diff options
| -rw-r--r-- | clang/test/CodeGenObjC/arc-blocks.m | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/arc-blocks.m b/clang/test/CodeGenObjC/arc-blocks.m index f67136b7b22..06eb46b867d 100644 --- a/clang/test/CodeGenObjC/arc-blocks.m +++ b/clang/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)) { |
