Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -triple x86_64-pc-win32 -fms-extensions -emit-llvm -o - | FileCheck %s |
| 2 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 3 | void g(void); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 4 | |
| 5 | ////////////////////////////////////////////////////////////////////////////// |
| 6 | // __leave with __except |
| 7 | |
| 8 | // Nothing in the __try block can trap, so __try.cont isn't created. |
| 9 | int __leave_with___except_simple() { |
| 10 | int myres = 0; |
| 11 | __try { |
| 12 | myres = 15; |
| 13 | __leave; |
| 14 | myres = 23; |
| 15 | } __except (1) { |
| 16 | return 0; |
| 17 | } |
| 18 | return 1; |
| 19 | } |
| 20 | // CHECK-LABEL: define i32 @__leave_with___except_simple() |
| 21 | // CHECK: store i32 15, i32* %myres |
| 22 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 23 | // CHECK-NOT: store i32 23 |
| 24 | // CHECK: [[tryleave]] |
| 25 | // CHECK-NEXT: ret i32 1 |
| 26 | |
| 27 | |
| 28 | // The "normal" case. |
| 29 | int __leave_with___except() { |
| 30 | int myres = 0; |
| 31 | __try { |
| 32 | g(); |
| 33 | __leave; |
| 34 | myres = 23; |
| 35 | } __except (1) { |
| 36 | return 0; |
| 37 | } |
| 38 | return 1; |
| 39 | } |
| 40 | // CHECK-LABEL: define i32 @__leave_with___except() |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 41 | // CHECK: invoke void @g() |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 42 | // CHECK-NEXT: to label %[[cont:.*]] unwind label %{{.*}} |
| 43 | // For __excepts, instead of an explicit __try.__leave label, we could use |
| 44 | // use invoke.cont as __leave jump target instead. However, not doing this |
| 45 | // keeps the CodeGen code simpler, __leave is very rare, and SimplifyCFG will |
| 46 | // simplify this anyways. |
| 47 | // CHECK: [[cont]] |
| 48 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 49 | // CHECK-NOT: store i32 23 |
| 50 | // CHECK: [[tryleave]] |
| 51 | // CHECK-NEXT: br label % |
| 52 | |
| 53 | |
| 54 | ////////////////////////////////////////////////////////////////////////////// |
| 55 | // __leave with __finally |
| 56 | |
| 57 | void abort(void) __attribute__((noreturn)); |
| 58 | |
| 59 | // Nothing in the __try block can trap, so __finally.cont and friends aren't |
| 60 | // created. |
| 61 | int __leave_with___finally_simple() { |
| 62 | int myres = 0; |
| 63 | __try { |
| 64 | myres = 15; |
| 65 | __leave; |
| 66 | myres = 23; |
| 67 | } __finally { |
| 68 | return 0; |
| 69 | } |
| 70 | return 1; |
| 71 | } |
| 72 | // CHECK-LABEL: define i32 @__leave_with___finally_simple() |
| 73 | // CHECK: store i32 15, i32* %myres |
| 74 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 75 | // CHECK-NOT: store i32 23 |
| 76 | // CHECK: [[tryleave]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 77 | // CHECK-NEXT: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 78 | // CHECK-NEXT: call void @"\01?fin$0@0@__leave_with___finally_simple@@"(i1 zeroext false, i8* %[[fp]]) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 79 | |
| 80 | // __finally block doesn't return, __finally.cont doesn't exist. |
| 81 | int __leave_with___finally_noreturn() { |
| 82 | int myres = 0; |
| 83 | __try { |
| 84 | myres = 15; |
| 85 | __leave; |
| 86 | myres = 23; |
| 87 | } __finally { |
| 88 | abort(); |
| 89 | } |
| 90 | return 1; |
| 91 | } |
| 92 | // CHECK-LABEL: define i32 @__leave_with___finally_noreturn() |
| 93 | // CHECK: store i32 15, i32* %myres |
| 94 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 95 | // CHECK-NOT: store i32 23 |
| 96 | // CHECK: [[tryleave]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 97 | // CHECK-NEXT: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 98 | // CHECK-NEXT: call void @"\01?fin$0@0@__leave_with___finally_noreturn@@"(i1 zeroext false, i8* %[[fp]]) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 99 | |
| 100 | // The "normal" case. |
| 101 | int __leave_with___finally() { |
| 102 | int myres = 0; |
| 103 | __try { |
| 104 | g(); |
| 105 | __leave; |
| 106 | myres = 23; |
| 107 | } __finally { |
| 108 | return 0; |
| 109 | } |
| 110 | return 1; |
| 111 | } |
| 112 | // CHECK-LABEL: define i32 @__leave_with___finally() |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 113 | // CHECK: invoke void @g() |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 114 | // CHECK-NEXT: to label %[[cont:.*]] unwind label %{{.*}} |
| 115 | // For __finally, there needs to be an explicit __try.__leave, because |
| 116 | // abnormal.termination.slot needs to be set there. |
| 117 | // CHECK: [[cont]] |
| 118 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 119 | // CHECK-NOT: store i32 23 |
| 120 | // CHECK: [[tryleave]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 121 | // CHECK-NEXT: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 122 | // CHECK-NEXT: call void @"\01?fin$0@0@__leave_with___finally@@"(i1 zeroext false, i8* %[[fp]]) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 123 | |
| 124 | |
| 125 | ////////////////////////////////////////////////////////////////////////////// |
| 126 | // Mixed, nested cases. |
| 127 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 128 | int nested___except___finally() { |
| 129 | int myres = 0; |
| 130 | __try { |
| 131 | __try { |
| 132 | g(); |
| 133 | } __finally { |
| 134 | g(); |
| 135 | __leave; // Refers to the outer __try, not the __finally! |
| 136 | myres = 23; |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | myres = 51; |
| 141 | } __except (1) { |
| 142 | } |
| 143 | return 1; |
| 144 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 145 | // CHECK-LABEL: define i32 @nested___except___finally() |
| 146 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 147 | // CHECK-LABEL: invoke void @g() |
| 148 | // CHECK-NEXT: to label %[[g1_cont1:.*]] unwind label %[[g1_lpad:.*]] |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 149 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 150 | // CHECK: [[g1_cont1]] |
| 151 | // CHECK-NEXT: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 152 | // CHECK-NEXT: invoke void @"\01?fin$0@0@nested___except___finally@@"(i1 zeroext false, i8* %[[fp]]) |
| 153 | // CHECK-NEXT: to label %[[fin_cont:.*]] unwind label %[[g2_lpad:.*]] |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 154 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 155 | // CHECK: [[fin_cont]] |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 156 | // CHECK: store i32 51, i32* % |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 157 | // CHECK-NEXT: br label %[[trycont:[^ ]*]] |
| 158 | |
| 159 | // CHECK: [[g1_lpad]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 160 | // CHECK-NEXT: landingpad |
| 161 | // CHECK-NEXT: catch i8* null |
| 162 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 163 | // CHECK-NEXT: invoke void @"\01?fin$0@0@nested___except___finally@@"(i1 zeroext true, i8* %[[fp]]) |
| 164 | // CHECK-NEXT: to label %[[g1_resume:.*]] unwind label %[[g2_lpad]] |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 165 | |
| 166 | // CHECK: [[g2_lpad]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 167 | // CHECK: br label %[[trycont]] |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 168 | |
| 169 | // CHECK: [[trycont]] |
| 170 | // CHECK-NEXT: ret i32 1 |
| 171 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 172 | // CHECK-LABEL: define internal void @"\01?fin$0@0@nested___except___finally@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) |
| 173 | // CHECK: call void @g() |
| 174 | // CHECK: unreachable |
| 175 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 176 | int nested___except___except() { |
| 177 | int myres = 0; |
| 178 | __try { |
| 179 | __try { |
| 180 | g(); |
| 181 | myres = 16; |
| 182 | } __except (1) { |
| 183 | g(); |
| 184 | __leave; // Refers to the outer __try, not the __except we're in! |
| 185 | myres = 23; |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | myres = 51; |
| 190 | } __except (1) { |
| 191 | } |
| 192 | return 1; |
| 193 | } |
| 194 | // The order of basic blocks in the below doesn't matter. |
| 195 | // CHECK-LABEL: define i32 @nested___except___except() |
| 196 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 197 | // CHECK-LABEL: invoke void @g() |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 198 | // CHECK-NEXT: to label %[[g1_cont:.*]] unwind label %[[g1_lpad:.*]] |
| 199 | |
| 200 | // CHECK: [[g1_cont]] |
| 201 | // CHECK: store i32 16, i32* %myres |
| 202 | // CHECK-NEXT: br label %[[trycont:[^ ]*]] |
| 203 | |
| 204 | // CHECK: [[g1_lpad]] |
| 205 | // CHECK: br label %[[except:[^ ]*]] |
| 206 | |
| 207 | // CHECK: [[except]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 208 | // CHECK-NEXT: invoke void @g() |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 209 | // CHECK-NEXT: to label %[[g2_cont:.*]] unwind label %[[g2_lpad:.*]] |
| 210 | |
| 211 | // CHECK: [[g2_cont]] |
| 212 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 213 | // CHECK-NOT: store i32 23 |
| 214 | |
| 215 | // CHECK: [[g2_lpad]] |
| 216 | // CHECK: br label %[[outerexcept:[^ ]*]] |
| 217 | |
| 218 | // CHECK: [[outerexcept]] |
| 219 | // CHECK-NEXT: br label %[[trycont4:[^ ]*]] |
| 220 | |
| 221 | // CHECK: [[trycont4]] |
| 222 | // CHECK-NEXT: ret i32 1 |
| 223 | |
| 224 | // CHECK: [[trycont]] |
| 225 | // CHECK-NEXT: store i32 51, i32* %myres |
| 226 | // CHECK-NEXT: br label %[[tryleave]] |
| 227 | |
| 228 | // CHECK: [[tryleave]] |
| 229 | // CHECK-NEXT: br label %[[trycont4]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 230 | |
| 231 | int nested___finally___except() { |
| 232 | int myres = 0; |
| 233 | __try { |
| 234 | __try { |
| 235 | g(); |
| 236 | } __except (1) { |
| 237 | g(); |
| 238 | __leave; // Refers to the outer __try, not the __except! |
| 239 | myres = 23; |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | myres = 51; |
| 244 | } __finally { |
| 245 | } |
| 246 | return 1; |
| 247 | } |
| 248 | // The order of basic blocks in the below doesn't matter. |
| 249 | // CHECK-LABEL: define i32 @nested___finally___except() |
| 250 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 251 | // CHECK-LABEL: invoke void @g() |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 252 | // CHECK-NEXT: to label %[[g1_cont:.*]] unwind label %[[g1_lpad:.*]] |
| 253 | |
| 254 | // CHECK: [[g1_cont]] |
| 255 | // CHECK-NEXT: br label %[[trycont:[^ ]*]] |
| 256 | |
| 257 | // CHECK: [[g1_lpad]] |
| 258 | // CHECK: br label %[[except:[^ ]*]] |
| 259 | |
| 260 | // CHECK: [[except]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 261 | // CHECK-NEXT: invoke void @g() |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 262 | // CHECK-NEXT: to label %[[g2_cont:.*]] unwind label %[[g2_lpad:.*]] |
| 263 | |
| 264 | // CHECK: [[g2_cont]] |
| 265 | // CHECK-NEXT: br label %[[tryleave:[^ ]*]] |
| 266 | // CHECK-NOT: 23 |
| 267 | |
| 268 | // CHECK: [[g2_lpad]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 269 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 270 | // CHECK-NEXT: call void @"\01?fin$0@0@nested___finally___except@@"(i1 zeroext true, i8* %[[fp]]) |
| 271 | // CHECK-NEXT: br label %[[ehresume:[^ ]*]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 272 | |
| 273 | // CHECK: [[trycont]] |
| 274 | // CHECK: store i32 51, i32* % |
| 275 | // CHECK-NEXT: br label %[[tryleave]] |
| 276 | |
| 277 | // CHECK: [[tryleave]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 278 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 279 | // CHECK-NEXT: call void @"\01?fin$0@0@nested___finally___except@@"(i1 zeroext false, i8* %[[fp]]) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 280 | // CHECK-NEXT: ret i32 1 |
| 281 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 282 | // CHECK: [[ehresume]] |
| 283 | // CHECK: resume |
| 284 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 285 | // CHECK-LABEL: define internal void @"\01?fin$0@0@nested___finally___except@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) |
| 286 | // CHECK: ret void |
| 287 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 288 | int nested___finally___finally() { |
| 289 | int myres = 0; |
| 290 | __try { |
| 291 | __try { |
| 292 | g(); |
| 293 | myres = 16; |
| 294 | } __finally { |
| 295 | g(); |
| 296 | __leave; // Refers to the outer __try, not the __finally we're in! |
| 297 | myres = 23; |
| 298 | return 0; |
| 299 | } |
| 300 | |
| 301 | myres = 51; |
| 302 | } __finally { |
| 303 | } |
| 304 | return 1; |
| 305 | } |
| 306 | // The order of basic blocks in the below doesn't matter. |
| 307 | // CHECK-LABEL: define i32 @nested___finally___finally() |
| 308 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 309 | // CHECK-LABEL: invoke void @g() |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 310 | // CHECK-NEXT: to label %[[g1_cont:.*]] unwind label %[[g1_lpad:.*]] |
| 311 | |
| 312 | // CHECK: [[g1_cont]] |
| 313 | // CHECK: store i32 16, i32* %[[myres:[^ ]*]], |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 314 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 315 | // CHECK-NEXT: invoke void @"\01?fin$1@0@nested___finally___finally@@"(i1 zeroext false, i8* %[[fp]]) |
| 316 | // CHECK-NEXT: to label %[[finally_cont:.*]] unwind label %[[g2_lpad:.*]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 317 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 318 | // CHECK: [[finally_cont]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 319 | // CHECK: store i32 51, i32* %[[myres]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 320 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 321 | // CHECK-NEXT: call void @"\01?fin$0@0@nested___finally___finally@@"(i1 zeroext false, i8* %[[fp]]) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 322 | // CHECK-NEXT: ret i32 1 |
| 323 | |
| 324 | // CHECK: [[g1_lpad]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 325 | // CHECK-NEXT: landingpad |
| 326 | // CHECK-NEXT: cleanup |
| 327 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 328 | // CHECK-NEXT: invoke void @"\01?fin$1@0@nested___finally___finally@@"(i1 zeroext true, i8* %[[fp]]) |
| 329 | // CHECK-NEXT: to label %[[finally_cont2:.*]] unwind label %[[g2_lpad]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 330 | |
| 331 | // CHECK: [[g2_lpad]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 332 | // CHECK-NEXT: landingpad |
| 333 | // CHECK-NEXT: cleanup |
| 334 | // CHECK: br label %[[ehcleanup:.*]] |
| 335 | |
| 336 | // CHECK: [[finally_cont2]] |
| 337 | // CHECK: br label %[[ehcleanup]] |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 338 | |
| 339 | // CHECK: [[ehcleanup]] |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 340 | // CHECK: %[[fp:[^ ]*]] = call i8* @llvm.frameaddress(i32 0) |
| 341 | // CHECK-NEXT: call void @"\01?fin$0@0@nested___finally___finally@@"(i1 zeroext true, i8* %[[fp]]) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 342 | // CHECK: resume |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 343 | |
| 344 | // CHECK-LABEL: define internal void @"\01?fin$0@0@nested___finally___finally@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) |
| 345 | // CHECK: ret void |
| 346 | |
| 347 | // CHECK-LABEL: define internal void @"\01?fin$1@0@nested___finally___finally@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) |
| 348 | // CHECK: call void @g() |
| 349 | // CHECK: unreachable |