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1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -std=c++11 -o - %s | FileCheck %s2 3__attribute((objc_root_class)) @interface A @end4@interface B : A @end5 6// Ensure that type differences don't cause an assert here.7void test0(__weak B **src) {8 __weak A *dest = *src;9}10// CHECK-LABEL: define{{.*}} void @_Z5test0PU6__weakP1B(11// CHECK: [[SRC:%.*]] = alloca ptr, align 812// CHECK: [[DEST:%.*]] = alloca ptr, align 813// CHECK: [[T0:%.*]] = load ptr, ptr [[SRC]], align 814// CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[DEST]], ptr [[T0]])15// CHECK: call void @llvm.objc.destroyWeak(ptr [[DEST]])16 17void test1(__weak B **src) {18 __weak A *dest = static_cast<__weak B*&&>(*src);19}20// CHECK-LABEL: define{{.*}} void @_Z5test1PU6__weakP1B(21// CHECK: [[SRC:%.*]] = alloca ptr, align 822// CHECK: [[DEST:%.*]] = alloca ptr, align 823// CHECK: [[T0:%.*]] = load ptr, ptr [[SRC]], align 824// CHECK-NEXT: call void @llvm.objc.moveWeak(ptr [[DEST]], ptr [[T0]])25// CHECK: call void @llvm.objc.destroyWeak(ptr [[DEST]])26