xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenObjC/objc2-write-barrier-2.m (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fobjc-gc -emit-llvm -o %t %s
2*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_global' %t  | count 7
3*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_ivar' %t  | count 5
4*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_strongCast' %t  | count 8
5*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fobjc-gc -emit-llvm -o %t %s
6*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_global' %t  | count 7
7*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_ivar' %t  | count 5
8*f4a2713aSLionel Sambuc// RUN: grep -F '@objc_assign_strongCast' %t  | count 8
9*f4a2713aSLionel Sambuc
10*f4a2713aSLionel Sambucextern id **somefunc(void);
11*f4a2713aSLionel Sambucextern id *somefunc2(void);
12*f4a2713aSLionel Sambuc
13*f4a2713aSLionel Sambuc
14*f4a2713aSLionel Sambuc// Globals
15*f4a2713aSLionel Sambuc
16*f4a2713aSLionel Sambucid W, *X, **Y;
17*f4a2713aSLionel Sambuc
18*f4a2713aSLionel Sambucvoid func(id a, id *b, id **c) {
19*f4a2713aSLionel Sambuc   static id w, *x, **y;
20*f4a2713aSLionel Sambuc   W = a;
21*f4a2713aSLionel Sambuc   w = a;
22*f4a2713aSLionel Sambuc   X = b;
23*f4a2713aSLionel Sambuc   x = b;
24*f4a2713aSLionel Sambuc   Y = c;
25*f4a2713aSLionel Sambuc   y = c;
26*f4a2713aSLionel Sambuc}
27*f4a2713aSLionel Sambuc
28*f4a2713aSLionel Sambuc// Instances
29*f4a2713aSLionel Sambuc
30*f4a2713aSLionel Sambuc@interface something {
31*f4a2713aSLionel Sambuc    id w, *x, **y;
32*f4a2713aSLionel Sambuc}
33*f4a2713aSLionel Sambuc@end
34*f4a2713aSLionel Sambuc
35*f4a2713aSLionel Sambuc@implementation something
36*f4a2713aSLionel Sambuc- (void)amethod {
37*f4a2713aSLionel Sambuc    id badIdea = *somefunc2();
38*f4a2713aSLionel Sambuc    w = badIdea;
39*f4a2713aSLionel Sambuc    x = &badIdea;
40*f4a2713aSLionel Sambuc    y = &x;
41*f4a2713aSLionel Sambuc}
42*f4a2713aSLionel Sambuc@end
43*f4a2713aSLionel Sambuc
44*f4a2713aSLionel Sambuctypedef struct {
45*f4a2713aSLionel Sambuc    int junk;
46*f4a2713aSLionel Sambuc    id  alfred;
47*f4a2713aSLionel Sambuc} AStruct;
48*f4a2713aSLionel Sambuc
49*f4a2713aSLionel Sambucvoid funct2(AStruct *aptr) {
50*f4a2713aSLionel Sambuc    id **ppptr = somefunc();
51*f4a2713aSLionel Sambuc    aptr->alfred = 0;
52*f4a2713aSLionel Sambuc    **ppptr = aptr->alfred;
53*f4a2713aSLionel Sambuc    *ppptr = somefunc2();
54*f4a2713aSLionel Sambuc}
55*f4a2713aSLionel Sambuc
56*f4a2713aSLionel Sambuctypedef const struct __CFString * CFStringRef;
57*f4a2713aSLionel Sambuc@interface DSATextSearch {
58*f4a2713aSLionel Sambuc__strong CFStringRef *_documentNames;
59*f4a2713aSLionel Sambuc  struct {
60*f4a2713aSLionel Sambuc    id *innerNames;
61*f4a2713aSLionel Sambuc    struct {
62*f4a2713aSLionel Sambuc      id *nestedDeeperNames;
63*f4a2713aSLionel Sambuc      struct I {
64*f4a2713aSLionel Sambuc         id *is1;
65*f4a2713aSLionel Sambuc         id is2[5];
66*f4a2713aSLionel Sambuc      } arrI [3];
67*f4a2713aSLionel Sambuc    } inner_most;
68*f4a2713aSLionel Sambuc  } inner;
69*f4a2713aSLionel Sambuc
70*f4a2713aSLionel Sambuc}
71*f4a2713aSLionel Sambuc- filter;
72*f4a2713aSLionel Sambuc@end
73*f4a2713aSLionel Sambuc@implementation DSATextSearch
74*f4a2713aSLionel Sambuc- filter {
75*f4a2713aSLionel Sambuc  int filteredPos = 0;
76*f4a2713aSLionel Sambuc  _documentNames[filteredPos] = 0; // storing into an element of array ivar. objc_assign_strongCast is needed.
77*f4a2713aSLionel Sambuc  inner.innerNames[filteredPos] = 0;
78*f4a2713aSLionel Sambuc  inner.inner_most.nestedDeeperNames[filteredPos] = 0;
79*f4a2713aSLionel Sambuc  inner.inner_most.arrI[3].is1[5] = 0;
80*f4a2713aSLionel Sambuc  inner.inner_most.arrI[3].is2[5] = 0;
81*f4a2713aSLionel Sambuc}
82*f4a2713aSLionel Sambuc@end
83*f4a2713aSLionel Sambuc
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