bolt/test/X86/call-zero.s

   1 # Verifies that llvm-bolt ignores function calls to 0.
   2
   3 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
   4 # RUN: %clang %cflags %t.o -o %t.exe
   5 # RUN: llvm-bolt %t.exe -o /dev/null -v=2 2>&1 | FileCheck %s
   6 # CHECK: Function main has a call to address zero.
   7
   8         .text
   9   .globl main
  10   .type main, %function
  11 main:
  12 # FDATA: 0 [unknown] 0 1 main 0 0 0
  13         .cfi_startproc
  14 .LBB00:
  15         pushq   %rbp
  16         .cfi_def_cfa_offset 16
  17         .cfi_offset %rbp, -16
  18         movq    %rsp, %rbp
  19         .cfi_def_cfa_register %rbp
  20         movl    $0x0, %eax
  21         testq   %rax, %rax
  22 .LBB00_br:      je      .Ltmp0
  23 # FDATA: 1 main #.LBB00_br# 1 main #.Ltmp0# 0 0
  24 # FDATA: 1 main #.LBB00_br# 1 main #.LFT0# 0 0
  25
  26 .LFT0:
  27         movl    $0x0, %eax
  28 .LFT0_br:       callq   0
  29 # FDATA: 1 main #.LFT0_br# 1 main #.Ltmp0# 0 0
  30
  31 .Ltmp0:
  32         movl    $0x0, %eax
  33         popq    %rbp
  34         .cfi_def_cfa %rsp, 8
  35         retq
  36
  37         .cfi_endproc
  38 .size main, .-main