| Dmitry Mikulin | 034badb | 2019-10-15 16:32:50 +0000 | [diff] [blame] | 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 -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 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 | } |