llvm/test/MC/COFF/cv-loc-unreachable-2.s

   1 # RUN: llvm-mc %s -triple=i686-pc-win32 -filetype=obj -o %t.obj
   2 # RUN: llvm-objdump --no-print-imm-hex -d %t.obj | FileCheck %s --check-prefix=ASM
   3 # RUN: llvm-pdbutil dump -il -symbols %t.obj | FileCheck %s --check-prefix=CODEVIEW
   4
   5 # Based on the other cv-loc-unreachable-2.s, but with other code in the same
   6 # section afterwards. We had negative label difference assertions when .cv_loc
   7 # bound tightly to the next instruction.
   8
   9 # ASM:      00000000 <_callit>:
  10 #   begin inline {
  11 # ASM-NEXT:        0: e8 00 00 00 00                calll   0x5 <_callit+0x5>
  12 # ASM-NEXT:        5: 85 c0                         testl   %eax, %eax
  13 # ASM-NEXT:        7: 75 01                         jne     0xa <_callit+0xa>
  14 #   } end inline
  15 # ASM-NEXT:        9: c3                            retl
  16 #   begin inline {
  17 # ASM-NEXT:        a: 6a 20                         pushl   $32
  18 # ASM-NEXT:        c: ff 15 00 00 00 00             calll   *0
  19 #   } end inline
  20
  21 # CODEVIEW: Inlinee |  Line | Source File
  22 # CODEVIEW:  0x1002 |     3 | C:\src\llvm-project\build\t.cpp (MD5: 0BC092F354CE14FDC2FA78F8EDE7426E)
  23
  24 # CODEVIEW:      S_INLINESITE [size = 26]
  25 # CODEVIEW-NEXT: inlinee = 0x1002 (do_exit), parent = 0, end = 0
  26 # CODEVIEW-NEXT:   0B20      code 0x0 (+0x0) line 1 (+1)
  27 # CODEVIEW-NEXT:   0409      code end 0x9 (+0x9)
  28 # CODEVIEW-NEXT:   0B21      code 0xA (+0x1) line 2 (+1)
  29 # CODEVIEW-NEXT:   0B28      code 0x12 (+0x8) line 3 (+1)
  30 # CODEVIEW-NEXT:   0400      code end 0x12 (+0x0)
  31
  32         .text
  33         .def     _callit; .scl  2; .type        32; .endef
  34         .globl  _callit                 # -- Begin function callit
  35 _callit:                                # @callit
  36 Lfunc_begin0:
  37         .cv_func_id 0
  38         .cv_fpo_proc    _callit 0
  39 # %bb.0:                                # %entry
  40         .cv_file        1 "C:\\src\\llvm-project\\build\\t.cpp" "0BC092F354CE14FDC2FA78F8EDE7426E" 1
  41         .cv_inline_site_id 1 within 0 inlined_at 1 9 0
  42         .cv_loc 1 1 4 0 is_stmt 0       # t.cpp:4:0
  43         calll   _unlikely
  44         testl   %eax, %eax
  45         jne     LBB0_1
  46 Ltmp0:
  47 # %bb.2:                                # %do_exit.exit
  48         .cv_loc 0 1 10 0                # t.cpp:10:0
  49         retl
  50 LBB0_1:                                 # %if.then.i
  51 Ltmp1:
  52         .cv_loc 1 1 5 0                 # t.cpp:5:0
  53         pushl   $32
  54         calll   *__imp__exit
  55         # EXTRA
  56         .cv_loc 1 1 6 0                 # t.cpp:6:0
  57 Ltmp2:
  58         .cv_fpo_endproc
  59 Lfunc_end0:
  60                                         # -- End function
  61
  62         .text
  63         .align 32
  64         retl
  65
  66         .section        .debug$S,"dr"
  67         .p2align        2
  68         .long   4                       # Debug section magic
  69         .long   241
  70         .long   Ltmp4-Ltmp3             # Subsection size
  71 Ltmp3:
  72         .short  Ltmp6-Ltmp5             # Record length
  73 Ltmp5:
  74         .short  4412                    # Record kind: S_COMPILE3
  75         .long   0                       # Flags and language
  76         .short  7                       # CPUType
  77         .short  7                       # Frontend version
  78         .short  0
  79         .short  0
  80         .short  0
  81         .short  7000                    # Backend version
  82         .short  0
  83         .short  0
  84         .short  0
  85         .asciz  "clang version 7.0.0 "  # Null-terminated compiler version string
  86 Ltmp6:
  87 Ltmp4:
  88         .p2align        2
  89         .long   246                     # Inlinee lines subsection
  90         .long   Ltmp8-Ltmp7             # Subsection size
  91 Ltmp7:
  92         .long   0                       # Inlinee lines signature
  93
  94                                         # Inlined function do_exit starts at t.cpp:3
  95         .long   4098                    # Type index of inlined function
  96         .cv_filechecksumoffset  1       # Offset into filechecksum table
  97         .long   3                       # Starting line number
  98 Ltmp8:
  99         .p2align        2
 100         .cv_fpo_data    _callit
 101         .long   241                     # Symbol subsection for callit
 102         .long   Ltmp10-Ltmp9            # Subsection size
 103 Ltmp9:
 104         .short  Ltmp12-Ltmp11           # Record length
 105 Ltmp11:
 106         .short  4423                    # Record kind: S_GPROC32_ID
 107         .long   0                       # PtrParent
 108         .long   0                       # PtrEnd
 109         .long   0                       # PtrNext
 110         .long   Lfunc_end0-_callit      # Code size
 111         .long   0                       # Offset after prologue
 112         .long   0                       # Offset before epilogue
 113         .long   4099                    # Function type index
 114         .secrel32       _callit         # Function section relative address
 115         .secidx _callit                 # Function section index
 116         .byte   0                       # Flags
 117         .asciz  "callit"                # Function name
 118 Ltmp12:
 119         .short  Ltmp14-Ltmp13           # Record length
 120 Ltmp13:
 121         .short  4429                    # Record kind: S_INLINESITE
 122         .long   0                       # PtrParent
 123         .long   0                       # PtrEnd
 124         .long   4098                    # Inlinee type index
 125         .cv_inline_linetable    1 1 3 Lfunc_begin0 Lfunc_end0
 126 Ltmp14:
 127         .short  2                       # Record length
 128         .short  4430                    # Record kind: S_INLINESITE_END
 129         .short  2                       # Record length
 130         .short  4431                    # Record kind: S_PROC_ID_END
 131 Ltmp10:
 132         .p2align        2
 133         .cv_linetable   0, _callit, Lfunc_end0
 134         .cv_filechecksums               # File index to string table offset subsection
 135         .cv_stringtable                 # String table
 136         .section        .debug$T,"dr"
 137         .p2align        2
 138         .long   4                       # Debug section magic
 139         # ArgList (0x1000) {
 140         #   TypeLeafKind: LF_ARGLIST (0x1201)
 141         #   NumArgs: 0
 142         #   Arguments [
 143         #   ]
 144         # }
 145         .byte   0x06, 0x00, 0x01, 0x12
 146         .byte   0x00, 0x00, 0x00, 0x00
 147         # Procedure (0x1001) {
 148         #   TypeLeafKind: LF_PROCEDURE (0x1008)
 149         #   ReturnType: void (0x3)
 150         #   CallingConvention: NearC (0x0)
 151         #   FunctionOptions [ (0x0)
 152         #   ]
 153         #   NumParameters: 0
 154         #   ArgListType: () (0x1000)
 155         # }
 156         .byte   0x0e, 0x00, 0x08, 0x10
 157         .byte   0x03, 0x00, 0x00, 0x00
 158         .byte   0x00, 0x00, 0x00, 0x00
 159         .byte   0x00, 0x10, 0x00, 0x00
 160         # FuncId (0x1002) {
 161         #   TypeLeafKind: LF_FUNC_ID (0x1601)
 162         #   ParentScope: 0x0
 163         #   FunctionType: void () (0x1001)
 164         #   Name: do_exit
 165         # }
 166         .byte   0x12, 0x00, 0x01, 0x16
 167         .byte   0x00, 0x00, 0x00, 0x00
 168         .byte   0x01, 0x10, 0x00, 0x00
 169         .byte   0x64, 0x6f, 0x5f, 0x65
 170         .byte   0x78, 0x69, 0x74, 0x00
 171         # FuncId (0x1003) {
 172         #   TypeLeafKind: LF_FUNC_ID (0x1601)
 173         #   ParentScope: 0x0
 174         #   FunctionType: void () (0x1001)
 175         #   Name: callit
 176         # }
 177         .byte   0x12, 0x00, 0x01, 0x16
 178         .byte   0x00, 0x00, 0x00, 0x00
 179         .byte   0x01, 0x10, 0x00, 0x00
 180         .byte   0x63, 0x61, 0x6c, 0x6c
 181         .byte   0x69, 0x74, 0x00, 0xf1
 182