1// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-runtime-has-weak -fobjc-arc -verify %s 2// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -verify -DNOARC %s 3#ifdef NOARC 4// expected-no-diagnostics 5#endif 6 7int testObjCComparisonRules(void *v, id x, id y) { 8 return v == x; 9#ifndef NOARC 10// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} 11// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 12// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 13#endif 14 return v >= x; 15#ifndef NOARC 16// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} 17// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 18// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 19#endif 20 return v == (id)(void *)0; // OK 21 return v == nullptr; // OK 22 return v == (void *)0; 23 return x == y; 24} 25 26@class A; 27 28int testMixedQualComparisonRules(void *v, const void *cv, A *a, const A *ca) { 29 return cv == ca; 30#ifndef NOARC 31// expected-error@-2 {{implicit conversion of Objective-C pointer type 'const A *' to C pointer type 'const void *' requires a bridged cast}} 32// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 33// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'const void *'}} 34#endif 35 // FIXME: The "to" type in this diagnostic is wrong; we should convert to "const void *". 36 return v == ca; 37#ifndef NOARC 38// expected-error@-2 {{implicit conversion of Objective-C pointer type 'const A *' to C pointer type 'void *' requires a bridged cast}} 39// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 40// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 41#endif 42 return cv == a; 43#ifndef NOARC 44// expected-error@-2 {{implicit conversion of Objective-C pointer type 'A *' to C pointer type 'const void *' requires a bridged cast}} 45// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 46// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'const void *'}} 47#endif 48 49 // FIXME: Shouldn't these be rejected in ARC mode too? 50 return ca == cv; 51 return a == cv; 52 return ca == v; 53} 54 55#ifndef NOARC 56int testDoublePtr(void *pv, void **ppv, A *__strong* pspa, A *__weak* pwpa, A *__strong** ppspa) { 57 return pv == pspa; 58 return pspa == pv; 59 return pv == pspa; 60 return pv == pwpa; 61 return pspa == pwpa; // expected-error {{comparison of distinct pointer types}} 62 return ppv == pspa; // expected-error {{comparison of distinct pointer types}} 63 return pspa == ppv; // expected-error {{comparison of distinct pointer types}} 64 return pv == ppspa; 65 return ppv == ppspa; // expected-error{{comparison of distinct pointer types}} 66} 67#endif 68