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
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2022 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
;
; RUN: igc_opt --igc-legalize-function-signatures -S < %s | FileCheck %s
; ------------------------------------------------
; LegalizeFunctionSignatures
; ------------------------------------------------
; This test checks that LegalizeFunctionSignatures pass follows
; 'How to Update Debug Info' llvm guideline.
;
; Debug MD for this test was created with debugify pass.
; ------------------------------------------------
;
; Testcase 1:
; Calls are substituted with calls to legalized functions
;
; CHECK-DAG: [[FOO_V:%[0-9]*]] = call i32 @foo({{.*}} [[FOO_ARG:%[0-9]*]]), !dbg [[FOO_LOC:![0-9]*]]
; CHECK-DAG: [[FOO_ARG]] = zext {{.*}}, !dbg [[FOO_LOC]]
; CHECK: @llvm.dbg.value(metadata i32 [[FOO_V]], metadata [[FOO_MD:![0-9]*]], metadata !DIExpression()), !dbg [[FOO_LOC]]
; CHECK: call void @bar{{.*}}, !dbg [[BAR_LOC:![0-9]*]]
;
define spir_kernel void @test_k(i32 %src) !dbg !6 {
%1 = zext i32 %src to i48, !dbg !18
call void @llvm.dbg.value(metadata i48 %1, metadata !9, metadata !DIExpression()), !dbg !18
%2 = insertelement <3 x i48> <i48 0, i48 42, i48 13>, i48 %1, i32 0, !dbg !19
call void @llvm.dbg.value(metadata <3 x i48> %2, metadata !11, metadata !DIExpression()), !dbg !19
%3 = call i32 @foo(<3 x i48> %2), !dbg !20
call void @llvm.dbg.value(metadata i32 %3, metadata !13, metadata !DIExpression()), !dbg !20
%4 = alloca i32, !dbg !21
call void @llvm.dbg.value(metadata i32* %4, metadata !15, metadata !DIExpression()), !dbg !21
store i32 %3, i32* %4, !dbg !22
call void @bar(<3 x i48> %2), !dbg !23
; FAILING
; %5 = ptrtoint void (<3 x i48>) * @bar to i32
ret void, !dbg !24
}
; Testcase 2:
;
; Substituted function has it's debug preserved.
; CHECK: define spir_func i32 @foo({{.*}}) !dbg [[FOO_SCOPE:![0-9]*]]
; CHECK-NEXT: [[ARG_V:%[0-9]*]] = trunc {{.*}}
; CHECK-NEXT: alloca {{.*}}, !dbg [[ALLOC_LOC:![0-9]*]]
; CHECK-NEXT: @llvm.dbg.declare(metadata <3 x i48>* {{.*}}, metadata [[ALLOC_MD:![0-9]*]], metadata !DIExpression()), !dbg [[ALLOC_LOC]]
; CHECK-NEXT: store <3 x i48> [[ARG_V]], {{.*}}, !dbg [[STORE_LOC:![0-9]*]]
define spir_func i32 @foo(<3 x i48> %src) !dbg !25 {
%1 = alloca <3 x i48>, !dbg !33
call void @llvm.dbg.declare(metadata <3 x i48>* %1, metadata !27, metadata !DIExpression()), !dbg !33
store <3 x i48> %src, <3 x i48>* %1, !dbg !34
%2 = load <3 x i48>, <3 x i48>* %1, !dbg !35
call void @llvm.dbg.value(metadata <3 x i48> %2, metadata !28, metadata !DIExpression()), !dbg !35
%3 = extractelement <3 x i48> %2, i32 0, !dbg !36
call void @llvm.dbg.value(metadata i48 %3, metadata !29, metadata !DIExpression()), !dbg !36
%4 = extractelement <3 x i48> %src, i32 1, !dbg !37
call void @llvm.dbg.value(metadata i48 %4, metadata !30, metadata !DIExpression()), !dbg !37
%5 = add i48 %3, %4, !dbg !38
call void @llvm.dbg.value(metadata i48 %5, metadata !31, metadata !DIExpression()), !dbg !38
%6 = trunc i48 %5 to i32, !dbg !39
call void @llvm.dbg.value(metadata i32 %6, metadata !32, metadata !DIExpression()), !dbg !39
ret i32 %6, !dbg !40
}
; MD checks:
;
; CHECK-DAG: [[KERNEL_SCOPE:![0-9]*]] = distinct !DISubprogram(name: "test_k", linkageName: "test_k", scope: null
; CHECK-DAG: [[FOO_LOC]] = !DILocation(line: 3, column: 1, scope: [[KERNEL_SCOPE]])
; CHECK-DAG: [[FOO_MD]] = !DILocalVariable(name: "3", scope: [[KERNEL_SCOPE]], file: {{.*}}, line: 3
; CHECK-DAG: [[BAR_LOC]] = !DILocation(line: 6, column: 1, scope: [[KERNEL_SCOPE]])
; CHECK-DAG: [[FOO_SCOPE]] = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: {{.*}}, line: 10
; CHECK-DAG: [[ALLOC_MD]] = !DILocalVariable(name: "7", scope: [[FOO_SCOPE]], file: {{.*}}, line: 10
; CHECK-DAG: [[ALLOC_LOC]] = !DILocation(line: 10, column: 1, scope: [[FOO_SCOPE]])
; CHECK-DAG: [[STORE_LOC]] = !DILocation(line: 11, column: 1, scope: [[FOO_SCOPE]])
declare void @bar(<3 x i48>) #0
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
attributes #0 = { "IndirectlyCalled" }
attributes #1 = { nounwind readnone speculatable }
!llvm.dbg.cu = !{!0}
!llvm.debugify = !{!3, !4}
!llvm.module.flags = !{!5}
!igc.functions = !{}
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "LegalizeFunctionSignatures/fixintv.ll", directory: "/")
!2 = !{}
!3 = !{i32 17}
!4 = !{i32 12}
!5 = !{i32 2, !"Debug Info Version", i32 3}
!6 = distinct !DISubprogram(name: "test_k", linkageName: "test_k", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, unit: !0, retainedNodes: !8)
!7 = !DISubroutineType(types: !2)
!8 = !{!9, !11, !13, !15, !16, !17}
!9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
!11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 2, type: !12)
!12 = !DIBasicType(name: "ty256", size: 256, encoding: DW_ATE_unsigned)
!13 = !DILocalVariable(name: "3", scope: !6, file: !1, line: 3, type: !14)
!14 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
!15 = !DILocalVariable(name: "4", scope: !6, file: !1, line: 4, type: !10)
!16 = !DILocalVariable(name: "5", scope: !6, file: !1, line: 7, type: !10)
!17 = !DILocalVariable(name: "6", scope: !6, file: !1, line: 8, type: !14)
!18 = !DILocation(line: 1, column: 1, scope: !6)
!19 = !DILocation(line: 2, column: 1, scope: !6)
!20 = !DILocation(line: 3, column: 1, scope: !6)
!21 = !DILocation(line: 4, column: 1, scope: !6)
!22 = !DILocation(line: 5, column: 1, scope: !6)
!23 = !DILocation(line: 6, column: 1, scope: !6)
!24 = !DILocation(line: 9, column: 1, scope: !6)
!25 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 10, type: !7, scopeLine: 10, unit: !0, retainedNodes: !26)
!26 = !{!27, !28, !29, !30, !31, !32}
!27 = !DILocalVariable(name: "7", scope: !25, file: !1, line: 10, type: !10)
!28 = !DILocalVariable(name: "8", scope: !25, file: !1, line: 12, type: !12)
!29 = !DILocalVariable(name: "9", scope: !25, file: !1, line: 13, type: !10)
!30 = !DILocalVariable(name: "10", scope: !25, file: !1, line: 14, type: !10)
!31 = !DILocalVariable(name: "11", scope: !25, file: !1, line: 15, type: !10)
!32 = !DILocalVariable(name: "12", scope: !25, file: !1, line: 16, type: !14)
!33 = !DILocation(line: 10, column: 1, scope: !25)
!34 = !DILocation(line: 11, column: 1, scope: !25)
!35 = !DILocation(line: 12, column: 1, scope: !25)
!36 = !DILocation(line: 13, column: 1, scope: !25)
!37 = !DILocation(line: 14, column: 1, scope: !25)
!38 = !DILocation(line: 15, column: 1, scope: !25)
!39 = !DILocation(line: 16, column: 1, scope: !25)
!40 = !DILocation(line: 17, column: 1, scope: !25)
|
