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1 ; RUN: opt < %s -add-discriminators -S | FileCheck %s
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120
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2 ; RUN: opt < %s -passes=add-discriminators -S | FileCheck %s
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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3
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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4 ; Discriminator support for diamond-shaped CFG.:
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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5 ; #1 void bar(int);
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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6 ; #2
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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7 ; #3 void foo(int i) {
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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8 ; #4 if (i > 10)
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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9 ; #5 bar(5); else bar(3);
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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10 ; #6 }
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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11
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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12 ; bar(5): discriminator 0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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13 ; bar(3): discriminator 1
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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14
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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15 ; Function Attrs: uwtable
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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16 define void @_Z3fooi(i32 %i) #0 !dbg !4 {
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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17 %1 = alloca i32, align 4
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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18 store i32 %i, i32* %1, align 4
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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19 call void @llvm.dbg.declare(metadata i32* %1, metadata !11, metadata !12), !dbg !13
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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20 %2 = load i32, i32* %1, align 4, !dbg !14
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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21 %3 = icmp sgt i32 %2, 10, !dbg !16
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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22 br i1 %3, label %4, label %5, !dbg !17
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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23
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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24 ; <label>:4 ; preds = %0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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25 call void @_Z3bari(i32 5), !dbg !18
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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26 br label %6, !dbg !18
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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27
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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28 ; <label>:5 ; preds = %0
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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29 call void @_Z3bari(i32 3), !dbg !19
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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30 ; CHECK: call void @_Z3bari(i32 3), !dbg ![[ELSE:[0-9]+]]
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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31 br label %6
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
32
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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33 ; <label>:6 ; preds = %5, %4
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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34 ret void, !dbg !20
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
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35 }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
36
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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37 ; Function Attrs: nounwind readnone
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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38 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
39
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
40 declare void @_Z3bari(i32) #2
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
41
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
42 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" }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
43 attributes #1 = { nounwind readnone }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
44 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" }
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
45
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
46 !llvm.dbg.cu = !{!0}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
47 !llvm.module.flags = !{!8, !9}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
48 !llvm.ident = !{!10}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
49
|
120
|
50 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 253273)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
|
100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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51 !1 = !DIFile(filename: "a.cc", directory: "/tmp")
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
52 !2 = !{}
|
120
|
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, unit: !0, variables: !2)
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100
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
54 !5 = !DISubroutineType(types: !6)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
55 !6 = !{null, !7}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
56 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
57 !8 = !{i32 2, !"Dwarf Version", i32 4}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
58 !9 = !{i32 2, !"Debug Info Version", i32 3}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
59 !10 = !{!"clang version 3.8.0 (trunk 253273)"}
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
60 !11 = !DILocalVariable(name: "i", arg: 1, scope: !4, file: !1, line: 3, type: !7)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
61 !12 = !DIExpression()
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
62 !13 = !DILocation(line: 3, column: 14, scope: !4)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
63 !14 = !DILocation(line: 4, column: 7, scope: !15)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
64 !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 7)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
65 !16 = !DILocation(line: 4, column: 9, scope: !15)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
66 !17 = !DILocation(line: 4, column: 7, scope: !4)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
67 !18 = !DILocation(line: 5, column: 5, scope: !15)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
68 !19 = !DILocation(line: 5, column: 18, scope: !15)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
69 !20 = !DILocation(line: 6, column: 1, scope: !4)
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
70
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
71 ; CHECK: ![[ELSE]] = !DILocation(line: 5, column: 18, scope: ![[ELSEBLOCK:[0-9]+]])
|
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
72 ; CHECK: ![[ELSEBLOCK]] = !DILexicalBlockFile({{.*}} discriminator: 1)
|