1 ; RUN: opt < %s -analyze -basicaa -da | FileCheck %s
3 ; ModuleID = 'SymbolicRDIV.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 < n1; i++)
10 ;; for (long int j = 0; j < n2; j++)
11 ;; *B++ = A[3*j + 3*n1];
13 define void @symbolicrdiv0(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
15 %cmp4 = icmp eq i64 %n1, 0
16 br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader
18 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv0'
19 ; CHECK: da analyze - none!
20 ; CHECK: da analyze - none!
21 ; CHECK: da analyze - confused!
22 ; CHECK: da analyze - none!
23 ; CHECK: da analyze - confused!
24 ; CHECK: da analyze - none!
26 for.body.preheader: ; preds = %entry
29 for.cond1.preheader.loopexit: ; preds = %for.body
30 br label %for.cond1.preheader
32 for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry
33 %cmp21 = icmp eq i64 %n2, 0
34 br i1 %cmp21, label %for.end11, label %for.body4.preheader
36 for.body4.preheader: ; preds = %for.cond1.preheader
39 for.body: ; preds = %for.body.preheader, %for.body
40 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
41 %conv = trunc i64 %i.05 to i32
42 %mul = shl nsw i64 %i.05, 1
43 %add = add i64 %mul, %n1
44 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
45 store i32 %conv, i32* %arrayidx, align 4
46 %inc = add nsw i64 %i.05, 1
47 %exitcond = icmp ne i64 %inc, %n1
48 br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit
50 for.body4: ; preds = %for.body4.preheader, %for.body4
51 %j.03 = phi i64 [ %inc10, %for.body4 ], [ 0, %for.body4.preheader ]
52 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
53 %mul56 = add i64 %j.03, %n1
54 %add7 = mul i64 %mul56, 3
55 %arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %add7
56 %0 = load i32* %arrayidx8, align 4
57 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
58 store i32 %0, i32* %B.addr.02, align 4
59 %inc10 = add nsw i64 %j.03, 1
60 %exitcond7 = icmp ne i64 %inc10, %n2
61 br i1 %exitcond7, label %for.body4, label %for.end11.loopexit
63 for.end11.loopexit: ; preds = %for.body4
66 for.end11: ; preds = %for.end11.loopexit, %for.cond1.preheader
71 ;; for (long int i = 0; i < n1; i++)
73 ;; for (long int j = 0; j < n2; j++)
74 ;; *B++ = A[3*j + 2*n2];
76 define void @symbolicrdiv1(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
78 %cmp4 = icmp eq i64 %n1, 0
79 br i1 %cmp4, label %for.cond2.preheader, label %for.body.preheader
81 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv1'
82 ; CHECK: da analyze - none!
83 ; CHECK: da analyze - none!
84 ; CHECK: da analyze - confused!
85 ; CHECK: da analyze - none!
86 ; CHECK: da analyze - confused!
87 ; CHECK: da analyze - none!
89 for.body.preheader: ; preds = %entry
92 for.cond2.preheader.loopexit: ; preds = %for.body
93 br label %for.cond2.preheader
95 for.cond2.preheader: ; preds = %for.cond2.preheader.loopexit, %entry
96 %cmp31 = icmp eq i64 %n2, 0
97 br i1 %cmp31, label %for.end12, label %for.body5.preheader
99 for.body5.preheader: ; preds = %for.cond2.preheader
102 for.body: ; preds = %for.body.preheader, %for.body
103 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
104 %conv = trunc i64 %i.05 to i32
105 %mul = shl nsw i64 %i.05, 1
106 %mul1 = mul i64 %n2, 5
107 %add = add i64 %mul, %mul1
108 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
109 store i32 %conv, i32* %arrayidx, align 4
110 %inc = add nsw i64 %i.05, 1
111 %exitcond = icmp ne i64 %inc, %n1
112 br i1 %exitcond, label %for.body, label %for.cond2.preheader.loopexit
114 for.body5: ; preds = %for.body5.preheader, %for.body5
115 %j.03 = phi i64 [ %inc11, %for.body5 ], [ 0, %for.body5.preheader ]
116 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body5 ], [ %B, %for.body5.preheader ]
117 %mul6 = mul nsw i64 %j.03, 3
118 %mul7 = shl i64 %n2, 1
119 %add8 = add i64 %mul6, %mul7
120 %arrayidx9 = getelementptr inbounds i32, i32* %A, i64 %add8
121 %0 = load i32* %arrayidx9, align 4
122 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
123 store i32 %0, i32* %B.addr.02, align 4
124 %inc11 = add nsw i64 %j.03, 1
125 %exitcond6 = icmp ne i64 %inc11, %n2
126 br i1 %exitcond6, label %for.body5, label %for.end12.loopexit
128 for.end12.loopexit: ; preds = %for.body5
131 for.end12: ; preds = %for.end12.loopexit, %for.cond2.preheader
136 ;; for (long int i = 0; i < n1; i++)
138 ;; for (long int j = 0; j < n2; j++)
139 ;; *B++ = A[-j + 2*n1];
141 define void @symbolicrdiv2(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
143 %cmp4 = icmp eq i64 %n1, 0
144 br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader
146 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv2'
147 ; CHECK: da analyze - none!
148 ; CHECK: da analyze - none!
149 ; CHECK: da analyze - confused!
150 ; CHECK: da analyze - none!
151 ; CHECK: da analyze - confused!
152 ; CHECK: da analyze - none!
154 for.body.preheader: ; preds = %entry
157 for.cond1.preheader.loopexit: ; preds = %for.body
158 br label %for.cond1.preheader
160 for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry
161 %cmp21 = icmp eq i64 %n2, 0
162 br i1 %cmp21, label %for.end10, label %for.body4.preheader
164 for.body4.preheader: ; preds = %for.cond1.preheader
167 for.body: ; preds = %for.body.preheader, %for.body
168 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
169 %conv = trunc i64 %i.05 to i32
170 %mul = shl nsw i64 %i.05, 1
171 %sub = sub i64 %mul, %n2
172 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %sub
173 store i32 %conv, i32* %arrayidx, align 4
174 %inc = add nsw i64 %i.05, 1
175 %exitcond = icmp ne i64 %inc, %n1
176 br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit
178 for.body4: ; preds = %for.body4.preheader, %for.body4
179 %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ]
180 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
181 %mul6 = shl i64 %n1, 1
182 %add = sub i64 %mul6, %j.03
183 %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add
184 %0 = load i32* %arrayidx7, align 4
185 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
186 store i32 %0, i32* %B.addr.02, align 4
187 %inc9 = add nsw i64 %j.03, 1
188 %exitcond6 = icmp ne i64 %inc9, %n2
189 br i1 %exitcond6, label %for.body4, label %for.end10.loopexit
191 for.end10.loopexit: ; preds = %for.body4
194 for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader
199 ;; for (long int i = 0; i < n1; i++)
201 ;; for (long int j = 0; j < n2; j++)
204 define void @symbolicrdiv3(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
206 %cmp4 = icmp eq i64 %n1, 0
207 br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader
209 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv3'
210 ; CHECK: da analyze - none!
211 ; CHECK: da analyze - none!
212 ; CHECK: da analyze - confused!
213 ; CHECK: da analyze - none!
214 ; CHECK: da analyze - confused!
215 ; CHECK: da analyze - none!
217 for.body.preheader: ; preds = %entry
220 for.cond1.preheader.loopexit: ; preds = %for.body
221 br label %for.cond1.preheader
223 for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry
224 %cmp21 = icmp eq i64 %n2, 0
225 br i1 %cmp21, label %for.end9, label %for.body4.preheader
227 for.body4.preheader: ; preds = %for.cond1.preheader
230 for.body: ; preds = %for.body.preheader, %for.body
231 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
232 %conv = trunc i64 %i.05 to i32
233 %add = sub i64 %n2, %i.05
234 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
235 store i32 %conv, i32* %arrayidx, align 4
236 %inc = add nsw i64 %i.05, 1
237 %exitcond = icmp ne i64 %inc, %n1
238 br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit
240 for.body4: ; preds = %for.body4.preheader, %for.body4
241 %j.03 = phi i64 [ %inc8, %for.body4 ], [ 0, %for.body4.preheader ]
242 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
243 %sub5 = sub i64 %j.03, %n1
244 %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 %sub5
245 %0 = load i32* %arrayidx6, align 4
246 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
247 store i32 %0, i32* %B.addr.02, align 4
248 %inc8 = add nsw i64 %j.03, 1
249 %exitcond6 = icmp ne i64 %inc8, %n2
250 br i1 %exitcond6, label %for.body4, label %for.end9.loopexit
252 for.end9.loopexit: ; preds = %for.body4
255 for.end9: ; preds = %for.end9.loopexit, %for.cond1.preheader
260 ;; for (long int i = 0; i < n1; i++)
262 ;; for (long int j = 0; j < n2; j++)
263 ;; *B++ = A[-j + n1];
265 define void @symbolicrdiv4(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
267 %cmp4 = icmp eq i64 %n1, 0
268 br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader
270 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv4'
271 ; CHECK: da analyze - none!
272 ; CHECK: da analyze - none!
273 ; CHECK: da analyze - confused!
274 ; CHECK: da analyze - none!
275 ; CHECK: da analyze - confused!
276 ; CHECK: da analyze - none!
278 for.body.preheader: ; preds = %entry
281 for.cond1.preheader.loopexit: ; preds = %for.body
282 br label %for.cond1.preheader
284 for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry
285 %cmp21 = icmp eq i64 %n2, 0
286 br i1 %cmp21, label %for.end10, label %for.body4.preheader
288 for.body4.preheader: ; preds = %for.cond1.preheader
291 for.body: ; preds = %for.body.preheader, %for.body
292 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
293 %conv = trunc i64 %i.05 to i32
294 %mul = shl i64 %n1, 1
295 %add = sub i64 %mul, %i.05
296 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
297 store i32 %conv, i32* %arrayidx, align 4
298 %inc = add nsw i64 %i.05, 1
299 %exitcond = icmp ne i64 %inc, %n1
300 br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit
302 for.body4: ; preds = %for.body4.preheader, %for.body4
303 %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ]
304 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
305 %add6 = sub i64 %n1, %j.03
306 %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add6
307 %0 = load i32* %arrayidx7, align 4
308 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
309 store i32 %0, i32* %B.addr.02, align 4
310 %inc9 = add nsw i64 %j.03, 1
311 %exitcond6 = icmp ne i64 %inc9, %n2
312 br i1 %exitcond6, label %for.body4, label %for.end10.loopexit
314 for.end10.loopexit: ; preds = %for.body4
317 for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader
322 ;; for (long int i = 0; i < n1; i++)
324 ;; for (long int j = 0; j < n2; j++)
325 ;; *B++ = A[-j + 2*n2];
327 define void @symbolicrdiv5(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
329 %cmp4 = icmp eq i64 %n1, 0
330 br i1 %cmp4, label %for.cond1.preheader, label %for.body.preheader
332 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv5'
333 ; CHECK: da analyze - none!
334 ; CHECK: da analyze - none!
335 ; CHECK: da analyze - confused!
336 ; CHECK: da analyze - none!
337 ; CHECK: da analyze - confused!
338 ; CHECK: da analyze - none!
340 for.body.preheader: ; preds = %entry
343 for.cond1.preheader.loopexit: ; preds = %for.body
344 br label %for.cond1.preheader
346 for.cond1.preheader: ; preds = %for.cond1.preheader.loopexit, %entry
347 %cmp21 = icmp eq i64 %n2, 0
348 br i1 %cmp21, label %for.end10, label %for.body4.preheader
350 for.body4.preheader: ; preds = %for.cond1.preheader
353 for.body: ; preds = %for.body.preheader, %for.body
354 %i.05 = phi i64 [ %inc, %for.body ], [ 0, %for.body.preheader ]
355 %conv = trunc i64 %i.05 to i32
356 %add = sub i64 %n2, %i.05
357 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
358 store i32 %conv, i32* %arrayidx, align 4
359 %inc = add nsw i64 %i.05, 1
360 %exitcond = icmp ne i64 %inc, %n1
361 br i1 %exitcond, label %for.body, label %for.cond1.preheader.loopexit
363 for.body4: ; preds = %for.body4.preheader, %for.body4
364 %j.03 = phi i64 [ %inc9, %for.body4 ], [ 0, %for.body4.preheader ]
365 %B.addr.02 = phi i32* [ %incdec.ptr, %for.body4 ], [ %B, %for.body4.preheader ]
366 %mul = shl i64 %n2, 1
367 %add6 = sub i64 %mul, %j.03
368 %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %add6
369 %0 = load i32* %arrayidx7, align 4
370 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.02, i64 1
371 store i32 %0, i32* %B.addr.02, align 4
372 %inc9 = add nsw i64 %j.03, 1
373 %exitcond6 = icmp ne i64 %inc9, %n2
374 br i1 %exitcond6, label %for.body4, label %for.end10.loopexit
376 for.end10.loopexit: ; preds = %for.body4
379 for.end10: ; preds = %for.end10.loopexit, %for.cond1.preheader
384 ;; for (long int i = 0; i < n1; i++)
385 ;; for (long int j = 0; j < n2; j++) {
389 define void @symbolicrdiv6(i32* %A, i32* %B, i64 %n1, i64 %n2) nounwind uwtable ssp {
391 %cmp4 = icmp eq i64 %n1, 0
392 br i1 %cmp4, label %for.end7, label %for.cond1.preheader.preheader
394 ; CHECK: 'Dependence Analysis' for function 'symbolicrdiv6'
395 ; CHECK: da analyze - output [* *]!
396 ; CHECK: da analyze - none!
397 ; CHECK: da analyze - confused!
398 ; CHECK: da analyze - consistent input [S S]!
399 ; CHECK: da analyze - confused!
400 ; CHECK: da analyze - output [* *]!
402 for.cond1.preheader.preheader: ; preds = %entry
403 br label %for.cond1.preheader
405 for.cond1.preheader: ; preds = %for.cond1.preheader.preheader, %for.inc5
406 %B.addr.06 = phi i32* [ %B.addr.1.lcssa, %for.inc5 ], [ %B, %for.cond1.preheader.preheader ]
407 %i.05 = phi i64 [ %inc6, %for.inc5 ], [ 0, %for.cond1.preheader.preheader ]
408 %cmp21 = icmp eq i64 %n2, 0
409 br i1 %cmp21, label %for.inc5, label %for.body3.preheader
411 for.body3.preheader: ; preds = %for.cond1.preheader
414 for.body3: ; preds = %for.body3.preheader, %for.body3
415 %j.03 = phi i64 [ %inc, %for.body3 ], [ 0, %for.body3.preheader ]
416 %B.addr.12 = phi i32* [ %incdec.ptr, %for.body3 ], [ %B.addr.06, %for.body3.preheader ]
417 %conv = trunc i64 %i.05 to i32
418 %sub = sub nsw i64 %j.03, %i.05
419 %add = add i64 %sub, %n2
420 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %add
421 store i32 %conv, i32* %arrayidx, align 4
422 %mul = shl i64 %n2, 1
423 %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %mul
424 %0 = load i32* %arrayidx4, align 4
425 %incdec.ptr = getelementptr inbounds i32, i32* %B.addr.12, i64 1
426 store i32 %0, i32* %B.addr.12, align 4
427 %inc = add nsw i64 %j.03, 1
428 %exitcond = icmp ne i64 %inc, %n2
429 br i1 %exitcond, label %for.body3, label %for.inc5.loopexit
431 for.inc5.loopexit: ; preds = %for.body3
432 %scevgep = getelementptr i32, i32* %B.addr.06, i64 %n2
435 for.inc5: ; preds = %for.inc5.loopexit, %for.cond1.preheader
436 %B.addr.1.lcssa = phi i32* [ %B.addr.06, %for.cond1.preheader ], [ %scevgep, %for.inc5.loopexit ]
437 %inc6 = add nsw i64 %i.05, 1
438 %exitcond7 = icmp ne i64 %inc6, %n1
439 br i1 %exitcond7, label %for.cond1.preheader, label %for.end7.loopexit
441 for.end7.loopexit: ; preds = %for.inc5
444 for.end7: ; preds = %for.end7.loopexit, %entry