|  | ; RUN: opt -objc-arc-contract -S < %s | FileCheck %s | 
|  |  | 
|  | ; CHECK: tail call void @llvm.objc.storeStrong(i8** | 
|  |  | 
|  | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" | 
|  | target triple = "x86_64-apple-darwin11.0.0" | 
|  |  | 
|  | %0 = type opaque | 
|  | %1 = type opaque | 
|  |  | 
|  | @"OBJC_IVAR_$_Controller.preferencesController" = external global i64, section "__DATA, __objc_const", align 8 | 
|  |  | 
|  | declare i8* @llvm.objc.retain(i8*) | 
|  |  | 
|  | declare void @llvm.objc.release(i8*) | 
|  |  | 
|  | define hidden void @y(%0* nocapture %self, %1* %preferencesController) nounwind { | 
|  | entry: | 
|  | %ivar = load i64, i64* @"OBJC_IVAR_$_Controller.preferencesController", align 8 | 
|  | %tmp = bitcast %0* %self to i8* | 
|  | %add.ptr = getelementptr inbounds i8, i8* %tmp, i64 %ivar | 
|  | %tmp1 = bitcast i8* %add.ptr to %1** | 
|  | %tmp2 = load %1*, %1** %tmp1, align 8 | 
|  | %tmp3 = bitcast %1* %preferencesController to i8* | 
|  | %tmp4 = tail call i8* @llvm.objc.retain(i8* %tmp3) nounwind | 
|  | %tmp5 = bitcast %1* %tmp2 to i8* | 
|  | tail call void @llvm.objc.release(i8* %tmp5) nounwind | 
|  | %tmp6 = bitcast i8* %tmp4 to %1* | 
|  | store %1* %tmp6, %1** %tmp1, align 8 | 
|  | ret void | 
|  | } |