[llvm] [ThinLTO][BitcodeWriter] Write import type in per-module combined summary (PR #87600)

[Jan Voung via llvm-commits]

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@@ -1272,6 +1272,12 @@ using ModulePathStringTableTy = StringMap<ModuleHash>;
 /// a particular module, and provide efficient access to their summary.
 using GVSummaryMapTy = DenseMap<GlobalValue::GUID, GlobalValueSummary *>;
 
+/// A set of global value summary pointers.
+using GVSummaryPtrSet = SmallPtrSet<GlobalValueSummary *, 4>;
+
+/// The key is module path, and value is a set of global value summary pointers.
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jvoung wrote:

Ah got it, thanks for the clarification!

https://github.com/llvm/llvm-project/pull/87600