| Reid Kleckner | 0fe506b | 2017-09-21 19:52:03 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o %t.s |
| 2 | ; RUN: llvm-mc -triple x86_64--linux %t.s -filetype=obj -o %t.o |
| 3 | ; RUN: FileCheck < %t.s %s |
| 4 | ; RUN: llvm-dwarfdump %t.o | FileCheck %s --check-prefix=DWARF |
| 5 | |
| 6 | ; Unlike dbg.declare, dbg.addr should be lowered to DBG_VALUE instructions. It |
| 7 | ; is control-dependent. |
| 8 | |
| 9 | ; CHECK-LABEL: use_dbg_addr: |
| Francis Visoiu Mistrih | 9d7bb0c | 2017-11-28 17:15:09 +0000 | [diff] [blame] | 10 | ; CHECK: #DEBUG_VALUE: use_dbg_addr:o <- [%rsp+0] |
| Reid Kleckner | 0fe506b | 2017-09-21 19:52:03 +0000 | [diff] [blame] | 11 | |
| 12 | ; FIXME: Avoid the use of a single-location location list and use |
| 13 | ; DW_AT_start_offset instead. |
| 14 | |
| 15 | ; DWARF: DW_TAG_variable |
| 16 | ; DWARF-NEXT: DW_AT_location (0x00000000 |
| Jonas Devlieghere | 6f24c87 | 2018-01-16 11:17:57 +0000 | [diff] [blame] | 17 | ; DWARF-NEXT: [0x{{.*}}, 0x{{.*}}): DW_OP_breg7 RSP+0) |
| Reid Kleckner | 0fe506b | 2017-09-21 19:52:03 +0000 | [diff] [blame] | 18 | ; DWARF-NEXT: DW_AT_name ("o") |
| 19 | |
| 20 | |
| 21 | ; ModuleID = 't.c' |
| 22 | source_filename = "t.c" |
| 23 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 24 | target triple = "x86_64--linux" |
| 25 | |
| 26 | %struct.Foo = type { i32 } |
| 27 | |
| 28 | ; Function Attrs: noinline nounwind uwtable |
| 29 | define void @use_dbg_addr() #0 !dbg !7 { |
| 30 | entry: |
| 31 | %o = alloca %struct.Foo, align 4 |
| 32 | call void @llvm.dbg.addr(metadata %struct.Foo* %o, metadata !10, metadata !15), !dbg !16 |
| 33 | call void @escape_foo(%struct.Foo* %o), !dbg !17 |
| 34 | ret void, !dbg !18 |
| 35 | } |
| 36 | |
| 37 | ; Function Attrs: nounwind readnone speculatable |
| 38 | declare void @llvm.dbg.addr(metadata, metadata, metadata) #1 |
| 39 | |
| 40 | declare void @escape_foo(%struct.Foo*) |
| 41 | |
| 42 | attributes #0 = { noinline nounwind uwtable } |
| 43 | attributes #1 = { nounwind readnone speculatable } |
| 44 | |
| 45 | !llvm.dbg.cu = !{!0} |
| 46 | !llvm.module.flags = !{!3, !4, !5} |
| 47 | !llvm.ident = !{!6} |
| 48 | |
| 49 | !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| 50 | !1 = !DIFile(filename: "t.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild") |
| 51 | !2 = !{} |
| 52 | !3 = !{i32 2, !"Dwarf Version", i32 4} |
| 53 | !4 = !{i32 2, !"Debug Info Version", i32 3} |
| 54 | !5 = !{i32 1, !"wchar_size", i32 4} |
| 55 | !6 = !{!"clang version 6.0.0 "} |
| 56 | !7 = distinct !DISubprogram(name: "use_dbg_addr", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) |
| 57 | !8 = !DISubroutineType(types: !9) |
| 58 | !9 = !{null} |
| 59 | !10 = !DILocalVariable(name: "o", scope: !7, file: !1, line: 4, type: !11) |
| 60 | !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !1, line: 1, size: 32, elements: !12) |
| 61 | !12 = !{!13} |
| 62 | !13 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !11, file: !1, line: 1, baseType: !14, size: 32) |
| 63 | !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| 64 | !15 = !DIExpression() |
| 65 | !16 = !DILocation(line: 4, column: 14, scope: !7) |
| 66 | !17 = !DILocation(line: 5, column: 3, scope: !7) |
| 67 | !18 = !DILocation(line: 6, column: 1, scope: !7) |