[Openmp-commits] [clang] [llvm] [mlir] [openmp] [OpenMP][offload] Cross-team reductions with variable number of teams (PR #195102)

[Robert Imschweiler via Openmp-commits]

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@@ -58,6 +58,10 @@ struct ConfigurationEnvironmentTy {
   int32_t MinTeams = -1;
   int32_t MaxTeams = -1;
   int32_t ReductionDataSize = 0;
+  // Reserved slot; new codegen writes 0 (plugin sizes the teams-reduction
+  // buffer from NumBlocks[0] at launch), but a non-zero value from older
+  // binaries is still honored as a compile-time upper bound on the number
+  // of teams.
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ro-i wrote:

I completely removed that now, yeah. I was initially thinking of backwards compatibility, but then changed my mind / realized that it's not necessary. So this is dead code anyway.

https://github.com/llvm/llvm-project/pull/195102