xref: /minix3/external/bsd/llvm/dist/clang/test/Analysis/casts.m (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.core -analyzer-store=region -verify %s
2*f4a2713aSLionel Sambuc// expected-no-diagnostics
3*f4a2713aSLionel Sambuc
4*f4a2713aSLionel Sambuc// Test function pointer casts.
5*f4a2713aSLionel Sambuctypedef void* (*MyFuncTest1)(void);
6*f4a2713aSLionel Sambuc
7*f4a2713aSLionel SambucMyFuncTest1 test1_aux(void);
8*f4a2713aSLionel Sambucvoid test1(void) {
9*f4a2713aSLionel Sambuc  void *x;
10*f4a2713aSLionel Sambuc  void* (*p)(void);
11*f4a2713aSLionel Sambuc  p = ((void*) test1_aux());
12*f4a2713aSLionel Sambuc  if (p != ((void*) 0)) x = (*p)();
13*f4a2713aSLionel Sambuc}
14*f4a2713aSLionel Sambuc
15*f4a2713aSLionel Sambuc// Test casts from void* to function pointers.
16*f4a2713aSLionel Sambucvoid* test2(void *p) {
17*f4a2713aSLionel Sambuc  MyFuncTest1 fp = (MyFuncTest1) p;
18*f4a2713aSLionel Sambuc  return (*fp)();
19*f4a2713aSLionel Sambuc}
20*f4a2713aSLionel Sambuc
21*f4a2713aSLionel Sambuc// <radar://10087620>
22*f4a2713aSLionel Sambuc// A cast from int onjective C property reference to int.
23*f4a2713aSLionel Sambuctypedef signed char BOOL;
24*f4a2713aSLionel Sambuc@protocol NSObject  - (BOOL)isEqual:(id)object; @end
25*f4a2713aSLionel Sambuc@interface NSObject <NSObject> {} - (id)init; @end
26*f4a2713aSLionel Sambuctypedef enum {
27*f4a2713aSLionel Sambuc  EEOne,
28*f4a2713aSLionel Sambuc  EETwo
29*f4a2713aSLionel Sambuc} RDR10087620Enum;
30*f4a2713aSLionel Sambuc@interface RDR10087620 : NSObject {
31*f4a2713aSLionel Sambuc  RDR10087620Enum   elem;
32*f4a2713aSLionel Sambuc}
33*f4a2713aSLionel Sambuc@property (readwrite, nonatomic) RDR10087620Enum elem;
34*f4a2713aSLionel Sambuc@end
35*f4a2713aSLionel Sambuc
36*f4a2713aSLionel Sambucstatic void
37*f4a2713aSLionel Sambucadium_media_ready_cb(RDR10087620 *InObj)
38*f4a2713aSLionel Sambuc{
39*f4a2713aSLionel Sambuc  InObj.elem |= EEOne;
40*f4a2713aSLionel Sambuc}
41*f4a2713aSLionel Sambuc
42*f4a2713aSLionel Sambuc
43*f4a2713aSLionel Sambuc// PR16690
44*f4a2713aSLionel Sambuc_Bool testLocAsIntegerToBool() {
45*f4a2713aSLionel Sambuc  return (long long)&testLocAsIntegerToBool;
46*f4a2713aSLionel Sambuc}
47