; RUN: opt -passes=objc-arc -S %s | FileCheck %s %0 = type opaque ; Make sure ARC optimizer doesn't sink @obj_retain past @llvm.objc.clang.arc.use. ; CHECK: call ptr @llvm.objc.retain ; CHECK: call void (...) @llvm.objc.clang.arc.use( ; CHECK: call ptr @llvm.objc.retain ; CHECK: call void (...) @llvm.objc.clang.arc.use( define void @runTest() local_unnamed_addr { %1 = alloca ptr, align 8 %2 = alloca ptr, align 8 %3 = tail call ptr @foo0() %4 = tail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %3) store ptr %3, ptr %1, align 8 call void @foo1(ptr nonnull %1) %5 = load ptr, ptr %1, align 8 %6 = call ptr @llvm.objc.retain(ptr %5) call void (...) @llvm.objc.clang.arc.use(ptr %3) call void @llvm.objc.release(ptr %3) store ptr %5, ptr %2, align 8 call void @foo1(ptr nonnull %2) %7 = load ptr, ptr %2, align 8 %8 = call ptr @llvm.objc.retain(ptr %7) call void (...) @llvm.objc.clang.arc.use(ptr %5) %tmp1 = load ptr, ptr %2, align 8 call void @llvm.objc.release(ptr %5) call void @foo2(ptr %7) call void @llvm.objc.release(ptr %7) ret void } declare ptr @foo0() local_unnamed_addr declare void @foo1(ptr) local_unnamed_addr declare void @foo2(ptr) local_unnamed_addr declare ptr @llvm.objc.retainAutoreleasedReturnValue(ptr) local_unnamed_addr declare ptr @llvm.objc.retain(ptr) local_unnamed_addr declare void @llvm.objc.clang.arc.use(...) local_unnamed_addr declare void @llvm.objc.release(ptr) local_unnamed_addr