diff options
| -rw-r--r-- | lib/CodeGen/ModuleBuilder.cpp | 12 | ||||
| -rw-r--r-- | test/CodeGenCXX/attr-used.cpp | 9 |
2 files changed, 21 insertions, 0 deletions
diff --git a/lib/CodeGen/ModuleBuilder.cpp b/lib/CodeGen/ModuleBuilder.cpp index 6d9d2770c7..d41d3ac268 100644 --- a/lib/CodeGen/ModuleBuilder.cpp +++ b/lib/CodeGen/ModuleBuilder.cpp @@ -71,6 +71,18 @@ namespace { /// (because these can be defined in declspecs). virtual void HandleTagDeclDefinition(TagDecl *D) { Builder->UpdateCompletedType(D); + + // In C++, we may have member functions that need to be emitted at this + // point. + if (Ctx->getLangOptions().CPlusPlus && !D->isDependentContext()) { + for (DeclContext::decl_iterator M = D->decls_begin(), + MEnd = D->decls_end(); + M != MEnd; ++M) + if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(*M)) + if (Method->isThisDeclarationADefinition() && + Method->hasAttr<UsedAttr>()) + Builder->EmitTopLevelDecl(Method); + } } virtual void HandleTranslationUnit(ASTContext &Ctx) { diff --git a/test/CodeGenCXX/attr-used.cpp b/test/CodeGenCXX/attr-used.cpp new file mode 100644 index 0000000000..26109e7c63 --- /dev/null +++ b/test/CodeGenCXX/attr-used.cpp @@ -0,0 +1,9 @@ +// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s + +// <rdar://problem/8684363>: clang++ not respecting __attribute__((used)) on destructors +struct X0 { + // CHECK: define linkonce_odr void @_ZN2X0C1Ev + __attribute__((used)) X0() {} + // CHECK: define linkonce_odr void @_ZN2X0D1Ev + __attribute__((used)) ~X0() {} +}; |