| ; RUN: opt -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 i8* @llvm.objc.retain |
| ; CHECK: call void (...) @llvm.objc.clang.arc.use( |
| ; CHECK: call i8* @llvm.objc.retain |
| ; CHECK: call void (...) @llvm.objc.clang.arc.use( |
| |
| define void @runTest() local_unnamed_addr { |
| %1 = alloca %0*, align 8 |
| %2 = alloca %0*, align 8 |
| %3 = tail call %0* @foo0() |
| %4 = bitcast %0* %3 to i8* |
| %5 = tail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %4) |
| store %0* %3, %0** %1, align 8 |
| call void @foo1(%0** nonnull %1) |
| %6 = load %0*, %0** %1, align 8 |
| %7 = bitcast %0* %6 to i8* |
| %8 = call i8* @llvm.objc.retain(i8* %7) |
| call void (...) @llvm.objc.clang.arc.use(%0* %3) |
| call void @llvm.objc.release(i8* %4) |
| store %0* %6, %0** %2, align 8 |
| call void @foo1(%0** nonnull %2) |
| %9 = load %0*, %0** %2, align 8 |
| %10 = bitcast %0* %9 to i8* |
| %11 = call i8* @llvm.objc.retain(i8* %10) |
| call void (...) @llvm.objc.clang.arc.use(%0* %6) |
| %tmp1 = load %0*, %0** %2, align 8 |
| call void @llvm.objc.release(i8* %7) |
| call void @foo2(%0* %9) |
| call void @llvm.objc.release(i8* %10) |
| ret void |
| } |
| |
| declare %0* @foo0() local_unnamed_addr |
| declare void @foo1(%0**) local_unnamed_addr |
| declare void @foo2(%0*) local_unnamed_addr |
| |
| declare i8* @llvm.objc.retainAutoreleasedReturnValue(i8*) local_unnamed_addr |
| declare i8* @llvm.objc.retain(i8*) local_unnamed_addr |
| declare void @llvm.objc.clang.arc.use(...) local_unnamed_addr |
| declare void @llvm.objc.release(i8*) local_unnamed_addr |
