[clang] [clang][Driver][SPIR-V] Allow linking IR using llvm-link (PR #169572)

[Manuel Carrasco via cfe-commits]

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@@ -4595,7 +4598,14 @@ void Driver::BuildDefaultActions(Compilation &C, DerivedArgList &Args,
       LA->propagateHostOffloadInfo(C.getActiveOffloadKinds(),
                                    /*BoundArch=*/nullptr);
     } else {
-      LA = C.MakeAction<LinkJobAction>(LinkerInputs, types::TY_Image);
+      // If we are linking but were passed -emit-llvm, we will be calling
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mgcarrasco wrote:

I'm not fully familiar with this part of code. I wonder if this could be affecting other compilation paths other than the one that is expected in this PR. For example, when building HIP code. @sarnex do you know if this may happen?

https://github.com/llvm/llvm-project/pull/169572