[clang] [HIP] Claim `--offload-compress` for `-M` (PR #133456)

[Joseph Huber via cfe-commits]

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@@ -1026,6 +1026,12 @@ void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA,
       CmdArgs.push_back("-dependency-file");
       CmdArgs.push_back(DepFile);
     }
+    // Cmake generates dependency files using all compilation options specified
+    // by users. Claim those not used for dependency files.
+    if (JA.isOffloading(Action::OFK_HIP)) {
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jhuber6 wrote:

Maybe we should only do this when `-M` is specified?

https://github.com/llvm/llvm-project/pull/133456