================
@@ -535,6 +535,21 @@ void tools::gnutools::Linker::ConstructJob(Compilation &C,
const JobAction &JA,
D.getLTOMode() == LTOK_Thin);
}
+ // Forward the DTLTO options to the linker. We add these unconditionally,
+ // rather than in addLTOOptions() as it is the linker that decides whether to
+ // do LTO or not dependent upon whether there are any bitcode input files in
+ // the link.
+ if (Arg *A = Args.getLastArg(options::OPT_fthinlto_distributor_EQ)) {
+ CmdArgs.push_back(
+ Args.MakeArgString("--thinlto-distributor=" + Twine(A->getValue())));
+ CmdArgs.push_back(
+ Args.MakeArgString("--thinlto-remote-opt-tool=" +
+
Twine(ToolChain.getDriver().getClangProgramPath())));
+
+ for (auto A : Args.getAllArgValues(options::OPT_Xthinlto_distributor_EQ))
+ CmdArgs.push_back(Args.MakeArgString("-mllvm=-thinlto-distributor-arg="
+ A));
----------------
bd1976bris wrote:
Having looked at this again I think your suggestion of making
`--thinlto-remote-opt-tool` a `cl::opt` tool makes sense. I have updated the
code to match. Please take a look.
https://github.com/llvm/llvm-project/pull/126654
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