From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGenCXX/rtti-visibility.cpp | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 clang/test/CodeGenCXX/rtti-visibility.cpp (limited to 'clang/test/CodeGenCXX/rtti-visibility.cpp') diff --git a/clang/test/CodeGenCXX/rtti-visibility.cpp b/clang/test/CodeGenCXX/rtti-visibility.cpp new file mode 100644 index 0000000..40cee06 --- /dev/null +++ b/clang/test/CodeGenCXX/rtti-visibility.cpp @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o %t +// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o %t.hidden +// RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t +// RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t +// RUN: FileCheck --check-prefix=CHECK-TEST2-HIDDEN %s < %t.hidden + +#include + +namespace Test1 { + // A is explicitly marked hidden, so all RTTI data should also be marked hidden. + // CHECK-TEST1: @_ZTSN5Test11AE = linkonce_odr hidden constant + // CHECK-TEST1: @_ZTIN5Test11AE = linkonce_odr hidden unnamed_addr constant + // CHECK-TEST1: @_ZTSPN5Test11AE = linkonce_odr hidden constant + // CHECK-TEST1: @_ZTIPN5Test11AE = linkonce_odr hidden unnamed_addr constant + struct __attribute__((visibility("hidden"))) A { }; + + void f() { + (void)typeid(A); + (void)typeid(A *); + } +} + +namespace Test2 { + // A is weak, so its linkage should be linkoce_odr, but not marked hidden. + // CHECK-TEST2: @_ZTSN5Test21AE = linkonce_odr constant + // CHECK-TEST2: @_ZTIN5Test21AE = linkonce_odr unnamed_addr constant + struct A { }; + + // With -fhidden-weak-vtables, the typeinfo for A is marked hidden, but not its name. + // CHECK-TEST2-HIDDEN: _ZTSN5Test21AE = linkonce_odr constant + // CHECK-TEST2-HIDDEN: @_ZTIN5Test21AE = linkonce_odr hidden unnamed_addr constant + void f() { + (void)typeid(A); + } +} -- cgit v1.2.3