void fn3() {
  asm("\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n"
      "\tnop\t\nnop\t\nnop\t\nnop\n\tnop\t\nnop\t\nnop\t\nnop\n");
}


x86 assembly (clang, -O0):
<fn3>:
push   %rbp
mov    %rsp,%rbp
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
pop    %rbp
ret

x86 assembly (clang, -O2):
<fn3>:
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
ret

LLVM IR (-O0):
define void @fn3() {
ret void
}

LLVM IR (-O2):
define void @fn3() {
tail call void asm sideeffect "\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A\09nop\09\0Anop\09\0Anop\09\0Anop\0A", "~{dirflag},~{fpsr},~{flags}"()
ret void
}