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// Tests that we assign appropriate identifiers to indirect calls and targets
// specifically for C++ templates.
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fcall-graph-section -S \
// RUN: -emit-llvm -o %t %s
// RUN: FileCheck --check-prefix=FT %s < %t
// RUN: FileCheck --check-prefix=CST %s < %t
// RUN: FileCheck --check-prefix=CHECK %s < %t
////////////////////////////////////////////////////////////////////////////////
// Class definitions and template classes (check for indirect target metadata)
class Cls1 {};
// Cls2 is instantiated with T=Cls1 in foo(). Following checks are for this
// instantiation.
template <class T>
class Cls2 {
public:
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f1Ev({{.*}} !type [[F_TCLS2F1:![0-9]+]]
void f1() {}
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f2ES0_({{.*}} !type [[F_TCLS2F2:![0-9]+]]
void f2(T a) {}
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f3EPS0_({{.*}} !type [[F_TCLS2F3:![0-9]+]]
void f3(T *a) {}
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f4EPKS0_({{.*}} !type [[F_TCLS2F4:![0-9]+]]
void f4(const T *a) {}
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f5ERS0_({{.*}} !type [[F_TCLS2F5:![0-9]+]]
void f5(T &a) {}
// FT: define {{.*}} void @_ZN4Cls2I4Cls1E2f6ERKS0_({{.*}} !type [[F_TCLS2F6:![0-9]+]]
void f6(const T &a) {}
// Mixed type function pointer member
T *(*fp)(T a, T *b, const T *c, T &d, const T &e);
};
// FT-DAG: [[F_TCLS2F1]] = !{i64 0, !"_ZTSFvvE.generalized"}
// FT-DAG: [[F_TCLS2F2]] = !{i64 0, !"_ZTSFv4Cls1E.generalized"}
// FT-DAG: [[F_TCLS2F3]] = !{i64 0, !"_ZTSFvPvE.generalized"}
// FT-DAG: [[F_TCLS2F4]] = !{i64 0, !"_ZTSFvPKvE.generalized"}
// FT-DAG: [[F_TCLS2F5]] = !{i64 0, !"_ZTSFvR4Cls1E.generalized"}
// FT-DAG: [[F_TCLS2F6]] = !{i64 0, !"_ZTSFvRK4Cls1E.generalized"}
////////////////////////////////////////////////////////////////////////////////
// Callsites (check for indirect callsite operand bundles)
template <class T>
T *T_func(T a, T *b, const T *c, T &d, const T &e) { return b; }
// CST-LABEL: define {{.*}} @_Z3foov
void foo() {
// Methods for Cls2<Cls1> is checked above within the template description.
Cls2<Cls1> Obj;
// CHECK-DAG: define {{.*}} @_Z6T_funcI4Cls1EPT_S1_S2_PKS1_RS1_RS3_({{.*}} !type [[F_TFUNC_CLS1:![0-9]+]]
// CHECK-DAG: [[F_TFUNC_CLS1]] = !{i64 0, !"_ZTSFPv4Cls1S_PKvRS0_RKS0_E.generalized"}
Obj.fp = T_func<Cls1>;
Cls1 Cls1Obj;
// CST: call noundef ptr %{{.*}} [ "type"(metadata !"_ZTSFPv4Cls1S_PKvRS0_RKS0_E.generalized") ]
Obj.fp(Cls1Obj, &Cls1Obj, &Cls1Obj, Cls1Obj, Cls1Obj);
// Make indirect calls to Cls2's member methods
auto fp_f1 = &Cls2<Cls1>::f1;
auto fp_f2 = &Cls2<Cls1>::f2;
auto fp_f3 = &Cls2<Cls1>::f3;
auto fp_f4 = &Cls2<Cls1>::f4;
auto fp_f5 = &Cls2<Cls1>::f5;
auto fp_f6 = &Cls2<Cls1>::f6;
auto *Obj2Ptr = &Obj;
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFvvE.generalized") ]
(Obj2Ptr->*fp_f1)();
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFv4Cls1E.generalized") ]
(Obj2Ptr->*fp_f2)(Cls1Obj);
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFvPvE.generalized") ]
(Obj2Ptr->*fp_f3)(&Cls1Obj);
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFvPKvE.generalized") ]
(Obj2Ptr->*fp_f4)(&Cls1Obj);
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFvR4Cls1E.generalized") ]
(Obj2Ptr->*fp_f5)(Cls1Obj);
// CST: call void %{{.*}} [ "type"(metadata !"_ZTSFvRK4Cls1E.generalized") ]
(Obj2Ptr->*fp_f6)(Cls1Obj);
}
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