annotate clang/test/CodeGenObjC/arc-rv-attr.m @ 252:1f2b6ac9f198 llvm-original

LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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252
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1 // RUN: %clang_cc1 -triple arm64-apple-ios9 -fobjc-runtime=ios-9.0 -fobjc-arc -O -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK
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2 // RUN: %clang_cc1 -triple x86_64-apple-macosx10 -fobjc-runtime=ios-9.0 -fobjc-arc -O -disable-llvm-passes -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK
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3
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4 @class A;
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5
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6 A *makeA(void);
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7
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8 void test_assign(void) {
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9 __unsafe_unretained id x;
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10 x = makeA();
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11 }
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12 // CHECK-LABEL: define{{.*}} void @test_assign()
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13 // CHECK: [[X:%.*]] = alloca ptr
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14 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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15 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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16 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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17 // CHECK-NEXT: lifetime.end
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18 // CHECK-NEXT: ret void
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19
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20 void test_assign_assign(void) {
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21 __unsafe_unretained id x, y;
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22 x = y = makeA();
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23 }
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24 // CHECK-LABEL: define{{.*}} void @test_assign_assign()
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25 // CHECK: [[X:%.*]] = alloca ptr
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26 // CHECK: [[Y:%.*]] = alloca ptr
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27 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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28 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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29 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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30 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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31 // CHECK-NEXT: lifetime.end
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32 // CHECK-NEXT: lifetime.end
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33 // CHECK-NEXT: ret void
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34
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35 void test_strong_assign_assign(void) {
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36 __strong id x;
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37 __unsafe_unretained id y;
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38 x = y = makeA();
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39 }
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40 // CHECK-LABEL: define{{.*}} void @test_strong_assign_assign()
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41 // CHECK: [[X:%.*]] = alloca ptr
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42 // CHECK: [[Y:%.*]] = alloca ptr
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43 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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44 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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45 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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46 // CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[X]]
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47 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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48 // CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]]
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49 // CHECK-NEXT: lifetime.end
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50 // CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[X]]
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51 // CHECK-NEXT: call void @llvm.objc.release(ptr [[T0]])
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52 // CHECK-NEXT: lifetime.end
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53 // CHECK-NEXT: ret void
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54
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55 void test_assign_strong_assign(void) {
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56 __unsafe_unretained id x;
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57 __strong id y;
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58 x = y = makeA();
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59 }
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60 // CHECK-LABEL: define{{.*}} void @test_assign_strong_assign()
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61 // CHECK: [[X:%.*]] = alloca ptr
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62 // CHECK: [[Y:%.*]] = alloca ptr
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63 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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64 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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65 // CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[Y]]
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66 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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67 // CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]]
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68 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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69 // CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]
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70 // CHECK-NEXT: call void @llvm.objc.release(ptr [[T0]])
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71 // CHECK-NEXT: lifetime.end
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72 // CHECK-NEXT: lifetime.end
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73 // CHECK-NEXT: ret void
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74
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75 void test_init(void) {
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76 __unsafe_unretained id x = makeA();
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77 }
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78 // CHECK-LABEL: define{{.*}} void @test_init()
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79 // CHECK: [[X:%.*]] = alloca ptr
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80 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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81 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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82 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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83 // CHECK-NEXT: lifetime.end
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84 // CHECK-NEXT: ret void
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85
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86 void test_init_assignment(void) {
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87 __unsafe_unretained id x;
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88 __unsafe_unretained id y = x = makeA();
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89 }
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90 // CHECK-LABEL: define{{.*}} void @test_init_assignment()
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91 // CHECK: [[X:%.*]] = alloca ptr
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92 // CHECK: [[Y:%.*]] = alloca ptr
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93 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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94 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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95 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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96 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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97 // CHECK-NEXT: lifetime.end
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98 // CHECK-NEXT: lifetime.end
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99 // CHECK-NEXT: ret void
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100
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101 void test_strong_init_assignment(void) {
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102 __unsafe_unretained id x;
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103 __strong id y = x = makeA();
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104 }
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105 // CHECK-LABEL: define{{.*}} void @test_strong_init_assignment()
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106 // CHECK: [[X:%.*]] = alloca ptr
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107 // CHECK: [[Y:%.*]] = alloca ptr
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108 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
221
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109 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
252
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110 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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111 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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112 // CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[Y]]
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113 // CHECK-NEXT: call void @llvm.objc.release(ptr [[T0]])
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114 // CHECK-NEXT: lifetime.end
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115 // CHECK-NEXT: lifetime.end
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116 // CHECK-NEXT: ret void
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117
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118 void test_init_strong_assignment(void) {
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119 __strong id x;
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120 __unsafe_unretained id y = x = makeA();
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121 }
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122 // CHECK-LABEL: define{{.*}} void @test_init_strong_assignment()
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123 // CHECK: [[X:%.*]] = alloca ptr
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124 // CHECK: [[Y:%.*]] = alloca ptr
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125 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ]
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126 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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127 // CHECK-NEXT: [[OLD:%.*]] = load ptr, ptr [[X]]
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128 // CHECK-NEXT: store ptr [[T0]], ptr [[X]]
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129 // CHECK-NEXT: call void @llvm.objc.release(ptr [[OLD]])
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130 // CHECK-NEXT: store ptr [[T0]], ptr [[Y]]
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131 // CHECK-NEXT: lifetime.end
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132 // CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[X]]
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133 // CHECK-NEXT: call void @llvm.objc.release(ptr [[T0]])
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134 // CHECK-NEXT: lifetime.end
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135 // CHECK-NEXT: ret void
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136
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137 void test_ignored(void) {
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138 makeA();
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139 }
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140 // CHECK-LABEL: define{{.*}} void @test_ignored()
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141 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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142 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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143 // CHECK-NEXT: ret void
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144
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145 void test_cast_to_void(void) {
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146 (void) makeA();
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147 }
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148 // CHECK-LABEL: define{{.*}} void @test_cast_to_void()
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149 // CHECK: [[T0:%.*]] = call ptr @makeA() [ "clang.arc.attachedcall"(ptr @llvm.objc.unsafeClaimAutoreleasedReturnValue) ]
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150 // CHECK-NEXT: call void (...) @llvm.objc.clang.arc.noop.use({{.*}} [[T0]])
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151 // CHECK-NEXT: ret void
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152
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153 // This is always at the end of the module.
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154
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155 // CHECK-OPTIMIZED: !llvm.module.flags = !{!0,
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156 // CHECK-OPTIMIZED: !0 = !{i32 1, !"clang.arc.retainAutoreleasedReturnValueMarker", !"mov{{.*}}marker for objc_retainAutoreleaseReturnValue"}