diff options
Diffstat (limited to 'test/CodeGenCXX/vtable-available-externally.cpp')
| -rw-r--r-- | test/CodeGenCXX/vtable-available-externally.cpp | 154 |
1 files changed, 141 insertions, 13 deletions
diff --git a/test/CodeGenCXX/vtable-available-externally.cpp b/test/CodeGenCXX/vtable-available-externally.cpp index 0e7e8b4a3226..24c2eac23bec 100644 --- a/test/CodeGenCXX/vtable-available-externally.cpp +++ b/test/CodeGenCXX/vtable-available-externally.cpp @@ -1,22 +1,26 @@ // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -std=c++98 -emit-llvm -o %t // RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -std=c++98 -O2 -disable-llvm-passes -emit-llvm -o %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t -// RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t -// RUN: FileCheck --check-prefix=CHECK-TEST5 %s < %t -// RUN: FileCheck --check-prefix=CHECK-TEST8 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST9 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST10 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST11 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST12 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST13 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST14 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST15 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST16 %s < %t.opt -// RUN: FileCheck --check-prefix=CHECK-TEST17 %s < %t.opt +// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -std=c++98 -O2 -disable-llvm-passes -emit-llvm -o %t.vtable -fforce-emit-vtables -fstrict-vtable-pointers -mconstructor-aliases +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST1 %s < %t +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST2 %s < %t +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST5 %s < %t +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST8 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST9 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST10 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST11 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST12 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST13 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST14 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST15 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST16 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-TEST17 %s < %t.opt +// RUN: FileCheck -allow-deprecated-dag-overlap --check-prefix=CHECK-FORCE-EMIT %s < %t.vtable + #include <typeinfo> // CHECK-TEST1: @_ZTVN5Test11AE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN5Test11AE = available_externally unnamed_addr constant namespace Test1 { struct A { @@ -213,6 +217,7 @@ namespace Test10 { // because A's key function is defined here, vtable is generated in this TU // CHECK-TEST10-DAG: @_ZTVN6Test101AE = unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test101AE = unnamed_addr constant struct A { virtual void foo(); virtual void bar(); @@ -221,6 +226,7 @@ void A::foo() {} // Because key function is inline we will generate vtable as linkonce_odr. // CHECK-TEST10-DAG: @_ZTVN6Test101DE = linkonce_odr unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test101DE = linkonce_odr unnamed_addr constant struct D : A { void bar(); }; @@ -237,6 +243,7 @@ struct B : A { // can't guarantee that we will be able to refer to bar from name // so (at the moment) we can't emit vtable available_externally. // CHECK-TEST10-DAG: @_ZTVN6Test101CE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test101CE = available_externally unnamed_addr constant struct C : A { void bar() {} // defined in body - not key function virtual inline void gar(); // inline in body - not key function @@ -245,6 +252,8 @@ struct C : A { // no key function, vtable will be generated everywhere it will be used // CHECK-TEST10-DAG: @_ZTVN6Test101EE = linkonce_odr unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test101EE = linkonce_odr unnamed_addr constant + struct E : A {}; void g(A& a) { @@ -298,11 +307,13 @@ void g() { namespace Test12 { // CHECK-TEST12: @_ZTVN6Test121AE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test121AE = available_externally unnamed_addr constant struct A { virtual void foo(); virtual ~A() {} }; // CHECK-TEST12: @_ZTVN6Test121BE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test121BE = available_externally unnamed_addr constant struct B : A { void foo(); }; @@ -319,6 +330,9 @@ namespace Test13 { // CHECK-TEST13-DAG: @_ZTVN6Test131AE = available_externally unnamed_addr constant // CHECK-TEST13-DAG: @_ZTVN6Test131BE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test131AE = available_externally unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test131BE = available_externally unnamed_addr constant + struct A { virtual ~A(); }; @@ -371,6 +385,8 @@ namespace Test16 { // generate available_externally vtable for it. // CHECK-TEST16-DAG: @_ZTVN6Test161SE = external unnamed_addr constant // CHECK-TEST16-DAG: @_ZTVN6Test162S2E = available_externally +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test161SE = external unnamed_addr constant +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test162S2E = available_externally struct S { __attribute__((visibility("hidden"))) virtual void doStuff(); @@ -395,6 +411,10 @@ namespace Test17 { // This test checks if we emit vtables opportunistically. // CHECK-TEST17-DAG: @_ZTVN6Test171AE = available_externally // CHECK-TEST17-DAG: @_ZTVN6Test171BE = external +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test171AE = available_externally +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test171BE = available_externally +// CHECK-FORCE-EMIT-DAG: define linkonce_odr void @_ZN6Test171BD2Ev( +// CHECK-FORCE-EMIT-DAG: define linkonce_odr void @_ZN6Test171BD0Ev( struct A { virtual void key(); @@ -418,3 +438,111 @@ void testcaseB() { } } // namespace Test17 + +namespace Test18 { +// Here vtable will be only emitted because it is referenced by assume-load +// after the Derived construction. +// CHECK-FORCE-EMIT-DAG: @_ZTVN6Test187DerivedE = linkonce_odr unnamed_addr constant {{.*}} @_ZTIN6Test187DerivedE {{.*}} @_ZN6Test184Base3funEv {{.*}} @_ZN6Test184BaseD2Ev {{.*}} @_ZN6Test187DerivedD0Ev +// CHECK-FORCE-EMIT-DAG: define linkonce_odr void @_ZN6Test187DerivedD0Ev +// CHECK-FORCE-EMIT-DAG: define linkonce_odr void @_ZN6Test184BaseD2Ev +// CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN6Test184Base3funEv +// CHECK-FORCE-EMIT-DAG: @_ZTIN6Test187DerivedE = linkonce_odr constant + +struct Base { + virtual int fun() { return 42; } + virtual ~Base() { } +}; + +struct Derived : Base { + Derived(); +}; + +int foo() { + Derived *der = new Derived(); + return der->fun(); +} +} + +namespace TestTemplates { + +// CHECK-FORCE-EMIT-DAG: @_ZTVN13TestTemplates8TemplateIiEE = linkonce_odr unnamed_addr constant {{.*}} @_ZTIN13TestTemplates8TemplateIiEE {{.*}} @_ZN13TestTemplates8TemplateIiE3fooEi {{.*}}@_ZN13TestTemplates8TemplateIiE22thisShouldBeEmittedTooEi {{.*}}@_ZN13TestTemplates8TemplateIiED1Ev {{.*}}@_ZN13TestTemplates8TemplateIiED0Ev +// CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates8TemplateIiE22thisShouldBeEmittedTooEi + +template<class T> +struct Template { + Template(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates8TemplateIiE22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~Template(); +}; + + +struct NonTemplate { + typedef int T; + NonTemplate(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates11NonTemplate22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~NonTemplate(); +}; + +// CHECK-FORCE-EMIT-DAG: @_ZTVN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiEE = linkonce_odr {{.*}} @_ZTIN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiEE {{.*}} @_ZN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiE3fooEi {{.*}} @_ZN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiE22thisShouldBeEmittedTooEi {{.*}} @_ZN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiED1Ev {{.*}} @_ZN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiED0Ev + +struct OuterNonTemplate { + template<class T> + struct NestedTemplateInNonTemplate { + NestedTemplateInNonTemplate(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates16OuterNonTemplate27NestedTemplateInNonTemplateIiE22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~NestedTemplateInNonTemplate(); + }; + + struct NestedNonTemplateInNonTemplate { + typedef int T; + NestedNonTemplateInNonTemplate(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates16OuterNonTemplate30NestedNonTemplateInNonTemplate22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~NestedNonTemplateInNonTemplate(); + }; +}; + +template<class> +struct OuterTemplate { + template<class T> + struct NestedTemplateInTemplate { + NestedTemplateInTemplate(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates13OuterTemplateIlE24NestedTemplateInTemplateIiE22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~NestedTemplateInTemplate(); + }; + + struct NestedNonTemplateInTemplate { + typedef int T; + NestedNonTemplateInTemplate(); + virtual T foo(T val); + // CHECK-FORCE-EMIT-DAG: define linkonce_odr i32 @_ZN13TestTemplates13OuterTemplateIlE27NestedNonTemplateInTemplate22thisShouldBeEmittedTooEi + virtual T thisShouldBeEmittedToo(T val) { return val; } + virtual ~NestedNonTemplateInTemplate(); + }; +}; + +template<class T> +int use() { + T *ptr = new T(); + return ptr->foo(42); +} + +void test() { + use<Template<int> >(); + use<OuterTemplate<long>::NestedTemplateInTemplate<int> >(); + use<OuterNonTemplate::NestedTemplateInNonTemplate<int> >(); + + use<NonTemplate>(); + use<OuterTemplate<long>::NestedNonTemplateInTemplate>(); + use<OuterNonTemplate::NestedNonTemplateInNonTemplate>(); +} +} |