#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
unsigned int __builtin_inb(int);
int /*<<< orphan*/ __builtin_outb(unsigned int, int);
void main(void) {
  unsigned int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v,
      w, x, y, z;
  a = __builtin_inb(0xab);
  b = __builtin_inb(0xab);
  c = __builtin_inb(0xab);
  d = __builtin_inb(0xab);
  e = __builtin_inb(0xab);
  f = __builtin_inb(0xab);
  g = __builtin_inb(0xab);
  h = __builtin_inb(0xab);
  i = __builtin_inb(0xab);
  j = __builtin_inb(0xab);
  k = __builtin_inb(0xab);
  l = __builtin_inb(0xab);
  m = __builtin_inb(0xab);
  n = __builtin_inb(0xab);
  o = __builtin_inb(0xab);
  p = __builtin_inb(0xab);
  q = __builtin_inb(0xab);
  r = __builtin_inb(0xab);
  s = __builtin_inb(0xab);
  t = __builtin_inb(0xab);
  u = __builtin_inb(0xab);
  v = __builtin_inb(0xab);
  w = __builtin_inb(0xab);
  x = __builtin_inb(0xab);
  y = __builtin_inb(0xab);
  z = __builtin_inb(0xab);
  __builtin_outb(w, 0xab);
  __builtin_outb(v, 0xab);
  __builtin_outb(u, 0xab);
  __builtin_outb(t, 0xab);
  __builtin_outb(s, 0xab);
  __builtin_outb(r, 0xab);
  __builtin_outb(q, 0xab);
  __builtin_outb(p, 0xab);
  __builtin_outb(o, 0xab);
  __builtin_outb(n, 0xab);
  __builtin_outb(m, 0xab);
  __builtin_outb(l, 0xab);
  __builtin_outb(k, 0xab);
  __builtin_outb(j, 0xab);
  __builtin_outb(i, 0xab);
  __builtin_outb(h, 0xab);
  __builtin_outb(g, 0xab);
  __builtin_outb(f, 0xab);
  __builtin_outb(e, 0xab);
  __builtin_outb(d, 0xab);
  __builtin_outb(c, 0xab);
  __builtin_outb(b, 0xab);
  __builtin_outb(a, 0xab);
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x70,%rsp
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x4(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x8(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0xc(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x10(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x14(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x18(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x1c(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x20(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x24(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x28(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x2c(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x30(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x34(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x38(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x3c(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x40(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x44(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x48(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x4c(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x50(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x54(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x58(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x5c(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x60(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x64(%rbp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,-0x68(%rbp)
mov    -0x5c(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x58(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x54(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x50(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x4c(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x48(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x44(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x40(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x3c(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x38(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x34(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x30(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x2c(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x28(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x24(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x20(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x1c(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x18(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x14(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x10(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0xc(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x8(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    -0x4(%rbp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
add    $0x70,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x48,%rsp
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x44(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x40(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x3c(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x38(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x34(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x30(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x2c(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x28(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x24(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x20(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x1c(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x18(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x14(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x10(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0xc(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x8(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,0x4(%rsp)
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%ebp
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%r14d
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%r15d
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%r12d
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%r13d
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %eax,%ebx
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    $0xab,%edi
call   1030 <__builtin_inb@plt>
mov    %ebx,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    %r13d,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    %r12d,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    %r15d,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    %r14d,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    %ebp,%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x4(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x8(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0xc(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x10(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x14(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x18(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x1c(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x20(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x24(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x28(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x2c(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x30(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x34(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x38(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x3c(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x40(%rsp),%edi
mov    $0xab,%esi
call   1040 <__builtin_outb@plt>
mov    0x44(%rsp),%edi
mov    $0xab,%esi
add    $0x48,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
jmp    1040 <__builtin_outb@plt>

LLVM IR (-O0):
define void @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
%9 = alloca i32
%10 = alloca i32
%11 = alloca i32
%12 = alloca i32
%13 = alloca i32
%14 = alloca i32
%15 = alloca i32
%16 = alloca i32
%17 = alloca i32
%18 = alloca i32
%19 = alloca i32
%20 = alloca i32
%21 = alloca i32
%22 = alloca i32
%23 = alloca i32
%24 = alloca i32
%25 = alloca i32
%26 = alloca i32
%27 = call i32 @__builtin_inb(i32 171)
store i32 %27, i32* %1
%28 = call i32 @__builtin_inb(i32 171)
store i32 %28, i32* %2
%29 = call i32 @__builtin_inb(i32 171)
store i32 %29, i32* %3
%30 = call i32 @__builtin_inb(i32 171)
store i32 %30, i32* %4
%31 = call i32 @__builtin_inb(i32 171)
store i32 %31, i32* %5
%32 = call i32 @__builtin_inb(i32 171)
store i32 %32, i32* %6
%33 = call i32 @__builtin_inb(i32 171)
store i32 %33, i32* %7
%34 = call i32 @__builtin_inb(i32 171)
store i32 %34, i32* %8
%35 = call i32 @__builtin_inb(i32 171)
store i32 %35, i32* %9
%36 = call i32 @__builtin_inb(i32 171)
store i32 %36, i32* %10
%37 = call i32 @__builtin_inb(i32 171)
store i32 %37, i32* %11
%38 = call i32 @__builtin_inb(i32 171)
store i32 %38, i32* %12
%39 = call i32 @__builtin_inb(i32 171)
store i32 %39, i32* %13
%40 = call i32 @__builtin_inb(i32 171)
store i32 %40, i32* %14
%41 = call i32 @__builtin_inb(i32 171)
store i32 %41, i32* %15
%42 = call i32 @__builtin_inb(i32 171)
store i32 %42, i32* %16
%43 = call i32 @__builtin_inb(i32 171)
store i32 %43, i32* %17
%44 = call i32 @__builtin_inb(i32 171)
store i32 %44, i32* %18
%45 = call i32 @__builtin_inb(i32 171)
store i32 %45, i32* %19
%46 = call i32 @__builtin_inb(i32 171)
store i32 %46, i32* %20
%47 = call i32 @__builtin_inb(i32 171)
store i32 %47, i32* %21
%48 = call i32 @__builtin_inb(i32 171)
store i32 %48, i32* %22
%49 = call i32 @__builtin_inb(i32 171)
store i32 %49, i32* %23
%50 = call i32 @__builtin_inb(i32 171)
store i32 %50, i32* %24
%51 = call i32 @__builtin_inb(i32 171)
store i32 %51, i32* %25
%52 = call i32 @__builtin_inb(i32 171)
store i32 %52, i32* %26
%53 = load i32, i32* %23
%54 = call i32 @__builtin_outb(i32 %53, i32 171)
%55 = load i32, i32* %22
%56 = call i32 @__builtin_outb(i32 %55, i32 171)
%57 = load i32, i32* %21
%58 = call i32 @__builtin_outb(i32 %57, i32 171)
%59 = load i32, i32* %20
%60 = call i32 @__builtin_outb(i32 %59, i32 171)
%61 = load i32, i32* %19
%62 = call i32 @__builtin_outb(i32 %61, i32 171)
%63 = load i32, i32* %18
%64 = call i32 @__builtin_outb(i32 %63, i32 171)
%65 = load i32, i32* %17
%66 = call i32 @__builtin_outb(i32 %65, i32 171)
%67 = load i32, i32* %16
%68 = call i32 @__builtin_outb(i32 %67, i32 171)
%69 = load i32, i32* %15
%70 = call i32 @__builtin_outb(i32 %69, i32 171)
%71 = load i32, i32* %14
%72 = call i32 @__builtin_outb(i32 %71, i32 171)
%73 = load i32, i32* %13
%74 = call i32 @__builtin_outb(i32 %73, i32 171)
%75 = load i32, i32* %12
%76 = call i32 @__builtin_outb(i32 %75, i32 171)
%77 = load i32, i32* %11
%78 = call i32 @__builtin_outb(i32 %77, i32 171)
%79 = load i32, i32* %10
%80 = call i32 @__builtin_outb(i32 %79, i32 171)
%81 = load i32, i32* %9
%82 = call i32 @__builtin_outb(i32 %81, i32 171)
%83 = load i32, i32* %8
%84 = call i32 @__builtin_outb(i32 %83, i32 171)
%85 = load i32, i32* %7
%86 = call i32 @__builtin_outb(i32 %85, i32 171)
%87 = load i32, i32* %6
%88 = call i32 @__builtin_outb(i32 %87, i32 171)
%89 = load i32, i32* %5
%90 = call i32 @__builtin_outb(i32 %89, i32 171)
%91 = load i32, i32* %4
%92 = call i32 @__builtin_outb(i32 %91, i32 171)
%93 = load i32, i32* %3
%94 = call i32 @__builtin_outb(i32 %93, i32 171)
%95 = load i32, i32* %2
%96 = call i32 @__builtin_outb(i32 %95, i32 171)
%97 = load i32, i32* %1
%98 = call i32 @__builtin_outb(i32 %97, i32 171)
ret void
}

LLVM IR (-O2):
define void @main() {
%1 = tail call i32 @__builtin_inb(i32 171)
%2 = tail call i32 @__builtin_inb(i32 171)
%3 = tail call i32 @__builtin_inb(i32 171)
%4 = tail call i32 @__builtin_inb(i32 171)
%5 = tail call i32 @__builtin_inb(i32 171)
%6 = tail call i32 @__builtin_inb(i32 171)
%7 = tail call i32 @__builtin_inb(i32 171)
%8 = tail call i32 @__builtin_inb(i32 171)
%9 = tail call i32 @__builtin_inb(i32 171)
%10 = tail call i32 @__builtin_inb(i32 171)
%11 = tail call i32 @__builtin_inb(i32 171)
%12 = tail call i32 @__builtin_inb(i32 171)
%13 = tail call i32 @__builtin_inb(i32 171)
%14 = tail call i32 @__builtin_inb(i32 171)
%15 = tail call i32 @__builtin_inb(i32 171)
%16 = tail call i32 @__builtin_inb(i32 171)
%17 = tail call i32 @__builtin_inb(i32 171)
%18 = tail call i32 @__builtin_inb(i32 171)
%19 = tail call i32 @__builtin_inb(i32 171)
%20 = tail call i32 @__builtin_inb(i32 171)
%21 = tail call i32 @__builtin_inb(i32 171)
%22 = tail call i32 @__builtin_inb(i32 171)
%23 = tail call i32 @__builtin_inb(i32 171)
%24 = tail call i32 @__builtin_inb(i32 171)
%25 = tail call i32 @__builtin_inb(i32 171)
%26 = tail call i32 @__builtin_inb(i32 171)
%27 = tail call i32 @__builtin_outb(i32 %23, i32 171)
%28 = tail call i32 @__builtin_outb(i32 %22, i32 171)
%29 = tail call i32 @__builtin_outb(i32 %21, i32 171)
%30 = tail call i32 @__builtin_outb(i32 %20, i32 171)
%31 = tail call i32 @__builtin_outb(i32 %19, i32 171)
%32 = tail call i32 @__builtin_outb(i32 %18, i32 171)
%33 = tail call i32 @__builtin_outb(i32 %17, i32 171)
%34 = tail call i32 @__builtin_outb(i32 %16, i32 171)
%35 = tail call i32 @__builtin_outb(i32 %15, i32 171)
%36 = tail call i32 @__builtin_outb(i32 %14, i32 171)
%37 = tail call i32 @__builtin_outb(i32 %13, i32 171)
%38 = tail call i32 @__builtin_outb(i32 %12, i32 171)
%39 = tail call i32 @__builtin_outb(i32 %11, i32 171)
%40 = tail call i32 @__builtin_outb(i32 %10, i32 171)
%41 = tail call i32 @__builtin_outb(i32 %9, i32 171)
%42 = tail call i32 @__builtin_outb(i32 %8, i32 171)
%43 = tail call i32 @__builtin_outb(i32 %7, i32 171)
%44 = tail call i32 @__builtin_outb(i32 %6, i32 171)
%45 = tail call i32 @__builtin_outb(i32 %5, i32 171)
%46 = tail call i32 @__builtin_outb(i32 %4, i32 171)
%47 = tail call i32 @__builtin_outb(i32 %3, i32 171)
%48 = tail call i32 @__builtin_outb(i32 %2, i32 171)
%49 = tail call i32 @__builtin_outb(i32 %1, i32 171)
ret void
}