; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s ; CHECK: file format Mach-O arm ; ModuleID = 'test.ll' source_filename = "test.i" target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" target triple = "thumbv7s-apple-ios5.0.0" %struct.vm_object = type { i64 } ; Function Attrs: nounwind ssp define void @f(%struct.vm_object* %object, i64* nocapture readonly %start) local_unnamed_addr #0 !dbg !11 { entry: tail call void @llvm.dbg.value(metadata %struct.vm_object* %object, metadata !21, metadata !DIExpression()), !dbg !27 tail call void @llvm.dbg.value(metadata i64* %start, metadata !22, metadata !DIExpression()), !dbg !28 tail call void @llvm.dbg.value(metadata i64 %0, metadata !25, metadata !DIExpression()), !dbg !29 tail call void @llvm.dbg.value(metadata i64 %0, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !30 ; This debug value cannot safely be split into two 32-bit pieces. ; CHECK-NOT: DW_AT_name(offset) tail call void @llvm.dbg.value(metadata i32 undef, metadata !23, metadata !DIExpression()), !dbg !31 br i1 undef, label %for.end, label %for.body.lr.ph, !dbg !31 for.body.lr.ph: ; preds = %entry %0 = load i64, i64* %start, align 4, !dbg !33 br label %for.body, !dbg !31 for.body: ; preds = %for.body, %for.body.lr.ph %offset.010.in = phi i64 [ %0, %for.body.lr.ph ], [ %offset.010, %for.body ] %head_size.09 = phi i32 [ undef, %for.body.lr.ph ], [ %sub2, %for.body ] %offset.010 = add i64 %offset.010.in, -4096 tail call void @llvm.dbg.value(metadata i32 %head_size.09, metadata !23, metadata !DIExpression()), !dbg !30 %call = tail call i32 bitcast (i32 (...)* @use to i32 (i64, %struct.vm_object*)*)(i64 %offset.010, %struct.vm_object* %object) #2, !dbg !34 %sub2 = add i32 %head_size.09, -4096, !dbg !37 tail call void @llvm.dbg.value(metadata i64 %offset.010, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !29 tail call void @llvm.dbg.value(metadata i32 %sub2, metadata !23, metadata !DIExpression()), !dbg !30 %tobool = icmp eq i32 %sub2, 0, !dbg !31 br i1 %tobool, label %for.end, label %for.body, !dbg !31, !llvm.loop !38 for.end: ; preds = %for.body, %entry ret void, !dbg !40 } declare i32 @use(...) local_unnamed_addr ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.value(metadata, metadata, metadata) #1 attributes #0 = { nounwind ssp } attributes #1 = { nounwind readnone speculatable } attributes #2 = { nobuiltin nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!5, !6, !7, !8, !9} !llvm.ident = !{!10} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3) !1 = !DIFile(filename: "test.i", directory: "/Data/radar/31209283") !2 = !{} !3 = !{!4} !4 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned) !5 = !{i32 2, !"Dwarf Version", i32 2} !6 = !{i32 2, !"Debug Info Version", i32 3} !7 = !{i32 1, !"wchar_size", i32 4} !8 = !{i32 1, !"min_enum_size", i32 4} !9 = !{i32 7, !"PIC Level", i32 2} !10 = !{!"clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)"} !11 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 6, type: !12, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !20) !12 = !DISubroutineType(types: !13) !13 = !{null, !14, !19} !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "v_t", file: !1, line: 1, baseType: !15) !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32) !16 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "v", file: !1, line: 2, size: 64, elements: !17) !17 = !{!18} !18 = !DIDerivedType(tag: DW_TAG_member, name: "p", scope: !16, file: !1, line: 3, baseType: !4, size: 64) !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 32) !20 = !{!21, !22, !23, !25, !26} !21 = !DILocalVariable(name: "object", arg: 1, scope: !11, file: !1, line: 6, type: !14) !22 = !DILocalVariable(name: "start", arg: 2, scope: !11, file: !1, line: 6, type: !19) !23 = !DILocalVariable(name: "head_size", scope: !11, file: !1, line: 7, type: !24) !24 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) !25 = !DILocalVariable(name: "orig_start", scope: !11, file: !1, line: 8, type: !4) !26 = !DILocalVariable(name: "offset", scope: !11, file: !1, line: 9, type: !4) !27 = !DILocation(line: 6, column: 20, scope: !11) !28 = !DILocation(line: 6, column: 48, scope: !11) !29 = !DILocation(line: 7, column: 12, scope: !11) !30 = !DILocation(line: 10, column: 16, scope: !11) !31 = !DILocation(line: 11, column: 5, scope: !32) !32 = distinct !DILexicalBlock(scope: !11, file: !1, line: 11, column: 5) !33 = !DILocation(line: 8, column: 22, scope: !11) !34 = !DILocation(line: 13, column: 7, scope: !35) !35 = distinct !DILexicalBlock(scope: !36, file: !1, line: 12, column: 75) !36 = distinct !DILexicalBlock(scope: !32, file: !1, line: 11, column: 5) !37 = !DILocation(line: 12, column: 61, scope: !36) !38 = distinct !{!38, !31, !39} !39 = !DILocation(line: 14, column: 3, scope: !32) !40 = !DILocation(line: 15, column: 1, scope: !11)