diff options
Diffstat (limited to 'test/CodeGenObjC/arc-unoptimized-byref-var.m')
| -rw-r--r-- | test/CodeGenObjC/arc-unoptimized-byref-var.m | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGenObjC/arc-unoptimized-byref-var.m b/test/CodeGenObjC/arc-unoptimized-byref-var.m new file mode 100644 index 000000000000..d3189e15d3d1 --- /dev/null +++ b/test/CodeGenObjC/arc-unoptimized-byref-var.m @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-UNOPT %s +// rdar://12530881 + +void test19() { + __block id x; +// CHECK-UNOPT: define internal void @__Block_byref_object_copy +// CHECK-UNOPT: [[X:%.*]] = getelementptr inbounds [[BYREF_T:%.*]]* [[VAR:%.*]], i32 0, i32 6 +// CHECK-UNOPT: [[X2:%.*]] = getelementptr inbounds [[BYREF_T:%.*]]* [[VAR1:%.*]], i32 0, i32 6 +// CHECK-UNOPT-NEXT: [[SIX:%.*]] = load i8** [[X2]], align 8 +// CHECK-UNOPT-NEXT: store i8* null, i8** [[X]], align 8 +// CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X]], i8* [[SIX]]) [[NUW:#[0-9]+]] +// CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X2]], i8* null) [[NUW]] +// CHECK-UNOPT-NEXT: ret void +} + +// CHECK: attributes [[NUW]] = { nounwind } |