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 | |
| 99 | void while_destruct(int z) { |
| 100 | // CHECK: define void @_Z14while_destructi |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 101 | // CHECK: {{while.cond:|:3}} |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 102 | while (X x = X()) { |
| 103 | // CHECK: call void @_ZN1XC1Ev |
| 104 | |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 105 | // CHECK: {{while.body:|:5}} |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 106 | // CHECK: store i32 21 |
| 107 | z = 21; |
| 108 | |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 109 | // CHECK: {{while.cleanup:|:6}} |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 110 | // CHECK: call void @_ZN1XD1Ev |
| 111 | } |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 112 | // CHECK: {{while.end|:8}} |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 113 | // CHECK: store i32 22 |
| 114 | z = 22; |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 115 | |
| 116 | // CHECK: call void @_Z4getXv |
| 117 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 118 | // CHECK: call void @_ZN1XD1Ev |
| 119 | // CHECK: br |
| 120 | while(getX()) { } |
| 121 | |
| 122 | // CHECK: store i32 25 |
| 123 | z = 25; |
| 124 | |
| 125 | // CHECK: ret |
Douglas Gregor | 5656e14 | 2009-11-24 21:15:44 +0000 | [diff] [blame] | 126 | } |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 127 | |
| 128 | void for_destruct(int z) { |
| 129 | // CHECK: define void @_Z12for_destruct |
Douglas Gregor | 345e7d2 | 2009-11-25 00:29:29 +0000 | [diff] [blame] | 130 | // CHECK: call void @_ZN1YC1Ev |
| 131 | for(Y y = Y(); X x = X(); ++z) |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 132 | // CHECK: {{for.cond:|:4}} |
Douglas Gregor | d975206 | 2009-11-25 01:51:31 +0000 | [diff] [blame] | 133 | // CHECK: call void @_ZN1XC1Ev |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 134 | // CHECK: {{for.body:|:6}} |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 135 | // CHECK: store i32 23 |
| 136 | z = 23; |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 137 | // CHECK: {{for.inc:|:7}} |
| 138 | // CHECK: br label %{{for.cond.cleanup|10}} |
| 139 | // CHECK: {{for.cond.cleanup:|:10}} |
Douglas Gregor | d975206 | 2009-11-25 01:51:31 +0000 | [diff] [blame] | 140 | // CHECK: call void @_ZN1XD1Ev |
Douglas Gregor | 40e6299 | 2010-05-08 16:04:01 +0000 | [diff] [blame] | 141 | // CHECK: {{for.end:|:12}} |
Douglas Gregor | 345e7d2 | 2009-11-25 00:29:29 +0000 | [diff] [blame] | 142 | // CHECK: call void @_ZN1YD1Ev |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 143 | // CHECK: store i32 24 |
| 144 | z = 24; |
Douglas Gregor | 586596f | 2010-05-06 17:25:47 +0000 | [diff] [blame] | 145 | |
| 146 | // CHECK: call void @_Z4getXv |
| 147 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 148 | // CHECK: call void @_ZN1XD1Ev |
| 149 | // CHECK: br |
| 150 | // CHECK: call void @_Z4getXv |
| 151 | // CHECK: load |
| 152 | // CHECK: add |
| 153 | // CHECK: call void @_ZN1XD1Ev |
| 154 | int i = 0; |
| 155 | for(; getX(); getX(), ++i) { } |
| 156 | z = 26; |
| 157 | // CHECK: store i32 26 |
| 158 | // CHECK: ret |
| 159 | } |
| 160 | |
| 161 | void do_destruct(int z) { |
| 162 | // CHECK: define void @_Z11do_destruct |
| 163 | do { |
| 164 | // CHECK: store i32 77 |
| 165 | z = 77; |
| 166 | // CHECK: call void @_Z4getXv |
| 167 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 168 | // CHECK: call void @_ZN1XD1Ev |
| 169 | // CHECK: br |
| 170 | } while (getX()); |
| 171 | // CHECK: store i32 99 |
| 172 | z = 99; |
| 173 | // CHECK: ret |
Douglas Gregor | 99e9b4d | 2009-11-25 00:27:52 +0000 | [diff] [blame] | 174 | } |
Douglas Gregor | eaa18e4 | 2010-05-08 22:20:28 +0000 | [diff] [blame^] | 175 | |
| 176 | int f(X); |
| 177 | |
| 178 | template<typename T> |
| 179 | int instantiated(T x) { |
| 180 | int result; |
| 181 | |
| 182 | // CHECK: call void @_ZN1XC1ERKS_ |
| 183 | // CHECK: call i32 @_Z1f1X |
| 184 | // CHECK: call void @_ZN1XD1Ev |
| 185 | // CHECK: br |
| 186 | // CHECK: store i32 2 |
| 187 | // CHECK: br |
| 188 | // CHECK: store i32 3 |
| 189 | if (f(x)) { result = 2; } else { result = 3; } |
| 190 | |
| 191 | // CHECK: call void @_ZN1XC1ERKS_ |
| 192 | // CHECK: call i32 @_Z1f1X |
| 193 | // CHECK: call void @_ZN1XD1Ev |
| 194 | // CHECK: br |
| 195 | // CHECK: store i32 4 |
| 196 | // CHECK: br |
| 197 | while (f(x)) { result = 4; } |
| 198 | |
| 199 | // CHECK: call void @_ZN1XC1ERKS_ |
| 200 | // CHECK: call i32 @_Z1f1X |
| 201 | // CHECK: call void @_ZN1XD1Ev |
| 202 | // CHECK: br |
| 203 | // CHECK: store i32 6 |
| 204 | // CHECK: br |
| 205 | // CHECK: call void @_ZN1XC1ERKS_ |
| 206 | // CHECK: call i32 @_Z1f1X |
| 207 | // CHECK: store i32 5 |
| 208 | // CHECK: call void @_ZN1XD1Ev |
| 209 | // CHECK: br |
| 210 | for (; f(x); f(x), result = 5) { |
| 211 | result = 6; |
| 212 | } |
| 213 | |
| 214 | // CHECK: call void @_ZN1XC1ERKS_ |
| 215 | // CHECK: call i32 @_Z1f1X |
| 216 | // CHECK: call void @_ZN1XD1Ev |
| 217 | // CHECK: switch i32 |
| 218 | // CHECK: store i32 7 |
| 219 | // CHECK: store i32 8 |
| 220 | switch (f(x)) { |
| 221 | case 0: |
| 222 | result = 7; |
| 223 | break; |
| 224 | |
| 225 | case 1: |
| 226 | result = 8; |
| 227 | } |
| 228 | |
| 229 | // CHECK: store i32 9 |
| 230 | // CHECK: br |
| 231 | // CHECK: call void @_ZN1XC1ERKS_ |
| 232 | // CHECK: call i32 @_Z1f1X |
| 233 | // CHECK: call void @_ZN1XD1Ev |
| 234 | // CHECK: br |
| 235 | do { |
| 236 | result = 9; |
| 237 | } while (f(x)); |
| 238 | |
| 239 | // CHECK: store i32 10 |
| 240 | // CHECK: call void @_ZN1XC1ERKS_ |
| 241 | // CHECK: call zeroext i1 @_ZN1XcvbEv |
| 242 | // CHECK: call void @_ZN1XD1Ev |
| 243 | // CHECK: br |
| 244 | do { |
| 245 | result = 10; |
| 246 | } while (X(x)); |
| 247 | |
| 248 | // CHECK: ret i32 |
| 249 | return result; |
| 250 | } |
| 251 | |
| 252 | template int instantiated(X); |