| // RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s |
| // CHECK: ; ModuleID |
| |
| template<typename> struct A { static int a; }; |
| |
| // CHECK-NOT: @_ZN1AIcE1aE |
| template<> int A<char>::a; |
| |
| // CHECK: @_ZN1AIbE1aE = global i32 10 |
| template<> int A<bool>::a = 10; |
| |
| // CHECK: @llvm.global_ctors = appending global [2 x { i32, void ()* }] |
| // CHECK: [{ i32, void ()* } { i32 65535, void ()* @__cxx_global_var_init }, |
| // CHECK: { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] |
| |
| extern "C" int foo(); |
| template<> int A<short>::a = foo(); // Separate global_ctor entry |
| int b = foo(); // Goes in _GLOBAL__I_a |
| int c = foo(); // Goes in _GLOBAL__I_a |
| |
| // An explicit specialization is ordered, and goes in __GLOBAL_I_a. |
| template<> struct A<int> { static int a; }; |
| int A<int>::a = foo(); |
| |
| // CHECK: define internal void @__cxx_global_var_init() |
| // CHECK: call i32 @foo() |
| // CHECK: store {{.*}} @_ZN1AIsE1aE |
| // CHECK: ret |
| |
| // CHECK: define internal void @_GLOBAL__I_a() |
| // We call unique stubs for every ordered dynamic initializer in the TU. |
| // CHECK: call |
| // CHECK: call |
| // CHECK: call |
| // CHECK-NOT: call |
| // CHECK: ret |