pr38795.ll
10.8 KB
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; FIXME: Fix machine verifier issues and remove -verify-machineinstrs=0. PR39440.
; RUN: llc %s -O2 -mtriple=i386-unknown-linux-gnu -o - -verify-machineinstrs=0 | FileCheck %s
@.str = external dso_local unnamed_addr constant [6 x i8], align 1
@a = external dso_local local_unnamed_addr global i32, align 4
@h = external dso_local local_unnamed_addr global i32, align 4
@g = external dso_local local_unnamed_addr global i8, align 1
define dso_local void @fn() {
; CHECK-LABEL: fn:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: pushl %ebx
; CHECK-NEXT: .cfi_def_cfa_offset 12
; CHECK-NEXT: pushl %edi
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: pushl %esi
; CHECK-NEXT: .cfi_def_cfa_offset 20
; CHECK-NEXT: subl $28, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 48
; CHECK-NEXT: .cfi_offset %esi, -20
; CHECK-NEXT: .cfi_offset %edi, -16
; CHECK-NEXT: .cfi_offset %ebx, -12
; CHECK-NEXT: .cfi_offset %ebp, -8
; CHECK-NEXT: xorl %ebx, %ebx
; CHECK-NEXT: # implicit-def: $ecx
; CHECK-NEXT: # implicit-def: $edi
; CHECK-NEXT: # implicit-def: $al
; CHECK-NEXT: # kill: killed $al
; CHECK-NEXT: # implicit-def: $dl
; CHECK-NEXT: # implicit-def: $ebp
; CHECK-NEXT: jmp .LBB0_1
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_16: # %for.inc
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movb %dl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: movb %dh, %dl
; CHECK-NEXT: .LBB0_1: # %for.cond
; CHECK-NEXT: # =>This Loop Header: Depth=1
; CHECK-NEXT: # Child Loop BB0_20 Depth 2
; CHECK-NEXT: cmpb $8, %dl
; CHECK-NEXT: movb %dl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: ja .LBB0_3
; CHECK-NEXT: # %bb.2: # %for.cond
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: je .LBB0_3
; CHECK-NEXT: # %bb.4: # %if.end
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: cltd
; CHECK-NEXT: idivl a
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %dl # 1-byte Reload
; CHECK-NEXT: movb %cl, %dh
; CHECK-NEXT: movl $0, h
; CHECK-NEXT: cmpb $8, %dl
; CHECK-NEXT: jg .LBB0_8
; CHECK-NEXT: # %bb.5: # %if.then13
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movl %eax, %esi
; CHECK-NEXT: movl $.str, (%esp)
; CHECK-NEXT: movb %dh, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: calll printf
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %dh # 1-byte Reload
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: movl %esi, %ecx
; CHECK-NEXT: # implicit-def: $eax
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %dl # 1-byte Reload
; CHECK-NEXT: movb %dl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: movb %dh, %dl
; CHECK-NEXT: jne .LBB0_16
; CHECK-NEXT: jmp .LBB0_6
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_3: # %if.then
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movl $.str, (%esp)
; CHECK-NEXT: calll printf
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %dl # 1-byte Reload
; CHECK-NEXT: # implicit-def: $eax
; CHECK-NEXT: .LBB0_6: # %for.cond35
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB0_7
; CHECK-NEXT: .LBB0_11: # %af
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne .LBB0_12
; CHECK-NEXT: .LBB0_17: # %if.end39
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testl %eax, %eax
; CHECK-NEXT: je .LBB0_19
; CHECK-NEXT: # %bb.18: # %if.then41
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: movl $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: movl $fn, {{[0-9]+}}(%esp)
; CHECK-NEXT: movl $.str, (%esp)
; CHECK-NEXT: calll printf
; CHECK-NEXT: .LBB0_19: # %for.end46
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: # implicit-def: $dl
; CHECK-NEXT: # implicit-def: $dh
; CHECK-NEXT: # implicit-def: $ebp
; CHECK-NEXT: jmp .LBB0_20
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_8: # %if.end21
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: # implicit-def: $ebp
; CHECK-NEXT: jmp .LBB0_9
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_7: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: xorl %edi, %edi
; CHECK-NEXT: movb %dl, %dh
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %dl # 1-byte Reload
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_20: # %for.cond47
; CHECK-NEXT: # Parent Loop BB0_1 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne .LBB0_20
; CHECK-NEXT: # %bb.21: # %for.cond47
; CHECK-NEXT: # in Loop: Header=BB0_20 Depth=2
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne .LBB0_20
; CHECK-NEXT: .LBB0_9: # %ae
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: jne .LBB0_10
; CHECK-NEXT: # %bb.13: # %if.end26
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: testb %dl, %dl
; CHECK-NEXT: je .LBB0_16
; CHECK-NEXT: # %bb.14: # %if.end26
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: testl %ebp, %ebp
; CHECK-NEXT: jne .LBB0_16
; CHECK-NEXT: # %bb.15: # %if.then31
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: jmp .LBB0_16
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_10: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: # implicit-def: $eax
; CHECK-NEXT: testb %bl, %bl
; CHECK-NEXT: je .LBB0_17
; CHECK-NEXT: .LBB0_12: # in Loop: Header=BB0_1 Depth=1
; CHECK-NEXT: # implicit-def: $edi
; CHECK-NEXT: # implicit-def: $cl
; CHECK-NEXT: # kill: killed $cl
; CHECK-NEXT: # implicit-def: $dl
; CHECK-NEXT: # implicit-def: $ebp
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: jne .LBB0_11
; CHECK-NEXT: jmp .LBB0_7
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%l.0 = phi i16 [ undef, %entry ], [ 0, %for.inc ]
%m.0 = phi i32 [ undef, %entry ], [ %m.2, %for.inc ]
%i.0 = phi i32 [ undef, %entry ], [ %i.2, %for.inc ]
%p.0 = phi i8 [ undef, %entry ], [ %p.2, %for.inc ]
%k.0 = phi i8 [ undef, %entry ], [ %k.2, %for.inc ]
%q.0 = phi i32 [ undef, %entry ], [ %q.2, %for.inc ]
%cmp = icmp ugt i8 %k.0, 8
%or.cond61 = or i1 %cmp, undef
br i1 %or.cond61, label %if.then, label %if.end
if.then: ; preds = %for.cond
tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0), i64 undef)
br label %for.cond35
if.end: ; preds = %for.cond
%0 = load i32, i32* @a, align 4
%div = sdiv i32 %m.0, %0
br label %ac
ac: ; preds = %ac, %if.end
br i1 undef, label %if.end9, label %ac
if.end9: ; preds = %ac
%conv3 = trunc i32 %m.0 to i8
%conv5 = sext i16 %l.0 to i32
store i32 %conv5, i32* @h, align 4
%cmp11 = icmp slt i8 %k.0, 9
br i1 %cmp11, label %if.then13, label %if.end21
if.then13: ; preds = %if.end9
tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0), i64 undef)
br i1 undef, label %for.inc, label %for.cond35
if.end21: ; preds = %if.end9
%1 = load i8, i8* @g, align 1
br label %ae
ae: ; preds = %for.cond47, %if.end21
%l.2 = phi i16 [ undef, %if.end21 ], [ 0, %for.cond47 ]
%i.1 = phi i32 [ %i.0, %if.end21 ], [ %i.5, %for.cond47 ]
%p.1 = phi i8 [ %k.0, %if.end21 ], [ %p.6, %for.cond47 ]
%k.1 = phi i8 [ %conv3, %if.end21 ], [ %k.6, %for.cond47 ]
%q.1 = phi i32 [ undef, %if.end21 ], [ %q.5, %for.cond47 ]
br i1 undef, label %if.end26, label %af
if.end26: ; preds = %ae
%tobool27 = icmp eq i32 %q.1, 0
%tobool30 = icmp ne i8 %p.1, 0
%or.cond = and i1 %tobool30, %tobool27
br i1 %or.cond, label %if.then31, label %for.inc
if.then31: ; preds = %if.end26
br label %for.inc
for.inc: ; preds = %if.then31, %if.end26, %if.then13
%m.2 = phi i32 [ 0, %if.then31 ], [ 0, %if.end26 ], [ %div, %if.then13 ]
%i.2 = phi i32 [ %i.1, %if.then31 ], [ %i.1, %if.end26 ], [ %i.0, %if.then13 ]
%p.2 = phi i8 [ %p.1, %if.then31 ], [ %p.1, %if.end26 ], [ undef, %if.then13 ]
%k.2 = phi i8 [ %k.1, %if.then31 ], [ %k.1, %if.end26 ], [ %conv3, %if.then13 ]
%q.2 = phi i32 [ 0, %if.then31 ], [ %q.1, %if.end26 ], [ %q.0, %if.then13 ]
%2 = load i32, i32* @h, align 4
br label %for.cond
for.cond35: ; preds = %for.inc44, %if.then13, %if.then
%i.3 = phi i32 [ undef, %for.inc44 ], [ %i.0, %if.then ], [ %i.0, %if.then13 ]
%o.2 = phi i32 [ %o.3, %for.inc44 ], [ undef, %if.then ], [ undef, %if.then13 ]
%p.4 = phi i8 [ undef, %for.inc44 ], [ %p.0, %if.then ], [ %k.0, %if.then13 ]
%k.4 = phi i8 [ undef, %for.inc44 ], [ %k.0, %if.then ], [ %conv3, %if.then13 ]
%q.3 = phi i32 [ undef, %for.inc44 ], [ %q.0, %if.then ], [ %q.0, %if.then13 ]
%tobool36 = icmp eq i32 %i.3, 0
br i1 %tobool36, label %for.end46, label %af
af: ; preds = %for.cond35, %ae
%i.4 = phi i32 [ %i.3, %for.cond35 ], [ %i.1, %ae ]
%o.3 = phi i32 [ %o.2, %for.cond35 ], [ undef, %ae ]
br i1 undef, label %if.end39, label %for.inc44
if.end39: ; preds = %af
%tobool40 = icmp eq i32 %o.3, 0
br i1 %tobool40, label %for.end46, label %if.then41
if.then41: ; preds = %if.end39
tail call void (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0), i64 ptrtoint (void ()* @fn to i64))
br label %for.end46
for.inc44: ; preds = %af
br label %for.cond35
for.end46: ; preds = %if.then41, %if.end39, %for.cond35
%i.5 = phi i32 [ %i.4, %if.then41 ], [ %i.4, %if.end39 ], [ 0, %for.cond35 ]
%p.6 = phi i8 [ undef, %if.then41 ], [ undef, %if.end39 ], [ %p.4, %for.cond35 ]
%k.6 = phi i8 [ undef, %if.then41 ], [ undef, %if.end39 ], [ %k.4, %for.cond35 ]
%q.5 = phi i32 [ undef, %if.then41 ], [ undef, %if.end39 ], [ %q.3, %for.cond35 ]
br label %for.cond47
for.cond47: ; preds = %for.cond47, %for.end46
%brmerge = or i1 false, undef
br i1 %brmerge, label %for.cond47, label %ae
}
declare dso_local void @printf(i8* nocapture readonly, ...) local_unnamed_addr