summaryrefslogtreecommitdiffstats
path: root/test/CodeGenObjC/arc-unoptimized-byref-var.m
diff options
context:
space:
mode:
authordim <dim@FreeBSD.org>2013-04-08 18:45:10 +0000
committerdim <dim@FreeBSD.org>2013-04-08 18:45:10 +0000
commitc72c57c9e9b69944e3e009cd5e209634839581d3 (patch)
tree4fc2f184c499d106f29a386c452b49e5197bf63d /test/CodeGenObjC/arc-unoptimized-byref-var.m
parent5b20025c30d23d521e12c1f33ec8fa6b821952cd (diff)
downloadFreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.zip
FreeBSD-src-c72c57c9e9b69944e3e009cd5e209634839581d3.tar.gz
Vendor import of clang trunk r178860:
http://llvm.org/svn/llvm-project/cfe/trunk@178860
Diffstat (limited to 'test/CodeGenObjC/arc-unoptimized-byref-var.m')
-rw-r--r--test/CodeGenObjC/arc-unoptimized-byref-var.m16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGenObjC/arc-unoptimized-byref-var.m b/test/CodeGenObjC/arc-unoptimized-byref-var.m
new file mode 100644
index 0000000..d3189e1
--- /dev/null
+++ b/test/CodeGenObjC/arc-unoptimized-byref-var.m
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-UNOPT %s
+// rdar://12530881
+
+void test19() {
+ __block id x;
+// CHECK-UNOPT: define internal void @__Block_byref_object_copy
+// CHECK-UNOPT: [[X:%.*]] = getelementptr inbounds [[BYREF_T:%.*]]* [[VAR:%.*]], i32 0, i32 6
+// CHECK-UNOPT: [[X2:%.*]] = getelementptr inbounds [[BYREF_T:%.*]]* [[VAR1:%.*]], i32 0, i32 6
+// CHECK-UNOPT-NEXT: [[SIX:%.*]] = load i8** [[X2]], align 8
+// CHECK-UNOPT-NEXT: store i8* null, i8** [[X]], align 8
+// CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X]], i8* [[SIX]]) [[NUW:#[0-9]+]]
+// CHECK-UNOPT-NEXT: call void @objc_storeStrong(i8** [[X2]], i8* null) [[NUW]]
+// CHECK-UNOPT-NEXT: ret void
+}
+
+// CHECK: attributes [[NUW]] = { nounwind }
OpenPOWER on IntegriCloud