Richard Smith | 8426890 | 2012-11-29 05:41:51 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -verify -triple x86_64-linux-gnu %s |
NAKAMURA Takumi | b774d73 | 2012-09-12 10:45:40 +0000 | [diff] [blame] | 2 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 3 | struct yes; |
| 4 | struct no; |
| 5 | |
| 6 | struct Short { |
| 7 | operator short(); |
| 8 | }; |
| 9 | |
| 10 | struct Long { |
| 11 | operator long(); |
| 12 | }; |
| 13 | |
Douglas Gregor | 447b69e | 2008-11-19 03:25:36 +0000 | [diff] [blame] | 14 | enum E1 { }; |
| 15 | struct Enum1 { |
| 16 | operator E1(); |
| 17 | }; |
| 18 | |
| 19 | enum E2 { }; |
| 20 | struct Enum2 { |
| 21 | operator E2(); |
| 22 | }; |
| 23 | |
Douglas Gregor | 20b3e99 | 2009-08-24 17:42:35 +0000 | [diff] [blame] | 24 | |
| 25 | struct X { |
| 26 | void f(); |
| 27 | }; |
| 28 | |
| 29 | typedef void (X::*pmf)(); |
| 30 | struct Xpmf { |
| 31 | operator pmf(); |
| 32 | }; |
| 33 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 34 | yes& islong(long); |
Douglas Gregor | 447b69e | 2008-11-19 03:25:36 +0000 | [diff] [blame] | 35 | yes& islong(unsigned long); // FIXME: shouldn't be needed |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 36 | no& islong(int); |
| 37 | |
Douglas Gregor | 20b3e99 | 2009-08-24 17:42:35 +0000 | [diff] [blame] | 38 | void f(Short s, Long l, Enum1 e1, Enum2 e2, Xpmf pmf) { |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 39 | // C++ [over.built]p8 |
| 40 | int i1 = +e1; |
| 41 | int i2 = -e2; |
| 42 | |
| 43 | // C++ [over.built]p10: |
| 44 | int i3 = ~s; |
| 45 | bool b1 = !s; |
| 46 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 47 | // C++ [over.built]p12 |
| 48 | (void)static_cast<yes&>(islong(s + l)); |
| 49 | (void)static_cast<no&>(islong(s + s)); |
| 50 | |
Douglas Gregor | 20b3e99 | 2009-08-24 17:42:35 +0000 | [diff] [blame] | 51 | // C++ [over.built]p16 |
| 52 | (void)(pmf == &X::f); |
| 53 | (void)(pmf == 0); |
| 54 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 55 | // C++ [over.built]p17 |
| 56 | (void)static_cast<yes&>(islong(s % l)); |
| 57 | (void)static_cast<yes&>(islong(l << s)); |
| 58 | (void)static_cast<no&>(islong(s << l)); |
Douglas Gregor | 447b69e | 2008-11-19 03:25:36 +0000 | [diff] [blame] | 59 | (void)static_cast<yes&>(islong(e1 % l)); |
| 60 | // FIXME: should pass (void)static_cast<no&>(islong(e1 % e2)); |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 61 | } |
| 62 | |
John McCall | 220ccbf | 2010-01-13 00:25:19 +0000 | [diff] [blame] | 63 | struct ShortRef { // expected-note{{candidate function (the implicit copy assignment operator)}} |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 64 | operator short&(); |
| 65 | }; |
| 66 | |
| 67 | struct LongRef { |
| 68 | operator volatile long&(); |
| 69 | }; |
| 70 | |
John McCall | 220ccbf | 2010-01-13 00:25:19 +0000 | [diff] [blame] | 71 | struct XpmfRef { // expected-note{{candidate function (the implicit copy assignment operator)}} |
Douglas Gregor | 20b3e99 | 2009-08-24 17:42:35 +0000 | [diff] [blame] | 72 | operator pmf&(); |
| 73 | }; |
| 74 | |
| 75 | struct E2Ref { |
| 76 | operator E2&(); |
| 77 | }; |
| 78 | |
| 79 | void g(ShortRef sr, LongRef lr, E2Ref e2_ref, XpmfRef pmf_ref) { |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 80 | // C++ [over.built]p3 |
| 81 | short s1 = sr++; |
| 82 | |
| 83 | // C++ [over.built]p3 |
| 84 | long l1 = lr--; |
| 85 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 86 | // C++ [over.built]p18 |
| 87 | short& sr1 = (sr *= lr); |
| 88 | volatile long& lr1 = (lr *= sr); |
| 89 | |
Douglas Gregor | 20b3e99 | 2009-08-24 17:42:35 +0000 | [diff] [blame] | 90 | // C++ [over.built]p20: |
| 91 | E2 e2r2; |
| 92 | e2r2 = e2_ref; |
| 93 | |
| 94 | pmf &pmr = (pmf_ref = &X::f); // expected-error{{no viable overloaded '='}} |
| 95 | pmf pmr2; |
| 96 | pmr2 = pmf_ref; |
| 97 | |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 98 | // C++ [over.built]p22 |
| 99 | short& sr2 = (sr %= lr); |
| 100 | volatile long& lr2 = (lr <<= sr); |
| 101 | |
| 102 | bool b1 = (sr && lr) || (sr || lr); |
| 103 | } |
| 104 | |
| 105 | struct VolatileIntPtr { |
| 106 | operator int volatile *(); |
| 107 | }; |
| 108 | |
| 109 | struct ConstIntPtr { |
| 110 | operator int const *(); |
| 111 | }; |
| 112 | |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 113 | struct VolatileIntPtrRef { |
| 114 | operator int volatile *&(); |
| 115 | }; |
| 116 | |
| 117 | struct ConstIntPtrRef { |
| 118 | operator int const *&(); |
| 119 | }; |
| 120 | |
| 121 | void test_with_ptrs(VolatileIntPtr vip, ConstIntPtr cip, ShortRef sr, |
| 122 | VolatileIntPtrRef vipr, ConstIntPtrRef cipr) { |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 123 | const int& cir1 = cip[sr]; |
| 124 | const int& cir2 = sr[cip]; |
| 125 | volatile int& vir1 = vip[sr]; |
| 126 | volatile int& vir2 = sr[vip]; |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 127 | bool b1 = (vip == cip); |
| 128 | long p1 = vip - cip; |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 129 | |
| 130 | // C++ [over.built]p5: |
| 131 | int volatile *vip1 = vipr++; |
| 132 | int const *cip1 = cipr++; |
| 133 | int volatile *&vipr1 = ++vipr; |
| 134 | int const *&cipr1 = --cipr; |
| 135 | |
| 136 | // C++ [over.built]p6: |
| 137 | int volatile &ivr = *vip; |
| 138 | |
| 139 | // C++ [over.built]p8: |
| 140 | int volatile *vip2 = +vip; |
| 141 | int i1 = +sr; |
| 142 | int i2 = -sr; |
Douglas Gregor | 337c6b9 | 2008-11-19 17:17:41 +0000 | [diff] [blame] | 143 | |
| 144 | // C++ [over.built]p13: |
| 145 | int volatile &ivr2 = vip[17]; |
| 146 | int const &icr2 = 17[cip]; |
Douglas Gregor | eb8f306 | 2008-11-12 17:17:38 +0000 | [diff] [blame] | 147 | } |
Douglas Gregor | 7425373 | 2008-11-19 15:42:04 +0000 | [diff] [blame] | 148 | |
Douglas Gregor | 88b4bf2 | 2009-01-13 00:52:54 +0000 | [diff] [blame] | 149 | // C++ [over.match.open]p4 |
| 150 | |
| 151 | void test_assign_restrictions(ShortRef& sr) { |
Sebastian Redl | 8593c78 | 2009-05-21 11:50:50 +0000 | [diff] [blame] | 152 | sr = (short)0; // expected-error{{no viable overloaded '='}} |
Douglas Gregor | 88b4bf2 | 2009-01-13 00:52:54 +0000 | [diff] [blame] | 153 | } |
Douglas Gregor | 652371a | 2009-10-21 22:01:30 +0000 | [diff] [blame] | 154 | |
| 155 | struct Base { }; |
| 156 | struct Derived1 : Base { }; |
| 157 | struct Derived2 : Base { }; |
| 158 | |
| 159 | template<typename T> |
| 160 | struct ConvertibleToPtrOf { |
| 161 | operator T*(); |
| 162 | }; |
| 163 | |
| 164 | bool test_with_base_ptrs(ConvertibleToPtrOf<Derived1> d1, |
| 165 | ConvertibleToPtrOf<Derived2> d2) { |
| 166 | return d1 == d2; // expected-error{{invalid operands}} |
| 167 | } |
| 168 | |
| 169 | // DR425 |
| 170 | struct A { |
| 171 | template< typename T > operator T() const; |
| 172 | }; |
| 173 | |
| 174 | void test_dr425(A a) { |
| 175 | // FIXME: lots of candidates here! |
| 176 | (void)(1.0f * a); // expected-error{{ambiguous}} \ |
Jeffrey Yasskin | 5edbdcc | 2010-06-11 05:57:47 +0000 | [diff] [blame] | 177 | // expected-note 4{{candidate}} \ |
Richard Smith | 3c2fcf8 | 2012-06-10 08:00:26 +0000 | [diff] [blame] | 178 | // expected-note {{remaining 117 candidates omitted; pass -fshow-overloads=all to show them}} |
Douglas Gregor | 652371a | 2009-10-21 22:01:30 +0000 | [diff] [blame] | 179 | } |
Fariborz Jahanian | d411b3f | 2009-11-09 21:02:05 +0000 | [diff] [blame] | 180 | |
| 181 | // pr5432 |
| 182 | enum e {X}; |
| 183 | |
| 184 | const int a[][2] = {{1}}; |
| 185 | |
| 186 | int test_pr5432() { |
| 187 | return a[X][X]; |
| 188 | } |
| 189 | |
Anders Carlsson | a8a1e3d | 2009-11-14 21:26:41 +0000 | [diff] [blame] | 190 | void f() { |
| 191 | (void)__extension__(A()); |
| 192 | } |
Douglas Gregor | ccd4713 | 2010-06-08 21:03:17 +0000 | [diff] [blame] | 193 | |
| 194 | namespace PR7319 { |
| 195 | typedef enum { Enum1, Enum2, Enum3 } MyEnum; |
| 196 | |
| 197 | template<typename X> bool operator>(const X &inX1, const X &inX2); |
| 198 | |
| 199 | void f() { |
| 200 | MyEnum e1, e2; |
| 201 | if (e1 > e2) {} |
| 202 | } |
| 203 | } |
Douglas Gregor | fec56e7 | 2010-11-03 17:00:07 +0000 | [diff] [blame] | 204 | |
| 205 | namespace PR8477 { |
| 206 | struct Foo { |
| 207 | operator bool(); |
| 208 | operator const char *(); |
| 209 | }; |
| 210 | |
| 211 | bool doit() { |
| 212 | Foo foo; |
| 213 | long long zero = 0; |
| 214 | (void)(foo + zero); |
| 215 | (void)(foo - zero); |
| 216 | (void)(zero + foo); |
| 217 | (void)(zero[foo]); |
| 218 | (void)(foo - foo); // expected-error{{use of overloaded operator '-' is ambiguous}} \ |
| 219 | // expected-note 4{{built-in candidate operator-}} \ |
| 220 | // expected-note{{candidates omitted}} |
| 221 | return foo[zero] == zero; |
| 222 | } |
| 223 | } |
Douglas Gregor | 2fdc5e8 | 2011-01-05 00:13:17 +0000 | [diff] [blame] | 224 | |
| 225 | namespace PR7851 { |
| 226 | struct X { |
| 227 | operator const void *() const; |
| 228 | operator void *(); |
| 229 | |
| 230 | operator const unsigned *() const; |
| 231 | operator unsigned *(); |
| 232 | }; |
| 233 | |
| 234 | void f() { |
| 235 | X x; |
| 236 | x[0] = 1; |
| 237 | *x = 0; |
| 238 | (void)(x - x); |
| 239 | } |
| 240 | } |
Douglas Gregor | b1c6f5f | 2012-06-04 00:15:09 +0000 | [diff] [blame] | 241 | |
| 242 | namespace PR12854 { |
| 243 | enum { size = 1 }; |
| 244 | void plus_equals() { |
| 245 | int* __restrict py; |
| 246 | py += size; |
| 247 | } |
| 248 | |
| 249 | struct RestrictInt { |
| 250 | operator int* __restrict &(); |
| 251 | }; |
| 252 | |
| 253 | void user_conversions(RestrictInt ri) { |
| 254 | ++ri; |
| 255 | --ri; |
| 256 | ri++; |
| 257 | ri--; |
| 258 | } |
| 259 | } |
Richard Smith | 3c2fcf8 | 2012-06-10 08:00:26 +0000 | [diff] [blame] | 260 | |
| 261 | namespace PR12964 { |
| 262 | struct X { operator __int128() const; } x; |
| 263 | bool a = x == __int128(0); |
| 264 | bool b = x == 0; |
| 265 | |
| 266 | struct Y { operator unsigned __int128() const; } y; |
| 267 | bool c = y == __int128(0); |
| 268 | bool d = y == 0; |
| 269 | |
| 270 | bool e = x == y; |
| 271 | } |