[llvm-branch-commits] [clang] [ExposeObjCDirect] Optimizations (PR #170619)

[Oliver Hunt via llvm-branch-commits]

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@@ -60,13 +61,22 @@ class CGBlockInfo;
 
 // FIXME: Several methods should be pure virtual but aren't to avoid the
 // partially-implemented subclass breaking.
+typedef llvm::DenseSet<const ObjCInterfaceDecl *> RealizedClassSet;
 
 /// Implements runtime-specific code generation functions.
 class CGObjCRuntime {
 protected:
   CodeGen::CodeGenModule &CGM;
   CGObjCRuntime(CodeGen::CodeGenModule &CGM) : CGM(CGM) {}
 
+  /// Cache of classes that are guaranteed to be realized because they or one
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ojhunt wrote:

Cache of classes known to be realized during loading.

https://github.com/llvm/llvm-project/pull/170619