================
@@ -708,6 +712,34 @@ void amdgpu::getAMDGPUTargetFeatures(const Driver &D,
options::OPT_m_amdgpu_Features_Group);
}
+static unsigned GetFullLTOPartitions(const Driver &D, const ArgList &Args) {
+ const Arg *A = Args.getLastArg(options::OPT_flto_partitions_EQ);
+ // In the absence of an option, use the number of available threads with a
cap
+ // at 16 partitions. More than 16 partitions rarely benefits code splitting
+ // and can lead to more empty/small modules each with their own overhead.
+ if (!A)
+ return std::max(16u, llvm::hardware_concurrency().compute_thread_count());
----------------
jmmartinez wrote:
"More than 16 partitions rarely benefits code splitting" -> In that case
shouldn't it be the std::min between 16 and thread_count ?
https://github.com/llvm/llvm-project/pull/128509
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