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1; RUN: llc < %s -mtriple x86_64-apple-macosx10.8.0 -mcpu corei7 -filetype=obj -o - \
2; RUN:  | llvm-objdump -triple x86_64-apple-macosx10.8.0 -s - \
3; RUN:  | FileCheck -check-prefix=CU %s
4; RUN: llc < %s -mtriple x86_64-apple-darwin11 -mcpu corei7 \
5; RUN:  | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \
6; RUN:  | llvm-objdump -triple x86_64-apple-darwin11 -s - \
7; RUN:  | FileCheck -check-prefix=FROM-ASM %s
8
9%"struct.dyld::MappedRanges" = type { [400 x %struct.anon], %"struct.dyld::MappedRanges"* }
10%struct.anon = type { %class.ImageLoader*, i64, i64 }
11%class.ImageLoader = type { i32 (...)**, i8*, i8*, i32, i64, i64, i32, i32, %"struct.ImageLoader::recursive_lock"*, i16, i16, [4 x i8] }
12%"struct.ImageLoader::recursive_lock" = type { i32, i32 }
13
14@G1 = external hidden global %"struct.dyld::MappedRanges", align 8
15
16declare void @OSMemoryBarrier() optsize
17
18; This compact unwind encoding indicates that we could not generate correct
19; compact unwind encodings for this function. This then defaults to using the
20; DWARF EH frame.
21
22; CU:      Contents of section __compact_unwind:
23; CU-NEXT: 0048 00000000 00000000 42000000 00000004
24; CU-NEXT: 0058 00000000 00000000 00000000 00000000
25
26; FROM-ASM:      Contents of section __compact_unwind:
27; FROM-ASM-NEXT: 0048 00000000 00000000 42000000 00000004
28; FROM-ASM-NEXT: 0058 00000000 00000000 00000000 00000000
29
30define void @func(%class.ImageLoader* %image) optsize ssp uwtable {
31entry:
32  br label %for.cond1.preheader
33
34for.cond1.preheader:                              ; preds = %for.inc10, %entry
35  %p.019 = phi %"struct.dyld::MappedRanges"* [ @G1, %entry ], [ %1, %for.inc10 ]
36  br label %for.body3
37
38for.body3:                                        ; preds = %for.inc, %for.cond1.preheader
39  %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.inc ]
40  %image4 = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 0, i64 %indvars.iv, i32 0
41  %0 = load %class.ImageLoader** %image4, align 8
42  %cmp5 = icmp eq %class.ImageLoader* %0, %image
43  br i1 %cmp5, label %if.then, label %for.inc
44
45if.then:                                          ; preds = %for.body3
46  tail call void @OSMemoryBarrier() optsize
47  store %class.ImageLoader* null, %class.ImageLoader** %image4, align 8
48  br label %for.inc
49
50for.inc:                                          ; preds = %if.then, %for.body3
51  %indvars.iv.next = add i64 %indvars.iv, 1
52  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
53  %exitcond = icmp eq i32 %lftr.wideiv, 400
54  br i1 %exitcond, label %for.inc10, label %for.body3
55
56for.inc10:                                        ; preds = %for.inc
57  %next = getelementptr inbounds %"struct.dyld::MappedRanges"* %p.019, i64 0, i32 1
58  %1 = load %"struct.dyld::MappedRanges"** %next, align 8
59  %cmp = icmp eq %"struct.dyld::MappedRanges"* %1, null
60  br i1 %cmp, label %for.end11, label %for.cond1.preheader
61
62for.end11:                                        ; preds = %for.inc10
63  ret void
64}
65