test/tools/llvm-cfi-verify/X86/Inputs/unprotected-nolineinfo.s

   1 # Source (tiny.cc):
   2 #   void a() {}
   3 #   void b() {}
   4 #   int main(int argc, char** argv) {
   5 #     void(*ptr)();
   6 #     if (argc == 1)
   7 #       ptr = &a;
   8 #     else
   9 #       ptr = &b;
  10 #     ptr();
  11 #   }
  12 # Compile with:
  13 #    clang++ tiny.cc -S -o tiny.s
  14
  15   .text
  16   .file "tiny.cc"
  17   .globl  _Z1av                   # -- Begin function _Z1av
  18   .p2align  4, 0x90
  19   .type _Z1av,@function
  20 _Z1av:                                  # @_Z1av
  21   .cfi_startproc
  22 # %bb.0:
  23   pushq %rbp
  24   .cfi_def_cfa_offset 16
  25   .cfi_offset %rbp, -16
  26   movq  %rsp, %rbp
  27   .cfi_def_cfa_register %rbp
  28   popq  %rbp
  29   retq
  30 .Lfunc_end0:
  31   .size _Z1av, .Lfunc_end0-_Z1av
  32   .cfi_endproc
  33                                         # -- End function
  34   .globl  _Z1bv                   # -- Begin function _Z1bv
  35   .p2align  4, 0x90
  36   .type _Z1bv,@function
  37 _Z1bv:                                  # @_Z1bv
  38   .cfi_startproc
  39 # %bb.0:
  40   pushq %rbp
  41   .cfi_def_cfa_offset 16
  42   .cfi_offset %rbp, -16
  43   movq  %rsp, %rbp
  44   .cfi_def_cfa_register %rbp
  45   popq  %rbp
  46   retq
  47 .Lfunc_end1:
  48   .size _Z1bv, .Lfunc_end1-_Z1bv
  49   .cfi_endproc
  50                                         # -- End function
  51   .globl  main                    # -- Begin function main
  52   .p2align  4, 0x90
  53   .type main,@function
  54 main:                                   # @main
  55   .cfi_startproc
  56 # %bb.0:
  57   pushq %rbp
  58   .cfi_def_cfa_offset 16
  59   .cfi_offset %rbp, -16
  60   movq  %rsp, %rbp
  61   .cfi_def_cfa_register %rbp
  62   subq  $32, %rsp
  63   movl  $0, -4(%rbp)
  64   movl  %edi, -8(%rbp)
  65   movq  %rsi, -16(%rbp)
  66   cmpl  $1, -8(%rbp)
  67   jne .LBB2_2
  68 # %bb.1:
  69   movabsq $_Z1av, %rax
  70   movq  %rax, -24(%rbp)
  71   jmp .LBB2_3
  72 .LBB2_2:
  73   movabsq $_Z1bv, %rax
  74   movq  %rax, -24(%rbp)
  75 .LBB2_3:
  76   callq *-24(%rbp)
  77   movl  -4(%rbp), %eax
  78   addq  $32, %rsp
  79   popq  %rbp
  80   retq
  81 .Lfunc_end2:
  82   .size main, .Lfunc_end2-main
  83   .cfi_endproc
  84                                         # -- End function
  85
  86   .ident  "clang version 6.0.0 (trunk 316774)"
  87   .section  ".note.GNU-stack","",@progbits