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Diffstat (limited to 'clang/test/CodeGenObjC')
-rw-r--r-- | clang/test/CodeGenObjC/blocks.m | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/blocks.m b/clang/test/CodeGenObjC/blocks.m index 06dc908f2ba..151c1623421 100644 --- a/clang/test/CodeGenObjC/blocks.m +++ b/clang/test/CodeGenObjC/blocks.m @@ -87,3 +87,16 @@ void test2(Test2 *x) { __weak __block Test2 *weakX = x; test2_helper(^{ [weakX destroy]; }); } + +// rdar://problem/9124263 +// In the test above, check that the use in the invocation function +// doesn't require a read barrier. +// CHECK: define internal void @__test2_block_invoke_ +// CHECK: [[BLOCK:%.*]] = bitcast i8* {{%.*}} to [[BLOCK_T]]* +// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 +// CHECK-NEXT: [[T1:%.*]] = load i8** [[T0]] +// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[WEAK_T]]* +// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[WEAK_T]]* [[T2]], i32 0, i32 1 +// CHECK-NEXT: [[T4:%.*]] = load [[WEAK_T]]** [[T3]] +// CHECK-NEXT: [[WEAKX:%.*]] = getelementptr inbounds [[WEAK_T]]* [[T4]], i32 0, i32 6 +// CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]** [[WEAKX]], align 4 |