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| author | John McCall <rjmccall@apple.com> | 2011-06-15 23:37:01 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-06-15 23:37:01 +0000 |
| commit | 9fbd318d36e618fb08fb53bb48b7c848e617a8a7 (patch) | |
| tree | 734b59edd4958b31e22b6cbd005df15fdd8ab78b /test/Transforms/ObjCARC/weak.ll | |
| parent | 5f36bb1759e35bd3aef4b6ce226e091849f6b816 (diff) | |
| download | external_llvm-9fbd318d36e618fb08fb53bb48b7c848e617a8a7.zip external_llvm-9fbd318d36e618fb08fb53bb48b7c848e617a8a7.tar.gz external_llvm-9fbd318d36e618fb08fb53bb48b7c848e617a8a7.tar.bz2 | |
The ARC language-specific optimizer. Credit to Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ObjCARC/weak.ll')
| -rw-r--r-- | test/Transforms/ObjCARC/weak.ll | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/Transforms/ObjCARC/weak.ll b/test/Transforms/ObjCARC/weak.ll new file mode 100644 index 0000000..85a290c --- /dev/null +++ b/test/Transforms/ObjCARC/weak.ll @@ -0,0 +1,57 @@ +; RUN: opt -objc-arc -S < %s | FileCheck %s + +declare i8* @objc_initWeak(i8**, i8*) +declare i8* @objc_storeWeak(i8**, i8*) +declare i8* @objc_loadWeak(i8**) +declare void @objc_destroyWeak(i8**) +declare i8* @objc_loadWeakRetained(i8**) +declare void @objc_moveWeak(i8**, i8**) +declare void @objc_copyWeak(i8**, i8**) + +; If the pointer-to-weak-pointer is null, it's undefined behavior. + +; CHECK: define void @test0( +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: store i8* undef, i8** null +; CHECK: ret void +define void @test0(i8* %p, i8** %q) { +entry: + call i8* @objc_storeWeak(i8** null, i8* %p) + call i8* @objc_storeWeak(i8** undef, i8* %p) + call i8* @objc_loadWeakRetained(i8** null) + call i8* @objc_loadWeakRetained(i8** undef) + call i8* @objc_loadWeak(i8** null) + call i8* @objc_loadWeak(i8** undef) + call i8* @objc_initWeak(i8** null, i8* %p) + call i8* @objc_initWeak(i8** undef, i8* %p) + call void @objc_destroyWeak(i8** null) + call void @objc_destroyWeak(i8** undef) + + call void @objc_copyWeak(i8** null, i8** %q) + call void @objc_copyWeak(i8** undef, i8** %q) + call void @objc_copyWeak(i8** %q, i8** null) + call void @objc_copyWeak(i8** %q, i8** undef) + + call void @objc_moveWeak(i8** null, i8** %q) + call void @objc_moveWeak(i8** undef, i8** %q) + call void @objc_moveWeak(i8** %q, i8** null) + call void @objc_moveWeak(i8** %q, i8** undef) + + ret void +} |