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llvm-project/llvm/test/CodeGen/X86/dwarf-split-line-1.ll

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[DWARF] Suppress split line tables more carefully. If a given split type unit does not have source locations, don't have it refer to the split line table. If no split type unit refers to the split line table, don't emit the line table at all. This will save a little space on rare occasions, but also refactors things a bit to improve which class is responsible for what. Responding to review comments on r326395. Differential Revision: https://reviews.llvm.org/D44220 llvm-svn: 328670
2018-03-28 05:28:59 +08:00
; Verify that split type units with no source locations don't have a
; DW_AT_stmt_list attribute, and the .debug_line.dwo section is suppressed.
CodeGen: Add a dwo output file argument to addPassesToEmitFile and hook it up to dwo output. Part of PR37466. Differential Revision: https://reviews.llvm.org/D47089 llvm-svn: 332881
2018-05-22 04:16:41 +08:00
; RUN: llc -split-dwarf-file=foo.dwo -split-dwarf-output=%t.dwo \
; RUN: -dwarf-version=5 -generate-type-units \
; RUN: -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu < %s
; RUN: llvm-dwarfdump -v %t.dwo | FileCheck %s
[DWARF] Suppress split line tables more carefully. If a given split type unit does not have source locations, don't have it refer to the split line table. If no split type unit refers to the split line table, don't emit the line table at all. This will save a little space on rare occasions, but also refactors things a bit to improve which class is responsible for what. Responding to review comments on r326395. Differential Revision: https://reviews.llvm.org/D44220 llvm-svn: 328670
2018-03-28 05:28:59 +08:00
; CHECK-NOT: .debug_line.dwo
[DWARFv5] Emit split type units in .debug_info.dwo. Differential Revision: https://reviews.llvm.org/D54350 llvm-svn: 346674
2018-11-13 00:55:11 +08:00
; CHECK: .debug_info.dwo contents:
[DWARF] Suppress split line tables more carefully. If a given split type unit does not have source locations, don't have it refer to the split line table. If no split type unit refers to the split line table, don't emit the line table at all. This will save a little space on rare occasions, but also refactors things a bit to improve which class is responsible for what. Responding to review comments on r326395. Differential Revision: https://reviews.llvm.org/D44220 llvm-svn: 328670
2018-03-28 05:28:59 +08:00
; CHECK: 0x00000000: Type Unit: {{.*}} version = 0x0005 unit_type = DW_UT_split_type abbr_offset
; CHECK: 0x00000018: DW_TAG_type_unit
; CHECK-NOT: DW_AT_stmt_list
; CHECK-NOT: DW_AT_decl_file
[DWARFv5] Emit split type units in .debug_info.dwo. Differential Revision: https://reviews.llvm.org/D54350 llvm-svn: 346674
2018-11-13 00:55:11 +08:00
; CHECK: Compile Unit:
[DWARF] Suppress split line tables more carefully. If a given split type unit does not have source locations, don't have it refer to the split line table. If no split type unit refers to the split line table, don't emit the line table at all. This will save a little space on rare occasions, but also refactors things a bit to improve which class is responsible for what. Responding to review comments on r326395. Differential Revision: https://reviews.llvm.org/D44220 llvm-svn: 328670
2018-03-28 05:28:59 +08:00
; CHECK-NOT: .debug_line.dwo
; ModuleID = 't.cpp'
source_filename = "t.cpp"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%struct.S = type { i32 }
@s = global %struct.S zeroinitializer, align 4, !dbg !0
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!8, !9}
!llvm.ident = !{!10}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 5.0.0 (trunk 295942)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
!3 = !DIFile(filename: "t.cpp", directory: "/home/probinson/projects/scratch")
!4 = !{}
!5 = !{!0}
!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", size: 32, elements: !7, identifier: "_ZTS1S")
!7 = !{}
!8 = !{i32 2, !"Dwarf Version", i32 4}
!9 = !{i32 2, !"Debug Info Version", i32 3}
!10 = !{!"clang version 5.0.0 (trunk 295942)"}