llvm-project/clang/test/CodeGenCXX/cfi-multiple-inheritance.cpp
Juneyoung Lee f193bcc701 Revert D105169 due to the two-stage failure in ASAN
This reverts the following commits:
37ca7a795b277c20c02a218bf44052278c03344b
9aa6c72b92b6c89cc6d23b693257df9af7de2d15
705387c5074bcca36d626882462ebbc2bcc3bed4
8ca4b3ef19fe82d7ad6a6e1515317dcc01b41515
80dba72a669b5416e97a42fd2c2a7bc5a6d3f44a
2021-10-18 23:52:46 +09:00

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// 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")
}