Home | History | Annotate | Download | only in CodeGenCXX
      1 // RUN: %clang_cc1 %s -triple=armv7-apple-darwin10 -emit-llvm -o - -fexceptions -fcxx-exceptions | FileCheck %s
      2 
      3 // Check that we annotate all compiler-synthesized runtime calls and
      4 // functions with the actual ABI-determined CC.  This usually doesn't
      5 // matter as long as we're internally consistent (and the LLVM-default
      6 // CC is consistent with the real one), but it's possible for user
      7 // translation units to define these runtime functions (or, equivalently,
      8 // for us to get LTO'ed with such a translation unit), and then the
      9 // mismatch will kill us.
     10 //
     11 // rdar://12818655
     12 
     13 // CHECK: [[A:%.*]] = type { double }
     14 
     15 namespace test0 {
     16   struct A {
     17     double d;
     18     A();
     19     ~A();
     20   };
     21 
     22   A global;
     23 // CHECK-LABEL:    define internal void @__cxx_global_var_init()
     24 // CHECK:      call [[A]]* @_ZN5test01AC1Ev([[A]]* @_ZN5test06globalE)
     25 // CHECK-NEXT: call i32 @__cxa_atexit(void (i8*)* bitcast ([[A]]* ([[A]]*)* @_ZN5test01AD1Ev to void (i8*)*), i8* bitcast ([[A]]* @_ZN5test06globalE to i8*), i8* @__dso_handle) [[NOUNWIND:#[0-9]+]]
     26 // CHECK-NEXT: ret void
     27 }
     28 
     29 // CHECK: declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) [[NOUNWIND]]
     30 
     31 namespace test1 {
     32   void test() {
     33     throw 0;
     34   }
     35 
     36 // CHECK-LABEL:    define void @_ZN5test14testEv()
     37 // CHECK:      [[T0:%.*]] = call i8* @__cxa_allocate_exception(i32 4) [[NOUNWIND]]
     38 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i32*
     39 // CHECK-NEXT: store i32 0, i32* [[T1]]
     40 // CHECK-NEXT: call void @__cxa_throw(i8* [[T0]], i8* bitcast (i8** @_ZTIi to i8*), i8* null) [[NORETURN:#[0-9]+]]
     41 // CHECK-NEXT: unreachable
     42 }
     43 
     44 // CHECK: declare i8* @__cxa_allocate_exception(i32)
     45 
     46 // CHECK: declare void @__cxa_throw(i8*, i8*, i8*)
     47 
     48 // CHECK-LABEL: define internal void @_GLOBAL__sub_I_runtimecc.cpp()
     49 // CHECK:   call void @__cxx_global_var_init()
     50 
     51 
     52 // CHECK: attributes [[NOUNWIND]] = { nounwind }
     53 // CHECK: attributes [[NORETURN]] = { noreturn }
     54