1 ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
3 ; ModuleID = 'Separability.bc'
4 target 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-S128"
5 target triple = "x86_64-apple-macosx10.6.0"
8 ;; for (long int i = 0; i < 50; i++)
9 ;; for (long int j = 0; j < 50; j++)
10 ;; for (long int k = 0; k < 50; k++)
11 ;; for (long int l = 0; l < 50; l++)
12 ;; A[n][i][j + k] = ...
13 ;; ... = A[10][i + 10][2*j - l];
15 define void @sep0([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
17 br label %for.cond1.preheader
19 for.cond1.preheader: ; preds = %for.inc22, %entry
20 %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc22 ]
21 %i.07 = phi i64 [ 0, %entry ], [ %inc23, %for.inc22 ]
22 br label %for.cond4.preheader
24 for.cond4.preheader: ; preds = %for.inc19, %for.cond1.preheader
25 %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc19 ]
26 %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc20, %for.inc19 ]
27 br label %for.cond7.preheader
29 for.cond7.preheader: ; preds = %for.inc16, %for.cond4.preheader
30 %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc16 ]
31 %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc17, %for.inc16 ]
34 for.body9: ; preds = %for.body9, %for.cond7.preheader
35 %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
36 %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
37 %conv = trunc i64 %i.07 to i32
38 %add = add nsw i64 %j.05, %k.03
39 %idxprom = sext i32 %n to i64
40 %arrayidx11 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %idxprom, i64 %i.07, i64 %add
41 store i32 %conv, i32* %arrayidx11, align 4
42 %mul = shl nsw i64 %j.05, 1
43 %sub = sub nsw i64 %mul, %l.02
44 %add12 = add nsw i64 %i.07, 10
45 %arrayidx15 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 10, i64 %add12, i64 %sub
46 %0 = load i32* %arrayidx15, align 4
47 ; CHECK: da analyze - flow [-10 * * *]!
48 %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
49 store i32 %0, i32* %B.addr.31, align 4
50 %inc = add nsw i64 %l.02, 1
51 %cmp8 = icmp slt i64 %inc, 50
52 br i1 %cmp8, label %for.body9, label %for.inc16
54 for.inc16: ; preds = %for.body9
55 %inc17 = add nsw i64 %k.03, 1
56 %cmp5 = icmp slt i64 %inc17, 50
57 br i1 %cmp5, label %for.cond7.preheader, label %for.inc19
59 for.inc19: ; preds = %for.inc16
60 %inc20 = add nsw i64 %j.05, 1
61 %cmp2 = icmp slt i64 %inc20, 50
62 br i1 %cmp2, label %for.cond4.preheader, label %for.inc22
64 for.inc22: ; preds = %for.inc19
65 %inc23 = add nsw i64 %i.07, 1
66 %cmp = icmp slt i64 %inc23, 50
67 br i1 %cmp, label %for.cond1.preheader, label %for.end24
69 for.end24: ; preds = %for.inc22
74 ;; for (long int i = 0; i < 50; i++)
75 ;; for (long int j = 0; j < 50; j++)
76 ;; for (long int k = 0; k < 50; k++)
77 ;; for (long int l = 0; l < 50; l++)
78 ;; A[i][i][j + k] = ...
79 ;; ... = A[10][i + 10][2*j - l];
81 define void @sep1([100 x [100 x i32]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
83 br label %for.cond1.preheader
85 for.cond1.preheader: ; preds = %for.inc22, %entry
86 %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc22 ]
87 %i.07 = phi i64 [ 0, %entry ], [ %inc23, %for.inc22 ]
88 br label %for.cond4.preheader
90 for.cond4.preheader: ; preds = %for.inc19, %for.cond1.preheader
91 %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc19 ]
92 %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc20, %for.inc19 ]
93 br label %for.cond7.preheader
95 for.cond7.preheader: ; preds = %for.inc16, %for.cond4.preheader
96 %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc16 ]
97 %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc17, %for.inc16 ]
100 for.body9: ; preds = %for.body9, %for.cond7.preheader
101 %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
102 %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
103 %conv = trunc i64 %i.07 to i32
104 %add = add nsw i64 %j.05, %k.03
105 %arrayidx11 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 %i.07, i64 %i.07, i64 %add
106 store i32 %conv, i32* %arrayidx11, align 4
107 %mul = shl nsw i64 %j.05, 1
108 %sub = sub nsw i64 %mul, %l.02
109 %add12 = add nsw i64 %i.07, 10
110 %arrayidx15 = getelementptr inbounds [100 x [100 x i32]]* %A, i64 10, i64 %add12, i64 %sub
111 %0 = load i32* %arrayidx15, align 4
112 ; CHECK: da analyze - flow [> * * *]!
113 %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
114 store i32 %0, i32* %B.addr.31, align 4
115 %inc = add nsw i64 %l.02, 1
116 %cmp8 = icmp slt i64 %inc, 50
117 br i1 %cmp8, label %for.body9, label %for.inc16
119 for.inc16: ; preds = %for.body9
120 %inc17 = add nsw i64 %k.03, 1
121 %cmp5 = icmp slt i64 %inc17, 50
122 br i1 %cmp5, label %for.cond7.preheader, label %for.inc19
124 for.inc19: ; preds = %for.inc16
125 %inc20 = add nsw i64 %j.05, 1
126 %cmp2 = icmp slt i64 %inc20, 50
127 br i1 %cmp2, label %for.cond4.preheader, label %for.inc22
129 for.inc22: ; preds = %for.inc19
130 %inc23 = add nsw i64 %i.07, 1
131 %cmp = icmp slt i64 %inc23, 50
132 br i1 %cmp, label %for.cond1.preheader, label %for.end24
134 for.end24: ; preds = %for.inc22
139 ;; for (long int i = 0; i < 50; i++)
140 ;; for (long int j = 0; j < 50; j++)
141 ;; for (long int k = 0; k < 50; k++)
142 ;; for (long int l = 0; l < 50; l++)
143 ;; A[i][i][i + k][l] = ...
144 ;; ... = A[10][i + 10][j + k][l + 10];
146 define void @sep2([100 x [100 x [100 x i32]]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
148 br label %for.cond1.preheader
150 for.cond1.preheader: ; preds = %for.inc26, %entry
151 %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc26 ]
152 %i.07 = phi i64 [ 0, %entry ], [ %inc27, %for.inc26 ]
153 br label %for.cond4.preheader
155 for.cond4.preheader: ; preds = %for.inc23, %for.cond1.preheader
156 %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc23 ]
157 %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc24, %for.inc23 ]
158 br label %for.cond7.preheader
160 for.cond7.preheader: ; preds = %for.inc20, %for.cond4.preheader
161 %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc20 ]
162 %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc21, %for.inc20 ]
165 for.body9: ; preds = %for.body9, %for.cond7.preheader
166 %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
167 %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
168 %conv = trunc i64 %i.07 to i32
169 %add = add nsw i64 %i.07, %k.03
170 %arrayidx12 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 %i.07, i64 %i.07, i64 %add, i64 %l.02
171 store i32 %conv, i32* %arrayidx12, align 4
172 %add13 = add nsw i64 %l.02, 10
173 %add14 = add nsw i64 %j.05, %k.03
174 %add15 = add nsw i64 %i.07, 10
175 %arrayidx19 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 10, i64 %add15, i64 %add14, i64 %add13
176 %0 = load i32* %arrayidx19, align 4
177 ; CHECK: da analyze - flow [> * * -10]!
178 %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
179 store i32 %0, i32* %B.addr.31, align 4
180 %inc = add nsw i64 %l.02, 1
181 %cmp8 = icmp slt i64 %inc, 50
182 br i1 %cmp8, label %for.body9, label %for.inc20
184 for.inc20: ; preds = %for.body9
185 %inc21 = add nsw i64 %k.03, 1
186 %cmp5 = icmp slt i64 %inc21, 50
187 br i1 %cmp5, label %for.cond7.preheader, label %for.inc23
189 for.inc23: ; preds = %for.inc20
190 %inc24 = add nsw i64 %j.05, 1
191 %cmp2 = icmp slt i64 %inc24, 50
192 br i1 %cmp2, label %for.cond4.preheader, label %for.inc26
194 for.inc26: ; preds = %for.inc23
195 %inc27 = add nsw i64 %i.07, 1
196 %cmp = icmp slt i64 %inc27, 50
197 br i1 %cmp, label %for.cond1.preheader, label %for.end28
199 for.end28: ; preds = %for.inc26
204 ;; for (long int i = 0; i < 50; i++)
205 ;; for (long int j = 0; j < 50; j++)
206 ;; for (long int k = 0; k < 50; k++)
207 ;; for (long int l = 0; l < 50; l++)
208 ;; A[i][i][i + k][l + k] = ...
209 ;; ... = A[10][i + 10][j + k][l + 10];
211 define void @sep3([100 x [100 x [100 x i32]]]* %A, i32* %B, i32 %n) nounwind uwtable ssp {
213 br label %for.cond1.preheader
215 for.cond1.preheader: ; preds = %for.inc27, %entry
216 %B.addr.08 = phi i32* [ %B, %entry ], [ %incdec.ptr, %for.inc27 ]
217 %i.07 = phi i64 [ 0, %entry ], [ %inc28, %for.inc27 ]
218 br label %for.cond4.preheader
220 for.cond4.preheader: ; preds = %for.inc24, %for.cond1.preheader
221 %B.addr.16 = phi i32* [ %B.addr.08, %for.cond1.preheader ], [ %incdec.ptr, %for.inc24 ]
222 %j.05 = phi i64 [ 0, %for.cond1.preheader ], [ %inc25, %for.inc24 ]
223 br label %for.cond7.preheader
225 for.cond7.preheader: ; preds = %for.inc21, %for.cond4.preheader
226 %B.addr.24 = phi i32* [ %B.addr.16, %for.cond4.preheader ], [ %incdec.ptr, %for.inc21 ]
227 %k.03 = phi i64 [ 0, %for.cond4.preheader ], [ %inc22, %for.inc21 ]
230 for.body9: ; preds = %for.body9, %for.cond7.preheader
231 %l.02 = phi i64 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
232 %B.addr.31 = phi i32* [ %B.addr.24, %for.cond7.preheader ], [ %incdec.ptr, %for.body9 ]
233 %conv = trunc i64 %i.07 to i32
234 %add = add nsw i64 %l.02, %k.03
235 %add10 = add nsw i64 %i.07, %k.03
236 %arrayidx13 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 %i.07, i64 %i.07, i64 %add10, i64 %add
237 store i32 %conv, i32* %arrayidx13, align 4
238 %add14 = add nsw i64 %l.02, 10
239 %add15 = add nsw i64 %j.05, %k.03
240 %add16 = add nsw i64 %i.07, 10
241 %arrayidx20 = getelementptr inbounds [100 x [100 x [100 x i32]]]* %A, i64 10, i64 %add16, i64 %add15, i64 %add14
242 %0 = load i32* %arrayidx20, align 4
243 ; CHECK: da analyze - flow [> * * *]!
244 %incdec.ptr = getelementptr inbounds i32* %B.addr.31, i64 1
245 store i32 %0, i32* %B.addr.31, align 4
246 %inc = add nsw i64 %l.02, 1
247 %cmp8 = icmp slt i64 %inc, 50
248 br i1 %cmp8, label %for.body9, label %for.inc21
250 for.inc21: ; preds = %for.body9
251 %inc22 = add nsw i64 %k.03, 1
252 %cmp5 = icmp slt i64 %inc22, 50
253 br i1 %cmp5, label %for.cond7.preheader, label %for.inc24
255 for.inc24: ; preds = %for.inc21
256 %inc25 = add nsw i64 %j.05, 1
257 %cmp2 = icmp slt i64 %inc25, 50
258 br i1 %cmp2, label %for.cond4.preheader, label %for.inc27
260 for.inc27: ; preds = %for.inc24
261 %inc28 = add nsw i64 %i.07, 1
262 %cmp = icmp slt i64 %inc28, 50
263 br i1 %cmp, label %for.cond1.preheader, label %for.end29
265 for.end29: ; preds = %for.inc27