xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/key-function-vtable.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-none-linux-gnu %s -emit-llvm -o - | FileCheck %s
2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple arm-apple-darwin %s -emit-llvm -o - | FileCheck %s
3*f4a2713aSLionel Sambuc 
4*f4a2713aSLionel Sambuc // Simple key function test
5*f4a2713aSLionel Sambuc struct testa { virtual void a(); };
a()6*f4a2713aSLionel Sambuc void testa::a() {}
7*f4a2713aSLionel Sambuc 
8*f4a2713aSLionel Sambuc // Simple key function test
atestb9*f4a2713aSLionel Sambuc struct testb { virtual void a() {} };
10*f4a2713aSLionel Sambuc testb *testbvar = new testb;
11*f4a2713aSLionel Sambuc 
12*f4a2713aSLionel Sambuc // Key function with out-of-line inline definition
13*f4a2713aSLionel Sambuc struct testc { virtual void a(); };
a()14*f4a2713aSLionel Sambuc inline void testc::a() {}
15*f4a2713aSLionel Sambuc 
16*f4a2713aSLionel Sambuc // Functions with inline specifier are not key functions (PR5705)
17*f4a2713aSLionel Sambuc struct testd { inline virtual void a(); };
a()18*f4a2713aSLionel Sambuc void testd::a() {}
19*f4a2713aSLionel Sambuc 
20*f4a2713aSLionel Sambuc // Functions with inline specifier are not key functions (PR5705)
21*f4a2713aSLionel Sambuc struct teste { inline virtual void a(); };
22*f4a2713aSLionel Sambuc teste *testevar = new teste;
23*f4a2713aSLionel Sambuc 
24*f4a2713aSLionel Sambuc // Key functions with namespace (PR5711)
25*f4a2713aSLionel Sambuc namespace {
26*f4a2713aSLionel Sambuc   struct testf { virtual void a(); };
27*f4a2713aSLionel Sambuc }
a()28*f4a2713aSLionel Sambuc void testf::a() {}
29*f4a2713aSLionel Sambuc 
30*f4a2713aSLionel Sambuc // Key functions with namespace (PR5711)
31*f4a2713aSLionel Sambuc namespace {
32*f4a2713aSLionel Sambuc   struct testg { virtual void a(); };
33*f4a2713aSLionel Sambuc }
a()34*f4a2713aSLionel Sambuc void testg::a() {}
35*f4a2713aSLionel Sambuc testg *testgvar = new testg;
36*f4a2713aSLionel Sambuc 
37*f4a2713aSLionel Sambuc struct X0 { virtual ~X0(); };
38*f4a2713aSLionel Sambuc struct X1 : X0 {
39*f4a2713aSLionel Sambuc   virtual void f();
40*f4a2713aSLionel Sambuc };
41*f4a2713aSLionel Sambuc 
f()42*f4a2713aSLionel Sambuc inline void X1::f() { }
43*f4a2713aSLionel Sambuc 
use_X1(X1 * x1)44*f4a2713aSLionel Sambuc void use_X1(X1 *x1) { x1->f(); }
45*f4a2713aSLionel Sambuc 
46*f4a2713aSLionel Sambuc // FIXME: The checks are extremely difficult to get right when the globals
47*f4a2713aSLionel Sambuc // aren't alphabetized
48*f4a2713aSLionel Sambuc // CHECK: @_ZTV2X1 = linkonce_odr unnamed_addr constant
49*f4a2713aSLionel Sambuc // CHECK: @_ZTV5testa = unnamed_addr constant [3 x i8*] [i8* null
50*f4a2713aSLionel Sambuc // CHECK: @_ZTV5testc = linkonce_odr unnamed_addr constant [3 x i8*] [i8* null
51*f4a2713aSLionel Sambuc // CHECK: @_ZTVN12_GLOBAL__N_15testgE = internal unnamed_addr constant [3 x i8*] [i8* null
52*f4a2713aSLionel Sambuc // CHECK: @_ZTV5teste = linkonce_odr unnamed_addr constant [3 x i8*] [i8* null
53*f4a2713aSLionel Sambuc // CHECK: @_ZTV5testb = linkonce_odr unnamed_addr constant [3 x i8*] [i8* null
54