clang/test/CodeGenObjC/arc-weak-property.m

   1 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck %s
   2 // rdar://8899430
   3
   4 @interface WeakPropertyTest {
   5     __weak id PROP;
   6 }
   7 @property () __weak id PROP;
   8 @end
   9
  10 @implementation WeakPropertyTest
  11 @synthesize PROP;
  12 @end
  13
  14 // CHECK:     define internal i8* @"\01-[WeakPropertyTest PROP]"
  15 // CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
  16 // CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
  17 // CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
  18 // CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
  19 // CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
  20 // CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
  21 // CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
  22 // CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
  23 // CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
  24 // CHECK-NEXT:  [[T5:%.*]] = call i8* @llvm.objc.loadWeakRetained(i8** [[T4]])
  25 // CHECK-NEXT:  [[T6:%.*]] = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* [[T5]])
  26 // CHECK-NEXT:  ret i8* [[T6]]
  27
  28 // CHECK:     define internal void @"\01-[WeakPropertyTest setPROP:]"
  29 // CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
  30 // CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
  31 // CHECK-NEXT:  [[PROP:%.*]] = alloca i8*,
  32 // CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
  33 // CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
  34 // CHECK-NEXT:  store i8* {{%.*}}, i8** [[PROP]]
  35 // CHECK-NEXT:  [[V:%.*]] = load i8*, i8** [[PROP]]
  36 // CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
  37 // CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
  38 // CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
  39 // CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
  40 // CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
  41 // CHECK-NEXT:  call i8* @llvm.objc.storeWeak(i8** [[T4]], i8* [[V]])
  42 // CHECK-NEXT:  ret void
  43
  44 // CHECK:     define internal void @"\01-[WeakPropertyTest .cxx_destruct]"
  45 // CHECK:       [[SELF:%.*]] = alloca [[WPT:%.*]]*,
  46 // CHECK-NEXT:  [[CMD:%.*]] = alloca i8*,
  47 // CHECK-NEXT:  store [[WPT]]* {{%.*}}, [[WPT]]** [[SELF]]
  48 // CHECK-NEXT:  store i8* {{%.*}}, i8** [[CMD]]
  49 // CHECK-NEXT:  [[T0:%.*]] = load [[WPT]]*, [[WPT]]** [[SELF]]
  50 // CHECK-NEXT:  [[T1:%.*]] = load i64, i64* @"OBJC_IVAR_$_WeakPropertyTest.PROP"
  51 // CHECK-NEXT:  [[T2:%.*]] = bitcast [[WPT]]* [[T0]] to i8*
  52 // CHECK-NEXT:  [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i64 [[T1]]
  53 // CHECK-NEXT:  [[T4:%.*]] = bitcast i8* [[T3]] to i8**
  54 // CHECK-NEXT:  call void @llvm.objc.destroyWeak(i8** [[T4]])
  55 // CHECK-NEXT:  ret void