xref: /llvm-project/llvm/test/Transforms/LoopTransformWarning/distribution-remarks-missed.ll (revision 055fb7795aa219a3d274d280ec9129784f169f56) 
1; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 | FileCheck %s
2; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-output=%t.yaml
3; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
4
5
6; CHECK: warning: source.cpp:19:5: loop not distributed: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering
7
8; YAML:     --- !Failure
9; YAML-NEXT: Pass:            transform-warning
10; YAML-NEXT: Name:            FailedRequestedDistribution
11; YAML-NEXT: DebugLoc:        { File: source.cpp, Line: 19, Column: 5 }
12; YAML-NEXT: Function:        _Z17test_array_boundsPiS_i
13; YAML-NEXT: Args:
14; YAML-NEXT:   - String:          'loop not distributed: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering'
15; YAML-NEXT: ...
16
17target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
18
19define void @_Z17test_array_boundsPiS_i(ptr nocapture %A, ptr nocapture readonly %B, i32 %Length) !dbg !8 {
20entry:
21  %cmp9 = icmp sgt i32 %Length, 0, !dbg !32
22  br i1 %cmp9, label %for.body.preheader, label %for.end, !dbg !32
23
24for.body.preheader:
25  br label %for.body, !dbg !35
26
27for.body:
28  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
29  %arrayidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv, !dbg !35
30  %0 = load i32, ptr %arrayidx, align 4, !dbg !35, !tbaa !18
31  %idxprom1 = sext i32 %0 to i64, !dbg !35
32  %arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %idxprom1, !dbg !35
33  %1 = load i32, ptr %arrayidx2, align 4, !dbg !35, !tbaa !18
34  %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv, !dbg !35
35  store i32 %1, ptr %arrayidx4, align 4, !dbg !35, !tbaa !18
36  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !32
37  %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !32
38  %exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !32
39  br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !32, !llvm.loop !50
40
41for.end.loopexit:
42  br label %for.end
43
44for.end:
45  ret void, !dbg !36
46}
47
48!llvm.dbg.cu = !{!0}
49!llvm.module.flags = !{!9, !10}
50!llvm.ident = !{!11}
51
52!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0", isOptimized: true, runtimeVersion: 6, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
53!1 = !DIFile(filename: "source.cpp", directory: ".")
54!2 = !{}
55!4 = distinct !DISubprogram(name: "test", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
56!5 = !DIFile(filename: "source.cpp", directory: ".")
57!6 = !DISubroutineType(types: !2)
58!7 = distinct !DISubprogram(name: "test_disabled", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2)
59!8 = distinct !DISubprogram(name: "test_array_bounds", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 16, file: !1, scope: !5, type: !6, retainedNodes: !2)
60!9 = !{i32 2, !"Dwarf Version", i32 2}
61!10 = !{i32 2, !"Debug Info Version", i32 3}
62!11 = !{!"clang version 3.5.0"}
63!12 = !DILocation(line: 3, column: 8, scope: !13)
64!13 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
65!16 = !DILocation(line: 4, column: 5, scope: !17)
66!17 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !13)
67!18 = !{!19, !19, i64 0}
68!19 = !{!"int", !20, i64 0}
69!20 = !{!"omnipotent char", !21, i64 0}
70!21 = !{!"Simple C/C++ TBAA"}
71!22 = !DILocation(line: 5, column: 9, scope: !23)
72!23 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !17)
73!24 = !DILocation(line: 8, column: 1, scope: !4)
74!25 = !DILocation(line: 12, column: 8, scope: !26)
75!26 = distinct !DILexicalBlock(line: 12, column: 3, file: !1, scope: !7)
76!30 = !DILocation(line: 13, column: 5, scope: !26)
77!31 = !DILocation(line: 14, column: 1, scope: !7)
78!32 = !DILocation(line: 18, column: 8, scope: !33)
79!33 = distinct !DILexicalBlock(line: 18, column: 3, file: !1, scope: !8)
80!35 = !DILocation(line: 19, column: 5, scope: !33)
81!36 = !DILocation(line: 20, column: 1, scope: !8)
82!37 = distinct !DILexicalBlock(line: 24, column: 3, file: !1, scope: !46)
83!38 = !DILocation(line: 27, column: 3, scope: !37)
84!39 = !DILocation(line: 31, column: 3, scope: !37)
85!40 = !DILocation(line: 28, column: 9, scope: !37)
86!41 = !DILocation(line: 29, column: 11, scope: !37)
87!42 = !DILocation(line: 29, column: 7, scope: !37)
88!43 = !DILocation(line: 27, column: 32, scope: !37)
89!44 = !DILocation(line: 27, column: 30, scope: !37)
90!45 = !DILocation(line: 27, column: 21, scope: !37)
91!46 = distinct !DISubprogram(name: "test_multiple_failures", line: 26, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 26, file: !1, scope: !5, type: !6, retainedNodes: !2)
92
93!50 = !{!50, !{!"llvm.loop.distribute.enable"}}
94