diff options
Diffstat (limited to 'clang/test/CodeGen/call-graph-section-3.cpp')
-rw-r--r-- | clang/test/CodeGen/call-graph-section-3.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/clang/test/CodeGen/call-graph-section-3.cpp b/clang/test/CodeGen/call-graph-section-3.cpp new file mode 100644 index 0000000..77bb110 --- /dev/null +++ b/clang/test/CodeGen/call-graph-section-3.cpp @@ -0,0 +1,52 @@ +// Tests that we assign appropriate identifiers to indirect calls and targets +// specifically for virtual methods. + +// 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 + +//////////////////////////////////////////////////////////////////////////////// +// Class definitions (check for indirect target metadata) + +class Base { +public: + // FT-DAG: define {{.*}} @_ZN4Base2vfEPc({{.*}} !type [[F_TVF:![0-9]+]] + virtual int vf(char *a) { return 0; }; +}; + +class Derived : public Base { +public: + // FT-DAG: define {{.*}} @_ZN7Derived2vfEPc({{.*}} !type [[F_TVF]] + int vf(char *a) override { return 1; }; +}; + +// FT-DAG: [[F_TVF]] = !{i64 0, !"_ZTSFiPvE.generalized"} + +//////////////////////////////////////////////////////////////////////////////// +// Callsites (check for indirect callsite operand bundles) + +// CST-LABEL: define {{.*}} @_Z3foov +void foo() { + auto B = Base(); + auto D = Derived(); + + Base *Bptr = &B; + Base *BptrToD = &D; + Derived *Dptr = &D; + + auto FpBaseVf = &Base::vf; + auto FpDerivedVf = &Derived::vf; + + // CST: call noundef i32 %{{.*}} [ "type"(metadata !"_ZTSFiPvE.generalized") ] + (Bptr->*FpBaseVf)(0); + + // CST: call noundef i32 %{{.*}} [ "type"(metadata !"_ZTSFiPvE.generalized") ] + (BptrToD->*FpBaseVf)(0); + + // CST: call noundef i32 %{{.*}} [ "type"(metadata !"_ZTSFiPvE.generalized") ] + (Dptr->*FpBaseVf)(0); + + // CST: call noundef i32 %{{.*}} [ "type"(metadata !"_ZTSFiPvE.generalized") ] + (Dptr->*FpDerivedVf)(0); +} |