1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
|
; RUN: opt < %s -jump-threading -disable-output
; PR2285
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"
target triple = "x86_64-unknown-linux-gnu"
%struct.system__secondary_stack__mark_id = type { i64, i64 }
define void @_ada_c35507b() {
entry:
br label %bb
bb: ; preds = %bb13, %entry
%ch.0 = phi i8 [ 0, %entry ], [ 0, %bb13 ] ; <i8> [#uses=1]
%tmp11 = icmp ugt i8 %ch.0, 31 ; <i1> [#uses=1]
%tmp120 = call %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark( ) ; <%struct.system__secondary_stack__mark_id> [#uses=1]
br i1 %tmp11, label %bb110, label %bb13
bb13: ; preds = %bb
br label %bb
bb110: ; preds = %bb
%mrv_gr124 = getresult %struct.system__secondary_stack__mark_id %tmp120, 1 ; <i64> [#uses=0]
unreachable
}
declare %struct.system__secondary_stack__mark_id @system__secondary_stack__ss_mark()
define fastcc void @findratio(double* nocapture %res1, double* nocapture %res2) nounwind ssp {
entry:
br label %bb12
bb6.us:
%tmp = icmp eq i32 undef, undef
%tmp1 = fsub double undef, undef
%tmp2 = fcmp ult double %tmp1, 0.000000e+00
br i1 %tmp, label %bb6.us, label %bb13
bb12:
%tmp3 = fcmp ult double undef, 0.000000e+00
br label %bb13
bb13:
%.lcssa31 = phi double [ undef, %bb12 ], [ %tmp1, %bb6.us ]
%.lcssa30 = phi i1 [ %tmp3, %bb12 ], [ %tmp2, %bb6.us ]
br i1 %.lcssa30, label %bb15, label %bb61
bb15:
%tmp4 = fsub double -0.000000e+00, %.lcssa31
ret void
bb61:
ret void
}
; PR5258
define i32 @test(i1 %cond, i1 %cond2, i32 %a) {
A:
br i1 %cond, label %F, label %A1
F:
br label %A1
A1:
%d = phi i1 [false, %A], [true, %F]
%e = add i32 %a, %a
br i1 %d, label %B, label %G
G:
br i1 %cond2, label %B, label %D
B:
%f = phi i32 [%e, %G], [%e, %A1]
%b = add i32 0, 0
switch i32 %a, label %C [
i32 7, label %D
i32 8, label %D
i32 9, label %D
]
C:
br label %D
D:
%c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G]
ret i32 %c
E:
ret i32 412
}
define i32 @test2() nounwind {
entry:
br i1 true, label %decDivideOp.exit, label %bb7.i
bb7.i: ; preds = %bb7.i, %entry
br label %bb7.i
decDivideOp.exit: ; preds = %entry
ret i32 undef
}
; PR3298
define i32 @test3(i32 %p_79, i32 %p_80) nounwind {
entry:
br label %bb7
bb1: ; preds = %bb2
br label %bb2
bb2: ; preds = %bb7, %bb1
%l_82.0 = phi i8 [ 0, %bb1 ], [ %l_82.1, %bb7 ] ; <i8> [#uses=3]
br i1 true, label %bb3, label %bb1
bb3: ; preds = %bb2
%0 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %0, label %bb7, label %bb6
bb5: ; preds = %bb6
%1 = icmp eq i8 %l_82.0, 0 ; <i1> [#uses=1]
br i1 %1, label %bb1.i, label %bb.i
bb.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
bb1.i: ; preds = %bb5
br label %safe_div_func_char_s_s.exit
safe_div_func_char_s_s.exit: ; preds = %bb1.i, %bb.i
br label %bb6
bb6: ; preds = %safe_div_func_char_s_s.exit, %bb3
%p_80_addr.0 = phi i32 [ %p_80_addr.1, %bb3 ], [ 1, %safe_div_func_char_s_s.exit ] ; <i32> [#uses=2]
%2 = icmp eq i32 %p_80_addr.0, 0 ; <i1> [#uses=1]
br i1 %2, label %bb7, label %bb5
bb7: ; preds = %bb6, %bb3, %entry
%l_82.1 = phi i8 [ 1, %entry ], [ %l_82.0, %bb3 ], [ %l_82.0, %bb6 ] ; <i8> [#uses=2]
%p_80_addr.1 = phi i32 [ 0, %entry ], [ %p_80_addr.1, %bb3 ], [ %p_80_addr.0, %bb6 ] ; <i32> [#uses=4]
%3 = icmp eq i32 %p_80_addr.1, 0 ; <i1> [#uses=1]
br i1 %3, label %bb8, label %bb2
bb8: ; preds = %bb7
%4 = sext i8 %l_82.1 to i32 ; <i32> [#uses=0]
ret i32 0
}
; PR3353
define i32 @test4(i8 %X) {
entry:
%Y = add i8 %X, 1
%Z = add i8 %Y, 1
br label %bb33.i
bb33.i: ; preds = %bb33.i, %bb32.i
switch i8 %Y, label %bb32.i [
i8 39, label %bb35.split.i
i8 13, label %bb33.i
]
bb35.split.i:
ret i32 5
bb32.i:
ret i32 1
}
define fastcc void @test5(i1 %tmp, i32 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb13
bb12:
br label %bb13
bb13:
%.lcssa31 = phi i32 [ undef, %bb12 ], [ %tmp1, %entry ]
%A = and i1 undef, undef
br i1 %A, label %bb15, label %bb61
bb15:
ret void
bb61:
ret void
}
; PR5640
define fastcc void @test6(i1 %tmp, i1 %tmp1) nounwind ssp {
entry:
br i1 %tmp, label %bb12, label %bb14
bb12:
br label %bb14
bb14:
%A = phi i1 [ %A, %bb13 ], [ true, %bb12 ], [%tmp1, %entry]
br label %bb13
bb13:
br i1 %A, label %bb14, label %bb61
bb61:
ret void
}
; PR5698
define void @test7(i32 %x) {
tailrecurse:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %bb
]
bb:
switch i32 %x, label %return [
i32 2, label %bb2
i32 3, label %tailrecurse
]
bb2:
ret void
return:
ret void
}
; PR6119
define i32 @test8(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%cmp103 = xor i1 undef, undef ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test9(i32 %action) nounwind {
entry:
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ undef, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 undef, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6119
define i32 @test10(i32 %action, i32 %type) nounwind {
entry:
%cmp2 = icmp eq i32 %type, 0 ; <i1> [#uses=1]
switch i32 %action, label %lor.rhs [
i32 1, label %if.then
i32 0, label %lor.end
]
if.then: ; preds = %for.cond, %lor.end, %entry
ret i32 undef
lor.rhs: ; preds = %entry
%cmp101 = icmp eq i32 %action, 2 ; <i1> [#uses=1]
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%0 = phi i1 [ %cmp101, %lor.rhs ], [ true, %entry ] ; <i1> [#uses=1]
%cmp103 = xor i1 %cmp2, %0 ; <i1> [#uses=1]
br i1 %cmp103, label %for.cond, label %if.then
for.cond: ; preds = %for.body, %lor.end
br i1 undef, label %if.then, label %for.body
for.body: ; preds = %for.cond
br label %for.cond
}
; PR6305
define void @test11() nounwind {
entry:
br label %A
A: ; preds = %entry
call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind
unreachable
}
; PR6743
define void @test12() nounwind ssp {
entry:
br label %lbl_51
lbl_51: ; preds = %if.then, %entry
%tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; <i1> [#uses=2]
br i1 %tmp3, label %if.end12, label %if.then
if.then: ; preds = %lbl_51
br i1 %tmp3, label %lbl_51, label %if.end12
if.end12: ; preds = %if.then, %lbl_51
ret void
}
|
