1 files changed, 17 insertions, 0 deletions
diff --git a/clang/test/CodeGen/block-byref-aggr.c b/clang/test/CodeGen/block-byref-aggr.c
new file mode 100644
index 0000000..3027df0
--- /dev/null
+++ b/clang/test/CodeGen/block-byref-aggr.c
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -fblocks -triple x86_64-apple-darwin10 | FileCheck %s
+// rdar://9309454
+
+typedef struct { int v; } RetType;
+
+RetType func();
+
+int main () {
+ __attribute__((__blocks__(byref))) RetType a = {100};
+
+ a = func();
+}
+// CHECK: [[C1:%.*]] = call i32 (...)* @func()
+// CHECK-NEXT: [[CO:%.*]] = getelementptr
+// CHECK-NEXT: store i32 [[C1]], i32* [[CO]]
+// CHECK-NEXT: [[FORWARDING:%.*]] = getelementptr inbounds [[BR:%.*]]* [[A:%.*]], i32 0, i32 1
+// CHECK-NEXT: [[O:%.*]] = load [[BR]]** [[FORWARDING]]