1; RUN: opt -S -objc-arc-contract < %s | FileCheck %s 2 3; CHECK: %call = tail call i32* @qux() 4; CHECK-NEXT: %tcall = bitcast i32* %call to i8* 5; CHECK-NEXT: call void asm sideeffect "mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue", ""() 6; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind 7 8define void @foo() { 9entry: 10 %call = tail call i32* @qux() 11 %tcall = bitcast i32* %call to i8* 12 %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind 13 tail call void @bar(i8* %0) 14 ret void 15} 16 17declare i32* @qux() 18declare i8* @objc_retainAutoreleasedReturnValue(i8*) 19declare void @bar(i8*) 20 21!clang.arc.retainAutoreleasedReturnValueMarker = !{!0} 22 23!0 = metadata !{metadata !"mov\09r7, r7\09\09@ marker for objc_retainAutoreleaseReturnValue"} 24