1; RUN: llc < %s -o %t -filetype=obj 2; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s 3; RUN: llc < %s -o %t -filetype=obj -regalloc=basic 4; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s 5 6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 7target triple = "x86_64-apple-darwin8" 8 9; Test that consecutive, identical DBG_VALUEs are merged. 10; CHECK: DW_AT_location{{.*}}(DW_OP_reg5 RDI) 11 12%0 = type { i64, i1 } 13 14@__clz_tab = external constant [256 x i8] 15 16define hidden i128 @__divti3(i128 %u, i128 %v) nounwind readnone !dbg !9 { 17entry: 18 tail call void @llvm.dbg.value(metadata i128 %u, metadata !14, metadata !DIExpression()), !dbg !15 19 tail call void @llvm.dbg.value(metadata i64 0, metadata !17, metadata !DIExpression()), !dbg !21 20 br i1 undef, label %bb2, label %bb4, !dbg !22 21 22bb2: ; preds = %entry 23 tail call void @llvm.dbg.value(metadata i128 %u, metadata !14, metadata !DIExpression()), !dbg !15 24 br label %bb4, !dbg !23 25 26bb4: ; preds = %bb2, %entry 27 br i1 undef, label %__udivmodti4.exit, label %bb82.i, !dbg !24 28 29bb82.i: ; preds = %bb4 30 unreachable 31 32__udivmodti4.exit: ; preds = %bb4 33 ret i128 undef, !dbg !27 34} 35 36declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 37 38declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone 39 40declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone 41 42!llvm.dbg.cu = !{!2} 43!llvm.module.flags = !{!32} 44 45!0 = distinct !DISubprogram(name: "__udivmodti4", line: 879, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 879, file: !29, scope: !1, type: !3) 46!1 = !DIFile(filename: "foobar.c", directory: "/tmp") 47!2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !29, enums: !31, retainedTypes: !31, imports: null) 48!3 = !DISubroutineType(types: !4) 49!4 = !{!5, !5, !5, !8} 50!5 = !DIDerivedType(tag: DW_TAG_typedef, name: "UTItype", line: 166, file: !30, scope: !6, baseType: !7) 51!6 = !DIFile(filename: "foobar.h", directory: "/tmp") 52!7 = !DIBasicType(tag: DW_TAG_base_type, size: 128, align: 128, encoding: DW_ATE_unsigned) 53!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !29, scope: !1, baseType: !5) 54!9 = distinct !DISubprogram(name: "__divti3", linkageName: "__divti3", line: 1094, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, scopeLine: 1094, file: !29, scope: !1, type: !10) 55!10 = !DISubroutineType(types: !11) 56!11 = !{!12, !12, !12} 57!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "TItype", line: 160, file: !30, scope: !6, baseType: !13) 58!13 = !DIBasicType(tag: DW_TAG_base_type, size: 128, align: 128, encoding: DW_ATE_signed) 59!14 = !DILocalVariable(name: "u", line: 1093, arg: 1, scope: !9, file: !1, type: !12) 60!15 = !DILocation(line: 1093, scope: !9) 61!16 = !{i64 0} 62!17 = !DILocalVariable(name: "c", line: 1095, scope: !18, file: !1, type: !19) 63!18 = distinct !DILexicalBlock(line: 1094, column: 0, file: !29, scope: !9) 64!19 = !DIDerivedType(tag: DW_TAG_typedef, name: "word_type", line: 424, file: !30, scope: !6, baseType: !20) 65!20 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 66!21 = !DILocation(line: 1095, scope: !18) 67!22 = !DILocation(line: 1103, scope: !18) 68!23 = !DILocation(line: 1104, scope: !18) 69!24 = !DILocation(line: 1003, scope: !25, inlinedAt: !26) 70!25 = distinct !DILexicalBlock(line: 879, column: 0, file: !29, scope: !0) 71!26 = !DILocation(line: 1107, scope: !18) 72!27 = !DILocation(line: 1111, scope: !18) 73!29 = !DIFile(filename: "foobar.c", directory: "/tmp") 74!30 = !DIFile(filename: "foobar.h", directory: "/tmp") 75!31 = !{} 76!32 = !{i32 1, !"Debug Info Version", i32 3} 77