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|
; RUN: llc --filetype=obj -o %t < %s
; RUN: llvm-dwarfdump --debug-info %t | FileCheck %s
; RUN: llvm-dwarfdump --verify %t
; This file was based on output of
;
; clang -target msp430 -S -emit-llvm -gdwarf-3 -Os dwarf-basics.c
;
; for the following dwarf-basics.c
;
; struct X {
; void *a;
; };
;
; int f(long y, struct X *p)
; {
; return 42;
; }
;
; CHECK: file format elf32-msp430
; CHECK: .debug_info contents:
; CHECK: Compile Unit: length = 0x{{.*}}, format = DWARF32, version = 0x0003, abbr_offset = 0x0000, addr_size = 0x02 (next unit at 0x{{.*}})
; CHECK: DW_TAG_compile_unit
; CHECK: DW_AT_producer ("clang version 11.0.0 (git@...)")
; CHECK: DW_AT_language (DW_LANG_C99)
; CHECK: DW_AT_name ("dwarf-basics.c")
; CHECK: DW_AT_stmt_list (0x{{.*}})
; CHECK: DW_AT_comp_dir ("/tmp")
; CHECK: DW_AT_low_pc (0x{{.*}})
; CHECK: DW_AT_high_pc (0x{{.*}})
; CHECK: DW_TAG_subprogram
; CHECK: DW_AT_low_pc (0x{{.*}})
; CHECK: DW_AT_high_pc (0x{{.*}})
; CHECK: DW_AT_frame_base (DW_OP_reg1 SPB)
; CHECK: DW_AT_name ("f")
; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")
; CHECK: DW_AT_decl_line (5)
; CHECK: DW_AT_prototyped (0x01)
; CHECK: DW_AT_type (0x{{.*}} "int")
; CHECK: DW_AT_external (0x01)
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_AT_location (0x{{.*}}:
; CHECK: [0x0000, 0x0004): DW_OP_reg12 R12B)
; CHECK: DW_AT_name ("y")
; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")
; CHECK: DW_AT_decl_line (5)
; CHECK: DW_AT_type (0x{{.*}} "long int")
; CHECK: DW_TAG_formal_parameter
; CHECK: DW_AT_location (DW_OP_reg14 R14B)
; CHECK: DW_AT_name ("p")
; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")
; CHECK: DW_AT_decl_line (5)
; CHECK: DW_AT_type (0x{{.*}} "X *")
; CHECK: NULL
; CHECK: DW_TAG_base_type
; CHECK: DW_AT_name ("int")
; CHECK: DW_AT_encoding (DW_ATE_signed)
; CHECK: DW_AT_byte_size (0x02)
; CHECK: DW_TAG_base_type
; CHECK: DW_AT_name ("long int")
; CHECK: DW_AT_encoding (DW_ATE_signed)
; CHECK: DW_AT_byte_size (0x04)
; CHECK: DW_TAG_pointer_type
; CHECK: DW_AT_type (0x{{.*}} "X")
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name ("X")
; CHECK: DW_AT_byte_size (0x02)
; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")
; CHECK: DW_AT_decl_line (1)
; CHECK: DW_TAG_member
; CHECK: DW_AT_name ("a")
; CHECK: DW_AT_type (0x{{.*}} "void *")
; CHECK: DW_AT_decl_file ("/tmp{{[/\\]}}dwarf-basics.c")
; CHECK: DW_AT_decl_line (2)
; CHECK: DW_AT_data_member_location (0)
; CHECK: NULL
; CHECK: DW_TAG_pointer_type
; CHECK: NULL
source_filename = "dwarf-basics.c"
target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16"
target triple = "msp430"
%struct.X = type { i8* }
define i16 @f(i32 %y, %struct.X* %p) !dbg !7 {
entry:
call void @llvm.dbg.value(metadata i32 %y, metadata !18, metadata !DIExpression()), !dbg !20
call void @llvm.dbg.value(metadata %struct.X* %p, metadata !19, metadata !DIExpression()), !dbg !20
ret i16 42, !dbg !21
}
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (git@...)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "dwarf-basics.c", directory: "/tmp")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 3}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 2}
!6 = !{!"clang version 11.0.0 (git@...)"}
!7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 5, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !17)
!8 = !DISubroutineType(types: !9)
!9 = !{!10, !11, !12}
!10 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
!11 = !DIBasicType(name: "long int", size: 32, encoding: DW_ATE_signed)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 16)
!13 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "X", file: !1, line: 1, size: 16, elements: !14)
!14 = !{!15}
!15 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !13, file: !1, line: 2, baseType: !16, size: 16)
!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 16)
!17 = !{!18, !19}
!18 = !DILocalVariable(name: "y", arg: 1, scope: !7, file: !1, line: 5, type: !11)
!19 = !DILocalVariable(name: "p", arg: 2, scope: !7, file: !1, line: 5, type: !12)
!20 = !DILocation(line: 0, scope: !7)
!21 = !DILocation(line: 7, column: 3, scope: !7)
|
