John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -O2 -disable-llvm-optzns -o - %s | FileCheck %s |
| 2 | |
| 3 | // This shouldn't crash. |
| 4 | void test0(id (^maker)(void)) { |
| 5 | maker(); |
| 6 | } |
| 7 | |
| 8 | int (^test1(int x))(void) { |
| 9 | // CHECK: define i32 ()* @test1( |
| 10 | // CHECK: [[X:%.*]] = alloca i32, |
| 11 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 12 | // CHECK-NEXT: store i32 {{%.*}}, i32* [[X]] |
| 13 | // CHECK: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to i32 ()* |
| 14 | // CHECK-NEXT: [[T1:%.*]] = bitcast i32 ()* [[T0]] to i8* |
| 15 | // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) nounwind |
| 16 | // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to i32 ()* |
| 17 | // CHECK-NEXT: [[T4:%.*]] = bitcast i32 ()* [[T3]] to i8* |
| 18 | // CHECK-NEXT: [[T5:%.*]] = call i8* @objc_autoreleaseReturnValue(i8* [[T4]]) nounwind |
| 19 | // CHECK-NEXT: [[T6:%.*]] = bitcast i8* [[T5]] to i32 ()* |
| 20 | // CHECK-NEXT: ret i32 ()* [[T6]] |
| 21 | return ^{ return x; }; |
| 22 | } |
| 23 | |
| 24 | void test2(id x) { |
| 25 | // CHECK: define void @test2( |
| 26 | // CHECK: [[X:%.*]] = alloca i8*, |
| 27 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 28 | // CHECK-NEXT: [[PARM:%.*]] = call i8* @objc_retain(i8* {{%.*}}) |
| 29 | // CHECK-NEXT: store i8* [[PARM]], i8** [[X]] |
John McCall | 1a343eb | 2011-11-10 08:15:53 +0000 | [diff] [blame] | 30 | // CHECK-NEXT: [[SLOTREL:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 31 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 32 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], |
| 33 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) |
| 34 | // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]], |
| 35 | // CHECK-NEXT: bitcast |
| 36 | // CHECK-NEXT: call void @test2_helper( |
John McCall | 1a343eb | 2011-11-10 08:15:53 +0000 | [diff] [blame] | 37 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOTREL]] |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 38 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release |
| 39 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]] |
| 40 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) nounwind, !clang.imprecise_release |
| 41 | // CHECK-NEXT: ret void |
| 42 | extern void test2_helper(id (^)(void)); |
| 43 | test2_helper(^{ return x; }); |
| 44 | } |
| 45 | |
| 46 | void test3(void (^sink)(id*)) { |
| 47 | __strong id strong; |
| 48 | sink(&strong); |
| 49 | |
| 50 | // CHECK: define void @test3( |
| 51 | // CHECK: [[SINK:%.*]] = alloca void (i8**)* |
| 52 | // CHECK-NEXT: [[STRONG:%.*]] = alloca i8* |
| 53 | // CHECK-NEXT: [[TEMP:%.*]] = alloca i8* |
| 54 | // CHECK-NEXT: bitcast void (i8**)* {{%.*}} to i8* |
| 55 | // CHECK-NEXT: call i8* @objc_retain( |
| 56 | // CHECK-NEXT: bitcast i8* |
| 57 | // CHECK-NEXT: store void (i8**)* {{%.*}}, void (i8**)** [[SINK]] |
| 58 | // CHECK-NEXT: store i8* null, i8** [[STRONG]] |
| 59 | |
| 60 | // CHECK-NEXT: load void (i8**)** [[SINK]] |
| 61 | // CHECK-NEXT: bitcast |
| 62 | // CHECK-NEXT: getelementptr |
| 63 | // CHECK-NEXT: [[BLOCK:%.*]] = bitcast |
| 64 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[STRONG]] |
| 65 | // CHECK-NEXT: store i8* [[T0]], i8** [[TEMP]] |
| 66 | // CHECK-NEXT: [[F0:%.*]] = load i8** |
| 67 | // CHECK-NEXT: [[F1:%.*]] = bitcast i8* [[F0]] to void (i8*, i8**)* |
| 68 | // CHECK-NEXT: call void [[F1]](i8* [[BLOCK]], i8** [[TEMP]]) |
| 69 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[TEMP]] |
| 70 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) |
| 71 | // CHECK-NEXT: [[T2:%.*]] = load i8** [[STRONG]] |
| 72 | // CHECK-NEXT: store i8* [[T1]], i8** [[STRONG]] |
| 73 | // CHECK-NEXT: call void @objc_release(i8* [[T2]]) |
| 74 | |
| 75 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[STRONG]] |
| 76 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) |
| 77 | |
| 78 | // CHECK-NEXT: load void (i8**)** [[SINK]] |
| 79 | // CHECK-NEXT: bitcast |
| 80 | // CHECK-NEXT: call void @objc_release |
| 81 | // CHECK-NEXT: ret void |
| 82 | |
| 83 | } |
| 84 | |
| 85 | void test4(void) { |
| 86 | id test4_source(void); |
| 87 | void test4_helper(void (^)(void)); |
| 88 | __block id var = test4_source(); |
| 89 | test4_helper(^{ var = 0; }); |
| 90 | |
| 91 | // CHECK: define void @test4() |
| 92 | // CHECK: [[VAR:%.*]] = alloca [[BYREF_T:%.*]], |
| 93 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 94 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 2 |
| 95 | // 0x02000000 - has copy/dispose helpers |
| 96 | // CHECK-NEXT: store i32 33554432, i32* [[T0]] |
| 97 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6 |
| 98 | // CHECK-NEXT: [[T0:%.*]] = call i8* @test4_source() |
| 99 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) |
| 100 | // CHECK-NEXT: store i8* [[T1]], i8** [[SLOT]] |
| 101 | // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6 |
| 102 | // 0x42000000 - has signature, copy/dispose helpers |
| 103 | // CHECK: store i32 1107296256, |
| 104 | // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8* |
| 105 | // CHECK-NEXT: store i8* [[T0]], i8** |
| 106 | // CHECK: call void @test4_helper( |
| 107 | // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8* |
| 108 | // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8) |
| 109 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]] |
| 110 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) |
| 111 | // CHECK-NEXT: ret void |
| 112 | |
| 113 | // CHECK: define internal void @__Block_byref_object_copy_ |
| 114 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 115 | // CHECK-NEXT: load i8** |
| 116 | // CHECK-NEXT: bitcast i8* {{%.*}} to [[BYREF_T]]* |
| 117 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 118 | // CHECK-NEXT: [[T2:%.*]] = load i8** [[T1]] |
| 119 | // CHECK-NEXT: store i8* [[T2]], i8** [[T0]] |
| 120 | // CHECK-NEXT: store i8* null, i8** [[T1]] |
| 121 | |
| 122 | // CHECK: define internal void @__Block_byref_object_dispose_ |
| 123 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 124 | // CHECK-NEXT: [[T1:%.*]] = load i8** [[T0]] |
| 125 | // CHECK-NEXT: call void @objc_release(i8* [[T1]]) |
| 126 | |
| 127 | // CHECK: define internal void @__test4_block_invoke_ |
| 128 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds {{.*}}, i32 0, i32 6 |
| 129 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[SLOT]], align 8 |
| 130 | // CHECK-NEXT: store i8* null, i8** [[SLOT]], |
| 131 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) |
| 132 | // CHECK-NEXT: ret void |
| 133 | |
| 134 | // CHECK: define internal void @__copy_helper_block_ |
| 135 | // CHECK: call void @_Block_object_assign(i8* {{%.*}}, i8* {{%.*}}, i32 8) |
| 136 | |
| 137 | // CHECK: define internal void @__destroy_helper_block_ |
| 138 | // CHECK: call void @_Block_object_dispose(i8* {{%.*}}, i32 8) |
| 139 | } |
| 140 | |
| 141 | void test5(void) { |
| 142 | extern id test5_source(void); |
| 143 | void test5_helper(void (^)(void)); |
| 144 | __unsafe_unretained id var = test5_source(); |
| 145 | test5_helper(^{ (void) var; }); |
| 146 | |
| 147 | // CHECK: define void @test5() |
| 148 | // CHECK: [[VAR:%.*]] = alloca i8* |
| 149 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 150 | // CHECK: [[T0:%.*]] = call i8* @test5_source() |
| 151 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) |
| 152 | // CHECK-NEXT: store i8* [[T1]], i8** [[VAR]], |
| 153 | // CHECK-NEXT: call void @objc_release(i8* [[T1]]) |
| 154 | // 0x40000000 - has signature but no copy/dispose |
| 155 | // CHECK: store i32 1073741824, i32* |
| 156 | // CHECK: [[CAPTURE:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 157 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[VAR]] |
| 158 | // CHECK-NEXT: store i8* [[T0]], i8** [[CAPTURE]] |
| 159 | // CHECK-NEXT: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to |
| 160 | // CHECK: call void @test5_helper |
| 161 | // CHECK-NEXT: ret void |
| 162 | } |
| 163 | |
| 164 | void test6(void) { |
| 165 | id test6_source(void); |
| 166 | void test6_helper(void (^)(void)); |
| 167 | __block __weak id var = test6_source(); |
| 168 | test6_helper(^{ var = 0; }); |
| 169 | |
| 170 | // CHECK: define void @test6() |
| 171 | // CHECK: [[VAR:%.*]] = alloca [[BYREF_T:%.*]], |
| 172 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 173 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 2 |
| 174 | // 0x02000000 - has copy/dispose helpers |
| 175 | // CHECK-NEXT: store i32 33554432, i32* [[T0]] |
| 176 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6 |
| 177 | // CHECK-NEXT: [[T0:%.*]] = call i8* @test6_source() |
| 178 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) |
| 179 | // CHECK-NEXT: call i8* @objc_initWeak(i8** [[SLOT]], i8* [[T1]]) |
| 180 | // CHECK-NEXT: call void @objc_release(i8* [[T1]]) |
| 181 | // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[VAR]], i32 0, i32 6 |
| 182 | // 0x42000000 - has signature, copy/dispose helpers |
| 183 | // CHECK: store i32 1107296256, |
| 184 | // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8* |
| 185 | // CHECK-NEXT: store i8* [[T0]], i8** |
| 186 | // CHECK: call void @test6_helper( |
| 187 | // CHECK: [[T0:%.*]] = bitcast [[BYREF_T]]* [[VAR]] to i8* |
| 188 | // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8) |
| 189 | // CHECK-NEXT: call void @objc_destroyWeak(i8** [[SLOT]]) |
| 190 | // CHECK-NEXT: ret void |
| 191 | |
| 192 | // CHECK: define internal void @__Block_byref_object_copy_ |
| 193 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 194 | // CHECK-NEXT: load i8** |
| 195 | // CHECK-NEXT: bitcast i8* {{%.*}} to [[BYREF_T]]* |
| 196 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 197 | // CHECK-NEXT: call void @objc_moveWeak(i8** [[T0]], i8** [[T1]]) |
| 198 | |
| 199 | // CHECK: define internal void @__Block_byref_object_dispose_ |
| 200 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* {{%.*}}, i32 0, i32 6 |
| 201 | // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) |
| 202 | |
| 203 | // CHECK: define internal void @__test6_block_invoke_ |
| 204 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds {{.*}}, i32 0, i32 6 |
| 205 | // CHECK-NEXT: call i8* @objc_storeWeak(i8** [[SLOT]], i8* null) |
| 206 | // CHECK-NEXT: ret void |
| 207 | |
| 208 | // CHECK: define internal void @__copy_helper_block_ |
| 209 | // 0x8 - FIELD_IS_BYREF (no FIELD_IS_WEAK because clang in control) |
| 210 | // CHECK: call void @_Block_object_assign(i8* {{%.*}}, i8* {{%.*}}, i32 8) |
| 211 | |
| 212 | // CHECK: define internal void @__destroy_helper_block_ |
| 213 | // 0x8 - FIELD_IS_BYREF (no FIELD_IS_WEAK because clang in control) |
| 214 | // CHECK: call void @_Block_object_dispose(i8* {{%.*}}, i32 8) |
| 215 | } |
| 216 | |
| 217 | void test7(void) { |
| 218 | id test7_source(void); |
| 219 | void test7_helper(void (^)(void)); |
| 220 | void test7_consume(id); |
| 221 | __weak id var = test7_source(); |
| 222 | test7_helper(^{ test7_consume(var); }); |
| 223 | |
| 224 | // CHECK: define void @test7() |
| 225 | // CHECK: [[VAR:%.*]] = alloca i8*, |
| 226 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 227 | // CHECK: [[T0:%.*]] = call i8* @test7_source() |
| 228 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainAutoreleasedReturnValue(i8* [[T0]]) |
| 229 | // CHECK-NEXT: call i8* @objc_initWeak(i8** [[VAR]], i8* [[T1]]) |
| 230 | // CHECK-NEXT: call void @objc_release(i8* [[T1]]) |
| 231 | // 0x42000000 - has signature, copy/dispose helpers |
| 232 | // CHECK: store i32 1107296256, |
| 233 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 234 | // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_loadWeak(i8** [[VAR]]) |
| 235 | // CHECK-NEXT: call i8* @objc_initWeak(i8** [[SLOT]], i8* [[T0]]) |
| 236 | // CHECK: call void @test7_helper( |
John McCall | 1a343eb | 2011-11-10 08:15:53 +0000 | [diff] [blame] | 237 | // CHECK-NEXT: call void @objc_destroyWeak(i8** {{%.*}}) |
John McCall | b99785b | 2011-11-10 09:22:44 +0000 | [diff] [blame^] | 238 | // CHECK-NEXT: call void @objc_destroyWeak(i8** [[VAR]]) |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 239 | // CHECK-NEXT: ret void |
| 240 | |
| 241 | // CHECK: define internal void @__test7_block_invoke_ |
| 242 | // CHECK: [[SLOT:%.*]] = getelementptr inbounds [[BLOCK_T]]* {{%.*}}, i32 0, i32 5 |
| 243 | // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_loadWeak(i8** [[SLOT]]) |
| 244 | // CHECK-NEXT: call void @test7_consume(i8* [[T0]]) |
| 245 | // CHECK-NEXT: ret void |
| 246 | |
| 247 | // CHECK: define internal void @__copy_helper_block_ |
| 248 | // CHECK: getelementptr |
| 249 | // CHECK-NEXT: getelementptr |
| 250 | // CHECK-NEXT: call void @objc_copyWeak( |
| 251 | |
| 252 | // CHECK: define internal void @__destroy_helper_block_ |
| 253 | // CHECK: getelementptr |
| 254 | // CHECK-NEXT: call void @objc_destroyWeak( |
| 255 | } |
| 256 | |
| 257 | @interface Test8 @end |
| 258 | @implementation Test8 |
| 259 | - (void) test { |
| 260 | // CHECK: define internal void @"\01-[Test8 test]" |
| 261 | // CHECK: [[SELF:%.*]] = alloca [[TEST8:%.*]]*, |
| 262 | // CHECK-NEXT: alloca i8* |
| 263 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], |
| 264 | // CHECK: store |
| 265 | // CHECK-NEXT: store |
John McCall | 1a343eb | 2011-11-10 08:15:53 +0000 | [diff] [blame] | 266 | // CHECK: [[D0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 267 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 268 | // CHECK-NEXT: [[T1:%.*]] = load [[TEST8]]** [[SELF]], |
| 269 | // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST8]]* [[T1]] to i8* |
| 270 | // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) |
| 271 | // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[TEST8]]* |
| 272 | // CHECK-NEXT: store [[TEST8]]* [[T4]], [[TEST8]]** [[T0]] |
| 273 | // CHECK-NEXT: bitcast [[BLOCK_T]]* [[BLOCK]] to |
| 274 | // CHECK: call void @test8_helper( |
John McCall | 1a343eb | 2011-11-10 08:15:53 +0000 | [diff] [blame] | 275 | // CHECK-NEXT: [[T1:%.*]] = load [[TEST8]]** [[D0]] |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 276 | // CHECK-NEXT: [[T2:%.*]] = bitcast [[TEST8]]* [[T1]] to i8* |
| 277 | // CHECK-NEXT: call void @objc_release(i8* [[T2]]) |
| 278 | // CHECK-NEXT: ret void |
| 279 | |
| 280 | extern void test8_helper(void (^)(void)); |
| 281 | test8_helper(^{ (void) self; }); |
| 282 | } |
| 283 | @end |
| 284 | |
| 285 | id test9(void) { |
| 286 | typedef id __attribute__((ns_returns_retained)) blocktype(void); |
John McCall | b99785b | 2011-11-10 09:22:44 +0000 | [diff] [blame^] | 287 | extern void test9_consume_block(blocktype^); |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 288 | return ^blocktype { |
| 289 | extern id test9_produce(void); |
| 290 | return test9_produce(); |
| 291 | }(); |
| 292 | |
| 293 | // CHECK: define i8* @test9( |
| 294 | // CHECK: load i8** getelementptr |
| 295 | // CHECK-NEXT: bitcast i8* |
| 296 | // CHECK-NEXT: call i8* |
| 297 | // CHECK-NEXT: call i8* @objc_autoreleaseReturnValue |
| 298 | // CHECK-NEXT: ret i8* |
| 299 | |
| 300 | // CHECK: call i8* @test9_produce() |
| 301 | // CHECK-NEXT: call i8* @objc_retain |
| 302 | // CHECK-NEXT: ret i8* |
| 303 | } |
| 304 | |
| 305 | // rdar://problem/9814099 |
| 306 | // Test that we correctly initialize __block variables |
| 307 | // when the initialization captures the variable. |
| 308 | void test10a(void) { |
| 309 | __block void (^block)(void) = ^{ block(); }; |
| 310 | // CHECK: define void @test10a() |
| 311 | // CHECK: [[BYREF:%.*]] = alloca [[BYREF_T:%.*]], |
| 312 | |
| 313 | // Zero-initialization before running the initializer. |
| 314 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 6 |
| 315 | // CHECK-NEXT: store void ()* null, void ()** [[T0]], align 8 |
| 316 | |
| 317 | // Run the initializer as an assignment. |
| 318 | // CHECK: [[T0:%.*]] = bitcast void ()* {{%.*}} to i8* |
| 319 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainBlock(i8* [[T0]]) |
| 320 | // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to void ()* |
| 321 | // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 1 |
| 322 | // CHECK-NEXT: [[T4:%.*]] = load [[BYREF_T]]** [[T3]] |
| 323 | // CHECK-NEXT: [[T5:%.*]] = getelementptr inbounds [[BYREF_T]]* [[T4]], i32 0, i32 6 |
| 324 | // CHECK-NEXT: [[T6:%.*]] = load void ()** [[T5]], align 8 |
| 325 | // CHECK-NEXT: store void ()* {{%.*}}, void ()** [[T5]], align 8 |
| 326 | // CHECK-NEXT: [[T7:%.*]] = bitcast void ()* [[T6]] to i8* |
| 327 | // CHECK-NEXT: call void @objc_release(i8* [[T7]]) |
| 328 | |
| 329 | // Destroy at end of function. |
| 330 | // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 6 |
| 331 | // CHECK-NEXT: [[T0:%.*]] = bitcast [[BYREF_T]]* [[BYREF]] to i8* |
| 332 | // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8) |
| 333 | // CHECK-NEXT: [[T1:%.*]] = load void ()** [[SLOT]] |
| 334 | // CHECK-NEXT: [[T2:%.*]] = bitcast void ()* [[T1]] to i8* |
| 335 | // CHECK-NEXT: call void @objc_release(i8* [[T2]]) |
| 336 | // CHECK-NEXT: ret void |
| 337 | } |
| 338 | |
John McCall | a59e4b7 | 2011-11-09 03:17:26 +0000 | [diff] [blame] | 339 | // <rdar://problem/10402698>: do this copy and dispose with |
| 340 | // objc_retainBlock/release instead of _Block_object_assign/destroy. |
| 341 | // We can also use _Block_object_assign/destroy with |
| 342 | // BLOCK_FIELD_IS_BLOCK as long as we don't pass BLOCK_BYREF_CALLER. |
| 343 | |
| 344 | // CHECK: define internal void @__Block_byref_object_copy |
| 345 | // CHECK: [[D0:%.*]] = load i8** {{%.*}} |
| 346 | // CHECK-NEXT: [[D1:%.*]] = bitcast i8* [[D0]] to [[BYREF_T]]* |
| 347 | // CHECK-NEXT: [[D2:%.*]] = getelementptr inbounds [[BYREF_T]]* [[D1]], i32 0, i32 6 |
| 348 | // CHECK-NEXT: [[S0:%.*]] = load i8** {{%.*}} |
| 349 | // CHECK-NEXT: [[S1:%.*]] = bitcast i8* [[S0]] to [[BYREF_T]]* |
| 350 | // CHECK-NEXT: [[S2:%.*]] = getelementptr inbounds [[BYREF_T]]* [[S1]], i32 0, i32 6 |
| 351 | // CHECK-NEXT: [[T0:%.*]] = load void ()** [[S2]], align 8 |
| 352 | // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8* |
| 353 | // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) |
| 354 | // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to void ()* |
| 355 | // CHECK-NEXT: store void ()* [[T3]], void ()** [[D2]], align 8 |
| 356 | // CHECK-NEXT: ret void |
| 357 | |
| 358 | // CHECK: define internal void @__Block_byref_object_dispose |
| 359 | // CHECK: [[T0:%.*]] = load i8** {{%.*}} |
| 360 | // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[BYREF_T]]* |
| 361 | // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[BYREF_T]]* [[T1]], i32 0, i32 6 |
| 362 | // CHECK-NEXT: [[T3:%.*]] = load void ()** [[T2]], align 8 |
| 363 | // CHECK-NEXT: [[T4:%.*]] = bitcast void ()* [[T3]] to i8* |
| 364 | // CHECK-NEXT: call void @objc_release(i8* [[T4]]) |
| 365 | // CHECK-NEXT: ret void |
| 366 | |
John McCall | 3382f65 | 2011-11-09 02:16:13 +0000 | [diff] [blame] | 367 | // Test that we correctly assign to __block variables when the |
| 368 | // assignment captures the variable. |
| 369 | void test10b(void) { |
| 370 | __block void (^block)(void); |
| 371 | block = ^{ block(); }; |
| 372 | |
| 373 | // CHECK: define void @test10b() |
| 374 | // CHECK: [[BYREF:%.*]] = alloca [[BYREF_T:%.*]], |
| 375 | |
| 376 | // Zero-initialize. |
| 377 | // CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 6 |
| 378 | // CHECK-NEXT: store void ()* null, void ()** [[T0]], align 8 |
| 379 | |
| 380 | // CHECK-NEXT: [[SLOT:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 6 |
| 381 | |
| 382 | // The assignment. |
| 383 | // CHECK: [[T0:%.*]] = bitcast void ()* {{%.*}} to i8* |
| 384 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retainBlock(i8* [[T0]]) |
| 385 | // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to void ()* |
| 386 | // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[BYREF_T]]* [[BYREF]], i32 0, i32 1 |
| 387 | // CHECK-NEXT: [[T4:%.*]] = load [[BYREF_T]]** [[T3]] |
| 388 | // CHECK-NEXT: [[T5:%.*]] = getelementptr inbounds [[BYREF_T]]* [[T4]], i32 0, i32 6 |
| 389 | // CHECK-NEXT: [[T6:%.*]] = load void ()** [[T5]], align 8 |
| 390 | // CHECK-NEXT: store void ()* {{%.*}}, void ()** [[T5]], align 8 |
| 391 | // CHECK-NEXT: [[T7:%.*]] = bitcast void ()* [[T6]] to i8* |
| 392 | // CHECK-NEXT: call void @objc_release(i8* [[T7]]) |
| 393 | |
| 394 | // Destroy at end of function. |
| 395 | // CHECK-NEXT: [[T0:%.*]] = bitcast [[BYREF_T]]* [[BYREF]] to i8* |
| 396 | // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T0]], i32 8) |
| 397 | // CHECK-NEXT: [[T1:%.*]] = load void ()** [[SLOT]] |
| 398 | // CHECK-NEXT: [[T2:%.*]] = bitcast void ()* [[T1]] to i8* |
| 399 | // CHECK-NEXT: call void @objc_release(i8* [[T2]]) |
| 400 | // CHECK-NEXT: ret void |
| 401 | } |
| 402 | |
| 403 | // rdar://problem/10088932 |
| 404 | void test11_helper(id); |
| 405 | void test11a(void) { |
| 406 | int x; |
| 407 | test11_helper(^{ (void) x; }); |
| 408 | |
| 409 | // CHECK: define void @test11a() |
| 410 | // CHECK: [[X:%.*]] = alloca i32, align 4 |
| 411 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], align 8 |
| 412 | // CHECK: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to void ()* |
| 413 | // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8* |
| 414 | // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) |
| 415 | // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to void ()* |
| 416 | // CHECK-NEXT: [[T4:%.*]] = bitcast void ()* [[T3]] to i8* |
| 417 | // CHECK-NEXT: call void @test11_helper(i8* [[T4]]) |
| 418 | // CHECK-NEXT: [[T5:%.*]] = bitcast void ()* [[T3]] to i8* |
| 419 | // CHECK-NEXT: call void @objc_release(i8* [[T5]]) |
| 420 | // CHECK-NEXT: ret void |
| 421 | } |
| 422 | void test11b(void) { |
| 423 | int x; |
| 424 | id b = ^{ (void) x; }; |
| 425 | |
| 426 | // CHECK: define void @test11b() |
| 427 | // CHECK: [[X:%.*]] = alloca i32, align 4 |
| 428 | // CHECK-NEXT: [[B:%.*]] = alloca i8*, align 8 |
| 429 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], align 8 |
| 430 | // CHECK: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to void ()* |
| 431 | // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8* |
| 432 | // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) |
| 433 | // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to void ()* |
| 434 | // CHECK-NEXT: [[T4:%.*]] = bitcast void ()* [[T3]] to i8* |
| 435 | // CHECK-NEXT: store i8* [[T4]], i8** [[B]], align 8 |
| 436 | // CHECK-NEXT: [[T5:%.*]] = load i8** [[B]] |
| 437 | // CHECK-NEXT: call void @objc_release(i8* [[T5]]) |
| 438 | // CHECK-NEXT: ret void |
| 439 | } |
| 440 | |
| 441 | // rdar://problem/9979150 |
| 442 | @interface Test12 |
| 443 | @property (strong) void(^ablock)(void); |
| 444 | @property (nonatomic, strong) void(^nblock)(void); |
| 445 | @end |
| 446 | @implementation Test12 |
| 447 | @synthesize ablock, nblock; |
| 448 | // CHECK: define internal void ()* @"\01-[Test12 ablock]"( |
| 449 | // CHECK: call i8* @objc_getProperty(i8* {{%.*}}, i8* {{%.*}}, i64 {{%.*}}, i1 zeroext true) |
| 450 | |
| 451 | // CHECK: define internal void @"\01-[Test12 setAblock:]"( |
| 452 | // CHECK: call void @objc_setProperty(i8* {{%.*}}, i8* {{%.*}}, i64 {{%.*}}, i8* {{%.*}}, i1 zeroext true, i1 zeroext true) |
| 453 | |
| 454 | // CHECK: define internal void ()* @"\01-[Test12 nblock]"( |
| 455 | // CHECK: call i8* @objc_getProperty(i8* {{%.*}}, i8* {{%.*}}, i64 {{%.*}}, i1 zeroext false) |
| 456 | |
| 457 | // CHECK: define internal void @"\01-[Test12 setNblock:]"( |
| 458 | // CHECK: call void @objc_setProperty(i8* {{%.*}}, i8* {{%.*}}, i64 {{%.*}}, i8* {{%.*}}, i1 zeroext false, i1 zeroext true) |
| 459 | @end |
John McCall | b99785b | 2011-11-10 09:22:44 +0000 | [diff] [blame^] | 460 | |
| 461 | // rdar://problem/10131784 |
| 462 | void test13(id x) { |
| 463 | extern void test13_helper(id); |
| 464 | extern void test13_use(void(^)(void)); |
| 465 | |
| 466 | void (^b)(void) = (x ? ^{test13_helper(x);} : 0); |
| 467 | test13_use(b); |
| 468 | |
| 469 | // CHECK: define void @test13( |
| 470 | // CHECK: [[X:%.*]] = alloca i8*, align 8 |
| 471 | // CHECK-NEXT: [[B:%.*]] = alloca void ()*, align 8 |
| 472 | // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:.*]], align 8 |
| 473 | // CHECK-NEXT: [[CLEANUP_ACTIVE:%.*]] = alloca i1 |
| 474 | // CHECK-NEXT: store i1 false, i1* [[CLEANUP_ACTIVE]] |
| 475 | // CHECK-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* {{%.*}}) |
| 476 | // CHECK-NEXT: store i8* [[T0]], i8** [[X]], align 8 |
| 477 | // CHECK-NEXT: [[CLEANUP_ADDR:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 478 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], align 8 |
| 479 | // CHECK-NEXT: [[T1:%.*]] = icmp ne i8* [[T0]], null |
| 480 | // CHECK-NEXT: br i1 [[T1]], |
| 481 | |
| 482 | // CHECK-NOT: br |
| 483 | // CHECK: [[CAPTURE:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| 484 | // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], align 8 |
| 485 | // CHECK-NEXT: [[T1:%.*]] = call i8* @objc_retain(i8* [[T0]]) |
| 486 | // CHECK-NEXT: store i8* [[T1]], i8** [[CAPTURE]], align 8 |
| 487 | // CHECK-NEXT: store i1 true, i1* [[CLEANUP_ACTIVE]] |
| 488 | // CHECK-NEXT: bitcast [[BLOCK_T]]* [[BLOCK]] to void ()* |
| 489 | // CHECK-NEXT: br label |
| 490 | // CHECK: br label |
| 491 | // CHECK: [[T0:%.*]] = phi void ()* |
| 492 | // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8* |
| 493 | // CHECK-NEXT: [[T2:%.*]] = call i8* @objc_retainBlock(i8* [[T1]]) |
| 494 | // CHECK-NEXT: [[T3:%.*]] = bitcast i8* [[T2]] to void ()* |
| 495 | // CHECK-NEXT: store void ()* [[T3]], void ()** [[B]], align 8 |
| 496 | // CHECK-NEXT: [[T0:%.*]] = load void ()** [[B]], align 8 |
| 497 | // CHECK-NEXT: call void @test13_use(void ()* [[T0]]) |
| 498 | // CHECK-NEXT: [[T0:%.*]] = load void ()** [[B]] |
| 499 | // CHECK-NEXT: [[T1:%.*]] = bitcast void ()* [[T0]] to i8* |
| 500 | // CHECK-NEXT: call void @objc_release(i8* [[T1]]) |
| 501 | |
| 502 | // CHECK-NEXT: [[T0:%.*]] = load i1* [[CLEANUP_ACTIVE]] |
| 503 | // CHECK-NEXT: br i1 [[T0]] |
| 504 | // CHECK: [[T0:%.*]] = load i8** [[CLEANUP_ADDR]] |
| 505 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) |
| 506 | // CHECK-NEXT: br label |
| 507 | |
| 508 | // CHECK: [[T0:%.*]] = load i8** [[X]] |
| 509 | // CHECK-NEXT: call void @objc_release(i8* [[T0]]) |
| 510 | // CHECK-NEXT: ret void |
| 511 | } |
| 512 | |