118 lines · cpp
1// Tests that we assign appropriate identifiers to indirect calls and targets2// specifically for C++ templates.3 4// RUN: %clang_cc1 -triple x86_64-unknown-linux -fexperimental-call-graph-section \5// RUN: -emit-llvm -o %t %s6// RUN: FileCheck --check-prefix=FT %s < %t7// RUN: FileCheck --check-prefix=CST %s < %t8 9////////////////////////////////////////////////////////////////////////////////10// Class definitions and template classes (check for indirect target metadata)11 12class Cls1 {};13 14// Cls2 is instantiated with T=Cls1 in foo(). Following checks are for this15// instantiation.16template <class T>17class Cls2 {18public:19 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f1Ev(20 // FT-SAME: {{.*}} !type [[F_TCLS2F1:![0-9]+]]21 void f1() {}22 23 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f2ES0_(24 // FT-SAME: {{.*}} !type [[F_TCLS2F2:![0-9]+]]25 void f2(T a) {}26 27 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f3EPS0_(28 // FT-SAME: {{.*}} !type [[F_TCLS2F3:![0-9]+]]29 void f3(T *a) {}30 31 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f4EPKS0_(32 // FT-SAME: {{.*}} !type [[F_TCLS2F4:![0-9]+]]33 void f4(const T *a) {}34 35 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f5ERS0_(36 // FT-SAME: {{.*}} !type [[F_TCLS2F5:![0-9]+]]37 void f5(T &a) {}38 39 // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f6ERKS0_(40 // FT-SAME: {{.*}} !type [[F_TCLS2F6:![0-9]+]]41 void f6(const T &a) {}42 43 // Mixed type function pointer member44 T *(*fp)(T a, T *b, const T *c, T &d, const T &e);45};46 47// FT: [[F_TCLS2F1]] = !{i64 0, !"_ZTSFvvE.generalized"}48// FT: [[F_TCLS2F2]] = !{i64 0, !"_ZTSFv4Cls1E.generalized"}49// FT: [[F_TCLS2F3]] = !{i64 0, !"_ZTSFvP4Cls1E.generalized"}50// FT: [[F_TCLS2F4]] = !{i64 0, !"_ZTSFvPK4Cls1E.generalized"}51// FT: [[F_TCLS2F5]] = !{i64 0, !"_ZTSFvR4Cls1E.generalized"}52// FT: [[F_TCLS2F6]] = !{i64 0, !"_ZTSFvRK4Cls1E.generalized"}53 54////////////////////////////////////////////////////////////////////////////////55// Callsites (check for indirect callsite operand bundles)56 57template <class T>58T *T_func(T a, T *b, const T *c, T &d, const T &e) { return b; }59 60// CST-LABEL: define {{.*}} @_Z3foov61// CST-SAME: {{.*}} !type [[F_TCLS2F1:![0-9]+]]62void foo() {63 // Methods for Cls2<Cls1> is checked above within the template description.64 Cls2<Cls1> Obj;65 66 Obj.fp = T_func<Cls1>;67 Cls1 Cls1Obj;68 69 // CST: call noundef ptr %{{.*}}, !callee_type [[F_TFUNC_CLS1_CT:![0-9]+]]70 Obj.fp(Cls1Obj, &Cls1Obj, &Cls1Obj, Cls1Obj, Cls1Obj);71 72 // Make indirect calls to Cls2's member methods73 auto fp_f1 = &Cls2<Cls1>::f1;74 auto fp_f2 = &Cls2<Cls1>::f2;75 auto fp_f3 = &Cls2<Cls1>::f3;76 auto fp_f4 = &Cls2<Cls1>::f4;77 auto fp_f5 = &Cls2<Cls1>::f5;78 auto fp_f6 = &Cls2<Cls1>::f6;79 80 auto *Obj2Ptr = &Obj;81 82 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F1_CT:![0-9]+]]83 (Obj2Ptr->*fp_f1)();84 85 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F2_CT:![0-9]+]]86 (Obj2Ptr->*fp_f2)(Cls1Obj);87 88 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F3_CT:![0-9]+]]89 (Obj2Ptr->*fp_f3)(&Cls1Obj);90 91 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F4_CT:![0-9]+]]92 (Obj2Ptr->*fp_f4)(&Cls1Obj);93 94 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F5_CT:![0-9]+]]95 (Obj2Ptr->*fp_f5)(Cls1Obj);96 97 // CST: call void %{{.*}}, !callee_type [[F_TCLS2F6_CT:![0-9]+]]98 (Obj2Ptr->*fp_f6)(Cls1Obj);99}100 101// CST-LABEL: define {{.*}} @_Z6T_funcI4Cls1EPT_S1_S2_PKS1_RS1_RS3_(102// CST-SAME: {{.*}} !type [[F_TFUNC_CLS1:![0-9]+]]103 104// CST: [[F_TCLS2F1]] = !{i64 0, !"_ZTSFvvE.generalized"}105// CST: [[F_TFUNC_CLS1_CT]] = !{[[F_TFUNC_CLS1:![0-9]+]]}106// CST: [[F_TFUNC_CLS1]] = !{i64 0, !"_ZTSFP4Cls1S_S0_PKS_RS_RS1_E.generalized"}107// CST: [[F_TCLS2F1_CT]] = !{[[F_TCLS2F1:![0-9]+]]}108// CST: [[F_TCLS2F2_CT]] = !{[[F_TCLS2F2:![0-9]+]]}109// CST: [[F_TCLS2F2]] = !{i64 0, !"_ZTSFv4Cls1E.generalized"}110// CST: [[F_TCLS2F3_CT]] = !{[[F_TCLS2F3:![0-9]+]]}111// CST: [[F_TCLS2F3]] = !{i64 0, !"_ZTSFvP4Cls1E.generalized"}112// CST: [[F_TCLS2F4_CT]] = !{[[F_TCLS2F4:![0-9]+]]}113// CST: [[F_TCLS2F4]] = !{i64 0, !"_ZTSFvPK4Cls1E.generalized"}114// CST: [[F_TCLS2F5_CT]] = !{[[F_TCLS2F5:![0-9]+]]}115// CST: [[F_TCLS2F5]] = !{i64 0, !"_ZTSFvR4Cls1E.generalized"}116// CST: [[F_TCLS2F6_CT]] = !{[[F_TCLS2F6:![0-9]+]]}117// CST: [[F_TCLS2F6]] = !{i64 0, !"_ZTSFvRK4Cls1E.generalized"}118