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-rw-r--r--clang/test/CodeGenObjC/arc-weak-property.m55
1 files changed, 55 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/arc-weak-property.m b/clang/test/CodeGenObjC/arc-weak-property.m
new file mode 100644
index 0000000..0a6b2a6
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+++ b/clang/test/CodeGenObjC/arc-weak-property.m
@@ -0,0 +1,55 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck %s
+// rdar://8899430
+
+@interface WeakPropertyTest {
+ __weak id PROP;
+}
+@property () __weak id PROP;
+@end
+
+@implementation WeakPropertyTest
+@synthesize PROP;
+@end
+
+// CHECK: define internal i8* @"\01-[WeakPropertyTest PROP]"
+// CHECK: [[SELF:%.*]] = alloca [[WPT:%.*]]*,
+// CHECK-NEXT: [[CMD:%.*]] = alloca i8*,
+// CHECK-NEXT: store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
+// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
+// CHECK-NEXT: [[T0:%.*]] = load [[WPT]]** [[SELF]]
+// CHECK-NEXT: [[T1:%.*]] = load i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
+// CHECK-NEXT: [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
+// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 [[T1]]
+// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8**
+// CHECK-NEXT: [[T5:%.*]] = call i8* @objc_loadWeakRetained(i8** [[T4]])
+// CHECK-NEXT: [[T6:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[T5]])
+// CHECK-NEXT: ret i8* [[T6]]
+
+// CHECK: define internal void @"\01-[WeakPropertyTest setPROP:]"
+// CHECK: [[SELF:%.*]] = alloca [[WPT:%.*]]*,
+// CHECK-NEXT: [[CMD:%.*]] = alloca i8*,
+// CHECK-NEXT: [[PROP:%.*]] = alloca i8*,
+// CHECK-NEXT: store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
+// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
+// CHECK-NEXT: store i8* {{%.*}}, i8** [[PROP]]
+// CHECK-NEXT: [[V:%.*]] = load i8** [[PROP]]
+// CHECK-NEXT: [[T0:%.*]] = load [[WPT]]** [[SELF]]
+// CHECK-NEXT: [[T1:%.*]] = load i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
+// CHECK-NEXT: [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
+// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 [[T1]]
+// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8**
+// CHECK-NEXT: call i8* @objc_storeWeak(i8** [[T4]], i8* [[V]])
+// CHECK-NEXT: ret void
+
+// CHECK: define internal void @"\01-[WeakPropertyTest .cxx_destruct]"
+// CHECK: [[SELF:%.*]] = alloca [[WPT:%.*]]*,
+// CHECK-NEXT: [[CMD:%.*]] = alloca i8*,
+// CHECK-NEXT: store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
+// CHECK-NEXT: store i8* {{%.*}}, i8** [[CMD]]
+// CHECK-NEXT: [[T0:%.*]] = load [[WPT]]** [[SELF]]
+// CHECK-NEXT: [[T1:%.*]] = load i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
+// CHECK-NEXT: [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
+// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 [[T1]]
+// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i8**
+// CHECK-NEXT: call void @objc_destroyWeak(i8** [[T4]])
+// CHECK-NEXT: ret void