xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/runtimecc.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple=armv7-apple-darwin10 -emit-llvm -o - -fexceptions -fcxx-exceptions | FileCheck %s
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc // Check that we annotate all compiler-synthesized runtime calls and
4*f4a2713aSLionel Sambuc // functions with the actual ABI-determined CC.  This usually doesn't
5*f4a2713aSLionel Sambuc // matter as long as we're internally consistent (and the LLVM-default
6*f4a2713aSLionel Sambuc // CC is consistent with the real one), but it's possible for user
7*f4a2713aSLionel Sambuc // translation units to define these runtime functions (or, equivalently,
8*f4a2713aSLionel Sambuc // for us to get LTO'ed with such a translation unit), and then the
9*f4a2713aSLionel Sambuc // mismatch will kill us.
10*f4a2713aSLionel Sambuc //
11*f4a2713aSLionel Sambuc // rdar://12818655
12*f4a2713aSLionel Sambuc 
13*f4a2713aSLionel Sambuc // CHECK: [[A:%.*]] = type { double }
14*f4a2713aSLionel Sambuc 
15*f4a2713aSLionel Sambuc namespace test0 {
16*f4a2713aSLionel Sambuc   struct A {
17*f4a2713aSLionel Sambuc     double d;
18*f4a2713aSLionel Sambuc     A();
19*f4a2713aSLionel Sambuc     ~A();
20*f4a2713aSLionel Sambuc   };
21*f4a2713aSLionel Sambuc 
22*f4a2713aSLionel Sambuc   A global;
23*f4a2713aSLionel Sambuc // CHECK-LABEL:    define internal arm_aapcscc void @__cxx_global_var_init()
24*f4a2713aSLionel Sambuc // CHECK:      call arm_aapcscc [[A]]* @_ZN5test01AC1Ev([[A]]* @_ZN5test06globalE)
25*f4a2713aSLionel Sambuc // CHECK-NEXT: call arm_aapcscc 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*f4a2713aSLionel Sambuc // CHECK-NEXT: ret void
27*f4a2713aSLionel Sambuc }
28*f4a2713aSLionel Sambuc 
29*f4a2713aSLionel Sambuc // CHECK: declare arm_aapcscc i32 @__cxa_atexit(void (i8*)*, i8*, i8*) [[NOUNWIND]]
30*f4a2713aSLionel Sambuc 
31*f4a2713aSLionel Sambuc namespace test1 {
32*f4a2713aSLionel Sambuc   void test() {
33*f4a2713aSLionel Sambuc     throw 0;
34*f4a2713aSLionel Sambuc   }
35*f4a2713aSLionel Sambuc 
36*f4a2713aSLionel Sambuc // CHECK-LABEL:    define arm_aapcscc void @_ZN5test14testEv()
37*f4a2713aSLionel Sambuc // CHECK:      [[T0:%.*]] = call arm_aapcscc i8* @__cxa_allocate_exception(i32 4) [[NOUNWIND]]
38*f4a2713aSLionel Sambuc // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i32*
39*f4a2713aSLionel Sambuc // CHECK-NEXT: store i32 0, i32* [[T1]]
40*f4a2713aSLionel Sambuc // CHECK-NEXT: call arm_aapcscc void @__cxa_throw(i8* [[T0]], i8* bitcast (i8** @_ZTIi to i8*), i8* null) [[NORETURN:#[0-9]+]]
41*f4a2713aSLionel Sambuc // CHECK-NEXT: unreachable
42*f4a2713aSLionel Sambuc }
43*f4a2713aSLionel Sambuc 
44*f4a2713aSLionel Sambuc // CHECK: declare arm_aapcscc i8* @__cxa_allocate_exception(i32)
45*f4a2713aSLionel Sambuc 
46*f4a2713aSLionel Sambuc // CHECK: declare arm_aapcscc void @__cxa_throw(i8*, i8*, i8*)
47*f4a2713aSLionel Sambuc 
48*f4a2713aSLionel Sambuc // CHECK-LABEL: define internal arm_aapcscc void @_GLOBAL__I_a()
49*f4a2713aSLionel Sambuc // CHECK:   call arm_aapcscc void @__cxx_global_var_init()
50*f4a2713aSLionel Sambuc 
51*f4a2713aSLionel Sambuc 
52*f4a2713aSLionel Sambuc // CHECK: attributes [[NOUNWIND]] = { nounwind }
53*f4a2713aSLionel Sambuc // CHECK: attributes [[NORETURN]] = { noreturn }
54