[llvm] [OpenMP][Offload] Add SPMD-No-Loop mode to OpenMP offload runtime (PR #154105)

[Dhruva Chakrabarti via llvm-commits]

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@@ -640,6 +640,18 @@ uint32_t GenericKernelTy::getNumThreads(GenericDeviceTy &GenericDevice,
   if (ThreadLimitClause[0] > 0 && isGenericMode())
     ThreadLimitClause[0] += GenericDevice.getWarpSize();
 
+  // Honor OMP_TEAMS_THREAD_LIMIT environment variable and
+  // num_threads/thread_limit clause for NoLoop kernel types.
+  int32_t TeamsThreadLimitEnvVar = GenericDevice.getOMPTeamsThreadLimit();
+  uint16_t ConstWGSize = GenericDevice.getDefaultNumThreads();
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dhruvachak wrote:

Why not use PreferredNumThreads instead of GenericDevice.getDefaultNumThreads()?

https://github.com/llvm/llvm-project/pull/154105