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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=constraint-elimination -S %s | FileCheck %s
declare void @use(i1)
define void @test_unsigned_too_large(i128 %x) {
; CHECK-LABEL: @test_unsigned_too_large(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp ule i128 [[X:%.*]], 12345678901234123123123
; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp uge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp uge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
entry:
%c.1 = icmp ule i128 %x, 12345678901234123123123
br i1 %c.1, label %bb1, label %bb2
bb1:
%c.2 = icmp ult i128 %x, -12345678901234123123123
call void @use(i1 %c.2)
%c.3 = icmp uge i128 %x, -12345678901234123123123
call void @use(i1 %c.3)
%c.4 = icmp uge i128 %x, -12345678901234123123123
call void @use(i1 %c.4)
ret void
bb2:
ret void
}
define void @test_signed_too_large(i128 %x) {
; CHECK-LABEL: @test_signed_too_large(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp sle i128 [[X:%.*]], 12345678901234123123123
; CHECK-NEXT: br i1 [[C_1]], label [[BB1:%.*]], label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: [[C_2:%.*]] = icmp slt i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp sge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp sge i128 [[X]], -12345678901234123123123
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
entry:
%c.1 = icmp sle i128 %x, 12345678901234123123123
br i1 %c.1, label %bb1, label %bb2
bb1:
%c.2 = icmp slt i128 %x, -12345678901234123123123
call void @use(i1 %c.2)
%c.3 = icmp sge i128 %x, -12345678901234123123123
call void @use(i1 %c.3)
%c.4 = icmp sge i128 %x, -12345678901234123123123
call void @use(i1 %c.4)
ret void
bb2:
ret void
}
define i1 @add_decomp_i80(i80 %a) {
; CHECK-LABEL: @add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[A:%.*]], -1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp ult i80 [[ADD]], 1346612317380797267967
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[A]], -1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i80 [[ADD_1]], 1346612317380797267967
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %a, -1973801615886922022913
%c = icmp ult i80 %add, 1346612317380797267967
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %a, -1973801615886922022913
%c.1 = icmp ult i80 %add.1, 1346612317380797267967
ret i1 %c.1
else:
ret i1 false
}
define i1 @sub_decomp_i80(i80 %a) {
; CHECK-LABEL: @sub_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SUB:%.*]] = sub nuw i80 [[A:%.*]], 1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp ult i80 [[SUB]], 1346612317380797267967
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SUB_1:%.*]] = sub nuw i80 [[A]], 1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp ult i80 [[SUB_1]], 1346612317380797267967
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%sub = sub nuw i80 %a, 1973801615886922022913
%c = icmp ult i80 %sub, 1346612317380797267967
br i1 %c, label %then, label %else
then:
%sub.1 = sub nuw i80 %a, 1973801615886922022913
%c.1 = icmp ult i80 %sub.1, 1346612317380797267967
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_decomp_i80(i8* %a) {
; CHECK-LABEL: @gep_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 1973801615886922022913
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 1973801615886922022913
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%gep = getelementptr inbounds i8, i8* %a, i80 1973801615886922022913
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%gep.1 = getelementptr inbounds i8, i8* %a, i80 1973801615886922022913
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_zext_shl_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_zext_shl_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SHL:%.*]] = shl nuw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[EXT:%.*]] = zext i80 [[SHL]] to i128
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i128 [[EXT]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SHL_1:%.*]] = shl nuw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[EXT_1:%.*]] = zext i80 [[SHL_1]] to i128
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i128 [[EXT_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%shl = shl nuw i80 %v, 1973801615886922022913
%ext = zext i80 %shl to i128
%gep = getelementptr inbounds i8, i8* %a, i128 %ext
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%shl.1 = shl nuw i80 %v, 1973801615886922022913
%ext.1 = zext i80 %shl.1 to i128
%gep.1 = getelementptr inbounds i8, i8* %a, i128 %ext.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_zext_add_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_zext_add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[EXT:%.*]] = zext i80 [[ADD]] to i128
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i128 [[EXT]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[EXT_1:%.*]] = zext i80 [[ADD_1]] to i128
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i128 [[EXT_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %v, 1973801615886922022913
%ext = zext i80 %add to i128
%gep = getelementptr inbounds i8, i8* %a, i128 %ext
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %v, 1973801615886922022913
%ext.1 = zext i80 %add.1 to i128
%gep.1 = getelementptr inbounds i8, i8* %a, i128 %ext.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_shl_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_shl_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SHL:%.*]] = shl nuw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 [[SHL]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[SHL_1:%.*]] = shl nuw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 [[SHL_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%shl = shl nuw i80 %v, 1973801615886922022913
%gep = getelementptr inbounds i8, i8* %a, i80 %shl
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%shl.1 = shl nuw i80 %v, 1973801615886922022913
%gep.1 = getelementptr inbounds i8, i8* %a, i80 %shl.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
define i1 @gep_add_decomp_i80(i8* %a, i80 %v) {
; CHECK-LABEL: @gep_add_decomp_i80(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add nsw i80 [[V:%.*]], 1973801615886922022913
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i80 [[ADD]]
; CHECK-NEXT: [[C:%.*]] = icmp eq i8* [[GEP]], null
; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[ELSE:%.*]]
; CHECK: then:
; CHECK-NEXT: [[ADD_1:%.*]] = add nsw i80 [[V]], 1973801615886922022913
; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i8, i8* [[A]], i80 [[ADD_1]]
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i8* [[GEP_1]], null
; CHECK-NEXT: ret i1 [[C_1]]
; CHECK: else:
; CHECK-NEXT: ret i1 false
;
entry:
%add = add nsw i80 %v, 1973801615886922022913
%gep = getelementptr inbounds i8, i8* %a, i80 %add
%c = icmp eq i8* %gep, null
br i1 %c, label %then, label %else
then:
%add.1 = add nsw i80 %v, 1973801615886922022913
%gep.1 = getelementptr inbounds i8, i8* %a, i80 %add.1
%c.1 = icmp eq i8* %gep.1, null
ret i1 %c.1
else:
ret i1 false
}
|
