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
|
; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" \
; RUN: -polly-detect-track-failures -polly-print-detect -disable-output \
; RUN: -polly-process-unprofitable=false < %s 2>&1| FileCheck %s
; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" \
; RUN: -polly-detect-track-failures -polly-print-detect -disable-output \
; RUN: -polly-process-unprofitable=false < %s 2>&1 -pass-remarks-output=%t.yaml
; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; void onlyWrite(float *A) {
; for (long i = 0; i < 100; i++)
; A[i] = 0;
; }
;
; void onlyRead(float *A) {
; for (long i = 0; i < 100; i++)
; A[i];
; }
; CHECK: remark: /tmp/test.c:2:3: The following errors keep this region from being a Scop.
; CHECK: remark: /tmp/test.c:2:3: No profitable polyhedral optimization found
; CHECK: remark: /tmp/test.c:3:10: Invalid Scop candidate ends here.
; CHECK: remark: /tmp/test.c:7:3: The following errors keep this region from being a Scop.
; CHECK: remark: /tmp/test.c:7:3: No profitable polyhedral optimization found
; CHECK: remark: /tmp/test.c:8:10: Invalid Scop candidate ends here.
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: RejectionErrors
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 2, Column: 3 }
; YAML: Function: onlyWrite
; YAML: Args:
; YAML: - String: The following errors keep this region from being a Scop.
; YAML: ...
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: Unprofitable
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 2, Column: 3 }
; YAML: Function: onlyWrite
; YAML: Args:
; YAML: - String: No profitable polyhedral optimization found
; YAML: ...
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: InvalidScopEnd
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 3, Column: 10 }
; YAML: Function: onlyWrite
; YAML: Args:
; YAML: - String: Invalid Scop candidate ends here.
; YAML: ...
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: RejectionErrors
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 7, Column: 3 }
; YAML: Function: onlyRead
; YAML: Args:
; YAML: - String: The following errors keep this region from being a Scop.
; YAML: ...
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: Unprofitable
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 7, Column: 3 }
; YAML: Function: onlyRead
; YAML: Args:
; YAML: - String: No profitable polyhedral optimization found
; YAML: ...
; YAML: --- !Missed
; YAML: Pass: polly-detect
; YAML: Name: InvalidScopEnd
; YAML: DebugLoc: { File: '/tmp/test.c', Line: 8, Column: 10 }
; YAML: Function: onlyRead
; YAML: Args:
; YAML: - String: Invalid Scop candidate ends here.
; Function Attrs: nounwind uwtable
define void @onlyWrite(float* %A) #0 !dbg !4 {
entry:
call void @llvm.dbg.value(metadata float* %A, i64 0, metadata !14, metadata !15), !dbg !16
call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !17, metadata !15), !dbg !20
br label %for.cond, !dbg !21
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i64 %i.0, 100, !dbg !22
br i1 %exitcond, label %for.body, label %for.end, !dbg !22
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds float, float* %A, i64 %i.0, !dbg !23
store float 0.000000e+00, float* %arrayidx, align 4, !dbg !25
br label %for.inc, !dbg !23
for.inc: ; preds = %for.body
%inc = add nuw nsw i64 %i.0, 1, !dbg !26
call void @llvm.dbg.value(metadata i64 %inc, i64 0, metadata !17, metadata !15), !dbg !20
br label %for.cond, !dbg !27
for.end: ; preds = %for.cond
ret void, !dbg !28
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind uwtable
define void @onlyRead(float* %A) #0 !dbg !10 {
entry:
call void @llvm.dbg.value(metadata float* %A, i64 0, metadata !29, metadata !15), !dbg !30
call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !31, metadata !15), !dbg !33
br label %for.cond, !dbg !34
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i64 %i.0, 100, !dbg !35
br i1 %exitcond, label %for.body, label %for.end, !dbg !35
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds float, float* %A, i64 %i.0, !dbg !36
%val = load float, float* %arrayidx, align 4, !dbg !38
br label %for.inc, !dbg !36
for.inc: ; preds = %for.body
%inc = add nuw nsw i64 %i.0, 1, !dbg !39
call void @llvm.dbg.value(metadata i64 %inc, i64 0, metadata !31, metadata !15), !dbg !33
br label %for.cond, !dbg !40
for.end: ; preds = %for.cond
ret void, !dbg !41
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!11, !12}
!llvm.ident = !{!13}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (llvm/trunk 229257)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
!1 = !DIFile(filename: "/tmp/test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
!2 = !{}
!4 = distinct !DISubprogram(name: "onlyWrite", line: 1, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
!5 = !DIFile(filename: "/tmp/test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
!6 = !DISubroutineType(types: !7)
!7 = !{null, !8}
!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float)
!10 = distinct !DISubprogram(name: "onlyRead", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, retainedNodes: !2)
!11 = !{i32 2, !"Dwarf Version", i32 4}
!12 = !{i32 2, !"Debug Info Version", i32 3}
!13 = !{!"clang version 3.7.0 (llvm/trunk 229257)"}
!14 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !8)
!15 = !DIExpression()
!16 = !DILocation(line: 1, column: 23, scope: !4)
!17 = !DILocalVariable(name: "i", line: 2, scope: !18, file: !5, type: !19)
!18 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4)
!19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
!20 = !DILocation(line: 2, column: 13, scope: !18)
!21 = !DILocation(line: 2, column: 8, scope: !18)
!22 = !DILocation(line: 2, column: 3, scope: !18)
!23 = !DILocation(line: 3, column: 5, scope: !24)
!24 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !18)
!25 = !DILocation(line: 3, column: 10, scope: !24)
!26 = !DILocation(line: 2, column: 30, scope: !24)
!27 = !DILocation(line: 2, column: 3, scope: !24)
!28 = !DILocation(line: 4, column: 1, scope: !4)
!29 = !DILocalVariable(name: "A", line: 6, arg: 1, scope: !10, file: !5, type: !8)
!30 = !DILocation(line: 6, column: 22, scope: !10)
!31 = !DILocalVariable(name: "i", line: 7, scope: !32, file: !5, type: !19)
!32 = distinct !DILexicalBlock(line: 7, column: 3, file: !1, scope: !10)
!33 = !DILocation(line: 7, column: 13, scope: !32)
!34 = !DILocation(line: 7, column: 8, scope: !32)
!35 = !DILocation(line: 7, column: 3, scope: !32)
!36 = !DILocation(line: 8, column: 5, scope: !37)
!37 = distinct !DILexicalBlock(line: 7, column: 3, file: !1, scope: !32)
!38 = !DILocation(line: 8, column: 10, scope: !37)
!39 = !DILocation(line: 7, column: 30, scope: !37)
!40 = !DILocation(line: 7, column: 3, scope: !37)
!41 = !DILocation(line: 9, column: 1, scope: !10)
|
