llvm-project/clang/test/CodeGenCXX/block-in-ctor-dtor.cpp

// RUN: %clang_cc1 %s -fblocks -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s

typedef void (^dispatch_block_t)(void);

void dispatch_once(dispatch_block_t);

class Zone {
public:
  Zone();
  ~Zone();
};

Zone::Zone() {
    dispatch_once(^{});
    dispatch_once(^{});
}

Zone::~Zone() {
    dispatch_once(^{});
    dispatch_once(^{});
}

class X : public virtual Zone {
  X();
  ~X();
};

X::X() {
    dispatch_once(^{});
    dispatch_once(^{});
};

X::~X() {
    dispatch_once(^{});
    dispatch_once(^{});
};


// CHECK: define internal void @___ZN4ZoneC2Ev_block_invoke
// CHECK: define internal void @___ZN4ZoneC2Ev_block_invoke_
// CHECK: define internal void @___ZN4ZoneD2Ev_block_invoke
// CHECK: define internal void @___ZN4ZoneD2Ev_block_invoke_
// CHECK: define internal void @___ZN1XC1Ev_block_invoke
// CHECK: define internal void @___ZN1XC1Ev_block_invoke_
// CHECK: define internal void @___ZN1XC2Ev_block_invoke
// CHECK: define internal void @___ZN1XC2Ev_block_invoke_
// CHECK: define internal void @___ZN1XD2Ev_block_invoke
// CHECK: define internal void @___ZN1XD2Ev_block_invoke_