diff options
Diffstat (limited to 'clang/test/CodeGen/call-graph-section-templates.cpp')
| -rw-r--r-- | clang/test/CodeGen/call-graph-section-templates.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/clang/test/CodeGen/call-graph-section-templates.cpp b/clang/test/CodeGen/call-graph-section-templates.cpp new file mode 100644 index 0000000..39030d2 --- /dev/null +++ b/clang/test/CodeGen/call-graph-section-templates.cpp @@ -0,0 +1,117 @@ +// Tests that we assign appropriate identifiers to indirect calls and targets +// specifically for C++ templates. + +// RUN: %clang_cc1 -triple x86_64-unknown-linux -fexperimental-call-graph-section \ +// RUN: -emit-llvm -o %t %s +// RUN: FileCheck --check-prefix=FT %s < %t +// RUN: FileCheck --check-prefix=CST %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-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f1Ev( + // FT-SAME: {{.*}} !type [[F_TCLS2F1:![0-9]+]] + void f1() {} + + // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f2ES0_( + // FT-SAME: {{.*}} !type [[F_TCLS2F2:![0-9]+]] + void f2(T a) {} + + // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f3EPS0_( + // FT-SAME: {{.*}} !type [[F_TCLS2F3:![0-9]+]] + void f3(T *a) {} + + // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f4EPKS0_( + // FT-SAME: {{.*}} !type [[F_TCLS2F4:![0-9]+]] + void f4(const T *a) {} + + // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f5ERS0_( + // FT-SAME: {{.*}} !type [[F_TCLS2F5:![0-9]+]] + void f5(T &a) {} + + // FT-LABEL: define {{.*}} void @_ZN4Cls2I4Cls1E2f6ERKS0_( + // FT-SAME: {{.*}} !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: [[F_TCLS2F1]] = !{i64 0, !"_ZTSFvvE.generalized"} +// FT: [[F_TCLS2F2]] = !{i64 0, !"_ZTSFv4Cls1E.generalized"} +// FT: [[F_TCLS2F3]] = !{i64 0, !"_ZTSFvP4Cls1E.generalized"} +// FT: [[F_TCLS2F4]] = !{i64 0, !"_ZTSFvPK4Cls1E.generalized"} +// FT: [[F_TCLS2F5]] = !{i64 0, !"_ZTSFvR4Cls1E.generalized"} +// FT: [[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 +// CST-SAME: {{.*}} !type [[F_TCLS2F1:![0-9]+]] +void foo() { + // Methods for Cls2<Cls1> is checked above within the template description. + Cls2<Cls1> Obj; + + Obj.fp = T_func<Cls1>; + Cls1 Cls1Obj; + + // CST: call noundef ptr %{{.*}}, !callee_type [[F_TFUNC_CLS1_CT:![0-9]+]] + 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 %{{.*}}, !callee_type [[F_TCLS2F1_CT:![0-9]+]] + (Obj2Ptr->*fp_f1)(); + + // CST: call void %{{.*}}, !callee_type [[F_TCLS2F2_CT:![0-9]+]] + (Obj2Ptr->*fp_f2)(Cls1Obj); + + // CST: call void %{{.*}}, !callee_type [[F_TCLS2F3_CT:![0-9]+]] + (Obj2Ptr->*fp_f3)(&Cls1Obj); + + // CST: call void %{{.*}}, !callee_type [[F_TCLS2F4_CT:![0-9]+]] + (Obj2Ptr->*fp_f4)(&Cls1Obj); + + // CST: call void %{{.*}}, !callee_type [[F_TCLS2F5_CT:![0-9]+]] + (Obj2Ptr->*fp_f5)(Cls1Obj); + + // CST: call void %{{.*}}, !callee_type [[F_TCLS2F6_CT:![0-9]+]] + (Obj2Ptr->*fp_f6)(Cls1Obj); +} + +// CST-LABEL: define {{.*}} @_Z6T_funcI4Cls1EPT_S1_S2_PKS1_RS1_RS3_( +// CST-SAME: {{.*}} !type [[F_TFUNC_CLS1:![0-9]+]] + +// CST: [[F_TCLS2F1]] = !{i64 0, !"_ZTSFvvE.generalized"} +// CST: [[F_TFUNC_CLS1_CT]] = !{[[F_TFUNC_CLS1:![0-9]+]]} +// CST: [[F_TFUNC_CLS1]] = !{i64 0, !"_ZTSFP4Cls1S_S0_PKS_RS_RS1_E.generalized"} +// CST: [[F_TCLS2F1_CT]] = !{[[F_TCLS2F1:![0-9]+]]} +// CST: [[F_TCLS2F2_CT]] = !{[[F_TCLS2F2:![0-9]+]]} +// CST: [[F_TCLS2F2]] = !{i64 0, !"_ZTSFv4Cls1E.generalized"} +// CST: [[F_TCLS2F3_CT]] = !{[[F_TCLS2F3:![0-9]+]]} +// CST: [[F_TCLS2F3]] = !{i64 0, !"_ZTSFvP4Cls1E.generalized"} +// CST: [[F_TCLS2F4_CT]] = !{[[F_TCLS2F4:![0-9]+]]} +// CST: [[F_TCLS2F4]] = !{i64 0, !"_ZTSFvPK4Cls1E.generalized"} +// CST: [[F_TCLS2F5_CT]] = !{[[F_TCLS2F5:![0-9]+]]} +// CST: [[F_TCLS2F5]] = !{i64 0, !"_ZTSFvR4Cls1E.generalized"} +// CST: [[F_TCLS2F6_CT]] = !{[[F_TCLS2F6:![0-9]+]]} +// CST: [[F_TCLS2F6]] = !{i64 0, !"_ZTSFvRK4Cls1E.generalized"} |