forked from OSchip/llvm-project
31 lines
781 B
C++
31 lines
781 B
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
|
|
|
|
// C++-specific tests for __builtin_object_size
|
|
|
|
int gi;
|
|
|
|
// CHECK-LABEL: define void @_Z5test1v()
|
|
void test1() {
|
|
// Guaranteeing that our cast removal logic doesn't break more interesting
|
|
// cases.
|
|
struct A { int a; };
|
|
struct B { int b; };
|
|
struct C: public A, public B {};
|
|
|
|
C c;
|
|
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size(&c, 0);
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((A*)&c, 0);
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size((B*)&c, 0);
|
|
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((char*)&c, 0);
|
|
// CHECK: store i32 8
|
|
gi = __builtin_object_size((char*)(A*)&c, 0);
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size((char*)(B*)&c, 0);
|
|
}
|