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

1 files changed, 30 insertions, 0 deletions

diff --git a/clang/test/CodeGenObjC/objc2-write-barrier-4.m b/clang/test/CodeGenObjC/objc2-write-barrier-4.m
new file mode 100644
index 0000000..4089920
--- /dev/null
+++ b/clang/test/CodeGenObjC/objc2-write-barrier-4.m
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-fragile-abi -fobjc-gc -emit-llvm -o %t %s
+// RUN: grep objc_assign_global %t | count 3
+// RUN: grep objc_assign_strongCast %t | count 2
+// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-fragile-abi -fobjc-gc -emit-llvm -o %t %s
+// RUN: grep objc_assign_global %t | count 3
+// RUN: grep objc_assign_strongCast %t | count 2
+
+@interface A
+@end
+
+typedef struct s0 {
+  A *a[4];
+} T;
+
+T g0;
+
+void f0(id x) {
+  g0.a[0] = x;
+}
+
+void f1(id x) {
+  ((T*) &g0)->a[0] = x;
+}
+
+void f2(unsigned idx)
+{
+   id *keys;
+   keys[idx] = 0;
+}
+