reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    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
   43
   44
   45
   46
   47
   48
   49

// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
struct A { 
  void f(); 
  
  int a;
};

struct B : A { 
  double b;
};

void f() {
  B b;
  
  b.f();
}

// CHECK: define %struct.B* @_Z1fP1A(%struct.A* %a) [[NUW:#[0-9]+]]
B *f(A *a) {
  // CHECK-NOT: br label
  // CHECK: ret %struct.B*
  return static_cast<B*>(a);
}

// PR5965
namespace PR5965 {

// CHECK: define %struct.A* @_ZN6PR59651fEP1B(%struct.B* %b) [[NUW]]
A *f(B* b) {
  // CHECK-NOT: br label
  // CHECK: ret %struct.A*
  return b;
}

}

// Don't crash on a derived-to-base conversion of an r-value
// aggregate.
namespace test3 {
  struct A {};
  struct B : A {};

  void foo(A a);
  void test() {
    foo(B());
  }
}

// CHECK: attributes [[NUW]] = { noinline nounwind{{.*}} }