================
@@ -6862,8 +6862,17 @@ void Clang::ConstructJob(Compilation &C, const JobAction
&JA,
CmdArgs.push_back("-fno-openmp-extensions");
Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_cuda_number_of_sm_EQ);
Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_cuda_blocks_per_sm_EQ);
- Args.AddAllArgs(CmdArgs,
- options::OPT_fopenmp_cuda_teams_reduction_recs_num_EQ);
+ // '-fopenmp-cuda-teams-reduction-recs-num=' is deprecated and has no
+ // effect: the teams reduction buffer is sized at kernel launch by the
+ // offload plugin to match the actual number of teams. Honoring a
+ // smaller user-supplied value would silently truncate the buffer for
+ // larger launches.
+ if (Arg *A = Args.getLastArg(
+ options::OPT_fopenmp_cuda_teams_reduction_recs_num_EQ))
+ D.Diag(diag::warn_drv_deprecated_custom)
+ << A->getAsString(Args)
+ << "the value is ignored; the teams reduction buffer is sized "
+ "automatically at kernel launch";
----------------
ro-i wrote:
I don't think so?
https://github.com/llvm/llvm-project/pull/195102
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