Home | History | Annotate | Download | only in X86
      1 ; RUN: llc -O0 %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t
      2 ; RUN: llvm-dwarfdump %t | FileCheck %s
      3 ; RUN: llc -O0 %s -mtriple=x86_64-apple-darwin -filetype=obj -o %t -dwarf-version=3
      4 ; RUN: llvm-dwarfdump %t | FileCheck %s -check-prefix=DWARF3
      5 ; RUN: llc < %s -O0 -mtriple=x86_64-apple-macosx10.7 | FileCheck %s -check-prefix=ASM
      6 
      7 ; rdar://13067005
      8 ; CHECK: .debug_info contents:
      9 ; CHECK: DW_TAG_compile_unit
     10 ; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset]   (0x00000000)
     11 ; CHECK: DW_AT_low_pc [DW_FORM_addr]            (0x0000000000000000)
     12 ; CHECK: DW_AT_high_pc [DW_FORM_data4]          (0x00000010)
     13 ; CHECK: DW_TAG_subprogram
     14 ; CHECK: DW_AT_low_pc [DW_FORM_addr]            (0x0000000000000000)
     15 ; CHECK: DW_AT_high_pc [DW_FORM_data4]          (0x00000010)
     16 
     17 ; CHECK: DW_TAG_compile_unit
     18 ; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset]   (0x0000003c)
     19 ; CHECK: DW_AT_low_pc [DW_FORM_addr]            (0x0000000000000010)
     20 ; CHECK: DW_AT_high_pc [DW_FORM_data4]          (0x00000009)
     21 ; CHECK: DW_TAG_subprogram
     22 ; CHECK: DW_AT_low_pc [DW_FORM_addr]            (0x0000000000000010)
     23 ; CHECK: DW_AT_high_pc [DW_FORM_data4]          (0x00000009)
     24 
     25 
     26 ; CHECK: .debug_line contents:
     27 ; CHECK-NEXT: Line table prologue:
     28 ; CHECK-NEXT: total_length: 0x00000038
     29 ; CHECK: file_names[  1]    0 0x00000000 0x00000000 simple.c
     30 ; CHECK: Line table prologue:
     31 ; CHECK-NEXT: total_length: 0x00000039
     32 ; CHECK: file_names[  1]    0 0x00000000 0x00000000 simple2.c
     33 ; CHECK-NOT: file_names
     34 
     35 ; DWARF3: .debug_info contents:
     36 ; DWARF3: DW_TAG_compile_unit
     37 ; DWARF3: DW_AT_stmt_list [DW_FORM_data4]    (0x00000000)
     38 
     39 ; DWARF3: DW_TAG_compile_unit
     40 ; DWARF3: DW_AT_stmt_list [DW_FORM_data4]   (0x0000003c)
     41 
     42 
     43 ; DWARF3: .debug_line contents:
     44 ; DWARF3-NEXT: Line table prologue:
     45 ; DWARF3-NEXT: total_length: 0x00000038
     46 ; DWARF3: file_names[  1]    0 0x00000000 0x00000000 simple.c
     47 ; DWARF3: Line table prologue:
     48 ; DWARF3-NEXT: total_length: 0x00000039
     49 ; DWARF3: file_names[  1]    0 0x00000000 0x00000000 simple2.c
     50 ; DWARF3-NOT: file_names
     51 
     52 ; PR15408
     53 ; ASM: L__DWARF__debug_info_begin0:
     54 ; ASM: Lset3 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
     55 ; ASM-NEXT: .long   Lset3
     56 ; ASM: L__DWARF__debug_info_begin1:
     57 ; ASM: Lset13 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
     58 ; ASM-NEXT: .long   Lset13
     59 define i32 @test(i32 %a) nounwind uwtable ssp {
     60 entry:
     61   %a.addr = alloca i32, align 4
     62   store i32 %a, i32* %a.addr, align 4
     63   call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !15), !dbg !16
     64   %0 = load i32* %a.addr, align 4, !dbg !17
     65   %call = call i32 @fn(i32 %0), !dbg !17
     66   ret i32 %call, !dbg !17
     67 }
     68 
     69 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
     70 
     71 define i32 @fn(i32 %a) nounwind uwtable ssp {
     72 entry:
     73   %a.addr = alloca i32, align 4
     74   store i32 %a, i32* %a.addr, align 4
     75   call void @llvm.dbg.declare(metadata !{i32* %a.addr}, metadata !19), !dbg !20
     76   %0 = load i32* %a.addr, align 4, !dbg !21
     77   ret i32 %0, !dbg !21
     78 }
     79 
     80 !llvm.dbg.cu = !{!0, !10}
     81 !llvm.module.flags = !{!25}
     82 !0 = metadata !{i32 786449, metadata !23, i32 12, metadata !"clang version 3.3", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1,  metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
     83 !1 = metadata !{}
     84 !3 = metadata !{metadata !5}
     85 !5 = metadata !{i32 786478, metadata !23, metadata !6, metadata !"test", metadata !"test", metadata !"", i32 2, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @test, null, null, metadata !1, i32 3} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 3] [test]
     86 !6 = metadata !{i32 786473, metadata !23} ; [ DW_TAG_file_type ]
     87 !7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
     88 !8 = metadata !{metadata !9, metadata !9}
     89 !9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
     90 !10 = metadata !{i32 786449, metadata !24, i32 12, metadata !"clang version 3.3 (trunk 172862)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !11, metadata !1,  metadata !1, metadata !"", i32 1} ; [ DW_TAG_compile_unit ]
     91 !11 = metadata !{metadata !13}
     92 !13 = metadata !{i32 786478, metadata !24, metadata !14, metadata !"fn", metadata !"fn", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @fn, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [fn]
     93 !14 = metadata !{i32 786473, metadata !24} ; [ DW_TAG_file_type ]
     94 !15 = metadata !{i32 786689, metadata !5, metadata !"a", metadata !6, i32 16777218, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 2]
     95 !16 = metadata !{i32 2, i32 0, metadata !5, null}
     96 !17 = metadata !{i32 4, i32 0, metadata !18, null}
     97 !18 = metadata !{i32 786443, metadata !23, metadata !5, i32 3, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
     98 !19 = metadata !{i32 786689, metadata !13, metadata !"a", metadata !14, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 1]
     99 !20 = metadata !{i32 1, i32 0, metadata !13, null}
    100 !21 = metadata !{i32 2, i32 0, metadata !22, null}
    101 !22 = metadata !{i32 786443, metadata !24, metadata !13, i32 1, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
    102 !23 = metadata !{metadata !"simple.c", metadata !"/private/tmp"}
    103 !24 = metadata !{metadata !"simple2.c", metadata !"/private/tmp"}
    104 !25 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
    105