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
6 target 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"
7 target triple = "x86_64-apple-darwin8"
9 ; Test that consecutive, identical DBG_VALUEs are merged.
10 ; CHECK: DW_AT_location{{.*}}(DW_OP_reg5 RDI)
14 @__clz_tab = external constant [256 x i8]
16 define hidden i128 @__divti3(i128 %u, i128 %v) nounwind readnone !dbg !9 {
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
23 tail call void @llvm.dbg.value(metadata i128 %u, metadata !14, metadata !DIExpression()), !dbg !15
24 br label %bb4, !dbg !23
26 bb4: ; preds = %bb2, %entry
27 br i1 undef, label %__udivmodti4.exit, label %bb82.i, !dbg !24
29 bb82.i: ; preds = %bb4
32 __udivmodti4.exit: ; preds = %bb4
33 ret i128 undef, !dbg !27
36 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
38 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
40 declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
43 !llvm.module.flags = !{!32}
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)
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")
76 !32 = !{i32 1, !"Debug Info Version", i32 3}