[clang] [llvm] [mlir] [Flang][OpenMP] Enable no-loop kernels (PR #155818)

[Sergio Afonso via cfe-commits]

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@@ -2106,6 +2106,29 @@ Operation *TargetOp::getInnermostCapturedOmpOp() {
       });
 }
 
+/// Check if we can promote SPMD kernel to No-Loop kernel
+static bool canPromoteToNoLoop(Operation *capturedOp, TeamsOp teamsOp,
+                               WsloopOp *wsLoopOp) {
+  // num_teams clause can break no-loop teams/threads assumption
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skatrak wrote:

```suggestion
  // num_teams clause can break no-loop teams/threads assumption.
```

https://github.com/llvm/llvm-project/pull/155818