<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/76778>76778</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Issue in OMP min reduction with nested Parallel Do and Private Variables.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          harishch4
      </td>
    </tr>
</table>

<pre>
    Are OMP min reductions supported currently in llvm-flang? 

The below program works fine with gfortran but fails with llvm-flang.
```
program min_reduction
   implicit none
 integer, parameter :: n = 1024
   integer :: a(n, n), v, i, j, x, y
 do i = 1, n
      do j = 1, n
         a(i, j) = i + j ! min = 2; max = 2048
      end do
   end do
   v = a(1, 1)
   y = -2
   !$omp parallel do private(x) reduction(min: v)
   do i = 1, n
      do j = 1, n
         x = (i + j)*y ! min = 2048*-2 = -4096
         v = min(v, a(i, j), x)
      end do
   end do
   !$omp end parallel do
! print *, "min(a) = ", v
   if (v == 2*n*y) then
      print *, "PASS"
   else
      print *, "FAIL"
   end if
end program
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJycVE2L8zYQ_jXyZdggj-XYOfjgbQi80NKFLb0WOZZtbWXJSHJ28--LpHxsUlpKwYzRfDwz84w03Dk5aiEaUr6Scp_x1U_GNhO30k3HiWWd6c9NawX8-ssbzFKDFf169NJoB25dFmO96OG4Wiu0V2eQGpQ6zS-D4nokxQEI3RPaJvnbJKATynzCYs1o-Qyfxv7pYJBawKf0E4yDsd5yDd3qYeBSuaS_Y24ugFt6-eLxijdL_cetwmQCADkvSh6lB220uGil9mIUluBPsHDLZ-GFBVK0pGhBAyn2kFNkd4jkfvXgBGsdYjXBXfifgpBBfATxFcT5Et0bkAkxRVwxAYLp4x9MADHLFXMX3SQQfA0hmMdpBB2S4hVm_pUOlNXfUYTuoTc3zdPxFGNCmpg_D81cbedoe8GbgmBOkJl5iYQpJVQof7HyxL0gWH-FIu_kYz1LHbg6fUf931yk9gIhiYLIe3t-ZCI0j-0LptIZ3W2fUFLDoTCs48geKL5MbvffCbxzEgzfeLncUswDQdoDwTagE8SUnF8nShDT_bndtCF0GQtN08VWh05DgJ_EAy_P2G_t-3sAvFWrnPg3_0P74-cHf92DHNIxNpSe1dOTy_qm6HfFjmeiySvKsKxwy7Kp2RW8KwvBGaUi7_Kyr3lJj6zk26rsK1ZnskGKjOa0oIxVjG1o3fNi6GsxdFhXfUkYFTOXahMe_MbYMZPOraKptlVVZ4p3Qrm4qxC1-IRoDA2U-8w2cUl06-gIo0o67-4oXnolmh_BPayovy2ztGW0cGGbvV3HuDfAdQ9v6YrD79xK3inhNtlqVTN5v7iwD_BA8DBKP63d5mhmgoeQ9_J7Waz5EEdP8BCrdQQPsZu_AgAA__8byoVg">