| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=objc-arc -S < %s | FileCheck %s |
| |
| declare ptr @llvm.objc.initWeak(ptr, ptr) |
| declare ptr @llvm.objc.storeWeak(ptr, ptr) |
| declare ptr @llvm.objc.loadWeak(ptr) |
| declare void @llvm.objc.destroyWeak(ptr) |
| declare ptr @llvm.objc.loadWeakRetained(ptr) |
| declare void @llvm.objc.moveWeak(ptr, ptr) |
| declare void @llvm.objc.copyWeak(ptr, ptr) |
| |
| ; If the pointer-to-weak-pointer is null, it's undefined behavior. |
| |
| define void @test0(ptr %p, ptr %q) { |
| ; CHECK-LABEL: @test0( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: store i1 true, ptr undef, align 1 |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| call ptr @llvm.objc.storeWeak(ptr null, ptr %p) |
| call ptr @llvm.objc.storeWeak(ptr undef, ptr %p) |
| call ptr @llvm.objc.loadWeakRetained(ptr null) |
| call ptr @llvm.objc.loadWeakRetained(ptr undef) |
| call ptr @llvm.objc.loadWeak(ptr null) |
| call ptr @llvm.objc.loadWeak(ptr undef) |
| call ptr @llvm.objc.initWeak(ptr null, ptr %p) |
| call ptr @llvm.objc.initWeak(ptr undef, ptr %p) |
| call void @llvm.objc.destroyWeak(ptr null) |
| call void @llvm.objc.destroyWeak(ptr undef) |
| |
| call void @llvm.objc.copyWeak(ptr null, ptr %q) |
| call void @llvm.objc.copyWeak(ptr undef, ptr %q) |
| call void @llvm.objc.copyWeak(ptr %q, ptr null) |
| call void @llvm.objc.copyWeak(ptr %q, ptr undef) |
| |
| call void @llvm.objc.moveWeak(ptr null, ptr %q) |
| call void @llvm.objc.moveWeak(ptr undef, ptr %q) |
| call void @llvm.objc.moveWeak(ptr %q, ptr null) |
| call void @llvm.objc.moveWeak(ptr %q, ptr undef) |
| |
| ret void |
| } |
