1*0a6a1f1dSLionel Sambuc// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \ 2*0a6a1f1dSLionel Sambuc// RUN: FileCheck %s 3*0a6a1f1dSLionel Sambuc// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \ 4*0a6a1f1dSLionel Sambuc// RUN: FileCheck %s 5f4a2713aSLionel Sambuc 6f4a2713aSLionel Sambuc@interface NSObject 7f4a2713aSLionel Sambuc- copy; 8f4a2713aSLionel Sambuc@end 9f4a2713aSLionel Sambuc 10f4a2713aSLionel Sambucint main() { 11f4a2713aSLionel Sambuc NSObject *object = 0; 12f4a2713aSLionel Sambuc __weak __block NSObject* weak_object = object; 13f4a2713aSLionel Sambuc void (^callback) (void) = [^{ 14f4a2713aSLionel Sambuc if (weak_object) 15f4a2713aSLionel Sambuc [weak_object copy]; 16f4a2713aSLionel Sambuc } copy]; 17f4a2713aSLionel Sambuc callback(); 18f4a2713aSLionel Sambuc return 0; 19f4a2713aSLionel Sambuc} 20f4a2713aSLionel Sambuc 21*0a6a1f1dSLionel Sambuc// CHECK: call i8* @objc_read_weak 22*0a6a1f1dSLionel Sambuc// CHECK: call i8* @objc_read_weak 23