1 // Test that correct vtable ptr and type metadata are passed to llvm.type.test 2 // Related to Bugzilla 43390. 3 4 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-unknown-linux -fvisibility hidden -std=c++11 -fsanitize=cfi-nvcall -emit-llvm -o - %s | FileCheck %s 5 6 class A1 { 7 public: 8 virtual int f1() = 0; 9 }; 10 11 class A2 { 12 public: 13 virtual int f2() = 0; 14 }; 15 16 17 class B : public A1, public A2 { 18 public: 19 int f2() final { return 1; } 20 int f1() final { return 2; } 21 }; 22 23 // CHECK-LABEL: define hidden noundef i32 @_Z3foov 24 int foo() { 25 B b; 26 return static_cast<A2*>(&b)->f2(); 27 // CHECK: [[P:%[^ ]*]] = bitcast %class.B* %b to i8** 28 // CHECK: [[V:%[^ ]*]] = load i8*, i8** [[P]], align 8 29 // CHECK: call i1 @llvm.type.test(i8* [[V]], metadata !"_ZTS1B") 30 // CHECK: call i1 @llvm.type.test(i8* [[V]], metadata !"all-vtables") 31 } 32