[PATCH] D152782: [CodeGen] Remove unused declaration/function GetOrCreateRTTIProxyGlobalVariable

[Kazu Hirata via Phabricator via cfe-commits]

kazu created this revision.
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The last use removed by:

  commit 46f366494f3ca8cc98daa6fb4f29c7c446c176b6
  Author: Fangrui Song <i at maskray.me>
  Date:   Sat May 20 08:24:20 2023 -0700

This patch also removes RTTIProxyMap, which becomes unused once I
remove GetOrCreateRTTIProxyGlobalVariable.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152782

Files:
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/CodeGen/CodeGenModule.h


Index: clang/lib/CodeGen/CodeGenModule.h
===================================================================
--- clang/lib/CodeGen/CodeGenModule.h
+++ clang/lib/CodeGen/CodeGenModule.h
@@ -590,8 +590,6 @@
   MetadataTypeMap VirtualMetadataIdMap;
   MetadataTypeMap GeneralizedMetadataIdMap;
 
-  llvm::DenseMap<const llvm::Constant *, llvm::GlobalVariable *> RTTIProxyMap;
-
   // Helps squashing blocks of TopLevelStmtDecl into a single llvm::Function
   // when used with -fincremental-extensions.
   std::pair<std::unique_ptr<CodeGenFunction>, const TopLevelStmtDecl *>
@@ -1503,9 +1501,6 @@
   std::vector<const CXXRecordDecl *>
   getMostBaseClasses(const CXXRecordDecl *RD);
 
-  llvm::GlobalVariable *
-  GetOrCreateRTTIProxyGlobalVariable(llvm::Constant *Addr);
-
   /// Get the declaration of std::terminate for the platform.
   llvm::FunctionCallee getTerminateFn();
 
Index: clang/lib/CodeGen/CodeGenModule.cpp
===================================================================
--- clang/lib/CodeGen/CodeGenModule.cpp
+++ clang/lib/CodeGen/CodeGenModule.cpp
@@ -2028,22 +2028,6 @@
   return MostBases.takeVector();
 }
 
-llvm::GlobalVariable *
-CodeGenModule::GetOrCreateRTTIProxyGlobalVariable(llvm::Constant *Addr) {
-  auto It = RTTIProxyMap.find(Addr);
-  if (It != RTTIProxyMap.end())
-    return It->second;
-
-  auto *FTRTTIProxy = new llvm::GlobalVariable(
-      TheModule, Addr->getType(),
-      /*isConstant=*/true, llvm::GlobalValue::PrivateLinkage, Addr,
-      "__llvm_rtti_proxy");
-  FTRTTIProxy->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
-
-  RTTIProxyMap[Addr] = FTRTTIProxy;
-  return FTRTTIProxy;
-}
-
 void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
                                                            llvm::Function *F) {
   llvm::AttrBuilder B(F->getContext());


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