diff options
| author | Alex Lorenz <arphaman@gmail.com> | 2017-02-24 00:09:30 +0000 |
|---|---|---|
| committer | Alex Lorenz <arphaman@gmail.com> | 2017-02-24 00:09:30 +0000 |
| commit | 502326209304ffddbd996f8d323cd3d7ad0dbacd (patch) | |
| tree | ef842155291b7cbbd676ca27540ddff789dbe3ec /test/CodeGenObjC | |
| parent | 25a675ef7db4331b01f4ed961311550f582b14b4 (diff) | |
NFC, Add a test that ensures that we don't emit helper code in copy/dispose
routines for objects that are captured with the __unsafe_unretained
ownership qualifier
This is a preparation commit that improves code-coverage in code that emits
block copy/dispose routines.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296048 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenObjC')
| -rw-r--r-- | test/CodeGenObjC/arc-blocks.m | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGenObjC/arc-blocks.m b/test/CodeGenObjC/arc-blocks.m index f67136b7b2..06eb46b867 100644 --- a/test/CodeGenObjC/arc-blocks.m +++ b/test/CodeGenObjC/arc-blocks.m @@ -667,6 +667,41 @@ void test18(id x) { // CHECK-UNOPT-NEXT: ret void } +// Ensure that we don't emit helper code in copy/dispose routines for variables +// that are const-captured. +void testUnsafeUnretainedLifetimeInCopyAndDestroyHelpers(id x, id y) { + id __unsafe_unretained unsafeObject = x; + (^ { testUnsafeUnretainedLifetimeInCopyAndDestroyHelpers(x, unsafeObject); })(); +} + +// CHECK-LABEL: testUnsafeUnretainedLifetimeInCopyAndDestroyHelpers_block_invoke +// CHECK-UNOPT-LABEL: testUnsafeUnretainedLifetimeInCopyAndDestroyHelpers_block_invoke + +// CHECK-UNOPT: @__copy_helper_block +// CHECK-UNOPT: alloca +// CHECK-UNOPT-NEXT: alloca +// CHECK-UNOPT-NEXT: store +// CHECK-UNOPT-NEXT: store +// CHECK-UNOPT-NEXT: load +// CHECK-UNOPT-NEXT: bitcast +// CHECK-UNOPT-NEXT: load +// CHECK-UNOPT-NEXT: bitcast +// CHECK-UNOPT-NEXT: getelementptr +// CHECK-UNOPT-NEXT: getelementptr +// CHECK-UNOPT-NEXT: load +// CHECK-UNOPT-NEXT: store +// CHECK-UNOPT-NEXT: call void @objc_storeStrong +// CHECK-UNOPT-NEXT: ret + +// CHECK-UNOPT: @__destroy_helper_block +// CHECK-UNOPT: alloca +// CHECK-UNOPT-NEXT: store +// CHECK-UNOPT-NEXT: load +// CHECK-UNOPT-NEXT: bitcast +// CHECK-UNOPT-NEXT: getelementptr +// CHECK-UNOPT-NEXT: call void @objc_storeStrong +// CHECK-UNOPT-NEXT: ret + // rdar://13588325 void test19_sink(void (^)(int)); void test19(void (^b)(void)) { |