| John McCall | d935e9c | 2011-06-15 23:37:01 +0000 | [diff] [blame] | 1 | ; RUN: opt -objc-arc -S < %s | FileCheck %s |
| 2 | |
| 3 | declare i8* @objc_initWeak(i8**, i8*) |
| 4 | declare i8* @objc_storeWeak(i8**, i8*) |
| 5 | declare i8* @objc_loadWeak(i8**) |
| 6 | declare void @objc_destroyWeak(i8**) |
| 7 | declare i8* @objc_loadWeakRetained(i8**) |
| 8 | declare void @objc_moveWeak(i8**, i8**) |
| 9 | declare void @objc_copyWeak(i8**, i8**) |
| 10 | |
| 11 | ; If the pointer-to-weak-pointer is null, it's undefined behavior. |
| 12 | |
| Stephen Lin | a76289a | 2013-07-14 01:50:49 +0000 | [diff] [blame] | 13 | ; CHECK-LABEL: define void @test0( |
| John McCall | d935e9c | 2011-06-15 23:37:01 +0000 | [diff] [blame] | 14 | ; CHECK: store i8* undef, i8** null |
| 15 | ; CHECK: store i8* undef, i8** null |
| 16 | ; CHECK: store i8* undef, i8** null |
| 17 | ; CHECK: store i8* undef, i8** null |
| 18 | ; CHECK: store i8* undef, i8** null |
| 19 | ; CHECK: store i8* undef, i8** null |
| 20 | ; CHECK: store i8* undef, i8** null |
| 21 | ; CHECK: store i8* undef, i8** null |
| 22 | ; CHECK: store i8* undef, i8** null |
| 23 | ; CHECK: store i8* undef, i8** null |
| 24 | ; CHECK: store i8* undef, i8** null |
| 25 | ; CHECK: store i8* undef, i8** null |
| 26 | ; CHECK: store i8* undef, i8** null |
| 27 | ; CHECK: store i8* undef, i8** null |
| 28 | ; CHECK: store i8* undef, i8** null |
| 29 | ; CHECK: store i8* undef, i8** null |
| 30 | ; CHECK: store i8* undef, i8** null |
| 31 | ; CHECK: store i8* undef, i8** null |
| 32 | ; CHECK: ret void |
| 33 | define void @test0(i8* %p, i8** %q) { |
| 34 | entry: |
| 35 | call i8* @objc_storeWeak(i8** null, i8* %p) |
| 36 | call i8* @objc_storeWeak(i8** undef, i8* %p) |
| 37 | call i8* @objc_loadWeakRetained(i8** null) |
| 38 | call i8* @objc_loadWeakRetained(i8** undef) |
| 39 | call i8* @objc_loadWeak(i8** null) |
| 40 | call i8* @objc_loadWeak(i8** undef) |
| 41 | call i8* @objc_initWeak(i8** null, i8* %p) |
| 42 | call i8* @objc_initWeak(i8** undef, i8* %p) |
| 43 | call void @objc_destroyWeak(i8** null) |
| 44 | call void @objc_destroyWeak(i8** undef) |
| 45 | |
| 46 | call void @objc_copyWeak(i8** null, i8** %q) |
| 47 | call void @objc_copyWeak(i8** undef, i8** %q) |
| 48 | call void @objc_copyWeak(i8** %q, i8** null) |
| 49 | call void @objc_copyWeak(i8** %q, i8** undef) |
| 50 | |
| 51 | call void @objc_moveWeak(i8** null, i8** %q) |
| 52 | call void @objc_moveWeak(i8** undef, i8** %q) |
| 53 | call void @objc_moveWeak(i8** %q, i8** null) |
| 54 | call void @objc_moveWeak(i8** %q, i8** undef) |
| 55 | |
| 56 | ret void |
| 57 | } |