xref: /llvm-project/llvm/test/Transforms/LoopTransformWarning/vectorization-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; C/C++ code for tests
7; void test(int *A, int Length) {
8; #pragma clang loop vectorize(enable) interleave(enable)
9;   for (int i = 0; i < Length; i++) {
10;     A[i] = i;
11;     if (A[i] > Length)
12;       break;
13;   }
14; }
15; File, line, and column should match those specified in the metadata
16; 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
17
18; YAML:     --- !Failure
19; YAML-NEXT: Pass:            transform-warning
20; YAML-NEXT: Name:            FailedRequestedVectorization
21; YAML-NEXT: DebugLoc:        { File: source.cpp, Line: 19, Column: 5 }
22; YAML-NEXT: Function:        _Z17test_array_boundsPiS_i
23; YAML-NEXT: Args:
24; 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'
25; YAML-NEXT: ...
26
27target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
28
29define void @_Z17test_array_boundsPiS_i(ptr nocapture %A, ptr nocapture readonly %B, i32 %Length) !dbg !8 {
30entry:
31  %cmp9 = icmp sgt i32 %Length, 0, !dbg !32
32  br i1 %cmp9, label %for.body.preheader, label %for.end, !dbg !32, !llvm.loop !34
33
34for.body.preheader:
35  br label %for.body, !dbg !35
36
37for.body:
38  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
39  %arrayidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv, !dbg !35
40  %0 = load i32, ptr %arrayidx, align 4, !dbg !35, !tbaa !18
41  %idxprom1 = sext i32 %0 to i64, !dbg !35
42  %arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %idxprom1, !dbg !35
43  %1 = load i32, ptr %arrayidx2, align 4, !dbg !35, !tbaa !18
44  %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv, !dbg !35
45  store i32 %1, ptr %arrayidx4, align 4, !dbg !35, !tbaa !18
46  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !32
47  %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !32
48  %exitcond = icmp eq i32 %lftr.wideiv, %Length, !dbg !32
49  br i1 %exitcond, label %for.end.loopexit, label %for.body, !dbg !32, !llvm.loop !34
50
51for.end.loopexit:
52  br label %for.end
53
54for.end:
55  ret void, !dbg !36
56}
57
58!llvm.dbg.cu = !{!0}
59!llvm.module.flags = !{!9, !10}
60!llvm.ident = !{!11}
61
62!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)
63!1 = !DIFile(filename: "source.cpp", directory: ".")
64!2 = !{}
65!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)
66!5 = !DIFile(filename: "source.cpp", directory: ".")
67!6 = !DISubroutineType(types: !2)
68!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)
69!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)
70!9 = !{i32 2, !"Dwarf Version", i32 2}
71!10 = !{i32 2, !"Debug Info Version", i32 3}
72!11 = !{!"clang version 3.5.0"}
73!12 = !DILocation(line: 3, column: 8, scope: !13)
74!13 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
75!14 = !{!14, !15, !15}
76!15 = !{!"llvm.loop.vectorize.enable", i1 true}
77!16 = !DILocation(line: 4, column: 5, scope: !17)
78!17 = distinct !DILexicalBlock(line: 3, column: 36, file: !1, scope: !13)
79!18 = !{!19, !19, i64 0}
80!19 = !{!"int", !20, i64 0}
81!20 = !{!"omnipotent char", !21, i64 0}
82!21 = !{!"Simple C/C++ TBAA"}
83!22 = !DILocation(line: 5, column: 9, scope: !23)
84!23 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !17)
85!24 = !DILocation(line: 8, column: 1, scope: !4)
86!25 = !DILocation(line: 12, column: 8, scope: !26)
87!26 = distinct !DILexicalBlock(line: 12, column: 3, file: !1, scope: !7)
88!27 = !{!27, !28, !29}
89!28 = !{!"llvm.loop.interleave.count", i32 1}
90!29 = !{!"llvm.loop.vectorize.width", i32 1}
91!30 = !DILocation(line: 13, column: 5, scope: !26)
92!31 = !DILocation(line: 14, column: 1, scope: !7)
93!32 = !DILocation(line: 18, column: 8, scope: !33)
94!33 = distinct !DILexicalBlock(line: 18, column: 3, file: !1, scope: !8)
95!34 = !{!34, !15}
96!35 = !DILocation(line: 19, column: 5, scope: !33)
97!36 = !DILocation(line: 20, column: 1, scope: !8)
98!37 = distinct !DILexicalBlock(line: 24, column: 3, file: !1, scope: !46)
99!38 = !DILocation(line: 27, column: 3, scope: !37)
100!39 = !DILocation(line: 31, column: 3, scope: !37)
101!40 = !DILocation(line: 28, column: 9, scope: !37)
102!41 = !DILocation(line: 29, column: 11, scope: !37)
103!42 = !DILocation(line: 29, column: 7, scope: !37)
104!43 = !DILocation(line: 27, column: 32, scope: !37)
105!44 = !DILocation(line: 27, column: 30, scope: !37)
106!45 = !DILocation(line: 27, column: 21, scope: !37)
107!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)
108