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
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; RUN: igc_opt -igc-phielimination -S < %s | FileCheck %s
; ------------------------------------------------
; DeadPHINodeElimination
; ------------------------------------------------
; This test checks that DeadPHINodeElimination pass follows
; 'How to Update Debug Info' llvm guideline.
;
; Debug MD for this test was created with debugify pass.
; ------------------------------------------------
; CHECK: define void @test{{.*}} !dbg [[SCOPE:![0-9]*]]
; CHECK: body:
; CHECK: [[Y1_V:%[A-z0-9.]*]] = {{.*}}, !dbg [[Y1_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y1_V]], metadata [[X1_MD:![0-9]*]], metadata !DIExpression()), !dbg [[X1_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y1_V]], metadata [[Y1_MD:![0-9]*]], metadata !DIExpression()), !dbg [[Y1_LOC:![0-9]*]]
; CHECK: body1:
; CHECK: [[Y2_V:%[A-z0-9.]*]] = {{.*}}, !dbg [[Y2_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y2_V]], metadata [[X2_MD:![0-9]*]], metadata !DIExpression()), !dbg [[X2_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y2_V]], metadata [[Y2_MD:![0-9]*]], metadata !DIExpression()), !dbg [[Y2_LOC:![0-9]*]]
; CHECK: body2:
; CHECK: [[Y3_V:%[A-z0-9.]*]] = {{.*}}, !dbg [[Y3_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y3_V]], metadata [[X3_MD:![0-9]*]], metadata !DIExpression()), !dbg [[X3_LOC:![0-9]*]]
; CHECK: void @llvm.dbg.value(metadata i32 [[Y3_V]], metadata [[Y3_MD:![0-9]*]], metadata !DIExpression()), !dbg [[Y3_LOC:![0-9]*]]
define void @test(i32 %a, i32* %b) !dbg !10 {
entry:
%0 = icmp slt i32 %a, 13, !dbg !28
call void @llvm.dbg.value(metadata i1 %0, metadata !13, metadata !DIExpression()), !dbg !28
%1 = load i32, i32* %b, !dbg !29
call void @llvm.dbg.value(metadata i32 %1, metadata !15, metadata !DIExpression()), !dbg !29
br i1 %0, label %body, label %end, !dbg !30
body: ; preds = %body1, %entry
%x1 = phi i32 [ 0, %entry ], [ %x2, %body1 ], !dbg !31
%y1 = phi i32 [ 0, %entry ], [ %y2, %body1 ], !dbg !32
call void @llvm.dbg.value(metadata i32 %x1, metadata !17, metadata !DIExpression()), !dbg !31
call void @llvm.dbg.value(metadata i32 %y1, metadata !18, metadata !DIExpression()), !dbg !32
%2 = icmp slt i32 %a, 16, !dbg !33
call void @llvm.dbg.value(metadata i1 %2, metadata !19, metadata !DIExpression()), !dbg !33
br i1 %2, label %body1, label %body2, !dbg !34
body1: ; preds = %body2, %body
%x2 = phi i32 [ %x1, %body ], [ %x3, %body2 ], !dbg !35
%y2 = phi i32 [ %y1, %body ], [ %y3, %body2 ], !dbg !36
call void @llvm.dbg.value(metadata i32 %x2, metadata !20, metadata !DIExpression()), !dbg !35
call void @llvm.dbg.value(metadata i32 %y2, metadata !21, metadata !DIExpression()), !dbg !36
%3 = add i32 %x2, %1, !dbg !37
call void @llvm.dbg.value(metadata i32 %3, metadata !22, metadata !DIExpression()), !dbg !37
%4 = icmp slt i32 %3, %a, !dbg !38
call void @llvm.dbg.value(metadata i1 %4, metadata !23, metadata !DIExpression()), !dbg !38
br i1 %4, label %body, label %body2, !dbg !39
body2: ; preds = %body1, %body
%x3 = phi i32 [ %x1, %body ], [ %x2, %body1 ], !dbg !40
%y3 = phi i32 [ %y1, %body ], [ %y2, %body1 ], !dbg !41
call void @llvm.dbg.value(metadata i32 %x3, metadata !24, metadata !DIExpression()), !dbg !40
call void @llvm.dbg.value(metadata i32 %y3, metadata !25, metadata !DIExpression()), !dbg !41
%5 = icmp slt i32 %a, 25, !dbg !42
call void @llvm.dbg.value(metadata i1 %5, metadata !26, metadata !DIExpression()), !dbg !42
br i1 %5, label %body1, label %end, !dbg !43
end: ; preds = %body2, %entry
%6 = phi i32 [ %a, %entry ], [ %y3, %body2 ], !dbg !44
call void @llvm.dbg.value(metadata i32 %6, metadata !27, metadata !DIExpression()), !dbg !44
store i32 %6, i32* %b, !dbg !45
ret void, !dbg !46
}
; CHECK-DAG: [[FILE:![0-9]*]] = !DIFile(filename: "DeadPHINodeElimination.ll", directory: "/")
; CHECK-DAG: [[SCOPE]] = distinct !DISubprogram(name: "test", linkageName: "test", scope: null, file: [[FILE]], line: 1
; CHECK-DAG: [[X1_MD]] = !DILocalVariable(name: "3", scope: [[SCOPE]], file: [[FILE]], line: 4
; CHECK-DAG: [[X1_LOC]] = !DILocation(line: 4, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[Y1_MD]] = !DILocalVariable(name: "4", scope: [[SCOPE]], file: [[FILE]], line: 5
; CHECK-DAG: [[Y1_LOC]] = !DILocation(line: 5, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[X2_MD]] = !DILocalVariable(name: "6", scope: [[SCOPE]], file: [[FILE]], line: 8
; CHECK-DAG: [[X2_LOC]] = !DILocation(line: 8, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[Y2_MD]] = !DILocalVariable(name: "7", scope: [[SCOPE]], file: [[FILE]], line: 9
; CHECK-DAG: [[Y2_LOC]] = !DILocation(line: 9, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[X3_MD]] = !DILocalVariable(name: "10", scope: [[SCOPE]], file: [[FILE]], line: 13
; CHECK-DAG: [[X3_LOC]] = !DILocation(line: 13, column: 1, scope: [[SCOPE]])
; CHECK-DAG: [[Y3_MD]] = !DILocalVariable(name: "11", scope: [[SCOPE]], file: [[FILE]], line: 14
; CHECK-DAG: [[Y3_LOC]] = !DILocation(line: 14, column: 1, scope: [[SCOPE]])
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nounwind readnone speculatable }
!igc.functions = !{!0}
!llvm.dbg.cu = !{!4}
!llvm.debugify = !{!7, !8}
!llvm.module.flags = !{!9}
!0 = !{void (i32, i32*)* @test, !1}
!1 = !{!2, !3}
!2 = !{!"function_type", i32 0}
!3 = !{!"implicit_arg_desc"}
!4 = distinct !DICompileUnit(language: DW_LANG_C, file: !5, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !6)
!5 = !DIFile(filename: "DeadPHINodeElimination.ll", directory: "/")
!6 = !{}
!7 = !{i32 19}
!8 = !{i32 13}
!9 = !{i32 2, !"Debug Info Version", i32 3}
!10 = distinct !DISubprogram(name: "test", linkageName: "test", scope: null, file: !5, line: 1, type: !11, scopeLine: 1, unit: !4, retainedNodes: !12)
!11 = !DISubroutineType(types: !6)
!12 = !{!13, !15, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27}
!13 = !DILocalVariable(name: "1", scope: !10, file: !5, line: 1, type: !14)
!14 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned)
!15 = !DILocalVariable(name: "2", scope: !10, file: !5, line: 2, type: !16)
!16 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
!17 = !DILocalVariable(name: "3", scope: !10, file: !5, line: 4, type: !16)
!18 = !DILocalVariable(name: "4", scope: !10, file: !5, line: 5, type: !16)
!19 = !DILocalVariable(name: "5", scope: !10, file: !5, line: 6, type: !14)
!20 = !DILocalVariable(name: "6", scope: !10, file: !5, line: 8, type: !16)
!21 = !DILocalVariable(name: "7", scope: !10, file: !5, line: 9, type: !16)
!22 = !DILocalVariable(name: "8", scope: !10, file: !5, line: 10, type: !16)
!23 = !DILocalVariable(name: "9", scope: !10, file: !5, line: 11, type: !14)
!24 = !DILocalVariable(name: "10", scope: !10, file: !5, line: 13, type: !16)
!25 = !DILocalVariable(name: "11", scope: !10, file: !5, line: 14, type: !16)
!26 = !DILocalVariable(name: "12", scope: !10, file: !5, line: 15, type: !14)
!27 = !DILocalVariable(name: "13", scope: !10, file: !5, line: 17, type: !16)
!28 = !DILocation(line: 1, column: 1, scope: !10)
!29 = !DILocation(line: 2, column: 1, scope: !10)
!30 = !DILocation(line: 3, column: 1, scope: !10)
!31 = !DILocation(line: 4, column: 1, scope: !10)
!32 = !DILocation(line: 5, column: 1, scope: !10)
!33 = !DILocation(line: 6, column: 1, scope: !10)
!34 = !DILocation(line: 7, column: 1, scope: !10)
!35 = !DILocation(line: 8, column: 1, scope: !10)
!36 = !DILocation(line: 9, column: 1, scope: !10)
!37 = !DILocation(line: 10, column: 1, scope: !10)
!38 = !DILocation(line: 11, column: 1, scope: !10)
!39 = !DILocation(line: 12, column: 1, scope: !10)
!40 = !DILocation(line: 13, column: 1, scope: !10)
!41 = !DILocation(line: 14, column: 1, scope: !10)
!42 = !DILocation(line: 15, column: 1, scope: !10)
!43 = !DILocation(line: 16, column: 1, scope: !10)
!44 = !DILocation(line: 17, column: 1, scope: !10)
!45 = !DILocation(line: 18, column: 1, scope: !10)
!46 = !DILocation(line: 19, column: 1, scope: !10)
|
