diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/GlobalOpt/cxx-dtor.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/cxx-dtor.ll b/test/Transforms/GlobalOpt/cxx-dtor.ll new file mode 100644 index 0000000..2263562 --- /dev/null +++ b/test/Transforms/GlobalOpt/cxx-dtor.ll @@ -0,0 +1,31 @@ +; RUN: opt < %s -globalopt -S | FileCheck %s + +%0 = type { i32, void ()* } +%struct.A = type { i8 } + +@a = global %struct.A zeroinitializer, align 1 +@__dso_handle = external global i8* +@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }] + +; CHECK-NOT: call i32 @__cxa_atexit + +define internal void @__cxx_global_var_init() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { + %1 = call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*)) + ret void +} + +define linkonce_odr void @_ZN1AD1Ev(%struct.A* %this) nounwind align 2 { + call void @_ZN1AD2Ev(%struct.A* %this) + ret void +} + +declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) + +define linkonce_odr void @_ZN1AD2Ev(%struct.A* %this) nounwind align 2 { + ret void +} + +define internal void @_GLOBAL__I_a() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { + call void @__cxx_global_var_init() + ret void +} |