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
|
# Check that the codegenprepare succeeds in dupRetToEnableTailCallOpts() also
# in the presence of a call to @llvm.dbg.value()
#
# RUN: llc %s -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=codegenprepare \
# RUN: -stop-after codegenprepare -o - | FileCheck %s
#
# CHECK-LABEL: bb1:
# CHECK: ret
# CHECK-LABEL: bb2:
# CHECK: ret
# Generated with:
#
# bin/llc -mtriple=s390x-linux-gnu -mcpu=z13 -stop-before codegenprepare -simplify-mir
#
# %0 = type { i32 (...)**, i16, %1* }
# %1 = type { i32 (...)** }
# %2 = type { i32 (...)**, %1*, i8, i32, i32, i32, i16, i32, i16, i32, i16*, %3*, %6*, %9 }
# %3 = type { %4 }
# %4 = type { i32 (...)**, i8, i32, i32, %5**, %1* }
# %5 = type { i32, i32 }
# %6 = type { %7*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %1* }
# %7 = type { %8 }
# %8 = type { i32 (...)**, i8, i32, i32, %0**, %1* }
# %9 = type { i8* }
# %10 = type { %0, i32, i32, %0* }
#
# define %0* @Fun(%2* %arg) !dbg !7 {
# bb:
# switch i32 undef, label %bb3 [
# i32 58, label %bb1
# i32 41, label %bb2
# ], !dbg !14
#
# bb1: ; preds = %bb
# br label %bb4, !dbg !15
#
# bb2: ; preds = %bb
# %tmp = tail call %10* @hoge(%6* undef, %0* undef, i32 signext 0, i32 signext 0), !dbg !16
# call void @llvm.dbg.value(metadata %10* %tmp, metadata !10, metadata !DIExpression()), !dbg !16
# br label %bb4, !dbg !17
#
# bb3: ; preds = %bb
# unreachable, !dbg !18
#
# bb4: ; preds = %bb2, %bb1
# %tmp5 = phi %10* [ undef, %bb1 ], [ %tmp, %bb2 ], !dbg !19
# call void @llvm.dbg.value(metadata %10* %tmp5, metadata !12, metadata !DIExpression()), !dbg !19
# %tmp6 = bitcast %10* %tmp5 to %0*, !dbg !20
# call void @llvm.dbg.value(metadata %0* %tmp6, metadata !13, metadata !DIExpression()), !dbg !20
# ret %0* %tmp6, !dbg !21
# }
#
# declare %10* @hoge(%6*, %0*, i32, i32)
#
# ; Function Attrs: nounwind readnone speculatable
# declare void @llvm.dbg.value(metadata, metadata, metadata) #1
#
# attributes #0 = { "use-soft-float"="false" }
# attributes #1 = { nounwind readnone speculatable }
#
# !llvm.module.flags = !{!0, !1}
# !llvm.dbg.cu = !{!2}
# !llvm.debugify = !{!5, !6}
#
# !0 = !{i32 2, !"Debug Info Version", i32 3}
# !1 = !{i32 1, !"wchar_size", i32 4}
# !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4)
# !3 = !DIFile(filename: "tc.ll", directory: "/")
# !4 = !{}
# !5 = !{i32 8}
# !6 = !{i32 3}
# !7 = distinct !DISubprogram(name: "eggs", linkageName: "eggs", scope: null, file: !3, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
# !8 = !DISubroutineType(types: !4)
# !9 = !{!10, !12, !13}
# !10 = !DILocalVariable(name: "1", scope: !7, file: !3, line: 3, type: !11)
# !11 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
# !12 = !DILocalVariable(name: "2", scope: !7, file: !3, line: 6, type: !11)
# !13 = !DILocalVariable(name: "3", scope: !7, file: !3, line: 7, type: !11)
# !14 = !DILocation(line: 1, column: 1, scope: !7)
# !15 = !DILocation(line: 2, column: 1, scope: !7)
# !16 = !DILocation(line: 3, column: 1, scope: !7)
# !17 = !DILocation(line: 4, column: 1, scope: !7)
# !18 = !DILocation(line: 5, column: 1, scope: !7)
# !19 = !DILocation(line: 6, column: 1, scope: !7)
# !20 = !DILocation(line: 7, column: 1, scope: !7)
# !21 = !DILocation(line: 8, column: 1, scope: !7)
--- |
%0 = type { i32 (...)**, i16, %1* }
%1 = type { i32 (...)** }
%2 = type { i32 (...)**, %1*, i8, i32, i32, i32, i16, i32, i16, i32, i16*, %3*, %6*, %9 }
%3 = type { %4 }
%4 = type { i32 (...)**, i8, i32, i32, %5**, %1* }
%5 = type { i32, i32 }
%6 = type { %7*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %0*, %1* }
%7 = type { %8 }
%8 = type { i32 (...)**, i8, i32, i32, %0**, %1* }
%9 = type { i8* }
%10 = type { %0, i32, i32, %0* }
define %0* @Fun(%2* %arg) #0 !dbg !7 {
bb:
switch i32 undef, label %bb3 [
i32 58, label %bb1
i32 41, label %bb2
], !dbg !14
bb1: ; preds = %bb
br label %bb4, !dbg !15
bb2: ; preds = %bb
%tmp = tail call %10* @hoge(%6* undef, %0* undef, i32 signext 0, i32 signext 0), !dbg !16
call void @llvm.dbg.value(metadata %10* %tmp, metadata !10, metadata !DIExpression()), !dbg !16
br label %bb4, !dbg !17
bb3: ; preds = %bb
unreachable, !dbg !18
bb4: ; preds = %bb2, %bb1
%tmp5 = phi %10* [ undef, %bb1 ], [ %tmp, %bb2 ], !dbg !19
call void @llvm.dbg.value(metadata %10* %tmp5, metadata !12, metadata !DIExpression()), !dbg !19
%tmp6 = bitcast %10* %tmp5 to %0*, !dbg !20
call void @llvm.dbg.value(metadata %0* %tmp6, metadata !13, metadata !DIExpression()), !dbg !20
ret %0* %tmp6, !dbg !21
}
declare %10* @hoge(%6*, %0*, i32, i32) #0
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
attributes #0 = { "target-cpu"="z13" }
attributes #1 = { nounwind readnone speculatable "target-cpu"="z13" }
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!llvm.debugify = !{!5, !6}
!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !{i32 1, !"wchar_size", i32 4}
!2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4)
!3 = !DIFile(filename: "tc.ll", directory: "/")
!4 = !{}
!5 = !{i32 8}
!6 = !{i32 3}
!7 = distinct !DISubprogram(name: "eggs", linkageName: "eggs", scope: null, file: !3, line: 1, type: !8, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !9)
!8 = !DISubroutineType(types: !4)
!9 = !{!10, !12, !13}
!10 = !DILocalVariable(name: "1", scope: !7, file: !3, line: 3, type: !11)
!11 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
!12 = !DILocalVariable(name: "2", scope: !7, file: !3, line: 6, type: !11)
!13 = !DILocalVariable(name: "3", scope: !7, file: !3, line: 7, type: !11)
!14 = !DILocation(line: 1, column: 1, scope: !7)
!15 = !DILocation(line: 2, column: 1, scope: !7)
!16 = !DILocation(line: 3, column: 1, scope: !7)
!17 = !DILocation(line: 4, column: 1, scope: !7)
!18 = !DILocation(line: 5, column: 1, scope: !7)
!19 = !DILocation(line: 6, column: 1, scope: !7)
!20 = !DILocation(line: 7, column: 1, scope: !7)
!21 = !DILocation(line: 8, column: 1, scope: !7)
...
---
name: Fun
alignment: 16
tracksRegLiveness: true
...
|
