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annotate test/Transforms/AddDiscriminators/diamond.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents
children 1172e4bd9c6f
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100
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1 ; RUN: opt < %s -add-discriminators -S | FileCheck %s
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2
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3 ; Discriminator support for diamond-shaped CFG.:
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4 ; #1 void bar(int);
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5 ; #2
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6 ; #3 void foo(int i) {
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7 ; #4 if (i > 10)
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8 ; #5 bar(5); else bar(3);
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9 ; #6 }
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10
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11 ; bar(5): discriminator 0
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12 ; bar(3): discriminator 1
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13
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14 ; Function Attrs: uwtable
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15 define void @_Z3fooi(i32 %i) #0 !dbg !4 {
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16 %1 = alloca i32, align 4
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17 store i32 %i, i32* %1, align 4
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18 call void @llvm.dbg.declare(metadata i32* %1, metadata !11, metadata !12), !dbg !13
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19 %2 = load i32, i32* %1, align 4, !dbg !14
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20 %3 = icmp sgt i32 %2, 10, !dbg !16
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21 br i1 %3, label %4, label %5, !dbg !17
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22
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23 ; <label>:4 ; preds = %0
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24 call void @_Z3bari(i32 5), !dbg !18
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25 br label %6, !dbg !18
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26
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27 ; <label>:5 ; preds = %0
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28 call void @_Z3bari(i32 3), !dbg !19
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29 ; CHECK: call void @_Z3bari(i32 3), !dbg ![[ELSE:[0-9]+]]
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30 br label %6
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31
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32 ; <label>:6 ; preds = %5, %4
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33 ret void, !dbg !20
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34 }
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35
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36 ; Function Attrs: nounwind readnone
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37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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38
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39 declare void @_Z3bari(i32) #2
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40
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41 attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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42 attributes #1 = { nounwind readnone }
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43 attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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44
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45 !llvm.dbg.cu = !{!0}
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46 !llvm.module.flags = !{!8, !9}
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47 !llvm.ident = !{!10}
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48
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49 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 253273)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3)
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50 !1 = !DIFile(filename: "a.cc", directory: "/tmp")
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51 !2 = !{}
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52 !3 = !{!4}
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53 !4 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, variables: !2)
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54 !5 = !DISubroutineType(types: !6)
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55 !6 = !{null, !7}
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56 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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57 !8 = !{i32 2, !"Dwarf Version", i32 4}
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58 !9 = !{i32 2, !"Debug Info Version", i32 3}
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59 !10 = !{!"clang version 3.8.0 (trunk 253273)"}
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60 !11 = !DILocalVariable(name: "i", arg: 1, scope: !4, file: !1, line: 3, type: !7)
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61 !12 = !DIExpression()
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62 !13 = !DILocation(line: 3, column: 14, scope: !4)
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63 !14 = !DILocation(line: 4, column: 7, scope: !15)
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64 !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 7)
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65 !16 = !DILocation(line: 4, column: 9, scope: !15)
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66 !17 = !DILocation(line: 4, column: 7, scope: !4)
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67 !18 = !DILocation(line: 5, column: 5, scope: !15)
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68 !19 = !DILocation(line: 5, column: 18, scope: !15)
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69 !20 = !DILocation(line: 6, column: 1, scope: !4)
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70
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71 ; CHECK: ![[ELSE]] = !DILocation(line: 5, column: 18, scope: ![[ELSEBLOCK:[0-9]+]])
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72 ; CHECK: ![[ELSEBLOCK]] = !DILexicalBlockFile({{.*}} discriminator: 1)