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173
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1 ; RUN: opt -S -licm < %s | FileCheck %s
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2
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207
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3 ; CHECK: %arrayidx4.promoted = load i32, i32* %arrayidx4, align 1, !tbaa !{{[0-9]+$}}
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173
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4
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5 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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6 target triple = "x86_64-unknown-linux-gnu"
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7
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8 @a = dso_local local_unnamed_addr global i16 0, align 2, !dbg !0
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9 @b = dso_local local_unnamed_addr global i16 0, align 2, !dbg !6
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10
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11 define dso_local void @c(i32 %d) local_unnamed_addr #0 !dbg !13 {
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12 entry:
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13 call void @llvm.dbg.value(metadata i32 undef, metadata !18, metadata !DIExpression()), !dbg !19
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14 ret void, !dbg !20
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15 }
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16
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17 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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18
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19 define dso_local signext i16 @e(i32 %d) local_unnamed_addr #0 !dbg !21 {
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20 entry:
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21 call void @llvm.dbg.value(metadata i32 %d, metadata !25, metadata !DIExpression()), !dbg !26
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22 %conv = trunc i32 %d to i16, !dbg !27
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23 ret i16 %conv, !dbg !28
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24 }
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25
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26 define dso_local signext i16 @g() local_unnamed_addr #2 !dbg !29 {
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27 entry:
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28 %l_284 = alloca [2 x [3 x [6 x i32]]], align 16
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29 %0 = bitcast [2 x [3 x [6 x i32]]]* %l_284 to i8*, !dbg !39
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30 call void @llvm.lifetime.start.p0i8(i64 144, i8* nonnull %0) #4, !dbg !39
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31 call void @llvm.dbg.declare(metadata [2 x [3 x [6 x i32]]]* %l_284, metadata !33, metadata !DIExpression()), !dbg !40
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32 %1 = load i16, i16* @a, align 2, !dbg !41, !tbaa !44
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33 %cmp11 = icmp sgt i16 %1, -1, !dbg !48
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34 br i1 %cmp11, label %for.body.lr.ph, label %cleanup, !dbg !49
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35
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36 for.body.lr.ph: ; preds = %entry
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37 br label %for.body, !dbg !49
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38
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39 for.body: ; preds = %for.body.lr.ph, %for.cond2
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40 %call = call signext i16 @e(i32 1), !dbg !50
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41 %tobool = icmp eq i16 %call, 0, !dbg !50
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42 br i1 %tobool, label %for.cond2, label %for.body.cleanup_crit_edge, !dbg !53
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43
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44 for.cond2: ; preds = %for.body
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45 %arrayidx4 = getelementptr inbounds [2 x [3 x [6 x i32]]], [2 x [3 x [6 x i32]]]* %l_284, i64 0, i64 1, i64 2, i64 5, !dbg !54
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46 store i32 0, i32* %arrayidx4, align 4, !dbg !58, !tbaa !59
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47 %arrayidx8 = getelementptr inbounds [2 x [3 x [6 x i32]]], [2 x [3 x [6 x i32]]]* %l_284, i64 0, i64 1, i64 1, i64 4, !dbg !61
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48 %2 = load i32, i32* %arrayidx8, align 8, !dbg !61, !tbaa !59
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49 %conv9 = trunc i32 %2 to i16, !dbg !61
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50 store i16 %conv9, i16* @b, align 2, !dbg !62, !tbaa !44
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51 %3 = load i16, i16* @a, align 2, !dbg !41, !tbaa !44
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52 %cmp = icmp sgt i16 %3, -1, !dbg !48
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53 br i1 %cmp, label %for.body, label %for.cond.cleanup_crit_edge, !dbg !49, !llvm.loop !63
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54
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55 for.cond.cleanup_crit_edge: ; preds = %for.cond2
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56 br label %cleanup, !dbg !49
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57
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58 for.body.cleanup_crit_edge: ; preds = %for.body
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59 br label %cleanup, !dbg !53
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60
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61 cleanup: ; preds = %for.body.cleanup_crit_edge, %for.cond.cleanup_crit_edge, %entry
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62 call void @llvm.lifetime.end.p0i8(i64 144, i8* nonnull %0) #4, !dbg !66
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63 ret i16 1, !dbg !66
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64 }
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65
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66 ; Function Attrs: argmemonly nounwind willreturn
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67 declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #3
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68
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69 ; Function Attrs: norecurse nounwind readnone uwtable
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70 define internal signext i16 @f(i32 %d) #0 !dbg !67 {
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71 entry:
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72 call void @llvm.dbg.value(metadata i32 %d, metadata !69, metadata !DIExpression()), !dbg !70
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73 ret i16 undef, !dbg !71
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74 }
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75
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76 ; Function Attrs: argmemonly nounwind willreturn
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77 declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #3
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78
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79 ; Function Attrs: nounwind uwtable
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80 define dso_local i32 @main() local_unnamed_addr #2 !dbg !72 {
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81 entry:
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82 %call = call signext i16 @g(), !dbg !75
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83 ret i32 0, !dbg !76
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84 }
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85
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86 declare void @llvm.dbg.value(metadata, metadata, metadata)
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87
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88 attributes #0 = { norecurse nounwind readnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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89 attributes #1 = { nounwind readnone speculatable willreturn }
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90 attributes #2 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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91 attributes #3 = { argmemonly nounwind willreturn }
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92 attributes #4 = { nounwind }
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93
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94 !llvm.dbg.cu = !{!2}
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95 !llvm.module.flags = !{!9, !10, !11}
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96 !llvm.ident = !{!12}
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97
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98 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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99 !1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
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100 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git 237d0e3c0416abf9919406bcc92874cfd15f5e0c)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
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101 !3 = !DIFile(filename: "a.c", directory: "/home/davide/lldb-build/bin")
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102 !4 = !{}
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103 !5 = !{!0, !6}
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104 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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105 !7 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
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106 !8 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)
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107 !9 = !{i32 7, !"Dwarf Version", i32 4}
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108 !10 = !{i32 2, !"Debug Info Version", i32 3}
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109 !11 = !{i32 1, !"wchar_size", i32 4}
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110 !12 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 237d0e3c0416abf9919406bcc92874cfd15f5e0c)"}
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111 !13 = distinct !DISubprogram(name: "c", scope: !3, file: !3, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !17)
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112 !14 = !DISubroutineType(types: !15)
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113 !15 = !{null, !16}
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114 !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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115 !17 = !{!18}
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116 !18 = !DILocalVariable(name: "d", arg: 1, scope: !13, file: !3, line: 2, type: !16)
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117 !19 = !DILocation(line: 0, scope: !13)
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118 !20 = !DILocation(line: 2, column: 13, scope: !13)
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119 !21 = distinct !DISubprogram(name: "e", scope: !3, file: !3, line: 3, type: !22, scopeLine: 3, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !24)
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120 !22 = !DISubroutineType(types: !23)
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121 !23 = !{!8, !16}
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122 !24 = !{!25}
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123 !25 = !DILocalVariable(name: "d", arg: 1, scope: !21, file: !3, line: 3, type: !16)
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124 !26 = !DILocation(line: 0, scope: !21)
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125 !27 = !DILocation(line: 3, column: 22, scope: !21)
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126 !28 = !DILocation(line: 3, column: 15, scope: !21)
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127 !29 = distinct !DISubprogram(name: "g", scope: !3, file: !3, line: 5, type: !30, scopeLine: 5, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !32)
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128 !30 = !DISubroutineType(types: !31)
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129 !31 = !{!8}
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130 !32 = !{!33}
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131 !33 = !DILocalVariable(name: "l_284", scope: !29, file: !3, line: 6, type: !34)
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132 !34 = !DICompositeType(tag: DW_TAG_array_type, baseType: !16, size: 1152, elements: !35)
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133 !35 = !{!36, !37, !38}
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134 !36 = !DISubrange(count: 2)
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135 !37 = !DISubrange(count: 3)
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136 !38 = !DISubrange(count: 6)
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137 !39 = !DILocation(line: 6, column: 3, scope: !29)
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138 !40 = !DILocation(line: 6, column: 7, scope: !29)
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139 !41 = !DILocation(line: 7, column: 10, scope: !42)
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140 !42 = distinct !DILexicalBlock(scope: !43, file: !3, line: 7, column: 3)
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141 !43 = distinct !DILexicalBlock(scope: !29, file: !3, line: 7, column: 3)
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142 !44 = !{!45, !45, i64 0}
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143 !45 = !{!"short", !46, i64 0}
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144 !46 = !{!"omnipotent char", !47, i64 0}
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145 !47 = !{!"Simple C/C++ TBAA"}
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146 !48 = !DILocation(line: 7, column: 12, scope: !42)
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147 !49 = !DILocation(line: 7, column: 3, scope: !43)
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148 !50 = !DILocation(line: 8, column: 9, scope: !51)
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149 !51 = distinct !DILexicalBlock(scope: !52, file: !3, line: 8, column: 9)
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150 !52 = distinct !DILexicalBlock(scope: !42, file: !3, line: 7, column: 19)
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151 !53 = !DILocation(line: 8, column: 9, scope: !52)
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152 !54 = !DILocation(line: 11, column: 7, scope: !55)
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153 !55 = distinct !DILexicalBlock(scope: !56, file: !3, line: 10, column: 14)
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154 !56 = distinct !DILexicalBlock(scope: !57, file: !3, line: 10, column: 5)
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155 !57 = distinct !DILexicalBlock(scope: !52, file: !3, line: 10, column: 5)
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156 !58 = !DILocation(line: 11, column: 22, scope: !55)
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157 !59 = !{!60, !60, i64 0}
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158 !60 = !{!"int", !46, i64 0}
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159 !61 = !DILocation(line: 16, column: 9, scope: !52)
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160 !62 = !DILocation(line: 16, column: 7, scope: !52)
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161 !63 = distinct !{!63, !49, !64, !65}
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162 !64 = !DILocation(line: 17, column: 3, scope: !43)
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163 !65 = !{!"llvm.loop.unroll.disable"}
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164 !66 = !DILocation(line: 18, column: 1, scope: !29)
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165 !67 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 4, type: !22, scopeLine: 4, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !68)
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166 !68 = !{!69}
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167 !69 = !DILocalVariable(name: "d", arg: 1, scope: !67, file: !3, line: 4, type: !16)
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168 !70 = !DILocation(line: 0, scope: !67)
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169 !71 = !DILocation(line: 4, column: 21, scope: !67)
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170 !72 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 19, type: !73, scopeLine: 19, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !4)
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171 !73 = !DISubroutineType(types: !74)
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172 !74 = !{!16}
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173 !75 = !DILocation(line: 19, column: 14, scope: !72)
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174 !76 = !DILocation(line: 19, column: 19, scope: !72)
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