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-rw-r--r--test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp279
1 files changed, 159 insertions, 120 deletions
diff --git a/test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp b/test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp
index 6fe12b0ef07b..d453f5c55aed 100644
--- a/test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp
+++ b/test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp
@@ -1,29 +1,17 @@
-// RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -fdump-vtable-layouts -o %t.ll > %t
+// RUN: %clang_cc1 %s -fno-rtti -triple=i386-pc-win32 -emit-llvm -fdump-vtable-layouts -o %t.ll > %t
// RUN: FileCheck --check-prefix=EMITS-VFTABLE %s < %t.ll
// RUN: FileCheck --check-prefix=NO-VFTABLE %s < %t.ll
-// RUN: FileCheck --check-prefix=CHECK-A %s < %t
-// RUN: FileCheck --check-prefix=CHECK-B %s < %t
-// RUN: FileCheck --check-prefix=CHECK-C %s < %t
-// RUN: FileCheck --check-prefix=CHECK-D %s < %t
-// RUN: FileCheck --check-prefix=CHECK-E %s < %t
-// RUN: FileCheck --check-prefix=CHECK-F %s < %t
-// RUN: FileCheck --check-prefix=CHECK-G %s < %t
-// RUN: FileCheck --check-prefix=CHECK-I %s < %t
-// RUN: FileCheck --check-prefix=CHECK-J %s < %t
-// RUN: FileCheck --check-prefix=CHECK-K %s < %t
-// RUN: FileCheck --check-prefix=CHECK-L %s < %t
-// RUN: FileCheck --check-prefix=CHECK-M %s < %t
-// RUN: FileCheck --check-prefix=CHECK-N %s < %t
+// RUN: FileCheck %s < %t
struct A {
- // CHECK-A: VFTable for 'A' (3 entries)
- // CHECK-A-NEXT: 0 | void A::f()
- // CHECK-A-NEXT: 1 | void A::g()
- // CHECK-A-NEXT: 2 | void A::h()
- // CHECK-A: VFTable indices for 'A' (3 entries)
- // CHECK-A-NEXT: 0 | void A::f()
- // CHECK-A-NEXT: 1 | void A::g()
- // CHECK-A-NEXT: 2 | void A::h()
+ // CHECK-LABEL: VFTable for 'A' (3 entries)
+ // CHECK-NEXT: 0 | void A::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
+ // CHECK-LABEL: VFTable indices for 'A' (3 entries)
+ // CHECK-NEXT: 0 | void A::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
virtual void f();
virtual void g();
@@ -32,18 +20,19 @@ struct A {
};
A a;
// EMITS-VFTABLE-DAG: @"\01??_7A@@6B@" = linkonce_odr unnamed_addr constant [3 x i8*]
+void use(A *obj) { obj->f(); }
struct B : A {
- // CHECK-B: VFTable for 'A' in 'B' (5 entries)
- // CHECK-B-NEXT: 0 | void B::f()
- // CHECK-B-NEXT: 1 | void A::g()
- // CHECK-B-NEXT: 2 | void A::h()
- // CHECK-B-NEXT: 3 | void B::i()
- // CHECK-B-NEXT: 4 | void B::j()
- // CHECK-B: VFTable indices for 'B' (3 entries)
- // CHECK-B-NEXT: 0 | void B::f()
- // CHECK-B-NEXT: 3 | void B::i()
- // CHECK-B-NEXT: 4 | void B::j()
+ // CHECK-LABEL: VFTable for 'A' in 'B' (5 entries)
+ // CHECK-NEXT: 0 | void B::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
+ // CHECK-NEXT: 3 | void B::i()
+ // CHECK-NEXT: 4 | void B::j()
+ // CHECK-LABEL: VFTable indices for 'B' (3 entries)
+ // CHECK-NEXT: 0 | void B::f()
+ // CHECK-NEXT: 3 | void B::i()
+ // CHECK-NEXT: 4 | void B::j()
virtual void f(); // overrides A::f()
virtual void i();
@@ -51,45 +40,48 @@ struct B : A {
};
B b;
// EMITS-VFTABLE-DAG: @"\01??_7B@@6B@" = linkonce_odr unnamed_addr constant [5 x i8*]
+void use(B *obj) { obj->f(); }
struct C {
- // CHECK-C: VFTable for 'C' (2 entries)
- // CHECK-C-NEXT: 0 | C::~C() [scalar deleting]
- // CHECK-C-NEXT: 1 | void C::f()
- // CHECK-C: VFTable indices for 'C' (2 entries).
- // CHECK-C-NEXT: 0 | C::~C() [scalar deleting]
- // CHECK-C-NEXT: 1 | void C::f()
+ // CHECK-LABEL: VFTable for 'C' (2 entries)
+ // CHECK-NEXT: 0 | C::~C() [scalar deleting]
+ // CHECK-NEXT: 1 | void C::f()
+ // CHECK-LABEL: VFTable indices for 'C' (2 entries).
+ // CHECK-NEXT: 0 | C::~C() [scalar deleting]
+ // CHECK-NEXT: 1 | void C::f()
virtual ~C();
virtual void f();
};
void C::f() {}
// NO-VFTABLE-NOT: @"\01??_7C@@6B@"
+void use(C *obj) { obj->f(); }
struct D {
- // CHECK-D: VFTable for 'D' (2 entries)
- // CHECK-D-NEXT: 0 | void D::f()
- // CHECK-D-NEXT: 1 | D::~D() [scalar deleting]
- // CHECK-D: VFTable indices for 'D' (2 entries)
- // CHECK-D-NEXT: 0 | void D::f()
- // CHECK-D-NEXT: 1 | D::~D() [scalar deleting]
+ // CHECK-LABEL: VFTable for 'D' (2 entries)
+ // CHECK-NEXT: 0 | void D::f()
+ // CHECK-NEXT: 1 | D::~D() [scalar deleting]
+ // CHECK-LABEL: VFTable indices for 'D' (2 entries)
+ // CHECK-NEXT: 0 | void D::f()
+ // CHECK-NEXT: 1 | D::~D() [scalar deleting]
virtual void f();
virtual ~D();
};
D d;
// EMITS-VFTABLE-DAG: @"\01??_7D@@6B@" = linkonce_odr unnamed_addr constant [2 x i8*]
+void use(D *obj) { obj->f(); }
struct E : A {
- // CHECK-E: VFTable for 'A' in 'E' (5 entries)
- // CHECK-E-NEXT: 0 | void A::f()
- // CHECK-E-NEXT: 1 | void A::g()
- // CHECK-E-NEXT: 2 | void A::h()
- // CHECK-E-NEXT: 3 | E::~E() [scalar deleting]
- // CHECK-E-NEXT: 4 | void E::i()
- // CHECK-E: VFTable indices for 'E' (2 entries).
- // CHECK-E-NEXT: 3 | E::~E() [scalar deleting]
- // CHECK-E-NEXT: 4 | void E::i()
+ // CHECK-LABEL: VFTable for 'A' in 'E' (5 entries)
+ // CHECK-NEXT: 0 | void A::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
+ // CHECK-NEXT: 3 | E::~E() [scalar deleting]
+ // CHECK-NEXT: 4 | void E::i()
+ // CHECK-LABEL: VFTable indices for 'E' (2 entries).
+ // CHECK-NEXT: 3 | E::~E() [scalar deleting]
+ // CHECK-NEXT: 4 | void E::i()
// ~E would be the key method, but it isn't used, and MS ABI has no key
// methods.
@@ -98,36 +90,38 @@ struct E : A {
};
void E::i() {}
// NO-VFTABLE-NOT: @"\01??_7E@@6B@"
+void use(E *obj) { obj->i(); }
struct F : A {
- // CHECK-F: VFTable for 'A' in 'F' (5 entries)
- // CHECK-F-NEXT: 0 | void A::f()
- // CHECK-F-NEXT: 1 | void A::g()
- // CHECK-F-NEXT: 2 | void A::h()
- // CHECK-F-NEXT: 3 | void F::i()
- // CHECK-F-NEXT: 4 | F::~F() [scalar deleting]
- // CHECK-F: VFTable indices for 'F' (2 entries).
- // CHECK-F-NEXT: 3 | void F::i()
- // CHECK-F-NEXT: 4 | F::~F() [scalar deleting]
+ // CHECK-LABEL: VFTable for 'A' in 'F' (5 entries)
+ // CHECK-NEXT: 0 | void A::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
+ // CHECK-NEXT: 3 | void F::i()
+ // CHECK-NEXT: 4 | F::~F() [scalar deleting]
+ // CHECK-LABEL: VFTable indices for 'F' (2 entries).
+ // CHECK-NEXT: 3 | void F::i()
+ // CHECK-NEXT: 4 | F::~F() [scalar deleting]
virtual void i();
virtual ~F();
};
F f;
// EMITS-VFTABLE-DAG: @"\01??_7F@@6B@" = linkonce_odr unnamed_addr constant [5 x i8*]
+void use(F *obj) { obj->i(); }
struct G : E {
- // CHECK-G: VFTable for 'A' in 'E' in 'G' (6 entries)
- // CHECK-G-NEXT: 0 | void G::f()
- // CHECK-G-NEXT: 1 | void A::g()
- // CHECK-G-NEXT: 2 | void A::h()
- // CHECK-G-NEXT: 3 | G::~G() [scalar deleting]
- // CHECK-G-NEXT: 4 | void E::i()
- // CHECK-G-NEXT: 5 | void G::j()
- // CHECK-G: VFTable indices for 'G' (3 entries).
- // CHECK-G-NEXT: 0 | void G::f()
- // CHECK-G-NEXT: 3 | G::~G() [scalar deleting]
- // CHECK-G-NEXT: 5 | void G::j()
+ // CHECK-LABEL: VFTable for 'A' in 'E' in 'G' (6 entries)
+ // CHECK-NEXT: 0 | void G::f()
+ // CHECK-NEXT: 1 | void A::g()
+ // CHECK-NEXT: 2 | void A::h()
+ // CHECK-NEXT: 3 | G::~G() [scalar deleting]
+ // CHECK-NEXT: 4 | void E::i()
+ // CHECK-NEXT: 5 | void G::j()
+ // CHECK-LABEL: VFTable indices for 'G' (3 entries).
+ // CHECK-NEXT: 0 | void G::f()
+ // CHECK-NEXT: 3 | G::~G() [scalar deleting]
+ // CHECK-NEXT: 5 | void G::j()
virtual void f(); // overrides A::f()
virtual ~G();
@@ -135,6 +129,7 @@ struct G : E {
};
void G::j() {}
// NO-VFTABLE-NOT: @"\01??_7G@@6B@"
+void use(G *obj) { obj->j(); }
// Test that the usual Itanium-style key method does not emit a vtable.
struct H {
@@ -146,23 +141,24 @@ void H::f() {}
struct Empty { };
struct I : Empty {
- // CHECK-I: VFTable for 'I' (2 entries)
- // CHECK-I-NEXT: 0 | void I::f()
- // CHECK-I-NEXT: 1 | void I::g()
+ // CHECK-LABEL: VFTable for 'I' (2 entries)
+ // CHECK-NEXT: 0 | void I::f()
+ // CHECK-NEXT: 1 | void I::g()
virtual void f();
virtual void g();
};
I i;
+void use(I *obj) { obj->f(); }
struct J {
- // CHECK-J: VFTable for 'J' (6 entries)
- // CHECK-J-NEXT: 0 | void J::foo(long)
- // CHECK-J-NEXT: 1 | void J::foo(int)
- // CHECK-J-NEXT: 2 | void J::foo(short)
- // CHECK-J-NEXT: 3 | void J::bar(long)
- // CHECK-J-NEXT: 4 | void J::bar(int)
- // CHECK-J-NEXT: 5 | void J::bar(short)
+ // CHECK-LABEL: VFTable for 'J' (6 entries)
+ // CHECK-NEXT: 0 | void J::foo(long)
+ // CHECK-NEXT: 1 | void J::foo(int)
+ // CHECK-NEXT: 2 | void J::foo(short)
+ // CHECK-NEXT: 3 | void J::bar(long)
+ // CHECK-NEXT: 4 | void J::bar(int)
+ // CHECK-NEXT: 5 | void J::bar(short)
virtual void foo(short);
virtual void bar(short);
virtual void foo(int);
@@ -172,36 +168,38 @@ struct J {
};
J j;
+void use(J *obj) { obj->foo(42); }
struct K : J {
- // CHECK-K: VFTable for 'J' in 'K' (9 entries)
- // CHECK-K-NEXT: 0 | void J::foo(long)
- // CHECK-K-NEXT: 1 | void J::foo(int)
- // CHECK-K-NEXT: 2 | void J::foo(short)
- // CHECK-K-NEXT: 3 | void J::bar(long)
- // CHECK-K-NEXT: 4 | void J::bar(int)
- // CHECK-K-NEXT: 5 | void J::bar(short)
- // CHECK-K-NEXT: 6 | void K::bar(double)
- // CHECK-K-NEXT: 7 | void K::bar(float)
- // CHECK-K-NEXT: 8 | void K::foo(float)
+ // CHECK-LABEL: VFTable for 'J' in 'K' (9 entries)
+ // CHECK-NEXT: 0 | void J::foo(long)
+ // CHECK-NEXT: 1 | void J::foo(int)
+ // CHECK-NEXT: 2 | void J::foo(short)
+ // CHECK-NEXT: 3 | void J::bar(long)
+ // CHECK-NEXT: 4 | void J::bar(int)
+ // CHECK-NEXT: 5 | void J::bar(short)
+ // CHECK-NEXT: 6 | void K::bar(double)
+ // CHECK-NEXT: 7 | void K::bar(float)
+ // CHECK-NEXT: 8 | void K::foo(float)
virtual void bar(float);
virtual void foo(float);
virtual void bar(double);
};
K k;
+void use(K *obj) { obj->foo(42.0f); }
struct L : J {
- // CHECK-L: VFTable for 'J' in 'L' (9 entries)
- // CHECK-L-NEXT: 0 | void J::foo(long)
- // CHECK-L-NEXT: 1 | void L::foo(int)
- // CHECK-L-NEXT: 2 | void J::foo(short)
- // CHECK-L-NEXT: 3 | void J::bar(long)
- // CHECK-L-NEXT: 4 | void J::bar(int)
- // CHECK-L-NEXT: 5 | void J::bar(short)
- // CHECK-L-NEXT: 6 | void L::foo(float)
- // CHECK-L-NEXT: 7 | void L::bar(double)
- // CHECK-L-NEXT: 8 | void L::bar(float)
+ // CHECK-LABEL: VFTable for 'J' in 'L' (9 entries)
+ // CHECK-NEXT: 0 | void J::foo(long)
+ // CHECK-NEXT: 1 | void L::foo(int)
+ // CHECK-NEXT: 2 | void J::foo(short)
+ // CHECK-NEXT: 3 | void J::bar(long)
+ // CHECK-NEXT: 4 | void J::bar(int)
+ // CHECK-NEXT: 5 | void J::bar(short)
+ // CHECK-NEXT: 6 | void L::foo(float)
+ // CHECK-NEXT: 7 | void L::bar(double)
+ // CHECK-NEXT: 8 | void L::bar(float)
// This case is interesting. Since the J::foo(int) override is the first method in
// the class, foo(float) precedes the bar(double) and bar(float) in the vftable.
@@ -212,20 +210,21 @@ struct L : J {
};
L l;
+void use(L *obj) { obj->foo(42.0f); }
struct M : J {
- // CHECK-M: VFTable for 'J' in 'M' (11 entries)
- // CHECK-M-NEXT: 0 | void J::foo(long)
- // CHECK-M-NEXT: 1 | void M::foo(int)
- // CHECK-M-NEXT: 2 | void J::foo(short)
- // CHECK-M-NEXT: 3 | void J::bar(long)
- // CHECK-M-NEXT: 4 | void J::bar(int)
- // CHECK-M-NEXT: 5 | void J::bar(short)
- // CHECK-M-NEXT: 6 | void M::foo(float)
- // CHECK-M-NEXT: 7 | void M::spam(long)
- // CHECK-M-NEXT: 8 | void M::spam(int)
- // CHECK-M-NEXT: 9 | void M::bar(double)
- // CHECK-M-NEXT: 10 | void M::bar(float)
+ // CHECK-LABEL: VFTable for 'J' in 'M' (11 entries)
+ // CHECK-NEXT: 0 | void J::foo(long)
+ // CHECK-NEXT: 1 | void M::foo(int)
+ // CHECK-NEXT: 2 | void J::foo(short)
+ // CHECK-NEXT: 3 | void J::bar(long)
+ // CHECK-NEXT: 4 | void J::bar(int)
+ // CHECK-NEXT: 5 | void J::bar(short)
+ // CHECK-NEXT: 6 | void M::foo(float)
+ // CHECK-NEXT: 7 | void M::spam(long)
+ // CHECK-NEXT: 8 | void M::spam(int)
+ // CHECK-NEXT: 9 | void M::bar(double)
+ // CHECK-NEXT: 10 | void M::bar(float)
virtual void foo(int);
virtual void spam(int);
@@ -236,13 +235,14 @@ struct M : J {
};
M m;
+void use(M *obj) { obj->foo(42.0f); }
struct N {
- // CHECK-N: VFTable for 'N' (4 entries)
- // CHECK-N-NEXT: 0 | void N::operator+(int)
- // CHECK-N-NEXT: 1 | void N::operator+(short)
- // CHECK-N-NEXT: 2 | void N::operator*(int)
- // CHECK-N-NEXT: 3 | void N::operator*(short)
+ // CHECK-LABEL: VFTable for 'N' (4 entries)
+ // CHECK-NEXT: 0 | void N::operator+(int)
+ // CHECK-NEXT: 1 | void N::operator+(short)
+ // CHECK-NEXT: 2 | void N::operator*(int)
+ // CHECK-NEXT: 3 | void N::operator*(short)
virtual void operator+(short);
virtual void operator*(short);
virtual void operator+(int);
@@ -250,3 +250,42 @@ struct N {
};
N n;
+void use(N *obj) { obj->operator+(42); }
+
+struct O { virtual A *f(); };
+struct P : O { virtual B *f(); };
+P p;
+void use(O *obj) { obj->f(); }
+void use(P *obj) { obj->f(); }
+// CHECK-LABEL: VFTable for 'O' (1 entry)
+// CHECK-NEXT: 0 | A *O::f()
+
+// CHECK-LABEL: VFTable for 'O' in 'P' (1 entry)
+// CHECK-NEXT: 0 | B *P::f()
+
+struct Q {
+ // CHECK-LABEL: VFTable for 'Q' (2 entries)
+ // CHECK-NEXT: 0 | void Q::foo(int)
+ // CHECK-NEXT: 1 | void Q::bar(int)
+ void foo(short);
+ void bar(short);
+ virtual void bar(int);
+ virtual void foo(int);
+};
+
+Q q;
+void use(Q *obj) { obj->foo(42); }
+
+// Inherited non-virtual overloads don't participate in the ordering.
+struct R : Q {
+ // CHECK-LABEL: VFTable for 'Q' in 'R' (4 entries)
+ // CHECK-NEXT: 0 | void Q::foo(int)
+ // CHECK-NEXT: 1 | void Q::bar(int)
+ // CHECK-NEXT: 2 | void R::bar(long)
+ // CHECK-NEXT: 3 | void R::foo(long)
+ virtual void bar(long);
+ virtual void foo(long);
+};
+
+R r;
+void use(R *obj) { obj->foo(42l); }
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 00:14:42 +0000