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annotate test/Transforms/AddDiscriminators/multiple.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 60c9769439b8
children 7d135dc70f03
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 multiple CFG paths on the same line.
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4 ;
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5 ; void foo(int i) {
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6 ; int x;
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7 ; if (i < 10) x = i; else x = -i;
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8 ; }
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9 ;
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10 ; The two stores inside the if-then-else line must have different discriminator
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11 ; values.
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12
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13 define void @foo(i32 %i) #0 {
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14 entry:
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15 %i.addr = alloca i32, align 4
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16 %x = alloca i32, align 4
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17 store i32 %i, i32* %i.addr, align 4
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18 %0 = load i32, i32* %i.addr, align 4, !dbg !10
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19 %cmp = icmp slt i32 %0, 10, !dbg !10
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20 br i1 %cmp, label %if.then, label %if.else, !dbg !10
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21
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22 if.then: ; preds = %entry
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23 %1 = load i32, i32* %i.addr, align 4, !dbg !10
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24 ; CHECK: %1 = load i32, i32* %i.addr, align 4, !dbg ![[THEN:[0-9]+]]
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25
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26 store i32 %1, i32* %x, align 4, !dbg !10
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27 ; CHECK: store i32 %1, i32* %x, align 4, !dbg ![[THEN]]
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28
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29 br label %if.end, !dbg !10
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30 ; CHECK: br label %if.end, !dbg ![[THEN]]
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31
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32 if.else: ; preds = %entry
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33 %2 = load i32, i32* %i.addr, align 4, !dbg !10
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34 ; CHECK: %2 = load i32, i32* %i.addr, align 4, !dbg ![[ELSE:[0-9]+]]
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35
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36 %sub = sub nsw i32 0, %2, !dbg !10
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37 ; CHECK: %sub = sub nsw i32 0, %2, !dbg ![[ELSE]]
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54457678186b LLVM 3.6
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39 store i32 %sub, i32* %x, align 4, !dbg !10
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40 ; CHECK: store i32 %sub, i32* %x, align 4, !dbg ![[ELSE]]
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41
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42 br label %if.end
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43
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44 if.end: ; preds = %if.else, %if.then
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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45 ret void, !dbg !12
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46 }
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48 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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49
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50 !llvm.dbg.cu = !{!0}
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51 !llvm.module.flags = !{!7, !8}
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52 !llvm.ident = !{!9}
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53
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54 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 (trunk 199750) (llvm/trunk 199751)", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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55 !1 = !DIFile(filename: "multiple.c", directory: ".")
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56 !2 = !{}
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57 !3 = !{!4}
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58 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: void (i32)* @foo, variables: !2)
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59 !5 = !DIFile(filename: "multiple.c", directory: ".")
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60 !6 = !DISubroutineType(types: !{null, !13})
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61 !13 = !DIBasicType(encoding: DW_ATE_signed, name: "int", size: 32, align: 32)
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60c9769439b8 LLVM 3.7
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62 !7 = !{i32 2, !"Dwarf Version", i32 4}
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63 !8 = !{i32 1, !"Debug Info Version", i32 3}
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64 !9 = !{!"clang version 3.5 (trunk 199750) (llvm/trunk 199751)"}
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65 !10 = !DILocation(line: 3, scope: !11)
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66 !11 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !4)
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67 !12 = !DILocation(line: 4, scope: !4)
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69 ; CHECK: ![[THEN]] = !DILocation(line: 3, scope: ![[THENBLOCK:[0-9]+]])
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70 ; CHECK: ![[THENBLOCK]] = !DILexicalBlockFile(scope: ![[SCOPE:[0-9]+]],{{.*}} discriminator: 1)
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71 ; CHECK: ![[ELSE]] = !DILocation(line: 3, scope: ![[ELSEBLOCK:[0-9]+]])
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72 ; CHECK: ![[ELSEBLOCK]] = !DILexicalBlockFile(scope: ![[SCOPE]],{{.*}} discriminator: 2)