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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp48
1 files changed, 0 insertions, 48 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 0154799..4a48c2f 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -7948,51 +7948,3 @@ void CodeGenModule::moveLazyEmissionStates(CodeGenModule *NewBuilder) {
NewBuilder->ABI->MangleCtx = std::move(ABI->MangleCtx);
}
-
-bool CodeGenModule::classNeedsVectorDestructor(const CXXRecordDecl *RD) {
- CXXDestructorDecl *Dtor = RD->getDestructor();
- // The compiler can't know if new[]/delete[] will be used outside of the DLL,
- // so just force vector deleting destructor emission if dllexport is present.
- // This matches MSVC behavior.
- if (Dtor && Dtor->isVirtual() && Dtor->isDefined() &&
- Dtor->hasAttr<DLLExportAttr>())
- return true;
-
- assert(getCXXABI().hasVectorDeletingDtors());
- return RequireVectorDeletingDtor.count(RD);
-}
-
-void CodeGenModule::requireVectorDestructorDefinition(const CXXRecordDecl *RD) {
- assert(getCXXABI().hasVectorDeletingDtors());
- RequireVectorDeletingDtor.insert(RD);
-
- // To reduce code size in general case we lazily emit scalar deleting
- // destructor definition and an alias from vector deleting destructor to
- // scalar deleting destructor. It may happen that we first emitted the scalar
- // deleting destructor definition and the alias and then discovered that the
- // definition of the vector deleting destructor is required. Then we need to
- // remove the alias and the scalar deleting destructor and queue vector
- // deleting destructor body for emission. Check if that is the case.
- CXXDestructorDecl *DtorD = RD->getDestructor();
- GlobalDecl ScalarDtorGD(DtorD, Dtor_Deleting);
- StringRef MangledName = getMangledName(ScalarDtorGD);
- llvm::GlobalValue *Entry = GetGlobalValue(MangledName);
- if (Entry && !Entry->isDeclaration()) {
- GlobalDecl VectorDtorGD(DtorD, Dtor_VectorDeleting);
- StringRef VDName = getMangledName(VectorDtorGD);
- llvm::GlobalValue *VDEntry = GetGlobalValue(VDName);
- // It exists and it should be an alias.
- assert(VDEntry && isa<llvm::GlobalAlias>(VDEntry));
- auto *NewFn = llvm::Function::Create(
- cast<llvm::FunctionType>(VDEntry->getValueType()),
- llvm::Function::ExternalLinkage, VDName, &getModule());
- SetFunctionAttributes(VectorDtorGD, NewFn, /*IsIncompleteFunction*/ false,
- /*IsThunk*/ false);
- NewFn->takeName(VDEntry);
- VDEntry->replaceAllUsesWith(NewFn);
- VDEntry->eraseFromParent();
- Entry->replaceAllUsesWith(NewFn);
- Entry->eraseFromParent();
- addDeferredDeclToEmit(VectorDtorGD);
- }
-}