1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/blocks.c b/test/CodeGen/blocks.c
new file mode 100644
index 0000000..39c5b06
--- /dev/null
+++ b/test/CodeGen/blocks.c
@@ -0,0 +1,30 @@
+// RUN: clang-cc -triple i386-unknown-unknown %s -emit-llvm -o %t -fblocks &&
+void (^f)(void) = ^{};
+
+// rdar://6768379
+int f0(int (^a0)()) {
+  return a0(1, 2, 3);
+}
+
+// Verify that attributes on blocks are set correctly.
+typedef struct s0 T;
+struct s0 {
+  int a[64];
+};
+
+// RUN: grep 'internal void @__f2_block_invoke_(.struct.s0\* noalias sret .*, .*, .* byval .*)' %t &&
+struct s0 f2(struct s0 a0) {
+  return ^(struct s0 a1){ return a1; }(a0);
+}
+
+// This should not crash: rdar://6808051
+void *P = ^{
+  void *Q = __func__;
+};
+
+void (^test1)(void) = ^(void) {
+  __block int i;
+  ^ { i = 1; }();
+};
+
+// RUN: true