1 ; Make sure this succeeds without hitting an assertion and the output is deterministic
3 ; RUN: opt -passes=objc-arc %s -S -o %t/out1.ll
4 ; RUN: opt -passes=objc-arc %s -S -o %t/out2.ll
5 ; RUN: diff -u %t/out1.ll %t/out2.ll
8 %struct._class_t = type { ptr, ptr, ptr, ptr, ptr }
9 %struct._objc_cache = type opaque
10 %struct._class_ro_t = type { i32, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
11 %struct.__method_list_t = type { i32, i32, [0 x %struct._objc_method] }
12 %struct._objc_method = type { ptr, ptr, ptr }
13 %struct._objc_protocol_list = type { i64, [0 x ptr] }
14 %struct._protocol_t = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, ptr, ptr, ptr }
15 %struct._ivar_list_t = type { i32, i32, [0 x %struct._ivar_t] }
16 %struct._ivar_t = type { ptr, ptr, ptr, i32, i32 }
17 %struct._prop_list_t = type { i32, i32, [0 x %struct._prop_t] }
18 %struct._prop_t = type { ptr, ptr }
19 %struct.__NSConstantString_tag = type { ptr, i32, ptr, i64 }
21 @.str = private unnamed_addr constant [8 x i8] c"%s: %s\0A\00", align 1
22 @OBJC_METH_VAR_NAME_ = private unnamed_addr constant [25 x i8] c"fileSystemRepresentation\00", section "__TEXT,__objc_methname,cstring_literals", align 1
23 @OBJC_SELECTOR_REFERENCES_ = internal externally_initialized global ptr @OBJC_METH_VAR_NAME_, section "__DATA,__objc_selrefs,literal_pointers,no_dead_strip", align 8
24 @"OBJC_CLASS_$_NSString" = external global %struct._class_t
25 @"OBJC_CLASSLIST_REFERENCES_$_" = internal global ptr @"OBJC_CLASS_$_NSString", section "__DATA,__objc_classrefs,regular,no_dead_strip", align 8
26 @__CFConstantStringClassReference = external global [0 x i32]
27 @.str.1 = private unnamed_addr constant [3 x i8] c"%@\00", section "__TEXT,__cstring,cstring_literals", align 1
28 @_unnamed_cfstring_ = private global %struct.__NSConstantString_tag { ptr @__CFConstantStringClassReference, i32 1992, ptr @.str.1, i64 2 }, section "__DATA,__cfstring", align 8 #0
29 @OBJC_METH_VAR_NAME_.2 = private unnamed_addr constant [18 x i8] c"stringWithFormat:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
30 @OBJC_SELECTOR_REFERENCES_.3 = internal externally_initialized global ptr @OBJC_METH_VAR_NAME_.2, section "__DATA,__objc_selrefs,literal_pointers,no_dead_strip", align 8
31 @global1 = external local_unnamed_addr constant ptr, align 8
32 @llvm.compiler.used = appending global [5 x ptr] [ptr @OBJC_METH_VAR_NAME_, ptr @OBJC_SELECTOR_REFERENCES_, ptr @"OBJC_CLASSLIST_REFERENCES_$_", ptr @OBJC_METH_VAR_NAME_.2, ptr @OBJC_SELECTOR_REFERENCES_.3], section "llvm.metadata"
34 ; Function Attrs: optsize ssp uwtable(sync)
35 define i32 @main(i32 noundef %argc, ptr nocapture noundef readnone %argv) local_unnamed_addr #1 {
37 %persistent = alloca i32, align 4
38 %personalized = alloca i32, align 4
39 %cmp31 = icmp sgt i32 %argc, 1
40 br i1 %cmp31, label %for.body.lr.ph, label %for.cond.cleanup
42 for.body.lr.ph: ; preds = %entry
43 %0 = load ptr, ptr @OBJC_SELECTOR_REFERENCES_, align 8
44 %1 = load ptr, ptr @OBJC_SELECTOR_REFERENCES_.3, align 8
47 for.cond.cleanup.loopexit: ; preds = %if.end19
48 br label %for.cond.cleanup
50 for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
53 for.body: ; preds = %for.body.lr.ph, %if.end19
54 %i.032 = phi i32 [ 1, %for.body.lr.ph ], [ %inc, %if.end19 ]
55 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %persistent) #4
56 store i32 0, ptr %persistent, align 4
57 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %personalized) #4
58 store i32 0, ptr %personalized, align 4
59 %call = call zeroext i1 @lookupType(ptr noundef nonnull %persistent, ptr noundef nonnull %personalized) #8, !clang.arc.no_objc_arc_exceptions !15
60 br i1 %call, label %if.then, label %if.end19
62 if.then: ; preds = %for.body
63 %2 = load i32, ptr %persistent, align 4
64 %cmp1.not = icmp eq i32 %2, 0
65 br i1 %cmp1.not, label %if.end, label %if.then2
67 if.then2: ; preds = %if.then
68 %call34 = call ptr @getnsstr() #8 [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ], !clang.arc.no_objc_arc_exceptions !15
69 call void (...) @llvm.objc.clang.arc.noop.use(ptr %call34) #4
70 call void @llvm.objc.release(ptr null) #4, !clang.imprecise_release !15
71 %call56 = call ptr @getnsstr() #8 [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ], !clang.arc.no_objc_arc_exceptions !15
72 call void (...) @llvm.objc.clang.arc.noop.use(ptr %call56) #4
73 call void @llvm.objc.release(ptr null) #4, !clang.imprecise_release !15
76 if.end: ; preds = %if.then2, %if.then
77 %path.0 = phi ptr [ %call34, %if.then2 ], [ null, %if.then ]
78 %name.0 = phi ptr [ %call56, %if.then2 ], [ null, %if.then ]
79 %3 = load i32, ptr %personalized, align 4
80 %cmp7.not = icmp eq i32 %3, 0
81 br i1 %cmp7.not, label %if.end11, label %if.then8
83 if.then8: ; preds = %if.end
84 %call910 = call ptr @getnsstr() #8 [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ], !clang.arc.no_objc_arc_exceptions !15
85 call void (...) @llvm.objc.clang.arc.noop.use(ptr %call910) #4
86 call void @llvm.objc.release(ptr %path.0) #4, !clang.imprecise_release !15
89 if.end11: ; preds = %if.then8, %if.end
90 %path.1 = phi ptr [ %call910, %if.then8 ], [ %path.0, %if.end ]
91 %cmp12.not = icmp eq ptr %path.1, null
92 br i1 %cmp12.not, label %if.else, label %if.then13
94 if.then13: ; preds = %if.end11
95 %call14 = call ptr @objc_msgSend(ptr noundef nonnull %path.1, ptr noundef %0) #8, !clang.arc.no_objc_arc_exceptions !15
96 %call15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, ptr noundef %call14) #8, !clang.arc.no_objc_arc_exceptions !15
99 if.else: ; preds = %if.end11
100 %4 = load ptr, ptr @"OBJC_CLASSLIST_REFERENCES_$_", align 8
101 %call1617 = call ptr (ptr, ptr, ptr, ...) @objc_msgSend(ptr noundef %4, ptr noundef %1, ptr noundef nonnull @_unnamed_cfstring_, ptr noundef null) #8 [ "clang.arc.attachedcall"(ptr @llvm.objc.retainAutoreleasedReturnValue) ], !clang.arc.no_objc_arc_exceptions !15
102 call void (...) @llvm.objc.clang.arc.noop.use(ptr %call1617) #4
103 call void @llvm.objc.release(ptr %call1617) #4, !clang.imprecise_release !15
106 if.end18: ; preds = %if.else, %if.then13
107 %.pre-phi = phi ptr [ null, %if.else ], [ %path.1, %if.then13 ]
108 call void @llvm.objc.release(ptr %name.0) #4, !clang.imprecise_release !15
109 call void @llvm.objc.release(ptr %.pre-phi) #4, !clang.imprecise_release !15
112 if.end19: ; preds = %if.end18, %for.body
113 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %personalized) #4
114 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %persistent) #4
115 %inc = add nuw nsw i32 %i.032, 1
116 %exitcond.not = icmp eq i32 %inc, %argc
117 br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body
120 ; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn
121 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2
123 ; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn
124 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2
126 ; Function Attrs: inaccessiblememonly mustprogress nocallback nofree nosync nounwind willreturn
127 declare void @llvm.objc.clang.arc.noop.use(...) #5
129 declare zeroext i1 @lookupType(ptr noundef, ptr noundef) #2
131 declare ptr @getnsstr(...) #2
133 ; Function Attrs: nounwind
134 declare ptr @llvm.objc.retainAutoreleasedReturnValue(ptr) #3
136 ; Function Attrs: nounwind
137 declare void @llvm.objc.release(ptr) #3
139 declare i32 @printf(ptr noundef, ...) #2
141 ; Function Attrs: nonlazybind
142 declare ptr @objc_msgSend(ptr, ptr, ...) #4
144 attributes #0 = { "objc_arc_inert" }