File: arc-ptr-comparison.mm

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (24 lines) | stat: -rw-r--r-- 1,084 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin11 -fsyntax-only -verify -DNOARC %s
#ifdef NOARC
// expected-no-diagnostics
#endif

int testObjCComparisonRules(void *v, id x, id y) {
  return v == x;
#ifndef NOARC
// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}}
// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}}
// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}}
#endif
  return v >= x;
#ifndef NOARC
// expected-error@-2 {{implicit conversion of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}}
// expected-note@-3 {{use __bridge to convert directly (no change in ownership)}}
// expected-note@-4 {{use __bridge_retained to make an ARC object available as a +1 'void *'}}
#endif
  return v == (id)(void *)0; // OK
  return v == nullptr; // OK
  return v == (void *)0;
  return x == y;
}