| ; 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 |
