bolt/test/X86/Inputs/jump_table_footprint_reduction.s

   1         .text
   2   .globl main
   3   .type main, %function
   4 main:
   5 # FDATA: 0 [unknown] 0 1 main 0 0 1
   6         .cfi_startproc
   7 LBB00:
   8         subq    $0x8, %rsp
   9         .cfi_def_cfa_offset 16
  10         movl    $Input, %esi
  11         movl    $SYMBOLat0x4006c4, %edi
  12         xorl    %eax, %eax
  13         movl    $0x0, Input(%rip)
  14         callq   scanf@PLT
  15         movl    Input(%rip), %edx
  16         movl    $0xf4240, %eax
  17 LBB00_br:       movl    %edx, %esi
  18 # FDATA: 1 main #LBB00_br# 1 main #Ltmp9# 0 0
  19
  20 Ltmp9:
  21         cmpl    $0x8, %edx
  22 Ltmp9_br:       ja      Ltmp0
  23 # FDATA: 1 main #Ltmp9_br# 1 main #Ltmp0# 0 0
  24 # FDATA: 1 main #Ltmp9_br# 1 main #LFT0# 0 40
  25
  26 LFT0:
  27         movl    %edx, %ecx
  28 LFT0_br:        jmpq    *"JUMP_TABLE/main.0"(,%rcx,8)
  29 # FDATA: 1 main #LFT0_br# 1 main #Ltmp8# 0 0
  30 # FDATA: 1 main #LFT0_br# 1 main #Ltmp7# 0 0
  31 # FDATA: 1 main #LFT0_br# 1 main #Ltmp3# 0 0
  32 # FDATA: 1 main #LFT0_br# 1 main #Ltmp2# 0 40
  33 # FDATA: 1 main #LFT0_br# 1 main #Ltmp1# 0 0
  34 # FDATA: 1 main #LFT0_br# 1 main #Ltmp5# 0 0
  35 # FDATA: 1 main #LFT0_br# 1 main #Ltmp4# 0 0
  36 # FDATA: 1 main #LFT0_br# 1 main #Ltmp6# 0 0
  37 # FDATA: 1 main #LFT0_br# 1 main #Ltmp0# 0 0
  38
  39 Ltmp8:
  40 Ltmp8_br:       addl    $0xa, %esi
  41 # FDATA: 1 main #Ltmp8_br# 1 main #Ltmp10# 0 0
  42
  43 Ltmp10:
  44         subl    $0x1, %eax
  45 Ltmp10_br:      jne     Ltmp9
  46 # FDATA: 1 main #Ltmp10_br# 1 main #Ltmp9# 0 45
  47 # FDATA: 1 main #Ltmp10_br# 1 main #LFT1# 0 0
  48
  49 LFT1:
  50         movl    $SYMBOLat0x4006c7, %edi
  51         xorl    %eax, %eax
  52         movl    %esi, Value(%rip)
  53         callq   printf@PLT
  54         xorl    %eax, %eax
  55         addq    $0x8, %rsp
  56         .cfi_def_cfa_offset 8
  57         retq
  58         .cfi_def_cfa %rsp, 16
  59
  60 Ltmp7:
  61         addl    $0x9, %esi
  62 Ltmp7_br:       jmp     Ltmp10
  63 # FDATA: 1 main #Ltmp7_br# 1 main #Ltmp10# 0 0
  64
  65 Ltmp3:
  66         addl    $0x5, %esi
  67 Ltmp3_br:       jmp     Ltmp10
  68 # FDATA: 1 main #Ltmp3_br# 1 main #Ltmp10# 0 0
  69
  70 Ltmp2:
  71         addl    $0x4, %esi
  72 Ltmp2_br:       jmp     Ltmp10
  73 # FDATA: 1 main #Ltmp2_br# 1 main #Ltmp10# 0 43
  74
  75 Ltmp1:
  76         addl    $0x3, %esi
  77 Ltmp1_br:       jmp     Ltmp10
  78 # FDATA: 1 main #Ltmp1_br# 1 main #Ltmp10# 0 0
  79
  80 Ltmp5:
  81         addl    $0x7, %esi
  82 Ltmp5_br:       jmp     Ltmp10
  83 # FDATA: 1 main #Ltmp5_br# 1 main #Ltmp10# 0 0
  84
  85 Ltmp4:
  86         addl    $0x6, %esi
  87 Ltmp4_br:       jmp     Ltmp10
  88 # FDATA: 1 main #Ltmp4_br# 1 main #Ltmp10# 0 0
  89
  90 Ltmp6:
  91         addl    $0x8, %esi
  92 Ltmp6_br:       jmp     Ltmp10
  93 # FDATA: 1 main #Ltmp6_br# 1 main #Ltmp10# 0 0
  94
  95 Ltmp0:
  96         addl    $0x2, %esi
  97 Ltmp0_br:       jmp     Ltmp10
  98 # FDATA: 1 main #Ltmp0_br# 1 main #Ltmp10# 0 0
  99
 100         .cfi_endproc
 101 .size main, .-main
 102 # Jump tables
 103 .section .rodata
 104 "JUMP_TABLE/main.0":
 105         .quad   Ltmp0
 106         .quad   Ltmp1
 107         .quad   Ltmp2
 108         .quad   Ltmp3
 109         .quad   Ltmp4
 110         .quad   Ltmp5
 111         .quad   Ltmp6
 112         .quad   Ltmp7
 113         .quad   Ltmp8
 114
 115 # BinaryData
 116 "SYMBOLat0x4006c4":
 117 "SYMBOLat0x4006c7":
 118 .section .bss
 119 "Value":
 120 "Input":