bolt/test/X86/cfi-instrs-count.s

   1 # Check that llvm-bolt is able to read a file with DWARF Exception CFI
   2 # information and annotate this into a disassembled function.
   3
   4 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
   5 # RUN: %clang %cflags %t.o -o %t.exe
   6 # RUN: llvm-bolt %t.exe -o /dev/null --print-cfg 2>&1 | FileCheck %s
   7 #
   8 # CHECK:  Binary Function "_Z7catchitv" after building cfg {
   9 # CHECK:    CFI Instrs  : 6
  10 # CHECK:  }
  11 # CHECK:  DWARF CFI Instructions:
  12 # CHECK:      0:   OpDefCfaOffset
  13 # CHECK:      1:   OpOffset
  14 # CHECK:      2:   OpDefCfaRegister
  15 # CHECK:      3:   OpOffset
  16 # CHECK:      4:   OpOffset
  17 # CHECK:      5:   OpDefCfa
  18 # CHECK:  End of Function "_Z7catchitv"
  19
  20         .text
  21   .globl main
  22   .type main, %function
  23 main:
  24 # FDATA: 0 [unknown] 0 1 main 0 0 0
  25         .cfi_startproc
  26 .LBB000:
  27         pushq   %rbp
  28         .cfi_def_cfa_offset 16
  29         .cfi_offset %rbp, -16
  30         movq    %rsp, %rbp
  31         .cfi_def_cfa_register %rbp
  32         movl    $0x400c4c, %esi
  33         movl    $0x6012e0, %edi
  34         callq   _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
  35         movl    $0x400908, %esi
  36         movq    %rax, %rdi
  37         callq   _ZNSolsEPFRSoS_E@PLT
  38         callq   _Z7catchitv
  39         movl    $0x0, %eax
  40         leave
  41         .cfi_def_cfa %rsp, 8
  42         retq
  43
  44         .cfi_endproc
  45 .size main, .-main
  46
  47   .globl _Z7catchitv
  48   .type _Z7catchitv, %function
  49 _Z7catchitv:
  50 # FDATA: 0 [unknown] 0 1 _Z7catchitv 0 0 0
  51         .cfi_startproc
  52 .LBB00:
  53         pushq   %rbp
  54         .cfi_def_cfa_offset 16
  55         .cfi_offset %rbp, -16
  56         movq    %rsp, %rbp
  57         .cfi_def_cfa_register %rbp
  58         pushq   %r12
  59         pushq   %rbx
  60         subq    $0x10, %rsp
  61         .cfi_offset %rbx, -32
  62         .cfi_offset %r12, -24
  63         callq   _Z5raisev
  64 .LBB00_br:      jmp     .Ltmp0
  65 # FDATA: 1 _Z7catchitv #.LBB00_br# 1 _Z7catchitv #.Ltmp0# 0 0
  66
  67 .LLP0:
  68         cmpq    $0x1, %rdx
  69 .LLP0_br:       je      .Ltmp1
  70 # FDATA: 1 _Z7catchitv #.LLP0_br# 1 _Z7catchitv #.Ltmp1# 0 0
  71 # FDATA: 1 _Z7catchitv #.LLP0_br# 1 _Z7catchitv #.LFT0# 0 0
  72
  73 .LFT0:
  74         movq    %rax, %rdi
  75 .LFT0_br:       callq   _Unwind_Resume@PLT
  76 # FDATA: 1 _Z7catchitv #.LFT0_br# 1 _Z7catchitv #.Ltmp1# 0 0
  77
  78 .Ltmp1:
  79         movq    %rax, %rdi
  80         callq   __cxa_begin_catch@PLT
  81         movq    %rax, -0x18(%rbp)
  82         movl    $0x400c40, %esi
  83         movl    $0x6012e0, %edi
  84         callq   _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
  85 .Ltmp1_br:      jmp     .Ltmp2
  86 # FDATA: 1 _Z7catchitv #.Ltmp1_br# 1 _Z7catchitv #.Ltmp2# 0 0
  87
  88 .LLP1:
  89         movl    %edx, %ebx
  90         movq    %rax, %r12
  91         callq   __cxa_end_catch@PLT
  92         movq    %r12, %rax
  93         movslq  %ebx, %rdx
  94         movq    %rax, %rdi
  95 .LLP1_br:       callq   _Unwind_Resume@PLT
  96 # FDATA: 1 _Z7catchitv #.LLP1_br# 1 _Z7catchitv #.Ltmp2# 0 0
  97
  98 .Ltmp2:
  99 .Ltmp2_br:      callq   __cxa_end_catch@PLT
 100 # FDATA: 1 _Z7catchitv #.Ltmp2_br# 1 _Z7catchitv #.Ltmp0# 0 0
 101
 102 .Ltmp0:
 103         addq    $0x10, %rsp
 104         popq    %rbx
 105         popq    %r12
 106         leave
 107         .cfi_def_cfa %rsp, 8
 108         retq
 109
 110         .cfi_endproc
 111 .size _Z7catchitv, .-_Z7catchitv