Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 2 | void *f(); |
| 3 | |
| 4 | template <typename T> T* g() { |
| 5 | if (T* t = f()) |
| 6 | return t; |
| 7 | |
| 8 | return 0; |
| 9 | } |
| 10 | |
| 11 | void h() { |
| 12 | void *a = g<void>(); |
| 13 | } |
| 14 | |
| 15 | struct X { |
| 16 | X(); |
Douglas Gregor | eaa18e4 | 2010-05-08 22:20:28 +0000 | [diff] [blame] | 17 | X(const X&); |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 18 | ~X(); |
| 19 | operator bool(); |
| 20 | }; |
| 21 | |
| 22 | struct Y { |
| 23 | Y(); |
| 24 | ~Y(); |
| 25 | }; |
| 26 | |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 27 | X getX(); |
| 28 | |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 29 | void if_destruct(int z) { |
| 30 | // Verify that the condition variable is destroyed at the end of the |
| 31 | // "if" statement. |
| 32 | // CHECK: call void @_ZN1XC1Ev |
| 33 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 34 | if (X x = X()) { |
| 35 | // CHECK: store i32 18 |
| 36 | z = 18; |
| 37 | } |
| 38 | // CHECK: call void @_ZN1XD1Ev |
| 39 | // CHECK: store i32 17 |
| 40 | z = 17; |
| 41 | |
| 42 | // CHECK: call void @_ZN1XC1Ev |
| 43 | if (X x = X()) |
| 44 | Y y; |
Mike Stump | edc95e7 | 2010-01-13 20:57:29 +0000 | [diff] [blame] | 45 | // CHECK: br |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 46 | // CHECK: call void @_ZN1YC1Ev |
| 47 | // CHECK: call void @_ZN1YD1Ev |
Mike Stump | edc95e7 | 2010-01-13 20:57:29 +0000 | [diff] [blame] | 48 | // CHECK: br |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 49 | // CHECK: call void @_ZN1XD1Ev |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 50 | |
| 51 | // CHECK: call void @_Z4getXv |
| 52 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 53 | // CHECK: call void @_ZN1XD1Ev |
| 54 | // CHECK: br |
| 55 | if (getX()) { } |
| 56 | |
| 57 | // CHECK: ret |
Douglas Gregor | 01234bb | 2009-11-24 16:43:22 +0000 | [diff] [blame] | 58 | } |
Douglas Gregor | d3d5301 | 2009-11-24 17:07:59 +0000 | [diff] [blame] | 59 | |
| 60 | struct ConvertibleToInt { |
| 61 | ConvertibleToInt(); |
| 62 | ~ConvertibleToInt(); |
| 63 | operator int(); |
| 64 | }; |
| 65 | |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 66 | ConvertibleToInt getConvToInt(); |
| 67 | |
Douglas Gregor | d3d5301 | 2009-11-24 17:07:59 +0000 | [diff] [blame] | 68 | void switch_destruct(int z) { |
| 69 | // CHECK: call void @_ZN16ConvertibleToIntC1Ev |
| 70 | switch (ConvertibleToInt conv = ConvertibleToInt()) { |
| 71 | case 0: |
| 72 | break; |
| 73 | |
| 74 | default: |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 75 | // CHECK: {{sw.default:|:5}} |
Douglas Gregor | d3d5301 | 2009-11-24 17:07:59 +0000 | [diff] [blame] | 76 | // CHECK: store i32 19 |
| 77 | z = 19; |
| 78 | break; |
| 79 | } |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 80 | // CHECK: {{sw.epilog:|:6}} |
Douglas Gregor | d3d5301 | 2009-11-24 17:07:59 +0000 | [diff] [blame] | 81 | // CHECK: call void @_ZN16ConvertibleToIntD1Ev |
| 82 | // CHECK: store i32 20 |
| 83 | z = 20; |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 84 | |
| 85 | // CHECK: call void @_Z12getConvToIntv |
| 86 | // CHECK: call i32 @_ZN16ConvertibleToIntcviEv |
| 87 | // CHECK: call void @_ZN16ConvertibleToIntD1Ev |
| 88 | switch(getConvToInt()) { |
| 89 | case 0: |
| 90 | break; |
| 91 | } |
| 92 | // CHECK: store i32 27 |
| 93 | z = 27; |
| 94 | // CHECK: ret |
Douglas Gregor | d3d5301 | 2009-11-24 17:07:59 +0000 | [diff] [blame] | 95 | } |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 96 | |
| 97 | int foo(); |
| 98 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 99 | // CHECK: define void @_Z14while_destructi |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 100 | void while_destruct(int z) { |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 101 | // CHECK: [[Z:%.*]] = alloca i32 |
| 102 | // CHECK: [[CLEANUPDEST:%.*]] = alloca i32 |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 103 | while (X x = X()) { |
| 104 | // CHECK: call void @_ZN1XC1Ev |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 105 | // CHECK-NEXT: [[COND:%.*]] = call zeroext i1 @_ZN1XcvbEv |
| 106 | // CHECK-NEXT: br i1 [[COND]] |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 107 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 108 | // Loop-exit staging block. |
| 109 | // CHECK: store i32 1, i32* [[CLEANUPDEST]] |
| 110 | // CHECK-NEXT: br |
| 111 | |
| 112 | // While body. |
| 113 | // CHECK: store i32 21, i32* [[Z]] |
| 114 | // CHECK: store i32 2, i32* [[CLEANUPDEST]] |
| 115 | // CHECK-NEXT: br |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 116 | z = 21; |
| 117 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 118 | // Cleanup. |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 119 | // CHECK: call void @_ZN1XD1Ev |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 120 | // CHECK-NEXT: [[DEST:%.*]] = load i32* [[CLEANUPDEST]] |
| 121 | // CHECK-NEXT: switch i32 [[DEST]] |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 122 | } |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 123 | |
| 124 | // CHECK: store i32 22, i32* [[Z]] |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 125 | z = 22; |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 126 | |
| 127 | // CHECK: call void @_Z4getXv |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 128 | // CHECK-NEXT: call zeroext i1 @_ZN1XcvbEv |
| 129 | // CHECK-NEXT: call void @_ZN1XD1Ev |
| 130 | // CHECK-NEXT: br |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 131 | while(getX()) { } |
| 132 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 133 | // CHECK: store i32 25, i32* [[Z]] |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 134 | z = 25; |
| 135 | |
| 136 | // CHECK: ret |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 137 | } |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 138 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 139 | // CHECK: define void @_Z12for_destructi( |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 140 | void for_destruct(int z) { |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 141 | // CHECK: [[Z:%.*]] = alloca i32 |
| 142 | // CHECK: [[XDEST:%.*]] = alloca i32 |
| 143 | // CHECK: [[I:%.*]] = alloca i32 |
Douglas Gregor | 345e7d2 | 2009-11-25 00:29:29 +0000 | [diff] [blame] | 144 | // CHECK: call void @_ZN1YC1Ev |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 145 | // CHECK-NEXT: br |
| 146 | // -> %for.cond |
| 147 | |
| 148 | for(Y y = Y(); X x = X(); ++z) { |
| 149 | // %for.cond: The loop condition. |
Douglas Gregor | d975206 | 2009-11-25 01:51:31 +0000 | [diff] [blame] | 150 | // CHECK: call void @_ZN1XC1Ev |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 151 | // CHECK-NEXT: [[COND:%.*]] = call zeroext i1 @_ZN1XcvbEv( |
| 152 | // CHECK-NEXT: br i1 [[COND]] |
| 153 | // -> %for.body, %for.cond.cleanup |
| 154 | |
| 155 | // %for.cond.cleanup: Exit cleanup staging. |
| 156 | // CHECK: store i32 1, i32* [[XDEST]] |
| 157 | // CHECK-NEXT: br |
| 158 | // -> %cleanup |
| 159 | |
| 160 | // %for.body: |
| 161 | // CHECK: store i32 23, i32* [[Z]] |
| 162 | // CHECK-NEXT: br |
| 163 | // -> %for.inc |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 164 | z = 23; |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 165 | |
| 166 | // %for.inc: |
| 167 | // CHECK: [[TMP:%.*]] = load i32* [[Z]] |
| 168 | // CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP]], 1 |
| 169 | // CHECK-NEXT: store i32 [[INC]], i32* [[Z]] |
| 170 | // CHECK-NEXT: store i32 2, i32* [[XDEST]] |
| 171 | // CHECK-NEXT: br |
| 172 | // -> %cleanup |
| 173 | |
| 174 | // %cleanup: Destroys X. |
Douglas Gregor | d975206 | 2009-11-25 01:51:31 +0000 | [diff] [blame] | 175 | // CHECK: call void @_ZN1XD1Ev |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 176 | // CHECK-NEXT: [[YDESTTMP:%.*]] = load i32* [[XDEST]] |
| 177 | // CHECK-NEXT: switch i32 [[YDESTTMP]] |
| 178 | // 1 -> %cleanup4, 2 -> %cleanup.cont |
| 179 | |
| 180 | // %cleanup.cont: (eliminable) |
| 181 | // CHECK: br |
| 182 | // -> %for.cond |
| 183 | |
| 184 | // %cleanup4: Destroys Y. |
| 185 | // CHECK: call void @_ZN1YD1Ev( |
| 186 | // CHECK-NEXT: br |
| 187 | // -> %for.end |
| 188 | } |
| 189 | |
| 190 | // %for.end: |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 191 | // CHECK: store i32 24 |
| 192 | z = 24; |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 193 | |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 194 | // CHECK-NEXT: store i32 0, i32* [[I]] |
| 195 | // CHECK-NEXT: br |
| 196 | // -> %for.cond6 |
| 197 | |
| 198 | // %for.cond6: |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 199 | // CHECK: call void @_Z4getXv |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 200 | // CHECK-NEXT: call zeroext i1 @_ZN1XcvbEv |
| 201 | // CHECK-NEXT: call void @_ZN1XD1Ev |
| 202 | // CHECK-NEXT: br |
| 203 | // -> %for.body10, %for.end16 |
| 204 | |
| 205 | // %for.body10: |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 206 | // CHECK: br |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 207 | // -> %for.inc11 |
| 208 | |
| 209 | // %for.inc11: |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 210 | // CHECK: call void @_Z4getXv |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 211 | // CHECK-NEXT: load i32* [[I]] |
| 212 | // CHECK-NEXT: add |
| 213 | // CHECK-NEXT: store |
| 214 | // CHECK-NEXT: call void @_ZN1XD1Ev |
| 215 | // CHECK-NEXT: br |
| 216 | // -> %for.cond6 |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 217 | int i = 0; |
| 218 | for(; getX(); getX(), ++i) { } |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 219 | |
| 220 | // %for.end16 |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 221 | // CHECK: store i32 26 |
John McCall | f1549f6 | 2010-07-06 01:34:17 +0000 | [diff] [blame^] | 222 | z = 26; |
| 223 | |
| 224 | // CHECK-NEXT: ret void |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | void do_destruct(int z) { |
| 228 | // CHECK: define void @_Z11do_destruct |
| 229 | do { |
| 230 | // CHECK: store i32 77 |
| 231 | z = 77; |
| 232 | // CHECK: call void @_Z4getXv |
| 233 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 234 | // CHECK: call void @_ZN1XD1Ev |
| 235 | // CHECK: br |
| 236 | } while (getX()); |
| 237 | // CHECK: store i32 99 |
| 238 | z = 99; |
| 239 | // CHECK: ret |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 240 | } |
Douglas Gregor | eaa18e4 | 2010-05-08 22:20:28 +0000 | [diff] [blame] | 241 | |
| 242 | int f(X); |
| 243 | |
| 244 | template<typename T> |
| 245 | int instantiated(T x) { |
| 246 | int result; |
| 247 | |
| 248 | // CHECK: call void @_ZN1XC1ERKS_ |
| 249 | // CHECK: call i32 @_Z1f1X |
| 250 | // CHECK: call void @_ZN1XD1Ev |
| 251 | // CHECK: br |
| 252 | // CHECK: store i32 2 |
| 253 | // CHECK: br |
| 254 | // CHECK: store i32 3 |
| 255 | if (f(x)) { result = 2; } else { result = 3; } |
| 256 | |
| 257 | // CHECK: call void @_ZN1XC1ERKS_ |
| 258 | // CHECK: call i32 @_Z1f1X |
| 259 | // CHECK: call void @_ZN1XD1Ev |
| 260 | // CHECK: br |
| 261 | // CHECK: store i32 4 |
| 262 | // CHECK: br |
| 263 | while (f(x)) { result = 4; } |
| 264 | |
| 265 | // CHECK: call void @_ZN1XC1ERKS_ |
| 266 | // CHECK: call i32 @_Z1f1X |
| 267 | // CHECK: call void @_ZN1XD1Ev |
| 268 | // CHECK: br |
| 269 | // CHECK: store i32 6 |
| 270 | // CHECK: br |
| 271 | // CHECK: call void @_ZN1XC1ERKS_ |
| 272 | // CHECK: call i32 @_Z1f1X |
| 273 | // CHECK: store i32 5 |
| 274 | // CHECK: call void @_ZN1XD1Ev |
| 275 | // CHECK: br |
| 276 | for (; f(x); f(x), result = 5) { |
| 277 | result = 6; |
| 278 | } |
| 279 | |
| 280 | // CHECK: call void @_ZN1XC1ERKS_ |
| 281 | // CHECK: call i32 @_Z1f1X |
| 282 | // CHECK: call void @_ZN1XD1Ev |
| 283 | // CHECK: switch i32 |
| 284 | // CHECK: store i32 7 |
| 285 | // CHECK: store i32 8 |
| 286 | switch (f(x)) { |
| 287 | case 0: |
| 288 | result = 7; |
| 289 | break; |
| 290 | |
| 291 | case 1: |
| 292 | result = 8; |
| 293 | } |
| 294 | |
| 295 | // CHECK: store i32 9 |
| 296 | // CHECK: br |
| 297 | // CHECK: call void @_ZN1XC1ERKS_ |
| 298 | // CHECK: call i32 @_Z1f1X |
| 299 | // CHECK: call void @_ZN1XD1Ev |
| 300 | // CHECK: br |
| 301 | do { |
| 302 | result = 9; |
| 303 | } while (f(x)); |
| 304 | |
| 305 | // CHECK: store i32 10 |
| 306 | // CHECK: call void @_ZN1XC1ERKS_ |
| 307 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 308 | // CHECK: call void @_ZN1XD1Ev |
| 309 | // CHECK: br |
| 310 | do { |
| 311 | result = 10; |
| 312 | } while (X(x)); |
| 313 | |
| 314 | // CHECK: ret i32 |
| 315 | return result; |
| 316 | } |
| 317 | |
| 318 | template int instantiated(X); |