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      1 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-pc-linux-gnu| FileCheck %s
      2 
      3 // Test address-of overloading logic
      4 int test5(int);
      5 template <typename T>
      6 T test5(T) __attribute__((enable_if(1, "better than non-template")));
      7 
      8 // CHECK: @_Z5test5IiEUa9enable_ifIXLi1EEET_S0_
      9 int (*Ptr)(int) = &test5;
     10 
     11 // Test itanium mangling for attribute enable_if
     12 
     13 // CHECK: _Z5test1Ua9enable_ifIXeqfL0p_Li1EEEi
     14 void test1(int i) __attribute__((enable_if(i == 1, ""))) {}
     15 
     16 void ext();
     17 // CHECK: _Z5test2Ua9enable_ifIXneadL_Z3extvELi0EEEi
     18 void test2(int i) __attribute__((enable_if(&ext != 0, ""))) {}
     19 
     20 // CHECK: _Z5test3Ua9enable_ifIXeqfL0p_Li1EEXeqfL0p0_Li2EEEii
     21 void test3(int i, int j) __attribute__((enable_if(i == 1, ""), enable_if(j == 2, ""))) {}
     22 
     23 // CHECK: _ZN5test4IdE1fEUa9enable_ifIXeqfL0p_Li1EEXeqfL0p0_Li2EEEi
     24 template <typename T>
     25 class test4 {
     26   virtual void f(int i, int j) __attribute__((enable_if(i == 1, ""))) __attribute__((enable_if(j == 2, "")));
     27 };
     28 
     29 template class test4<double>;
     30