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annotate clang/test/CodeGenObjCXX/arc-constexpr.mm @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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150
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1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fobjc-runtime-has-weak -o - -std=c++11 %s | FileCheck %s
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2
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3 // CHECK: %[[TYPE:[a-z0-9]+]] = type opaque
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4 // CHECK: @[[CFSTRING:[a-z0-9_]+]] = private global %struct.__NSConstantString_tag
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5 @class NSString;
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6
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7 // CHECK-LABEL: define void @_Z5test1v
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8 // CHECK: %[[ALLOCA:[A-Z]+]] = alloca %[[TYPE]]*
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9 // CHECK: %[[V0:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]]
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10 // CHECK: %[[V1:[0-9]+]] = bitcast i8* %[[V0]] to %[[TYPE]]*
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11 // CHECK: store %[[TYPE]]* %[[V1]], %[[TYPE]]** %[[ALLOCA]]
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12 // CHECK: %[[V2:[0-9]+]] = bitcast %[[TYPE]]** %[[ALLOCA]]
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13 // CHECK: call void @llvm.objc.storeStrong(i8** %[[V2]], i8* null)
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14 void test1() {
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15 constexpr NSString *S = @"abc";
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16 }
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17
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18 // CHECK-LABEL: define void @_Z5test2v
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19 // CHECK: %[[CONST:[a-zA-Z]+]] = alloca %[[TYPE]]*
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20 // CHECK: %[[REF_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]*
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21 // CHECK: %[[V0:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]]
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22 // CHECK-NEXT: %[[V1:[0-9]+]] = bitcast i8* %[[V0]] to %[[TYPE]]*
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23 // CHECK-NEXT: store %[[TYPE]]* %[[V1]], %[[TYPE]]** %[[CONST]]
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24 // CHECK: %[[V2:[0-9]+]] = call i8* @llvm.objc.retain(i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]]
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25 // CHECK-NEXT: %[[V3:[0-9]+]] = bitcast i8* %[[V2]] to %[[TYPE]]*
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26 // CHECK-NEXT: store %[[TYPE]]* %[[V3]], %[[TYPE]]** %[[REF_CONST]]
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27 // CHECK: %[[V4:[0-9]+]] = bitcast %[[TYPE]]** %[[REF_CONST]]
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28 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V4]], i8* null)
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29 // CHECK: %[[V5:[0-9]+]] = bitcast %[[TYPE]]** %[[CONST]]
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30 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V5]], i8* null)
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31 void test2() {
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32 constexpr NSString *Const = @"abc";
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33 // In IR RefConst should be initialized with Const initializer instead of
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34 // reading from variable.
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35 NSString* RefConst = Const;
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36 }
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37
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38 // CHECK-LABEL: define void @_Z5test3v
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39 // CHECK: %[[WEAK_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]*
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40 // CHECK: %[[REF_WEAK_CONST:[a-zA-Z]+]] = alloca %[[TYPE]]*
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41 // CHECK: %[[V0:[0-9]+]] = bitcast %[[TYPE]]** %[[WEAK_CONST]]
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42 // CHECK-NEXT: %[[V1:[0-9]+]] = call i8* @llvm.objc.initWeak(i8** %[[V0]], i8* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]]
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43 // CHECK: store %[[TYPE]]* bitcast (%struct.__NSConstantString_tag* @[[CFSTRING]] to %[[TYPE]]*), %[[TYPE]]** %[[REF_WEAK_CONST]]
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44 // CHECK: %[[V2:[0-9]+]] = bitcast %[[TYPE]]** %[[REF_WEAK_CONST]]
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45 // CHECK-NEXT: call void @llvm.objc.storeStrong(i8** %[[V2]], i8* null)
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46 // CHECK: %[[V3:[0-9]+]] = bitcast %[[TYPE]]** %[[WEAK_CONST]]
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47 // CHECK-NEXT: call void @llvm.objc.destroyWeak(i8** %[[V3]])
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48 void test3() {
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49 __weak constexpr NSString *WeakConst = @"abc";
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50 NSString* RefWeakConst = WeakConst;
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51 }