36 lines
822 B
C++
36 lines
822 B
C++
|
// RUN: %clang_cc1 -x c++ -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=nullability-assign | FileCheck %s
|
||
|
|
|
||
|
|
struct S1 {
|
||
|
|
int *_Nonnull p;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct S2 {
|
||
|
|
S1 s1;
|
||
|
|
};
|
||
|
|
|
||
|
|
union U1 {
|
||
|
|
S1 s1;
|
||
|
|
S2 s2;
|
||
|
|
};
|
||
|
|
|
||
|
|
// CHECK-LABEL: define{{.*}} void @{{.*}}f1
|
||
|
|
void f1(int *p) {
|
||
|
|
U1 u;
|
||
|
|
|
||
|
|
// CHECK: [[ICMP:%.*]] = icmp ne i32* {{.*}}, null, !nosanitize
|
||
|
|
// CHECK-NEXT: br i1 [[ICMP]], {{.*}}, !nosanitize
|
||
|
|
// CHECK: call void @__ubsan_handle_type_mismatch{{.*}} !nosanitize
|
||
|
|
// CHECK: store
|
||
|
|
u.s1.p = p;
|
||
|
|
|
||
|
|
// CHECK: [[ICMP:%.*]] = icmp ne i32* {{.*}}, null, !nosanitize
|
||
|
|
// CHECK-NEXT: br i1 [[ICMP]], {{.*}}, !nosanitize
|
||
|
|
// CHECK: call void @__ubsan_handle_type_mismatch{{.*}} !nosanitize
|
||
|
|
// CHECK: store
|
||
|
|
u.s2.s1.p = p;
|
||
|
|
|
||
|
|
// CHECK-NOT: __ubsan_handle_type_mismatch
|
||
|
|
// CHECK-NOT: store
|
||
|
|
// CHECK: ret void
|
||
|
|
}
|