[clang] [Clang] add option --offload-jobs=N (PR #135229)

[Yaxun Liu via cfe-commits]

================
@@ -9360,6 +9362,19 @@ void LinkerWrapper::ConstructJob(Compilation &C, const 
JobAction &JA,
       CmdArgs.push_back(LinkArg);
 
   addOffloadCompressArgs(Args, CmdArgs);
+
+  // Default to half of hardware threads if users do not specify it.
+  if (Arg *A = Args.getLastArg(options::OPT_offload_jobs_EQ))
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yxsamliu wrote:

removed setting default value and added check for integers

https://github.com/llvm/llvm-project/pull/135229
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