Add the clang library to the repo (with some of my changes, too).

1 files changed, 22 insertions, 0 deletions

diff --git a/clang/test/CodeGenObjC/arc-block-copy-escape.m b/clang/test/CodeGenObjC/arc-block-copy-escape.m
new file mode 100644
index 0000000..15c0d1d
--- /dev/null
+++ b/clang/test/CodeGenObjC/arc-block-copy-escape.m
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck %s
+
+typedef void (^block_t)(void);
+void use_block(block_t);
+void use_int(int);
+
+// rdar://problem/10211676
+
+void test0(int i) {
+  block_t block = ^{ use_int(i); };
+  // CHECK:   define void @test0(
+  // CHECK:     call i8* @objc_retainBlock(i8* {{%.*}}) nounwind, !clang.arc.copy_on_escape
+  // CHECK:     ret void
+}
+
+void test1(int i) {
+  id block = ^{ use_int(i); };
+  // CHECK:   define void @test1(
+  // CHECK:     call i8* @objc_retainBlock(i8* {{%.*}}) nounwind
+  // CHECK-NOT: !clang.arc.copy_on_escape
+  // CHECK:     ret void
+}