, accumulator
+      z = 1
+      accumulator = 0
+      ! Spawn 3 threads
+      !$omp parallel num_threads(3)
+
+      ! A single thread will then create two tasks
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skatrak wrote:

Nit: It looks like comments in this file are split very early on, can you extend to 80 characters?

https://github.com/llvm/llvm-project/pull/93977