}
// Otherwise, if the qualifiers actually conflict, pull sugar off
- // until we reach a type that is directly qualified.
+ // and remove the ObjCLifetime qualifiers.
if (previousLifetime != lifetime) {
- // This should always terminate: the canonical type is
- // qualified, so some bit of sugar must be hiding it.
- while (!underlyingType.Quals.hasObjCLifetime()) {
+ // It's possible to have multiple local ObjCLifetime qualifiers. We
+ // can't stop after we reach a type that is directly qualified.
+ const Type *prevTy = nullptr;
+ while (!prevTy || prevTy != underlyingType.Ty) {
+ prevTy = underlyingType.Ty;
underlyingType = underlyingType.getSingleStepDesugaredType();
}
underlyingType.Quals.removeObjCLifetime();
--- /dev/null
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-arc -fobjc-runtime-has-weak %s -emit-llvm -o - | FileCheck %s
+
+// CHECK: bitcast {{.*}} %self_weak_s_w_s
+// CHECK-NEXT: objc_destroyWeak
+// CHECK-NEXT: bitcast {{.*}} %self_strong_w_s
+// CHECK-NEXT: objc_storeStrong
+// CHECK-NEXT: bitcast {{.*}} %self_weak_s
+// CHECK-NEXT: objc_destroyWeak
+// CHECK-NEXT: bitcast {{.*}} %self_weak_s3
+// CHECK-NEXT: objc_destroyWeak
+// CHECK-NEXT: bitcast {{.*}} %self_strong3
+// CHECK-NEXT: objc_storeStrong
+// CHECK-NEXT: bitcast {{.*}} %self_strong2
+// CHECK-NEXT: objc_storeStrong
+// CHECK-NEXT: bitcast {{.*}} %self_strong
+// CHECK-NEXT: objc_storeStrong
+@interface NSObject
+@end
+@interface A : NSObject
+@end
+@implementation A
+- (void)test {
+ __attribute__((objc_ownership(strong))) __typeof__(self) self_strong;
+ __attribute__((objc_ownership(strong))) __typeof__(self_strong) self_strong2;
+ __attribute__((objc_ownership(strong))) __typeof__(self_strong2) self_strong3;
+ __attribute__((objc_ownership(weak))) __typeof__(self_strong3) self_weak_s3;
+
+ __attribute__((objc_ownership(weak))) __typeof__(self_strong) self_weak_s;
+ __attribute__((objc_ownership(strong))) __typeof__(self_weak_s) self_strong_w_s;
+ __attribute__((objc_ownership(weak))) __typeof__(self_strong_w_s) self_weak_s_w_s;
+}
+@end