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authorZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
committerZancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au>2012-09-24 09:58:17 +1000
commit222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch)
tree7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/CodeGenObjC/ns_consume_null_check.m
parent3d206f03985b50beacae843d880bccdc91a9f424 (diff)
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/CodeGenObjC/ns_consume_null_check.m')
-rw-r--r--clang/test/CodeGenObjC/ns_consume_null_check.m32
1 files changed, 32 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/ns_consume_null_check.m b/clang/test/CodeGenObjC/ns_consume_null_check.m
new file mode 100644
index 0000000..e3b6075
--- /dev/null
+++ b/clang/test/CodeGenObjC/ns_consume_null_check.m
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-dispatch-method=mixed -o - %s | FileCheck %s
+// rdar://10444476
+
+@interface NSObject
+- (id) new;
+@end
+
+@interface MyObject : NSObject
+- (char)isEqual:(id) __attribute__((ns_consumed)) object;
+@end
+
+MyObject *x;
+
+void foo()
+{
+ id obj = [NSObject new];
+ [x isEqual : obj];
+}
+
+// CHECK: [[TMP:%.*]] = alloca i8
+// CHECK: [[FIVE:%.*]] = call i8* @objc_retain
+// CHECK-NEXT: [[SIX:%.*]] = bitcast
+// CHECK-NEXT: [[SEVEN:%.*]] = icmp eq i8* [[SIX]], null
+// CHECK-NEXT: br i1 [[SEVEN]], label [[NULLINIT:%.*]], label [[CALL_LABEL:%.*]]
+// CHECK: [[FN:%.*]] = load i8** getelementptr inbounds
+// CHECK-NEXT: [[EIGHT:%.*]] = bitcast i8* [[FN]]
+// CHECK-NEXT: [[CALL:%.*]] = call signext i8 [[EIGHT]]
+// CHECK-NEXT store i8 [[CALL]], i8* [[TMP]]
+// CHECK-NEXT br label [[CONT:%.*]]
+// CHECK: call void @objc_release(i8* [[FIVE]]) nounwind
+// CHECK-NEXT: call void @llvm.memset
+// CHECK-NEXT br label [[CONT]]