test/CodeGenCXX/const-init.cpp

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

// CHECK: @a = global i32 10
int a = 10;
// CHECK: @ar = constant i32* @a
int &ar = a;

void f();
// CHECK: @fr = constant void ()* @_Z1fv
void (&fr)() = f;

struct S { int& a; };
// CHECK: @s = global %0 { i32* @a }
S s = { a };

// PR5581
namespace PR5581 {
class C {
public:
  enum { e0, e1 };
  unsigned f;
};

// CHECK: @_ZN6PR55812g0E = global %1 { i32 1 }
C g0 = { C::e1 };
}

namespace test2 {
  struct A {
    static const double d = 1.0;
    static const float f = d / 2;
  };

  // CHECK: @_ZN5test22t0E = global double 1.000000e+00, align 8
  // CHECK: @_ZN5test22t1E = global [2 x double] [double 1.000000e+00, double 5.000000e-01], align 16
  double t0 = A::d;
  double t1[] = { A::d, A::f };
}