[llvm] [DTLTO][LLVM] Integrated Distributed ThinLTO (DTLTO) (PR #127749)

[Steven Wu via llvm-commits]

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@@ -426,6 +460,7 @@ class LTO {
     // The bitcode modules to compile, if specified by the LTO Config.
     std::optional<ModuleMapType> ModulesToCompile;
     DenseMap<GlobalValue::GUID, StringRef> PrevailingModuleForGUID;
+    DenseMap<StringRef, std::string> ModuleTriples;
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cachemeifyoucan wrote:

I was really hoping we have only one triple for the build because what does it even mean when you cross importing different triple. Will be good to document that you need to have per module triple to account for the versions field. 

https://github.com/llvm/llvm-project/pull/127749