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| author | John McCall <rjmccall@apple.com> | 2012-04-06 18:21:06 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2012-04-06 18:21:06 +0000 |
| commit | 30fa3707c440222f65fcbb78ee8677462ea0d9ce (patch) | |
| tree | bc9373e70233fd57d77f32361c627807ea3f8391 /test/CodeGenCXX/global-dtor-no-atexit.cpp | |
| parent | 3f88f686e32949ffe02ccb551f482f9cf810358b (diff) | |
Use atexit when __cxa_atexit isn't available instead of adding a
global destructor entry. For some reason this isn't enabled for
apple-kexts; it'd be good to have documentation for that.
Based on a patch by Nakamura Takumi!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154191 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/global-dtor-no-atexit.cpp')
| -rw-r--r-- | test/CodeGenCXX/global-dtor-no-atexit.cpp | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/test/CodeGenCXX/global-dtor-no-atexit.cpp b/test/CodeGenCXX/global-dtor-no-atexit.cpp index 1e125e3f7d..def97b2361 100644 --- a/test/CodeGenCXX/global-dtor-no-atexit.cpp +++ b/test/CodeGenCXX/global-dtor-no-atexit.cpp @@ -3,10 +3,15 @@ // PR7097 // RUN: %clang_cc1 -triple x86_64 %s -fno-use-cxa-atexit -mconstructor-aliases -emit-llvm -o - | FileCheck %s -// CHECK: define internal void @_GLOBAL__D_a() -// CHECK: call void @_ZN1AD1Ev(%class.A* @b) -// CHECK: call void @_ZN1AD1Ev(%class.A* @a) -// CHECK: } +// CHECK: call void @_ZN1AC1Ev([[A:%.*]]* @a) +// CHECK-NEXT: call i32 @atexit(void ()* @__dtor_a) +// CHECK: define internal void @__dtor_a() nounwind +// CHECK: call void @_ZN1AD1Ev([[A]]* @a) + +// CHECK: call void @_ZN1AC1Ev([[A]]* @b) +// CHECK-NEXT: call i32 @atexit(void ()* @__dtor_b) +// CHECK: define internal void @__dtor_b() nounwind +// CHECK: call void @_ZN1AD1Ev([[A]]* @b) class A { public: @@ -15,3 +20,25 @@ public: }; A a, b; + +// PR9593 +// CHECK: define void @_Z4funcv() +// CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a1) +// CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a1) +// CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a1) +// CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a1) + +// CHECK: call i32 @__cxa_guard_acquire(i64* @_ZGVZ4funcvE2a2) +// CHECK: call void @_ZN1AC1Ev([[A]]* @_ZZ4funcvE2a2) +// CHECK-NEXT: call i32 @atexit(void ()* @__dtor__ZZ4funcvE2a2) +// CHECK-NEXT: call void @__cxa_guard_release(i64* @_ZGVZ4funcvE2a2) + +// CHECK: define internal void @__dtor__ZZ4funcvE2a1() nounwind +// CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a1) + +// CHECK: define internal void @__dtor__ZZ4funcvE2a2() nounwind +// CHECK: call void @_ZN1AD1Ev([[A]]* @_ZZ4funcvE2a2) + +void func() { + static A a1, a2; +} |