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1 ; RUN: opt < %s -add-discriminators -S | FileCheck %s
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2 ; RUN: opt < %s -passes=add-discriminators -S | FileCheck %s
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3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 ; Basic DWARF discriminator test. All the instructions in block
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 ; 'if.then' should have a different discriminator value than
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; the conditional branch at the end of block 'entry'.
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7 ;
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8 ; Original code:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; void foo(int i) {
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11 ; int x;
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12 ; if (i < 10) x = i;
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13 ; }
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14
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15 define void @foo(i32 %i) #0 !dbg !4 {
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16 entry:
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17 %i.addr = alloca i32, align 4
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18 %x = alloca i32, align 4
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19 store i32 %i, i32* %i.addr, align 4
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20 %0 = load i32, i32* %i.addr, align 4, !dbg !10
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21 %cmp = icmp slt i32 %0, 10, !dbg !10
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22 br i1 %cmp, label %if.then, label %if.end, !dbg !10
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23
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24 if.then: ; preds = %entry
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25 %1 = load i32, i32* %i.addr, align 4, !dbg !10
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26 ; CHECK: %1 = load i32, i32* %i.addr, align 4, !dbg ![[THEN:[0-9]+]]
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27
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28 store i32 %1, i32* %x, align 4, !dbg !10
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29 ; CHECK: store i32 %1, i32* %x, align 4, !dbg ![[THEN]]
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30
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31 br label %if.end, !dbg !10
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32 ; CHECK: br label %if.end, !dbg ![[THEN]]
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33
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 if.end: ; preds = %if.then, %entry
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35 ret void, !dbg !12
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36 ; CHECK: ret void, !dbg ![[END:[0-9]+]]
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37 }
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38
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 attributes #0 = { nounwind uwtable "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" "unsafe-fp-math"="false" "use-soft-float"="false" }
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40
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41 !llvm.dbg.cu = !{!0}
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42 !llvm.module.flags = !{!7, !8}
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43 !llvm.ident = !{!9}
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44
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45 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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46 !1 = !DIFile(filename: "basic.c", directory: ".")
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47 !2 = !{}
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48 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
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49 !5 = !DIFile(filename: "basic.c", directory: ".")
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50 !6 = !DISubroutineType(types: !2)
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51 !7 = !{i32 2, !"Dwarf Version", i32 4}
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52 !8 = !{i32 1, !"Debug Info Version", i32 3}
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53 !9 = !{!"clang version 3.5 "}
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54 !10 = !DILocation(line: 3, scope: !11)
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55 !11 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !4)
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56 !12 = !DILocation(line: 4, scope: !4)
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57
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58 ; CHECK: ![[FOO:[0-9]+]] = distinct !DISubprogram(name: "foo"
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59 ; CHECK: ![[BLOCK:[0-9]+]] = distinct !DILexicalBlock(scope: ![[FOO]],{{.*}} line: 3)
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60 ; CHECK: ![[THEN]] = !DILocation(line: 3, scope: ![[BLOCKFILE:[0-9]+]])
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61 ; CHECK: ![[BLOCKFILE]] = !DILexicalBlockFile(scope: ![[BLOCK]],{{.*}} discriminator: 2)
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62 ; CHECK: ![[END]] = !DILocation(line: 4, scope: ![[FOO]])
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