bolt/test/X86/internal-call-instrument.s

## This reproduces a bug with instrumentation crashes on internal call

# REQUIRES: x86_64-linux,bolt-runtime,target=x86_64{{.*}}

# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
# Delete our BB symbols so BOLT doesn't mark them as entry points
# RUN: llvm-strip --strip-unneeded %t.o
# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q

# RUN: llvm-bolt --instrument %t.exe --relocs -o %t.out

  .text
  .globl _start
  .type _start, %function
  .p2align  4
_start:
  call main
  ret
  .size _start, .-_start

  .globl  main
  .type main, %function
  .p2align  4
main:
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x120,%rsp
  mov    $0x3,%rbx
  movq   rel(%rip), %rdi
.J1:
  cmp    $0x0,%rbx
  je     .J2
  callq  .J3
  nopl   (%rax,%rax,1)
  movabs $0xdeadbeef,%rax
  retq
.J2:
  add    $0x120,%rsp
  pop    %rbx
  pop    %r12
  jmp    .J4
.J3:
  pop    %rax
  add    $0x4,%rax
  dec    %rbx
  jmp    .J1
.J4:
  pop    %rbp
  retq
end:
  .size main, .-main

  .globl  _fini
  .type _fini, %function
  .p2align  4
_fini:
  hlt
  .size _fini, .-_fini

  .data
rel: .quad end