| // Test that correct vtable ptr and type metadata are passed to llvm.type.test |
| // Related to Bugzilla 43390. |
| |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility hidden -std=c++11 -fsanitize=cfi-nvcall -emit-llvm -o - %s | FileCheck %s |
| |
| class A1 { |
| public: |
| virtual int f1() = 0; |
| }; |
| |
| class A2 { |
| public: |
| virtual int f2() = 0; |
| }; |
| |
| |
| class B : public A1, public A2 { |
| public: |
| int f2() final { return 1; } |
| int f1() final { return 2; } |
| }; |
| |
| // CHECK-LABEL: define hidden i32 @_Z3foov |
| int foo() { |
| B b; |
| return static_cast<A2*>(&b)->f2(); |
| // CHECK: [[P:%[^ ]*]] = bitcast %class.B* %b to i8** |
| // CHECK: [[V:%[^ ]*]] = load i8*, i8** [[P]], align 8 |
| // CHECK: call i1 @llvm.type.test(i8* [[V]], metadata !"_ZTS1B") |
| // CHECK: call i1 @llvm.type.test(i8* [[V]], metadata !"all-vtables") |
| } |
