1*35131716SErik Pilkington// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-runtime-has-weak -fobjc-arc -verify %s 2df42cf10SAlex Lorenz// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -verify -DNOARC %s 3df42cf10SAlex Lorenz#ifdef NOARC 4df42cf10SAlex Lorenz// expected-no-diagnostics 5df42cf10SAlex Lorenz#endif 6df42cf10SAlex Lorenz 7df42cf10SAlex Lorenzint testObjCComparisonRules(void *v, id x, id y) { 8df42cf10SAlex Lorenz return v == x; 9df42cf10SAlex Lorenz#ifndef NOARC 10df42cf10SAlex Lorenz// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} 11df42cf10SAlex Lorenz// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 12df42cf10SAlex Lorenz// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 13df42cf10SAlex Lorenz#endif 14df42cf10SAlex Lorenz return v >= x; 15df42cf10SAlex Lorenz#ifndef NOARC 16df42cf10SAlex Lorenz// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} 17df42cf10SAlex Lorenz// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 18df42cf10SAlex Lorenz// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 19df42cf10SAlex Lorenz#endif 20df42cf10SAlex Lorenz return v == (id)(void *)0; // OK 21df42cf10SAlex Lorenz return v == nullptr; // OK 22df42cf10SAlex Lorenz return v == (void *)0; 23df42cf10SAlex Lorenz return x == y; 24df42cf10SAlex Lorenz} 25fbf915f0SRichard Smith 26fbf915f0SRichard Smith@class A; 27fbf915f0SRichard Smith 28fbf915f0SRichard Smithint testMixedQualComparisonRules(void *v, const void *cv, A *a, const A *ca) { 29fbf915f0SRichard Smith return cv == ca; 30fbf915f0SRichard Smith#ifndef NOARC 31fbf915f0SRichard Smith// expected-error@-2 {{implicit conversion of Objective-C pointer type 'const A *' to C pointer type 'const void *' requires a bridged cast}} 32fbf915f0SRichard Smith// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 33fbf915f0SRichard Smith// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'const void *'}} 34fbf915f0SRichard Smith#endif 35fbf915f0SRichard Smith // FIXME: The "to" type in this diagnostic is wrong; we should convert to "const void *". 36fbf915f0SRichard Smith return v == ca; 37fbf915f0SRichard Smith#ifndef NOARC 38fbf915f0SRichard Smith// expected-error@-2 {{implicit conversion of Objective-C pointer type 'const A *' to C pointer type 'void *' requires a bridged cast}} 39fbf915f0SRichard Smith// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 40fbf915f0SRichard Smith// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}} 41fbf915f0SRichard Smith#endif 42fbf915f0SRichard Smith return cv == a; 43fbf915f0SRichard Smith#ifndef NOARC 44fbf915f0SRichard Smith// expected-error@-2 {{implicit conversion of Objective-C pointer type 'A *' to C pointer type 'const void *' requires a bridged cast}} 45fbf915f0SRichard Smith// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}} 46fbf915f0SRichard Smith// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'const void *'}} 47fbf915f0SRichard Smith#endif 48fbf915f0SRichard Smith 49fbf915f0SRichard Smith // FIXME: Shouldn't these be rejected in ARC mode too? 50fbf915f0SRichard Smith return ca == cv; 51fbf915f0SRichard Smith return a == cv; 52fbf915f0SRichard Smith return ca == v; 53fbf915f0SRichard Smith} 54*35131716SErik Pilkington 55*35131716SErik Pilkington#ifndef NOARC 56*35131716SErik Pilkingtonint testDoublePtr(void *pv, void **ppv, A *__strong* pspa, A *__weak* pwpa, A *__strong** ppspa) { 57*35131716SErik Pilkington return pv == pspa; 58*35131716SErik Pilkington return pspa == pv; 59*35131716SErik Pilkington return pv == pspa; 60*35131716SErik Pilkington return pv == pwpa; 61*35131716SErik Pilkington return pspa == pwpa; // expected-error {{comparison of distinct pointer types}} 62*35131716SErik Pilkington return ppv == pspa; // expected-error {{comparison of distinct pointer types}} 63*35131716SErik Pilkington return pspa == ppv; // expected-error {{comparison of distinct pointer types}} 64*35131716SErik Pilkington return pv == ppspa; 65*35131716SErik Pilkington return ppv == ppspa; // expected-error{{comparison of distinct pointer types}} 66*35131716SErik Pilkington} 67*35131716SErik Pilkington#endif 68