blob: c07f2cc603612e40bce42eaabfd774bda87c9e5d [file] [log] [blame]
Chris Lattnercf0b1982009-11-27 22:50:07 +00001; RUN: opt -gvn %s -disable-output
2
3; PR5631
4
5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
6target triple = "x86_64-apple-darwin10.0"
7
8define i32* @peel_to_type(i8* %name, i32 %namelen, i32* %o, i32 %expected_type) nounwind ssp {
9entry:
10 br i1 undef, label %if.end13, label %while.body.preheader
11
12
13if.end13: ; preds = %if.then6
14 br label %while.body.preheader
15
16while.body.preheader: ; preds = %if.end13, %if.end
17 br label %while.body
18
19while.body: ; preds = %while.body.backedge, %while.body.preheader
20 %o.addr.0 = phi i32* [ undef, %while.body.preheader ], [ %o.addr.0.be, %while.body.backedge ] ; <i32*> [#uses=2]
21 br i1 false, label %return.loopexit, label %lor.lhs.false
22
23lor.lhs.false: ; preds = %while.body
24 %tmp20 = bitcast i32* %o.addr.0 to i32* ; <i32*> [#uses=1]
25 %tmp22 = load i32* %tmp20 ; <i32> [#uses=0]
26 br i1 undef, label %land.lhs.true24, label %if.end31
27
28land.lhs.true24: ; preds = %lor.lhs.false
29 %call28 = call i32* @parse_object(i8* undef) nounwind ; <i32*> [#uses=0]
30 br i1 undef, label %return.loopexit, label %if.end31
31
32if.end31: ; preds = %land.lhs.true24, %lor.lhs.false
33 br i1 undef, label %return.loopexit, label %if.end41
34
35if.end41: ; preds = %if.end31
36 %tmp43 = bitcast i32* %o.addr.0 to i32* ; <i32*> [#uses=1]
37 %tmp45 = load i32* %tmp43 ; <i32> [#uses=0]
38 br i1 undef, label %if.then50, label %if.else
39
40if.then50: ; preds = %if.end41
41 %tmp53 = load i32** undef ; <i32*> [#uses=1]
42 br label %while.body.backedge
43
44if.else: ; preds = %if.end41
45 br i1 undef, label %if.then62, label %if.else67
46
47if.then62: ; preds = %if.else
48 br label %while.body.backedge
49
50while.body.backedge: ; preds = %if.then62, %if.then50
51 %o.addr.0.be = phi i32* [ %tmp53, %if.then50 ], [ undef, %if.then62 ] ; <i32*> [#uses=1]
52 br label %while.body
53
54if.else67: ; preds = %if.else
55 ret i32* null
56
57return.loopexit: ; preds = %if.end31, %land.lhs.true24, %while.body
58 ret i32* undef
59}
60
61declare i32* @parse_object(i8*)
Chris Lattnerfd75b902009-12-01 06:22:10 +000062
63
64
65
66
67
68%struct.attribute_spec = type { i8*, i32, i32, i8, i8, i8 }
69
70@attribute_tables = external global [4 x %struct.attribute_spec*] ; <[4 x %struct.attribute_spec*]*> [#uses=2]
71
72define void @decl_attributes() nounwind {
73entry:
74 br label %bb69.i
75
76bb69.i: ; preds = %bb57.i.preheader
77 %tmp4 = getelementptr inbounds [4 x %struct.attribute_spec*]* @attribute_tables, i32 0, i32 undef ; <%struct.attribute_spec**> [#uses=1]
78 %tmp5 = getelementptr inbounds [4 x %struct.attribute_spec*]* @attribute_tables, i32 0, i32 undef ; <%struct.attribute_spec**> [#uses=1]
79 %tmp3 = load %struct.attribute_spec** %tmp4, align 4 ; <%struct.attribute_spec*> [#uses=1]
80 br label %bb65.i
81
82bb65.i: ; preds = %bb65.i.preheader, %bb64.i
83 %storemerge6.i = phi i32 [ 1, %bb64.i ], [ 0, %bb69.i ] ; <i32> [#uses=3]
84 %scevgep14 = getelementptr inbounds %struct.attribute_spec* %tmp3, i32 %storemerge6.i, i32 0 ; <i8**> [#uses=1]
85 %tmp2 = load i8** %scevgep14, align 4 ; <i8*> [#uses=0]
86 %tmp = load %struct.attribute_spec** %tmp5, align 4 ; <%struct.attribute_spec*> [#uses=1]
87 %scevgep1516 = getelementptr inbounds %struct.attribute_spec* %tmp, i32 %storemerge6.i, i32 0 ; <i8**> [#uses=0]
88 unreachable
89
90bb64.i: ; Unreachable
91 br label %bb65.i
92
93bb66.i: ; Unreachable
94 br label %bb69.i
95}