; RUN: opt -S -objc-arc-contract < %s | FileCheck %s ; CHECK: define void @foo() { ; CHECK: %call = tail call i32* @qux() ; CHECK-NEXT: %tcall = bitcast i32* %call to i8* ; CHECK-NEXT: call void asm sideeffect "mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue", ""() ; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) [[NUW:#[0-9]+]] ; CHECK: } define void @foo() { entry: %call = tail call i32* @qux() %tcall = bitcast i32* %call to i8* %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind tail call void @bar(i8* %0) ret void } declare i32* @qux() declare i8* @objc_retainAutoreleasedReturnValue(i8*) declare void @bar(i8*) !clang.arc.retainAutoreleasedReturnValueMarker = !{!0} !0 = !{!"mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue"} ; CHECK: attributes [[NUW]] = { nounwind }