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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / efec751a1b786724862ceff52748df94873a807e / . / test / CodeGen / Generic / 2006-03-01-dagcombineinfloop.ll
blob: 797af74c20b5588ab83037bddd11a4dff9455640 [file] [log] [blame]
Reid Spencer69ccadd2006-12-02 04:23:10 +0000[diff] [blame]1; RUN: llvm-upgrade < %s | llvm-as | llc
Chris Lattner358d5af2006-03-01 21:46:53 +0000[diff] [blame]2; Infinite loop in the dag combiner, reduced from 176.gcc.
3
4 %struct._obstack_chunk = type { sbyte*, %struct._obstack_chunk*, [4 x sbyte] }
5 %struct.anon = type { int }
6 %struct.lang_decl = type opaque
7 %struct.lang_type = type { int, [1 x %struct.tree_node*] }
8 %struct.obstack = type { int, %struct._obstack_chunk*, sbyte*, sbyte*, sbyte*, int, int, %struct._obstack_chunk* (...)*, void (...)*, sbyte*, ubyte }
9 %struct.rtx_def = type { ushort, ubyte, ubyte, [1 x %struct.anon] }
10 %struct.tree_common = type { %struct.tree_node*, %struct.tree_node*, ubyte, ubyte, ubyte, ubyte }
11 %struct.tree_decl = type { [12 x sbyte], sbyte*, int, %struct.tree_node*, uint, ubyte, ubyte, ubyte, ubyte, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.rtx_def*, %struct.anon, { %struct.rtx_def* }, %struct.tree_node*, %struct.lang_decl* }
12 %struct.tree_list = type { [12 x sbyte], %struct.tree_node*, %struct.tree_node* }
13 %struct.tree_node = type { %struct.tree_decl }
14 %struct.tree_type = type { [12 x sbyte], %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, uint, ubyte, ubyte, ubyte, ubyte, uint, %struct.tree_node*, %struct.tree_node*, %struct.anon, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.obstack*, %struct.lang_type* }
15%void_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
16%char_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
17%short_integer_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
18%short_unsigned_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
19%float_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
20%signed_char_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
21%unsigned_char_type_node = external global %struct.tree_node* ; <%struct.tree_node**> [#uses=1]
22
23implementation ; Functions:
24
25fastcc int %self_promoting_args_p(%struct.tree_node* %parms) {
26entry:
27 %tmp915 = seteq %struct.tree_node* %parms, null ; <bool> [#uses=1]
28 br bool %tmp915, label %return, label %cond_true92.preheader
29
30cond_true: ; preds = %cond_true92
31 %tmp9.not = setne %struct.tree_node* %tmp2, %tmp7 ; <bool> [#uses=1]
32 %tmp14 = seteq %struct.tree_node* %tmp2, null ; <bool> [#uses=1]
33 %bothcond = or bool %tmp9.not, %tmp14 ; <bool> [#uses=1]
34 br bool %bothcond, label %return, label %cond_next18
35
36cond_next12: ; preds = %cond_true92
37 %tmp14.old = seteq %struct.tree_node* %tmp2, null ; <bool> [#uses=1]
38 br bool %tmp14.old, label %return, label %cond_next18
39
40cond_next18: ; preds = %cond_next12, %cond_true
41 %tmp20 = cast %struct.tree_node* %tmp2 to %struct.tree_type* ; <%struct.tree_type*> [#uses=1]
42 %tmp21 = getelementptr %struct.tree_type* %tmp20, int 0, uint 17 ; <%struct.tree_node**> [#uses=1]
43 %tmp22 = load %struct.tree_node** %tmp21 ; <%struct.tree_node*> [#uses=6]
44 %tmp24 = seteq %struct.tree_node* %tmp22, %tmp23 ; <bool> [#uses=1]
45 br bool %tmp24, label %return, label %cond_next28
46
47cond_next28: ; preds = %cond_next18
48 %tmp30 = cast %struct.tree_node* %tmp2 to %struct.tree_common* ; <%struct.tree_common*> [#uses=1]
49 %tmp = getelementptr %struct.tree_common* %tmp30, int 0, uint 2 ; <ubyte*> [#uses=1]
50 %tmp = cast ubyte* %tmp to uint* ; <uint*> [#uses=1]
51 %tmp = load uint* %tmp ; <uint> [#uses=1]
52 %tmp32 = cast uint %tmp to ubyte ; <ubyte> [#uses=1]
53 %tmp33 = seteq ubyte %tmp32, 7 ; <bool> [#uses=1]
54 br bool %tmp33, label %cond_true34, label %cond_next84
55
56cond_true34: ; preds = %cond_next28
57 %tmp40 = seteq %struct.tree_node* %tmp22, %tmp39 ; <bool> [#uses=1]
58 %tmp49 = seteq %struct.tree_node* %tmp22, %tmp48 ; <bool> [#uses=1]
59 %bothcond6 = or bool %tmp40, %tmp49 ; <bool> [#uses=1]
60 %tmp58 = seteq %struct.tree_node* %tmp22, %tmp57 ; <bool> [#uses=1]
61 %bothcond7 = or bool %bothcond6, %tmp58 ; <bool> [#uses=1]
62 %tmp67 = seteq %struct.tree_node* %tmp22, %tmp66 ; <bool> [#uses=1]
63 %bothcond8 = or bool %bothcond7, %tmp67 ; <bool> [#uses=1]
64 %tmp76 = seteq %struct.tree_node* %tmp22, %tmp75 ; <bool> [#uses=1]
65 %bothcond9 = or bool %bothcond8, %tmp76 ; <bool> [#uses=2]
66 %brmerge = or bool %bothcond9, %tmp ; <bool> [#uses=1]
67 %bothcond9 = cast bool %bothcond9 to int ; <int> [#uses=1]
68 %.mux = xor int %bothcond9, 1 ; <int> [#uses=1]
69 br bool %brmerge, label %return, label %cond_true92
70
71cond_next84: ; preds = %cond_next28
72 br bool %tmp, label %return, label %cond_true92
73
74cond_true92.preheader: ; preds = %entry
75 %tmp7 = load %struct.tree_node** %void_type_node ; <%struct.tree_node*> [#uses=1]
76 %tmp23 = load %struct.tree_node** %float_type_node ; <%struct.tree_node*> [#uses=1]
77 %tmp39 = load %struct.tree_node** %char_type_node ; <%struct.tree_node*> [#uses=1]
78 %tmp48 = load %struct.tree_node** %signed_char_type_node ; <%struct.tree_node*> [#uses=1]
79 %tmp57 = load %struct.tree_node** %unsigned_char_type_node ; <%struct.tree_node*> [#uses=1]
80 %tmp66 = load %struct.tree_node** %short_integer_type_node ; <%struct.tree_node*> [#uses=1]
81 %tmp75 = load %struct.tree_node** %short_unsigned_type_node ; <%struct.tree_node*> [#uses=1]
82 br label %cond_true92
83
84cond_true92: ; preds = %cond_true92.preheader, %cond_next84, %cond_true34
85 %t.0.0 = phi %struct.tree_node* [ %parms, %cond_true92.preheader ], [ %tmp6, %cond_true34 ], [ %tmp6, %cond_next84 ] ; <%struct.tree_node*> [#uses=2]
86 %tmp = cast %struct.tree_node* %t.0.0 to %struct.tree_list* ; <%struct.tree_list*> [#uses=1]
87 %tmp = getelementptr %struct.tree_list* %tmp, int 0, uint 2 ; <%struct.tree_node**> [#uses=1]
88 %tmp2 = load %struct.tree_node** %tmp ; <%struct.tree_node*> [#uses=5]
89 %tmp4 = cast %struct.tree_node* %t.0.0 to %struct.tree_common* ; <%struct.tree_common*> [#uses=1]
90 %tmp5 = getelementptr %struct.tree_common* %tmp4, int 0, uint 0 ; <%struct.tree_node**> [#uses=1]
91 %tmp6 = load %struct.tree_node** %tmp5 ; <%struct.tree_node*> [#uses=3]
92 %tmp = seteq %struct.tree_node* %tmp6, null ; <bool> [#uses=3]
93 br bool %tmp, label %cond_true, label %cond_next12
94
95return: ; preds = %cond_next84, %cond_true34, %cond_next18, %cond_next12, %cond_true, %entry
96 %retval.0 = phi int [ 1, %entry ], [ 1, %cond_next84 ], [ %.mux, %cond_true34 ], [ 0, %cond_next18 ], [ 0, %cond_next12 ], [ 0, %cond_true ] ; <int> [#uses=1]
97 ret int %retval.0
98}