File: microsoft-abi-structors-alias.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (42 lines) | stat: -rw-r--r-- 1,069 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm %s -o - -triple=i386-pc-win32 -fno-rtti -mconstructor-aliases -O1 -disable-llvm-passes | FileCheck %s

namespace test1 {
template <typename T> class A {
  ~A() {}
};
template class A<char>;
// CHECK-DAG: define weak_odr dso_local x86_thiscallcc void @"??1?$A@D@test1@@AAE@XZ"
}

namespace test2 {
struct A {
  virtual ~A();
};
struct B : A {
  B();
  virtual ~B();
};

A::~A() {}
B::~B() {}
void foo() {
  B b;
}
// CHECK-DAG: @"??1B@test2@@UAE@XZ" = dso_local unnamed_addr alias void (%"struct.test2::B"*), bitcast (void (%"struct.test2::A"*)* @"??1A@test2@@UAE@XZ" to void (%"struct.test2::B"*)*)
}

namespace test3 {
struct A { virtual ~A(); };
A::~A() {}
}
// CHECK-DAG: define dso_local x86_thiscallcc void @"??1A@test3@@UAE@XZ"(
namespace test3 {
template <typename T>
struct B : A {
  virtual ~B() { }
};
template struct B<int>;
}
// This has to be weak, and emitting weak aliases is fragile, so we don't do the
// aliasing.
// CHECK-DAG: define weak_odr dso_local x86_thiscallcc void @"??1?$B@H@test3@@UAE@XZ"(