1 ; RUN: llc < %s - -filetype=obj | llvm-dwarfdump -debug-dump=loc - | FileCheck %s 2 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" 3 target triple = "thumbv7-apple-macosx10.6.7" 4 5 ; The S registers on ARM are expressed as pieces of their super-registers in DWARF. 6 ; 7 ; 0x90 DW_OP_regx of super-register 8 ; 0x93 DW_OP_piece 9 ; 0x9d DW_OP_bit_piece 10 ; CHECK: Location description: 90 {{.. .. ((93 ..)|(9d .. ..)) $}} 11 12 define void @_Z3foov() optsize ssp !dbg !1 { 13 entry: 14 %call = tail call float @_Z3barv() optsize, !dbg !11 15 tail call void @llvm.dbg.value(metadata float %call, i64 0, metadata !5, metadata !DIExpression()), !dbg !11 16 %call16 = tail call float @_Z2f2v() optsize, !dbg !12 17 %cmp7 = fcmp olt float %call, %call16, !dbg !12 18 br i1 %cmp7, label %for.body, label %for.end, !dbg !12 19 20 for.body: ; preds = %entry, %for.body 21 %k.08 = phi float [ %inc, %for.body ], [ %call, %entry ] 22 %call4 = tail call float @_Z2f3f(float %k.08) optsize, !dbg !13 23 %inc = fadd float %k.08, 1.000000e+00, !dbg !14 24 %call1 = tail call float @_Z2f2v() optsize, !dbg !12 25 %cmp = fcmp olt float %inc, %call1, !dbg !12 26 br i1 %cmp, label %for.body, label %for.end, !dbg !12 27 28 for.end: ; preds = %for.body, %entry 29 ret void, !dbg !15 30 } 31 32 declare float @_Z3barv() optsize 33 34 declare float @_Z2f2v() optsize 35 36 declare float @_Z2f3f(float) optsize 37 38 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone 39 40 !llvm.dbg.cu = !{!0} 41 !llvm.module.flags = !{!20} 42 43 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.0 (trunk 130845)", isOptimized: true, emissionKind: 1, file: !18, enums: !19, retainedTypes: !19, subprograms: !16, imports: null) 44 !1 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !18, scope: !2, type: !3, variables: !17) 45 !2 = !DIFile(filename: "k.cc", directory: "/private/tmp") 46 !3 = !DISubroutineType(types: !4) 47 !4 = !{null} 48 !5 = !DILocalVariable(name: "k", line: 6, scope: !6, file: !2, type: !7) 49 !6 = distinct !DILexicalBlock(line: 5, column: 12, file: !18, scope: !1) 50 !7 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float) 51 !8 = !DILocalVariable(name: "y", line: 8, scope: !9, file: !2, type: !7) 52 !9 = distinct !DILexicalBlock(line: 7, column: 25, file: !18, scope: !10) 53 !10 = distinct !DILexicalBlock(line: 7, column: 3, file: !18, scope: !6) 54 !11 = !DILocation(line: 6, column: 18, scope: !6) 55 !12 = !DILocation(line: 7, column: 3, scope: !6) 56 !13 = !DILocation(line: 8, column: 20, scope: !9) 57 !14 = !DILocation(line: 7, column: 20, scope: !10) 58 !15 = !DILocation(line: 10, column: 1, scope: !6) 59 !16 = !{!1} 60 !17 = !{!5, !8} 61 !18 = !DIFile(filename: "k.cc", directory: "/private/tmp") 62 !19 = !{} 63 !20 = !{i32 1, !"Debug Info Version", i32 3} 64
