llvm-project

1
; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -polly-report -disable-output < %s  2>&1 | FileCheck %s
2
target datalayout = "e-i64:64-f80:128-s:64-n8:16:32:64-S128"
3

4
; Function Attrs: nounwind uwtable
5
define void @foo(ptr %A) #0 !dbg !4 {
6
entry:
7
  br label %entry.split
8

9
entry.split:                                      ; preds = %entry
10
  br label %for.body, !dbg !11
11

12
for.body:                                         ; preds = %entry.split, %for.body
13
  %indvar = phi i64 [ 0, %entry.split ], [ %indvar.next, %for.body ]
14
  %i.01 = trunc i64 %indvar to i32, !dbg !13
15
  %arrayidx = getelementptr float, ptr %A, i64 %indvar, !dbg !13
16
  %conv = sitofp i32 %i.01 to float, !dbg !13
17
  store float %conv, ptr %arrayidx, align 4, !dbg !13
18
  %indvar.next = add i64 %indvar, 1, !dbg !11
19
  %exitcond = icmp ne i64 %indvar.next, 100, !dbg !11
20
  br i1 %exitcond, label %for.body, label %for.end, !dbg !11
21

22
for.end:                                          ; preds = %for.body
23
  ret void, !dbg !14
24
}
25

26
; CHECK: note: Polly detected an optimizable loop region (scop) in function 'foo'
27
; CHECK: test.c:2: Start of scop
28
; CHECK: test.c:3: End of scop
29

30
; Function Attrs: nounwind uwtable
31
define void @bar(ptr %A) #0 !dbg !7 {
32
entry:
33
  br label %entry.split
34

35
entry.split:                                      ; preds = %entry
36
  br label %for.body, !dbg !15
37

38
for.body:                                         ; preds = %entry.split, %for.body
39
  %indvar = phi i64 [ 0, %entry.split ], [ %indvar.next, %for.body ]
40
  %i.01 = trunc i64 %indvar to i32, !dbg !17
41
  %arrayidx = getelementptr float, ptr %A, i64 %indvar, !dbg !17
42
  %conv = sitofp i32 %i.01 to float, !dbg !17
43
  store float %conv, ptr %arrayidx, align 4, !dbg !17
44
  %indvar.next = add i64 %indvar, 1, !dbg !15
45
  %exitcond = icmp ne i64 %indvar.next, 100, !dbg !15
46
  br i1 %exitcond, label %for.body, label %for.end, !dbg !15
47

48
for.end:                                          ; preds = %for.body
49
  ret void, !dbg !18
50
}
51

52
; CHECK: note: Polly detected an optimizable loop region (scop) in function 'bar'
53
; CHECK: test.c:9: Start of scop
54
; CHECK: test.c:13: End of scop
55

56
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" }
57

58
!llvm.dbg.cu = !{!0}
59
!llvm.module.flags = !{!8, !9}
60
!llvm.ident = !{!10}
61

62
!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
63
!1 = !DIFile(filename: "test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
64
!2 = !{}
65
!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
66
!5 = !DIFile(filename: "test.c", directory: "/home/grosser/Projects/polly/git/tools/polly")
67
!6 = !DISubroutineType(types: !{null})
68
!7 = distinct !DISubprogram(name: "bar", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !6, retainedNodes: !2)
69
!8 = !{i32 2, !"Dwarf Version", i32 4}
70
!9 = !{i32 1, !"Debug Info Version", i32 3}
71
!10 = !{!"clang version 3.5 "}
72
!11 = !DILocation(line: 2, scope: !12)
73
!12 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
74
!13 = !DILocation(line: 3, scope: !12)
75
!14 = !DILocation(line: 4, scope: !4)
76
!15 = !DILocation(line: 9, scope: !16)
77
!16 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !7)
78
!17 = !DILocation(line: 13, scope: !16)
79
!18 = !DILocation(line: 14, scope: !7)
80

81