head	1.1;
branch	1.1.1;
access;
symbols
	netbsd-11-0-RC4:1.1.1.3
	netbsd-11-0-RC3:1.1.1.3
	netbsd-11-0-RC2:1.1.1.3
	netbsd-11-0-RC1:1.1.1.3
	perseant-exfatfs-base-20250801:1.1.1.3
	netbsd-11:1.1.1.3.0.10
	netbsd-11-base:1.1.1.3
	netbsd-10-1-RELEASE:1.1.1.3
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	netbsd-10-0-RC6:1.1.1.3
	netbsd-10-0-RC5:1.1.1.3
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	netbsd-10-0-RC1:1.1.1.3
	netbsd-10:1.1.1.3.0.6
	netbsd-10-base:1.1.1.3
	netbsd-9-3-RELEASE:1.1.1.2
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	cjep_sun2x-base:1.1.1.3
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	cjep_staticlib_x-base:1.1.1.3
	netbsd-9-1-RELEASE:1.1.1.2
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	phil-wifi-20190609:1.1.1.2
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	netbsd-8-1-RC1:1.1.1.1
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	clang-337282:1.1.1.2
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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2017.01.11.10.39.55;	author joerg;	state Exp;
branches
	1.1.1.1;
next	;
commitid	CNnUNfII1jgNmxBz;

1.1.1.1
date	2017.01.11.10.39.55;	author joerg;	state Exp;
branches
	1.1.1.1.4.1
	1.1.1.1.14.1
	1.1.1.1.16.1;
next	1.1.1.2;
commitid	CNnUNfII1jgNmxBz;

1.1.1.2
date	2018.07.17.18.31.27;	author joerg;	state Exp;
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next	1.1.1.3;
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1.1.1.3
date	2019.11.13.22.20.15;	author joerg;	state dead;
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commitid	QD8YATxuNG34YJKB;

1.1.1.1.4.1
date	2017.01.11.10.39.55;	author pgoyette;	state dead;
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next	1.1.1.1.4.2;
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1.1.1.1.4.2
date	2017.03.20.06.52.59;	author pgoyette;	state Exp;
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next	;
commitid	jjw7cAwgyKq7RfKz;

1.1.1.1.14.1
date	2018.07.28.04.33.43;	author pgoyette;	state Exp;
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commitid	1UP1xAIUxv1ZgRLA;

1.1.1.1.16.1
date	2019.06.10.21.45.52;	author christos;	state Exp;
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1.1.1.1.16.2
date	2020.04.13.07.47.29;	author martin;	state dead;
branches;
next	;
commitid	X01YhRUPVUDaec4C;


desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=MSABI
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI
struct T {
  virtual ~T() {}
  virtual int v() { return 1; }
};

struct U : T {
  ~U();
  virtual int v() { return 2; }
};

U::~U() {}

// ITANIUM: define i32 @@_Z5get_vP1T
// MSABI: define i32 @@"\01?get_v
int get_v(T* t) {
  // First, we check that vtable is not loaded before a type check.
  // CHECK-NULL-NOT: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  // CHECK-NULL: [[UBSAN_CMP_RES:%[0-9]+]] = icmp ne %struct.T* %{{[_a-z0-9]+}}, null
  // CHECK-NULL-NEXT: br i1 [[UBSAN_CMP_RES]], label %{{.*}}, label %{{.*}}
  // CHECK-NULL: call void @@__ubsan_handle_type_mismatch_v1_abort
  // Second, we check that vtable is actually loaded once the type check is done.
  // CHECK-NULL: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  return t->v();
}

// ITANIUM: define void @@_Z9delete_itP1T
// MSABI: define void @@"\01?delete_it
void delete_it(T *t) {
  // First, we check that vtable is not loaded before a type check.
  // CHECK-VPTR-NOT: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  // CHECK-VPTR: br i1 {{.*}} label %{{.*}}
  // CHECK-VPTR: call void @@__ubsan_handle_dynamic_type_cache_miss_abort
  // Second, we check that vtable is actually loaded once the type check is done.
  // CHECK-VPTR: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  delete t;
}
@


1.1.1.1
log
@Import Clang pre-4.0.0 r291444.
@
text
@@


1.1.1.1.16.1
log
@Sync with HEAD
@
text
@d3 2
a4 2
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI  --check-prefix=CHECK-VPTR-MS
a16 2
// CHECK-VPTR-MS: @@__ubsan_vptr_type_cache = external dso_local

d18 1
a18 1
// MSABI: define dso_local i32 @@"?get_v
d31 1
a31 1
// MSABI: define dso_local void @@"?delete_it
a40 12

// ITANIUM: define %struct.U* @@_Z7dyncastP1T
// MSABI: define dso_local %struct.U* @@"?dyncast
U* dyncast(T *t) {
  // First, we check that dynamic_cast is not called before a type check.
  // CHECK-VPTR-NOT: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  // CHECK-VPTR: br i1 {{.*}} label %{{.*}}
  // CHECK-VPTR: call void @@__ubsan_handle_dynamic_type_cache_miss_abort
  // Second, we check that dynamic_cast is actually called once the type check is done.
  // CHECK-VPTR: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  return dynamic_cast<U*>(t);
}
@


1.1.1.1.16.2
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.1.14.1
log
@Sync with HEAD
@
text
@d3 2
a4 2
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI  --check-prefix=CHECK-VPTR-MS
a16 2
// CHECK-VPTR-MS: @@__ubsan_vptr_type_cache = external dso_local

d18 1
a18 1
// MSABI: define dso_local i32 @@"?get_v
d31 1
a31 1
// MSABI: define dso_local void @@"?delete_it
a40 12

// ITANIUM: define %struct.U* @@_Z7dyncastP1T
// MSABI: define dso_local %struct.U* @@"?dyncast
U* dyncast(T *t) {
  // First, we check that dynamic_cast is not called before a type check.
  // CHECK-VPTR-NOT: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  // CHECK-VPTR: br i1 {{.*}} label %{{.*}}
  // CHECK-VPTR: call void @@__ubsan_handle_dynamic_type_cache_miss_abort
  // Second, we check that dynamic_cast is actually called once the type check is done.
  // CHECK-VPTR: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  return dynamic_cast<U*>(t);
}
@


1.1.1.2
log
@Import clang r337282 from trunk
@
text
@d3 2
a4 2
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI  --check-prefix=CHECK-VPTR-MS
a16 2
// CHECK-VPTR-MS: @@__ubsan_vptr_type_cache = external dso_local

d18 1
a18 1
// MSABI: define dso_local i32 @@"?get_v
d31 1
a31 1
// MSABI: define dso_local void @@"?delete_it
a40 12

// ITANIUM: define %struct.U* @@_Z7dyncastP1T
// MSABI: define dso_local %struct.U* @@"?dyncast
U* dyncast(T *t) {
  // First, we check that dynamic_cast is not called before a type check.
  // CHECK-VPTR-NOT: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  // CHECK-VPTR: br i1 {{.*}} label %{{.*}}
  // CHECK-VPTR: call void @@__ubsan_handle_dynamic_type_cache_miss_abort
  // Second, we check that dynamic_cast is actually called once the type check is done.
  // CHECK-VPTR: call i8* @@__{{dynamic_cast|RTDynamicCast}}
  return dynamic_cast<U*>(t);
}
@


1.1.1.3
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.4.1
log
@file ubsan-vtable-checks.cpp was added on branch pgoyette-localcount on 2017-03-20 06:52:59 +0000
@
text
@d1 40
@


1.1.1.1.4.2
log
@Sync with HEAD
@
text
@a0 40
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=MSABI
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI
struct T {
  virtual ~T() {}
  virtual int v() { return 1; }
};

struct U : T {
  ~U();
  virtual int v() { return 2; }
};

U::~U() {}

// ITANIUM: define i32 @@_Z5get_vP1T
// MSABI: define i32 @@"\01?get_v
int get_v(T* t) {
  // First, we check that vtable is not loaded before a type check.
  // CHECK-NULL-NOT: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  // CHECK-NULL: [[UBSAN_CMP_RES:%[0-9]+]] = icmp ne %struct.T* %{{[_a-z0-9]+}}, null
  // CHECK-NULL-NEXT: br i1 [[UBSAN_CMP_RES]], label %{{.*}}, label %{{.*}}
  // CHECK-NULL: call void @@__ubsan_handle_type_mismatch_v1_abort
  // Second, we check that vtable is actually loaded once the type check is done.
  // CHECK-NULL: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  return t->v();
}

// ITANIUM: define void @@_Z9delete_itP1T
// MSABI: define void @@"\01?delete_it
void delete_it(T *t) {
  // First, we check that vtable is not loaded before a type check.
  // CHECK-VPTR-NOT: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  // CHECK-VPTR: br i1 {{.*}} label %{{.*}}
  // CHECK-VPTR: call void @@__ubsan_handle_dynamic_type_cache_miss_abort
  // Second, we check that vtable is actually loaded once the type check is done.
  // CHECK-VPTR: load {{.*}} (%struct.T*{{.*}})**, {{.*}} (%struct.T*{{.*}})***
  delete t;
}
@