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diff clang/test/CodeGenObjC/objc-read-weak-byref.m @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children c4bab56944e8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/CodeGenObjC/objc-read-weak-byref.m	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -fblocks -fobjc-gc -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
+// RUN: FileCheck %s
+// RUN: %clang_cc1 -fblocks -fobjc-gc -triple i386-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o - | \
+// RUN: FileCheck %s
+
+@interface NSObject 
+- copy;
+@end
+
+int main() {
+    NSObject *object = 0;
+    __weak __block NSObject* weak_object = object;
+    void (^callback) (void) = [^{
+        if (weak_object)
+                [weak_object copy];
+    } copy];
+    callback();
+    return 0;
+}
+
+// CHECK: call i8* @objc_read_weak
+// CHECK: call i8* @objc_read_weak