• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; Legacy pass manager
2; RUN: opt < %s -transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 | FileCheck %s
3; RUN: opt < %s -transform-warning -disable-output -pass-remarks-output=%t.yaml
4; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
5
6; New pass manager
7; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-missed=transform-warning -pass-remarks-analysis=transform-warning 2>&1 | FileCheck %s
8; RUN: opt < %s -passes=transform-warning -disable-output -pass-remarks-output=%t.yaml
9; RUN: cat %t.yaml | FileCheck -check-prefix=YAML %s
10
11
12; C/C++ code for tests
13; void test(int *A, int Length) {
14; #pragma clang loop vectorize(enable) interleave(enable)
15;   for (int i = 0; i < Length; i++) {
16;     A[i] = i;
17;     if (A[i] > Length)
18;       break;
19;   }
20; }
21; File, line, and column should match those specified in the metadata
22; CHECK: warning: source.cpp:19:5: loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering
23
24; YAML:     --- !Failure
25; YAML-NEXT: Pass:            transform-warning
26; YAML-NEXT: Name:            FailedRequestedVectorization
27; YAML-NEXT: DebugLoc:        { File: source.cpp, Line: 19, Column: 5 }
28; YAML-NEXT: Function:        _Z17test_array_boundsPiS_i
29; YAML-NEXT: Args:
30; YAML-NEXT:   - String:          'loop not vectorized: the optimizer was unable to perform the requested transformation; the transformation might be disabled or specified as part of an unsupported transformation ordering'
31; YAML-NEXT: ...
32
33target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
34
35define void @_Z17test_array_boundsPiS_i(i32* nocapture %A, i32* nocapture readonly %B, i32 %Length) !dbg !8 {
36entry:
37  %cmp9 = icmp sgt i32 %Length, 0, !dbg !32
38  br i1 %cmp9, label %for.body.preheader, label %for.end, !dbg !32, !llvm.loop !34
39
40for.body.preheader:
41  br label %for.body, !dbg !35
42
43for.body:
44  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
45  %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv, !dbg !35
46  %0 = load i32, i32* %arrayidx, align 4, !dbg !35, !tbaa !18
47  %idxprom1 = sext i32 %0 to i64, !dbg !35
48  %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !35
49  %1 = load i32, i32* %arrayidx2, align 4, !dbg !35, !tbaa !18
50  %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv, !dbg !35
51  store i32 %1, i32* %arrayidx4, align 4, !dbg !35, !tbaa !18
52  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !32
53  %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !32
54  %exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !32
55  br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !32, !llvm.loop !34
56
57for.end.loopexit:
58  br label %for.end
59
60for.end:
61  ret void, !dbg !36
62}
63
64!llvm.dbg.cu = !{!0}
65!llvm.module.flags = !{!9, !10}
66!llvm.ident = !{!11}
67
68!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)
69!1 = !DIFile(filename: "source.cpp", directory: ".")
70!2 = !{}
71!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)
72!5 = !DIFile(filename: "source.cpp", directory: ".")
73!6 = !DISubroutineType(types: !2)
74!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)
75!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)
76!9 = !{i32 2, !"Dwarf Version", i32 2}
77!10 = !{i32 2, !"Debug Info Version", i32 3}
78!11 = !{!"clang version 3.5.0"}
79!12 = !DILocation(line: 3, column: 8, scope: !13)
80!13 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
81!14 = !{!14, !15, !15}
82!15 = !{!"llvm.loop.vectorize.enable", i1 true}
83!16 = !DILocation(line: 4, column: 5, scope: !17)
84!17 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !13)
85!18 = !{!19, !19, i64 0}
86!19 = !{!"int", !20, i64 0}
87!20 = !{!"omnipotent char", !21, i64 0}
88!21 = !{!"Simple C/C++ TBAA"}
89!22 = !DILocation(line: 5, column: 9, scope: !23)
90!23 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !17)
91!24 = !DILocation(line: 8, column: 1, scope: !4)
92!25 = !DILocation(line: 12, column: 8, scope: !26)
93!26 = distinct !DILexicalBlock(line: 12, column: 3, file: !1, scope: !7)
94!27 = !{!27, !28, !29}
95!28 = !{!"llvm.loop.interleave.count", i32 1}
96!29 = !{!"llvm.loop.vectorize.width", i32 1}
97!30 = !DILocation(line: 13, column: 5, scope: !26)
98!31 = !DILocation(line: 14, column: 1, scope: !7)
99!32 = !DILocation(line: 18, column: 8, scope: !33)
100!33 = distinct !DILexicalBlock(line: 18, column: 3, file: !1, scope: !8)
101!34 = !{!34, !15}
102!35 = !DILocation(line: 19, column: 5, scope: !33)
103!36 = !DILocation(line: 20, column: 1, scope: !8)
104!37 = distinct !DILexicalBlock(line: 24, column: 3, file: !1, scope: !46)
105!38 = !DILocation(line: 27, column: 3, scope: !37)
106!39 = !DILocation(line: 31, column: 3, scope: !37)
107!40 = !DILocation(line: 28, column: 9, scope: !37)
108!41 = !DILocation(line: 29, column: 11, scope: !37)
109!42 = !DILocation(line: 29, column: 7, scope: !37)
110!43 = !DILocation(line: 27, column: 32, scope: !37)
111!44 = !DILocation(line: 27, column: 30, scope: !37)
112!45 = !DILocation(line: 27, column: 21, scope: !37)
113!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)
114