forked from OSchip/llvm-project
85 lines
3.6 KiB
LLVM
85 lines
3.6 KiB
LLVM
; REQUIRES: object-emission
|
|
|
|
; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump -debug-dump=line - | FileCheck %s
|
|
; RUN: %llc_dwarf < %s -filetype=asm | FileCheck --check-prefix=ASM %s
|
|
|
|
; If multiple line tables are emitted, one per CU, those line tables can
|
|
; unambiguously rely on the comp_dir of their owning CU and use directory '0'
|
|
; to refer to it.
|
|
|
|
; CHECK: .debug_line contents:
|
|
; CHECK-NEXT: Line table prologue:
|
|
; CHECK-NOT: include_directories
|
|
; CHECK: file_names[ 1] 0 {{.*}} a.cpp
|
|
; CHECK-NOT: file_names
|
|
|
|
; CHECK: Line table prologue:
|
|
; CHECK-NOT: include_directories
|
|
; CHECK: file_names[ 1] 0 {{.*}} b.cpp
|
|
; CHECK-NOT: file_names
|
|
|
|
; However, if a single line table is emitted and shared between CUs, the
|
|
; comp_dir is ambiguous and relying on it would lead to different path
|
|
; interpretations depending on which CU lead to the table - so ensure that
|
|
; full paths are always emitted in this case, never comp_dir relative.
|
|
|
|
; ASM: .file 1 "/tmp/dbginfo/a{{[/\\]+}}a.cpp"
|
|
; ASM: .file 2 "/tmp/dbginfo/b{{[/\\]+}}b.cpp"
|
|
|
|
; Generated from the following source compiled to bitcode from within their
|
|
; respective directories (with debug info) and linked together with llvm-link
|
|
|
|
; a/a.cpp
|
|
; void func() {
|
|
; }
|
|
|
|
; b/b.cpp
|
|
; void func();
|
|
; int main() {
|
|
; func();
|
|
; }
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define void @_Z4funcv() #0 {
|
|
entry:
|
|
ret void, !dbg !19
|
|
}
|
|
|
|
; Function Attrs: uwtable
|
|
define i32 @main() #1 {
|
|
entry:
|
|
call void @_Z4funcv(), !dbg !20
|
|
ret i32 0, !dbg !21
|
|
}
|
|
|
|
attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
|
|
!llvm.dbg.cu = !{!0, !8}
|
|
!llvm.module.flags = !{!16, !17}
|
|
!llvm.ident = !{!18, !18}
|
|
|
|
!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
|
|
!1 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo/a")
|
|
!2 = !{}
|
|
!3 = !{!4}
|
|
!4 = !DISubprogram(name: "func", linkageName: "_Z4funcv", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: void ()* @_Z4funcv, variables: !2)
|
|
!5 = !DIFile(filename: "a.cpp", directory: "/tmp/dbginfo/a")
|
|
!6 = !DISubroutineType(types: !7)
|
|
!7 = !{null}
|
|
!8 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !9, enums: !2, retainedTypes: !2, subprograms: !10, globals: !2, imports: !2)
|
|
!9 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo/b")
|
|
!10 = !{!11}
|
|
!11 = !DISubprogram(name: "main", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !9, scope: !12, type: !13, function: i32 ()* @main, variables: !2)
|
|
!12 = !DIFile(filename: "b.cpp", directory: "/tmp/dbginfo/b")
|
|
!13 = !DISubroutineType(types: !14)
|
|
!14 = !{!15}
|
|
!15 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!16 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!17 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!18 = !{!"clang version 3.5.0 "}
|
|
!19 = !DILocation(line: 2, scope: !4)
|
|
!20 = !DILocation(line: 3, scope: !11)
|
|
!21 = !DILocation(line: 4, scope: !11)
|
|
|