1 ; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
2 ; RUN: grep -v {icmp ult int}
6 target datalayout = "e-p:32:32"
8 target pointersize = 32
9 target triple = "i686-pc-linux-gnu"
10 %struct.edgeBox = type { short, short, short, short, short, short }
11 %qsz = external global int ; <int*> [#uses=12]
12 %thresh = external global int ; <int*> [#uses=2]
13 %mthresh = external global int ; <int*> [#uses=1]
15 implementation ; Functions:
17 int %qsorte(sbyte* %base, int %n, int %size) {
19 %tmp = setgt int %n, 1 ; <bool> [#uses=1]
20 br bool %tmp, label %cond_next, label %return
22 cond_next: ; preds = %entry
23 store int %size, int* %qsz
24 %tmp3 = shl int %size, ubyte 2 ; <int> [#uses=1]
25 store int %tmp3, int* %thresh
26 %tmp4 = load int* %qsz ; <int> [#uses=1]
27 %tmp5 = mul int %tmp4, 6 ; <int> [#uses=1]
28 store int %tmp5, int* %mthresh
29 %tmp6 = load int* %qsz ; <int> [#uses=1]
30 %tmp8 = mul int %tmp6, %n ; <int> [#uses=1]
31 %tmp9 = getelementptr sbyte* %base, int %tmp8 ; <sbyte*> [#uses=3]
32 %tmp11 = setgt int %n, 3 ; <bool> [#uses=1]
33 br bool %tmp11, label %cond_true12, label %bb30
35 cond_true12: ; preds = %cond_next
36 %tmp156 = call int %qste( sbyte* %base, sbyte* %tmp9 ) ; <int> [#uses=0]
37 %tmp16 = load int* %thresh ; <int> [#uses=1]
38 %tmp18 = getelementptr sbyte* %base, int %tmp16 ; <sbyte*> [#uses=2]
39 %tmp3117 = load int* %qsz ; <int> [#uses=1]
40 %tmp3318 = getelementptr sbyte* %base, int %tmp3117 ; <sbyte*> [#uses=2]
41 %tmp3621 = setlt sbyte* %tmp3318, %tmp18 ; <bool> [#uses=1]
42 br bool %tmp3621, label %bb, label %bb37
44 bb: ; preds = %bb30, %cond_true12
45 %hi.0.0 = phi sbyte* [ %tmp18, %cond_true12 ], [ %hi.0, %bb30 ] ; <sbyte*> [#uses=4]
46 %j.1.0 = phi sbyte* [ %base, %cond_true12 ], [ %j.1, %bb30 ] ; <sbyte*> [#uses=4]
47 %tmp33.0 = phi sbyte* [ %tmp3318, %cond_true12 ], [ %tmp33, %bb30 ] ; <sbyte*> [#uses=6]
48 %tmp3 = bitcast sbyte* %j.1.0 to %struct.edgeBox* ; <%struct.edgeBox*> [#uses=1]
49 %tmp4 = bitcast sbyte* %tmp33.0 to %struct.edgeBox* ; <%struct.edgeBox*> [#uses=1]
50 %tmp255 = call int %comparee( %struct.edgeBox* %tmp3, %struct.edgeBox* %tmp4 ) ; <int> [#uses=1]
51 %tmp26 = setgt int %tmp255, 0 ; <bool> [#uses=1]
52 br bool %tmp26, label %cond_true27, label %bb30
54 cond_true27: ; preds = %bb
57 bb30: ; preds = %cond_true27, %bb, %cond_next
58 %hi.0.3 = phi sbyte* [ %hi.0.0, %cond_true27 ], [ %hi.0.0, %bb ], [ undef, %cond_next ] ; <sbyte*> [#uses=0]
59 %j.1.3 = phi sbyte* [ %j.1.0, %cond_true27 ], [ %j.1.0, %bb ], [ undef, %cond_next ] ; <sbyte*> [#uses=0]
60 %tmp33.3 = phi sbyte* [ %tmp33.0, %cond_true27 ], [ %tmp33.0, %bb ], [ undef, %cond_next ] ; <sbyte*> [#uses=0]
61 %hi.0 = phi sbyte* [ %tmp9, %cond_next ], [ %hi.0.0, %bb ], [ %hi.0.0, %cond_true27 ] ; <sbyte*> [#uses=2]
62 %lo.1 = phi sbyte* [ %tmp33.0, %cond_true27 ], [ %tmp33.0, %bb ], [ %base, %cond_next ] ; <sbyte*> [#uses=1]
63 %j.1 = phi sbyte* [ %tmp33.0, %cond_true27 ], [ %j.1.0, %bb ], [ %base, %cond_next ] ; <sbyte*> [#uses=2]
64 %tmp31 = load int* %qsz ; <int> [#uses=1]
65 %tmp33 = getelementptr sbyte* %lo.1, int %tmp31 ; <sbyte*> [#uses=2]
66 %tmp36 = setlt sbyte* %tmp33, %hi.0 ; <bool> [#uses=1]
67 br bool %tmp36, label %bb, label %bb37
69 bb37: ; preds = %bb30, %cond_true12
70 %j.1.1 = phi sbyte* [ %j.1, %bb30 ], [ %base, %cond_true12 ] ; <sbyte*> [#uses=4]
71 %tmp40 = seteq sbyte* %j.1.1, %base ; <bool> [#uses=1]
72 br bool %tmp40, label %bb115, label %cond_true41
74 cond_true41: ; preds = %bb37
75 %tmp43 = load int* %qsz ; <int> [#uses=1]
76 %tmp45 = getelementptr sbyte* %base, int %tmp43 ; <sbyte*> [#uses=2]
77 %tmp6030 = setlt sbyte* %base, %tmp45 ; <bool> [#uses=1]
78 br bool %tmp6030, label %bb46, label %bb115
80 bb46: ; preds = %bb46, %cond_true41
81 %j.2.0 = phi sbyte* [ %j.1.1, %cond_true41 ], [ %tmp52, %bb46 ] ; <sbyte*> [#uses=3]
82 %i.2.0 = phi sbyte* [ %base, %cond_true41 ], [ %tmp56, %bb46 ] ; <sbyte*> [#uses=3]
83 %tmp = load sbyte* %j.2.0 ; <sbyte> [#uses=2]
84 %tmp49 = load sbyte* %i.2.0 ; <sbyte> [#uses=1]
85 store sbyte %tmp49, sbyte* %j.2.0
86 %tmp52 = getelementptr sbyte* %j.2.0, int 1 ; <sbyte*> [#uses=2]
87 store sbyte %tmp, sbyte* %i.2.0
88 %tmp56 = getelementptr sbyte* %i.2.0, int 1 ; <sbyte*> [#uses=3]
89 %tmp60 = setlt sbyte* %tmp56, %tmp45 ; <bool> [#uses=1]
90 br bool %tmp60, label %bb46, label %bb115
92 bb66: ; preds = %bb115, %bb66
93 %hi.3 = phi sbyte* [ %tmp118, %bb115 ], [ %tmp70, %bb66 ] ; <sbyte*> [#uses=2]
94 %tmp67 = load int* %qsz ; <int> [#uses=2]
95 %tmp68 = sub int 0, %tmp67 ; <int> [#uses=1]
96 %tmp70 = getelementptr sbyte* %hi.3, int %tmp68 ; <sbyte*> [#uses=2]
97 %tmp = bitcast sbyte* %tmp70 to %struct.edgeBox* ; <%struct.edgeBox*> [#uses=1]
98 %tmp1 = bitcast sbyte* %tmp118 to %struct.edgeBox* ; <%struct.edgeBox*> [#uses=1]
99 %tmp732 = call int %comparee( %struct.edgeBox* %tmp, %struct.edgeBox* %tmp1 ) ; <int> [#uses=1]
100 %tmp74 = setgt int %tmp732, 0 ; <bool> [#uses=1]
101 br bool %tmp74, label %bb66, label %bb75
103 bb75: ; preds = %bb66
104 %tmp76 = load int* %qsz ; <int> [#uses=1]
105 %tmp70.sum = sub int %tmp76, %tmp67 ; <int> [#uses=1]
106 %tmp78 = getelementptr sbyte* %hi.3, int %tmp70.sum ; <sbyte*> [#uses=3]
107 %tmp81 = seteq sbyte* %tmp78, %tmp118 ; <bool> [#uses=1]
108 br bool %tmp81, label %bb115, label %cond_true82
110 cond_true82: ; preds = %bb75
111 %tmp83 = load int* %qsz ; <int> [#uses=1]
112 %tmp118.sum = add int %tmp116, %tmp83 ; <int> [#uses=1]
113 %tmp85 = getelementptr sbyte* %min.1, int %tmp118.sum ; <sbyte*> [#uses=1]
114 %tmp10937 = getelementptr sbyte* %tmp85, int -1 ; <sbyte*> [#uses=3]
115 %tmp11239 = setlt sbyte* %tmp10937, %tmp118 ; <bool> [#uses=1]
116 br bool %tmp11239, label %bb115, label %bb86
118 bb86: ; preds = %bb104, %cond_true82
119 %tmp109.0 = phi sbyte* [ %tmp10937, %cond_true82 ], [ %tmp109, %bb104 ] ; <sbyte*> [#uses=5]
120 %i.5.2 = phi sbyte* [ %i.5.3, %cond_true82 ], [ %i.5.1, %bb104 ] ; <sbyte*> [#uses=0]
121 %tmp100.2 = phi sbyte* [ %tmp100.3, %cond_true82 ], [ %tmp100.1, %bb104 ] ; <sbyte*> [#uses=0]
122 %tmp88 = load sbyte* %tmp109.0 ; <sbyte> [#uses=2]
123 %tmp9746 = load int* %qsz ; <int> [#uses=1]
124 %tmp9847 = sub int 0, %tmp9746 ; <int> [#uses=1]
125 %tmp10048 = getelementptr sbyte* %tmp109.0, int %tmp9847 ; <sbyte*> [#uses=3]
126 %tmp10350 = setlt sbyte* %tmp10048, %tmp78 ; <bool> [#uses=1]
127 br bool %tmp10350, label %bb104, label %bb91
129 bb91: ; preds = %bb91, %bb86
130 %i.5.0 = phi sbyte* [ %tmp109.0, %bb86 ], [ %tmp100.0, %bb91 ] ; <sbyte*> [#uses=1]
131 %tmp100.0 = phi sbyte* [ %tmp10048, %bb86 ], [ %tmp100, %bb91 ] ; <sbyte*> [#uses=4]
132 %tmp93 = load sbyte* %tmp100.0 ; <sbyte> [#uses=1]
133 store sbyte %tmp93, sbyte* %i.5.0
134 %tmp97 = load int* %qsz ; <int> [#uses=1]
135 %tmp98 = sub int 0, %tmp97 ; <int> [#uses=1]
136 %tmp100 = getelementptr sbyte* %tmp100.0, int %tmp98 ; <sbyte*> [#uses=3]
137 %tmp103 = setlt sbyte* %tmp100, %tmp78 ; <bool> [#uses=1]
138 br bool %tmp103, label %bb104, label %bb91
140 bb104: ; preds = %bb91, %bb86
141 %i.5.1 = phi sbyte* [ %tmp109.0, %bb86 ], [ %tmp100.0, %bb91 ] ; <sbyte*> [#uses=4]
142 %tmp100.1 = phi sbyte* [ %tmp10048, %bb86 ], [ %tmp100, %bb91 ] ; <sbyte*> [#uses=3]
143 store sbyte %tmp88, sbyte* %i.5.1
144 %tmp109 = getelementptr sbyte* %tmp109.0, int -1 ; <sbyte*> [#uses=3]
145 %tmp112 = setlt sbyte* %tmp109, %tmp118 ; <bool> [#uses=1]
146 br bool %tmp112, label %bb115, label %bb86
148 bb115: ; preds = %bb104, %cond_true82, %bb75, %bb46, %cond_true41, %bb37
149 %tmp109.1 = phi sbyte* [ undef, %bb37 ], [ %tmp109.1, %bb75 ], [ %tmp10937, %cond_true82 ], [ %tmp109, %bb104 ], [ undef, %bb46 ], [ undef, %cond_true41 ] ; <sbyte*> [#uses=1]
150 %i.5.3 = phi sbyte* [ undef, %bb37 ], [ %i.5.3, %bb75 ], [ %i.5.3, %cond_true82 ], [ %i.5.1, %bb104 ], [ undef, %bb46 ], [ undef, %cond_true41 ] ; <sbyte*> [#uses=3]
151 %tmp100.3 = phi sbyte* [ undef, %bb37 ], [ %tmp100.3, %bb75 ], [ %tmp100.3, %cond_true82 ], [ %tmp100.1, %bb104 ], [ undef, %bb46 ], [ undef, %cond_true41 ] ; <sbyte*> [#uses=3]
152 %min.1 = phi sbyte* [ %tmp118, %bb104 ], [ %tmp118, %bb75 ], [ %base, %bb37 ], [ %base, %bb46 ], [ %base, %cond_true41 ], [ %tmp118, %cond_true82 ] ; <sbyte*> [#uses=2]
153 %j.5 = phi sbyte* [ %tmp100.1, %bb104 ], [ %j.5, %bb75 ], [ %tmp52, %bb46 ], [ %j.1.1, %bb37 ], [ %j.1.1, %cond_true41 ], [ %j.5, %cond_true82 ] ; <sbyte*> [#uses=2]
154 %i.4 = phi sbyte* [ %i.5.1, %bb104 ], [ %i.4, %bb75 ], [ %tmp56, %bb46 ], [ undef, %bb37 ], [ %base, %cond_true41 ], [ %i.4, %cond_true82 ] ; <sbyte*> [#uses=2]
155 %c.4 = phi sbyte [ %tmp88, %bb104 ], [ %c.4, %bb75 ], [ %tmp, %bb46 ], [ undef, %bb37 ], [ undef, %cond_true41 ], [ %c.4, %cond_true82 ] ; <sbyte> [#uses=2]
156 %tmp116 = load int* %qsz ; <int> [#uses=2]
157 %tmp118 = getelementptr sbyte* %min.1, int %tmp116 ; <sbyte*> [#uses=9]
158 %tmp122 = setlt sbyte* %tmp118, %tmp9 ; <bool> [#uses=1]
159 br bool %tmp122, label %bb66, label %return
161 return: ; preds = %bb115, %entry
165 declare int %qste(sbyte*, sbyte*)
167 declare int %comparee(%struct.edgeBox*, %struct.edgeBox*)