1 ; RUN: llc < %s -O2 -mtriple=aarch64-none-linux-gnu 2 3 ; Bug 20598 4 5 6 define void @test() #0 !dbg !4 { 7 entry: 8 br label %for.body, !dbg !39 9 10 for.body: ; preds = %for.body, %entry 11 %arrayidx5 = getelementptr inbounds i32, i32* null, i64 1, !dbg !43 12 %0 = load i32, i32* null, align 4, !dbg !45, !tbaa !46 13 %s1 = sub nsw i32 0, %0, !dbg !50 14 %n1 = sext i32 %s1 to i64, !dbg !50 15 %arrayidx21 = getelementptr inbounds i32, i32* null, i64 3, !dbg !51 16 %add53 = add nsw i64 %n1, 0, !dbg !52 17 %add55 = add nsw i64 %n1, 0, !dbg !53 18 %mul63 = mul nsw i64 %add53, -20995, !dbg !54 19 tail call void @llvm.dbg.value(metadata i64 %mul63, i64 0, metadata !30, metadata !DIExpression()), !dbg !55 20 %mul65 = mul nsw i64 %add55, -3196, !dbg !56 21 %add67 = add nsw i64 0, %mul65, !dbg !57 22 %add80 = add i64 0, 1024, !dbg !58 23 %add81 = add i64 %add80, %mul63, !dbg !58 24 %add82 = add i64 %add81, 0, !dbg !58 25 %shr83351 = lshr i64 %add82, 11, !dbg !58 26 %conv84 = trunc i64 %shr83351 to i32, !dbg !58 27 store i32 %conv84, i32* %arrayidx21, align 4, !dbg !58, !tbaa !46 28 %add86 = add i64 0, 1024, !dbg !59 29 %add87 = add i64 %add86, 0, !dbg !59 30 %add88 = add i64 %add87, %add67, !dbg !59 31 %shr89352 = lshr i64 %add88, 11, !dbg !59 32 %n2 = trunc i64 %shr89352 to i32, !dbg !59 33 store i32 %n2, i32* %arrayidx5, align 4, !dbg !59, !tbaa !46 34 br label %for.body, !dbg !39 35 } 36 37 ; Function Attrs: nounwind readnone 38 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 39 40 attributes #0 = { nounwind "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" } 41 attributes #1 = { nounwind readnone } 42 43 !llvm.dbg.cu = !{!0} 44 !llvm.module.flags = !{!36, !37} 45 !llvm.ident = !{!38} 46 47 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 48 !1 = !DIFile(filename: "test.c", directory: "") 49 !2 = !{} 50 !4 = distinct !DISubprogram(name: "", line: 140, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 141, file: !1, scope: !1, type: !6, variables: !12) 51 !6 = !DISubroutineType(types: !7) 52 !7 = !{null, !8} 53 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9) 54 !9 = !DIDerivedType(tag: DW_TAG_typedef, line: 30, file: !1, baseType: !11) 55 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 56 !12 = !{!13, !14, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35} 57 !13 = !DILocalVariable(name: "", line: 140, arg: 1, scope: !4, file: !1, type: !8) 58 !14 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 59 !15 = !DIDerivedType(tag: DW_TAG_typedef, line: 183, file: !1, baseType: !17) 60 !17 = !DIBasicType(tag: DW_TAG_base_type, size: 64, align: 64, encoding: DW_ATE_signed) 61 !18 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 62 !19 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 63 !20 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 64 !21 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 65 !22 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 66 !23 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 67 !24 = !DILocalVariable(name: "", line: 142, scope: !4, file: !1, type: !15) 68 !25 = !DILocalVariable(name: "", line: 143, scope: !4, file: !1, type: !15) 69 !26 = !DILocalVariable(name: "", line: 143, scope: !4, file: !1, type: !15) 70 !27 = !DILocalVariable(name: "", line: 143, scope: !4, file: !1, type: !15) 71 !28 = !DILocalVariable(name: "", line: 143, scope: !4, file: !1, type: !15) 72 !29 = !DILocalVariable(name: "", line: 144, scope: !4, file: !1, type: !15) 73 !30 = !DILocalVariable(name: "", line: 144, scope: !4, file: !1, type: !15) 74 !31 = !DILocalVariable(name: "", line: 144, scope: !4, file: !1, type: !15) 75 !32 = !DILocalVariable(name: "", line: 144, scope: !4, file: !1, type: !15) 76 !33 = !DILocalVariable(name: "", line: 144, scope: !4, file: !1, type: !15) 77 !34 = !DILocalVariable(name: "", line: 145, scope: !4, file: !1, type: !8) 78 !35 = !DILocalVariable(name: "", line: 146, scope: !4, file: !1, type: !11) 79 !36 = !{i32 2, !"Dwarf Version", i32 4} 80 !37 = !{i32 2, !"Debug Info Version", i32 3} 81 !38 = !{!"clang version 3.6.0 "} 82 !39 = !DILocation(line: 154, column: 8, scope: !40) 83 !40 = distinct !DILexicalBlock(line: 154, column: 8, file: !1, scope: !41) 84 !41 = distinct !DILexicalBlock(line: 154, column: 8, file: !1, scope: !42) 85 !42 = distinct !DILexicalBlock(line: 154, column: 3, file: !1, scope: !4) 86 !43 = !DILocation(line: 157, column: 5, scope: !44) 87 !44 = distinct !DILexicalBlock(line: 154, column: 42, file: !1, scope: !42) 88 !45 = !DILocation(line: 159, column: 5, scope: !44) 89 !46 = !{!47, !47, i64 0} 90 !47 = !{!"int", !48, i64 0} 91 !48 = !{!"omnipotent char", !49, i64 0} 92 !49 = !{!"Simple C/C++ TBAA"} 93 !50 = !DILocation(line: 160, column: 5, scope: !44) 94 !51 = !DILocation(line: 161, column: 5, scope: !44) 95 !52 = !DILocation(line: 188, column: 5, scope: !44) 96 !53 = !DILocation(line: 190, column: 5, scope: !44) 97 !54 = !DILocation(line: 198, column: 5, scope: !44) 98 !55 = !DILocation(line: 144, column: 13, scope: !4) 99 !56 = !DILocation(line: 200, column: 5, scope: !44) 100 !57 = !DILocation(line: 203, column: 5, scope: !44) 101 !58 = !DILocation(line: 207, column: 5, scope: !44) 102 !59 = !DILocation(line: 208, column: 5, scope: !44) 103
