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120
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1 ; RUN: llc -march=hexagon < %s | FileCheck %s
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2 ; Check for some sane output (original problem was a crash).
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3 ; CHECK: DEBUG_VALUE: fred:Count <- 0
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4
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5 target triple = "hexagon"
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6
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7 define i32 @fred(i32 %p) local_unnamed_addr #0 !dbg !6 {
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8 entry:
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9 br label %cond.end
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10
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11 cond.end: ; preds = %entry
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12 br i1 undef, label %cond.false.i, label %for.body.lr.ph.i
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13
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14 for.body.lr.ph.i: ; preds = %cond.end
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15 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !10, metadata !12) #0, !dbg !13
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16 br label %for.body.i
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17
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18 cond.false.i: ; preds = %cond.end
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19 unreachable
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20
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21 for.body.i: ; preds = %for.inc.i, %for.body.lr.ph.i
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22 %inc.sink37.i = phi i32 [ 0, %for.body.lr.ph.i ], [ %inc.i, %for.inc.i ]
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23 %call.i = tail call i8* undef(i32 12, i8* undef) #0
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24 br label %for.inc.i
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25
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26 for.inc.i: ; preds = %for.body.i
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27 %inc.i = add nuw i32 %inc.sink37.i, 1
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28 %cmp1.i = icmp ult i32 %inc.i, %p
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29 br i1 %cmp1.i, label %for.body.i, label %PQ_AllocMem.exit.loopexit
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30
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31 PQ_AllocMem.exit.loopexit: ; preds = %for.inc.i
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32 unreachable
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33 }
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34
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35 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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36
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37 attributes #0 = { nounwind }
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38 attributes #1 = { nounwind readnone }
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39
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40 !llvm.dbg.cu = !{!0}
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41 !llvm.module.flags = !{!3, !4}
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42 !llvm.ident = !{!5}
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43
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44 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 37afcb099ac2b001f4c826da7ca1d077b67a508c) (http://llvm.org/git/llvm.git 5887f1c75b3ba216850c834b186efdd3e54b7d4f)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2)
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45 !1 = !DIFile(filename: "file.c", directory: "/")
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46 !2 = !{}
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47 !3 = !{i32 2, !"Dwarf Version", i32 4}
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48 !4 = !{i32 2, !"Debug Info Version", i32 3}
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49 !5 = !{!"clang version 4.0.0 (http://llvm.org/git/clang.git 37afcb099ac2b001f4c826da7ca1d077b67a508c) (http://llvm.org/git/llvm.git 5887f1c75b3ba216850c834b186efdd3e54b7d4f)"}
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50 !6 = distinct !DISubprogram(name: "fred", scope: !1, file: !1, line: 116, type: !7, isLocal: false, isDefinition: true, scopeLine: 121, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !9)
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51 !7 = !DISubroutineType(types: !2)
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52 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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53 !9 = !{!10}
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54 !10 = !DILocalVariable(name: "Count", scope: !6, file: !1, line: 1, type: !8)
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55 !11 = distinct !DILocation(line: 1, column: 1, scope: !6)
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56 !12 = !DIExpression()
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57 !13 = !DILocation(line: 1, column: 1, scope: !6, inlinedAt: !11)
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