diff options
Diffstat (limited to 'test/CodeGenCXX/vtable-linkage.cpp')
| -rw-r--r-- | test/CodeGenCXX/vtable-linkage.cpp | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/test/CodeGenCXX/vtable-linkage.cpp b/test/CodeGenCXX/vtable-linkage.cpp index b3b68703c6d3..cf988d131222 100644 --- a/test/CodeGenCXX/vtable-linkage.cpp +++ b/test/CodeGenCXX/vtable-linkage.cpp @@ -1,16 +1,21 @@ // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o %t +// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o %t.hidden // RUN: FileCheck --check-prefix=CHECK-1 %s < %t // RUN: FileCheck --check-prefix=CHECK-2 %s < %t +// RUN: FileCheck --check-prefix=CHECK-2-HIDDEN %s < %t.hidden // RUN: FileCheck --check-prefix=CHECK-3 %s < %t // RUN: FileCheck --check-prefix=CHECK-4 %s < %t // RUN: FileCheck --check-prefix=CHECK-5 %s < %t +// RUN: FileCheck --check-prefix=CHECK-5-HIDDEN %s < %t.hidden // RUN: FileCheck --check-prefix=CHECK-6 %s < %t +// RUN: FileCheck --check-prefix=CHECK-6-HIDDEN %s < %t.hidden // RUN: FileCheck --check-prefix=CHECK-7 %s < %t // RUN: FileCheck --check-prefix=CHECK-8 %s < %t // RUN: FileCheck --check-prefix=CHECK-9 %s < %t // RUN: FileCheck --check-prefix=CHECK-10 %s < %t // RUN: FileCheck --check-prefix=CHECK-11 %s < %t // RUN: FileCheck --check-prefix=CHECK-12 %s < %t +// RUN: FileCheck --check-prefix=CHECK-13 %s < %t namespace { struct A { @@ -83,22 +88,27 @@ struct F<char> { template struct F<short>; extern template struct F<int>; -void use_F(F<char> &fc) { +void use_F() { + F<char> fc; + fc.foo(); F<int> fi; fi.foo(); F<long> fl; (void)fl; - fc.foo(); } // B has a key function that is not defined in this translation unit so its vtable // has external linkage. // CHECK-1: @_ZTV1B = external constant -// C has no key function, so its vtable should have weak_odr linkage. +// C has no key function, so its vtable should have weak_odr linkage +// and hidden visibility (rdar://problem/7523229). // CHECK-2: @_ZTV1C = weak_odr constant // CHECK-2: @_ZTS1C = weak_odr constant // CHECK-2: @_ZTI1C = weak_odr constant +// CHECK-2-HIDDEN: @_ZTV1C = weak_odr hidden constant +// CHECK-2-HIDDEN: @_ZTS1C = weak_odr constant +// CHECK-2-HIDDEN: @_ZTI1C = weak_odr hidden constant // D has a key function that is defined in this translation unit so its vtable is // defined in the translation unit. @@ -119,12 +129,18 @@ void use_F(F<char> &fc) { // CHECK-5: @_ZTV1EIsE = weak_odr constant // CHECK-5: @_ZTS1EIsE = weak_odr constant // CHECK-5: @_ZTI1EIsE = weak_odr constant +// CHECK-5-HIDDEN: @_ZTV1EIsE = weak_odr constant +// CHECK-5-HIDDEN: @_ZTS1EIsE = weak_odr constant +// CHECK-5-HIDDEN: @_ZTI1EIsE = weak_odr constant // F<short> is an explicit template instantiation without a key // function, so its vtable should have weak_odr linkage // CHECK-6: @_ZTV1FIsE = weak_odr constant // CHECK-6: @_ZTS1FIsE = weak_odr constant // CHECK-6: @_ZTI1FIsE = weak_odr constant +// CHECK-6-HIDDEN: @_ZTV1FIsE = weak_odr constant +// CHECK-6-HIDDEN: @_ZTS1FIsE = weak_odr constant +// CHECK-6-HIDDEN: @_ZTI1FIsE = weak_odr constant // E<long> is an implicit template instantiation with a key function // defined in this translation unit, so its vtable should have @@ -160,6 +176,12 @@ void use_F(F<char> &fc) { // CHECK-12: @_ZTSN12_GLOBAL__N_11AE = internal constant // CHECK-12: @_ZTIN12_GLOBAL__N_11AE = internal constant +// F<char> is an explicit specialization without a key function, so +// its vtable should have weak_odr linkage. +// CHECK-13: @_ZTV1FIcE = weak_odr constant +// CHECK-13: @_ZTS1FIcE = weak_odr constant +// CHECK-13: @_ZTI1FIcE = weak_odr constant + // RUN: FileCheck --check-prefix=CHECK-G %s < %t // // CHECK-G: @_ZTV1GIiE = weak_odr constant |