[clang] [llvm] OpenMP offload 'simd' directive (PR #91261)

[Johannes Doerfert via cfe-commits]

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@@ -184,7 +196,7 @@ __kmpc_parallel_51(IdentTy *ident, int32_t, int32_t if_expr,
   // set, but they do not have individual ThreadStates yet. If they ever
   // modify the ICVs beyond this point a ThreadStates will be allocated.
 
-  bool IsActiveParallelRegion = NumThreads > 1;
+  bool IsActiveParallelRegion = NumThreads*mapping::getSimdLen() > 1;
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jdoerfert wrote:

Why is this multiplied with the simd len here?

https://github.com/llvm/llvm-project/pull/91261