Emit standard-library RTTI with external linkage, not weak_odr.
Apply hidden visibility to most RTTI; libstdc++ does not rely on exact
pointer equality for the type info (just the type info names). Apply
the same optimization to RTTI that we do to vtables.
Fixes PR5962.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110192 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/exceptions-no-rtti.cpp b/test/CodeGenCXX/exceptions-no-rtti.cpp
index c26abb2..01be1cc 100644
--- a/test/CodeGenCXX/exceptions-no-rtti.cpp
+++ b/test/CodeGenCXX/exceptions-no-rtti.cpp
@@ -1,10 +1,10 @@
// RUN: %clang_cc1 -fno-rtti -fexceptions %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
-// CHECK: @_ZTIN5test11AE = weak_odr constant
-// CHECK: @_ZTIN5test11BE = weak_odr constant
-// CHECK: @_ZTIN5test11CE = weak_odr constant
-// CHECK: @_ZTIN5test11DE = weak_odr constant
-// CHECK: @_ZTIPN5test11DE = weak_odr constant {{.*}} @_ZTIN5test11DE
+// CHECK: @_ZTIN5test11AE = weak_odr hidden constant
+// CHECK: @_ZTIN5test11BE = weak_odr hidden constant
+// CHECK: @_ZTIN5test11CE = weak_odr hidden constant
+// CHECK: @_ZTIN5test11DE = weak_odr hidden constant
+// CHECK: @_ZTIPN5test11DE = weak_odr hidden constant {{.*}} @_ZTIN5test11DE
// PR6974: this shouldn't crash
namespace test0 {
@@ -18,9 +18,12 @@
}
namespace test1 {
- // These classes have key functions defined out-of-line.
- // Under normal circumstances, we wouldn't generate RTTI for them;
- // under -fno-rtti, we generate RTTI only when required by EH.
+ // These classes have key functions defined out-of-line. Under
+ // normal circumstances, we wouldn't generate RTTI for them; under
+ // -fno-rtti, we generate RTTI only when required by EH. But
+ // everything gets hidden visibility because we assume that all
+ // users are also compiled under -fno-rtti and therefore will be
+ // emitting RTTI regardless of key function.
class A { virtual void foo(); };
class B { virtual void foo(); };
class C { virtual void foo(); };