#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 */
int *full_subtractor(int, int, int);
int *half_subtractor(int, int);
int /*<<< orphan*/ printf(char *, ...);
int main() {
  int *nope;
  printf("HALF ADDER:\n");
  printf("a\tb\tdiff\tborrow\n");
  nope = half_subtractor(0, 0);
  printf("0\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = half_subtractor(0, 1);
  printf("0\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = half_subtractor(1, 0);
  printf("1\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = half_subtractor(1, 1);
  printf("1\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  printf("\n\n");
  printf("FULL ADDER:\n");
  printf("a\tb\tc\tdiff\tborrow\n");
  nope = full_subtractor(0, 0, 0);
  printf("0\t0\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(0, 0, 1);
  printf("0\t0\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(0, 1, 0);
  printf("0\t1\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(0, 1, 1);
  printf("0\t1\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(1, 0, 0);
  printf("1\t0\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(1, 0, 1);
  printf("1\t0\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(1, 1, 0);
  printf("1\t1\t0\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  nope = full_subtractor(1, 1, 1);
  printf("1\t1\t1\t%d  \t%d    \n", *(nope + 0), *(nope + 1));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeba(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeb9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %esi,%esi
mov    %esi,%edi
call   1040 <half_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xec7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
mov    $0x1,%esi
call   1040 <half_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xeaf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
xor    %esi,%esi
call   1040 <half_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xe97(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%esi
mov    %esi,%edi
call   1040 <half_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xe7f(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe13(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe08(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe07(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edx,%edx
mov    %edx,%edi
mov    %edx,%esi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xdf0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %esi,%esi
mov    $0x1,%edx
mov    %esi,%edi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xdd6(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edx,%edx
mov    $0x1,%esi
mov    %edx,%edi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xdbc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
mov    $0x1,%edx
mov    %edx,%esi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xda2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edi
xor    %edx,%edx
mov    %edx,%esi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xd88(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edx
xor    %esi,%esi
mov    %edx,%edi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xd6e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%esi
xor    %edx,%edx
mov    %esi,%edi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xd54(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    $0x1,%edx
mov    %edx,%edi
mov    %edx,%esi
call   1050 <full_subtractor@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rax
mov    (%rax),%esi
mov    -0x10(%rbp),%rax
mov    0x4(%rax),%edx
lea    0xd3a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xf50(%rip),%rdi
call   1030 <puts@plt>
lea    0xf50(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
xor    %esi,%esi
call   1050 <half_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xe94(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
mov    $0x1,%esi
call   1050 <half_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xe88(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
xor    %esi,%esi
call   1050 <half_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xe7c(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
mov    $0x1,%esi
call   1050 <half_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xe6d(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xe35(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
xor    %esi,%esi
xor    %edx,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xdf0(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
xor    %esi,%esi
mov    $0x1,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xde2(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
mov    $0x1,%esi
xor    %edx,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xdd4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
mov    $0x1,%esi
mov    $0x1,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xdc3(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
xor    %esi,%esi
xor    %edx,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xdb5(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
xor    %esi,%esi
mov    $0x1,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xda4(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
mov    $0x1,%esi
xor    %edx,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xd93(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    $0x1,%edi
mov    $0x1,%esi
mov    $0x1,%edx
call   1060 <full_subtractor@plt>
mov    (%rax),%esi
mov    0x4(%rax),%edx
lea    0xd7f(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [13 x i8] c"HALF ADDER:\0A\00"
@.str.1 = [17 x i8] c"a\09b\09diff\09borrow\0A\00"
@.str.2 = [17 x i8] c"0\090\09%d \09%d \0A\00"
@.str.3 = [17 x i8] c"0\091\09%d \09%d \0A\00"
@.str.4 = [17 x i8] c"1\090\09%d \09%d \0A\00"
@.str.5 = [17 x i8] c"1\091\09%d \09%d \0A\00"
@.str.6 = [3 x i8] c"\0A\0A\00"
@.str.7 = [13 x i8] c"FULL ADDER:\0A\00"
@.str.8 = [19 x i8] c"a\09b\09c\09diff\09borrow\0A\00"
@.str.9 = [19 x i8] c"0\090\090\09%d \09%d \0A\00"
@.str.10 = [19 x i8] c"0\090\091\09%d \09%d \0A\00"
@.str.11 = [19 x i8] c"0\091\090\09%d \09%d \0A\00"
@.str.12 = [19 x i8] c"0\091\091\09%d \09%d \0A\00"
@.str.13 = [19 x i8] c"1\090\090\09%d \09%d \0A\00"
@.str.14 = [19 x i8] c"1\090\091\09%d \09%d \0A\00"
@.str.15 = [19 x i8] c"1\091\090\09%d \09%d \0A\00"
@.str.16 = [19 x i8] c"1\091\091\09%d \09%d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32*
store i32 0, i32* %1
%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.1, i64 0, i64 0))
%5 = call i32* @half_subtractor(i32 0, i32 0)
store i32* %5, i32** %2
%6 = load i32*, i32** %2
%7 = getelementptr inbounds i32, i32* %6, i64 0
%8 = load i32, i32* %7
%9 = load i32*, i32** %2
%10 = getelementptr inbounds i32, i32* %9, i64 1
%11 = load i32, i32* %10
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %8, i32 %11)
%13 = call i32* @half_subtractor(i32 0, i32 1)
store i32* %13, i32** %2
%14 = load i32*, i32** %2
%15 = getelementptr inbounds i32, i32* %14, i64 0
%16 = load i32, i32* %15
%17 = load i32*, i32** %2
%18 = getelementptr inbounds i32, i32* %17, i64 1
%19 = load i32, i32* %18
%20 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %16, i32 %19)
%21 = call i32* @half_subtractor(i32 1, i32 0)
store i32* %21, i32** %2
%22 = load i32*, i32** %2
%23 = getelementptr inbounds i32, i32* %22, i64 0
%24 = load i32, i32* %23
%25 = load i32*, i32** %2
%26 = getelementptr inbounds i32, i32* %25, i64 1
%27 = load i32, i32* %26
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0), i32 %24, i32 %27)
%29 = call i32* @half_subtractor(i32 1, i32 1)
store i32* %29, i32** %2
%30 = load i32*, i32** %2
%31 = getelementptr inbounds i32, i32* %30, i64 0
%32 = load i32, i32* %31
%33 = load i32*, i32** %2
%34 = getelementptr inbounds i32, i32* %33, i64 1
%35 = load i32, i32* %34
%36 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.5, i64 0, i64 0), i32 %32, i32 %35)
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%38 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.7, i64 0, i64 0))
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.8, i64 0, i64 0))
%40 = call i32* @full_subtractor(i32 0, i32 0, i32 0)
store i32* %40, i32** %2
%41 = load i32*, i32** %2
%42 = getelementptr inbounds i32, i32* %41, i64 0
%43 = load i32, i32* %42
%44 = load i32*, i32** %2
%45 = getelementptr inbounds i32, i32* %44, i64 1
%46 = load i32, i32* %45
%47 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.9, i64 0, i64 0), i32 %43, i32 %46)
%48 = call i32* @full_subtractor(i32 0, i32 0, i32 1)
store i32* %48, i32** %2
%49 = load i32*, i32** %2
%50 = getelementptr inbounds i32, i32* %49, i64 0
%51 = load i32, i32* %50
%52 = load i32*, i32** %2
%53 = getelementptr inbounds i32, i32* %52, i64 1
%54 = load i32, i32* %53
%55 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.10, i64 0, i64 0), i32 %51, i32 %54)
%56 = call i32* @full_subtractor(i32 0, i32 1, i32 0)
store i32* %56, i32** %2
%57 = load i32*, i32** %2
%58 = getelementptr inbounds i32, i32* %57, i64 0
%59 = load i32, i32* %58
%60 = load i32*, i32** %2
%61 = getelementptr inbounds i32, i32* %60, i64 1
%62 = load i32, i32* %61
%63 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.11, i64 0, i64 0), i32 %59, i32 %62)
%64 = call i32* @full_subtractor(i32 0, i32 1, i32 1)
store i32* %64, i32** %2
%65 = load i32*, i32** %2
%66 = getelementptr inbounds i32, i32* %65, i64 0
%67 = load i32, i32* %66
%68 = load i32*, i32** %2
%69 = getelementptr inbounds i32, i32* %68, i64 1
%70 = load i32, i32* %69
%71 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.12, i64 0, i64 0), i32 %67, i32 %70)
%72 = call i32* @full_subtractor(i32 1, i32 0, i32 0)
store i32* %72, i32** %2
%73 = load i32*, i32** %2
%74 = getelementptr inbounds i32, i32* %73, i64 0
%75 = load i32, i32* %74
%76 = load i32*, i32** %2
%77 = getelementptr inbounds i32, i32* %76, i64 1
%78 = load i32, i32* %77
%79 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.13, i64 0, i64 0), i32 %75, i32 %78)
%80 = call i32* @full_subtractor(i32 1, i32 0, i32 1)
store i32* %80, i32** %2
%81 = load i32*, i32** %2
%82 = getelementptr inbounds i32, i32* %81, i64 0
%83 = load i32, i32* %82
%84 = load i32*, i32** %2
%85 = getelementptr inbounds i32, i32* %84, i64 1
%86 = load i32, i32* %85
%87 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.14, i64 0, i64 0), i32 %83, i32 %86)
%88 = call i32* @full_subtractor(i32 1, i32 1, i32 0)
store i32* %88, i32** %2
%89 = load i32*, i32** %2
%90 = getelementptr inbounds i32, i32* %89, i64 0
%91 = load i32, i32* %90
%92 = load i32*, i32** %2
%93 = getelementptr inbounds i32, i32* %92, i64 1
%94 = load i32, i32* %93
%95 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.15, i64 0, i64 0), i32 %91, i32 %94)
%96 = call i32* @full_subtractor(i32 1, i32 1, i32 1)
store i32* %96, i32** %2
%97 = load i32*, i32** %2
%98 = getelementptr inbounds i32, i32* %97, i64 0
%99 = load i32, i32* %98
%100 = load i32*, i32** %2
%101 = getelementptr inbounds i32, i32* %100, i64 1
%102 = load i32, i32* %101
%103 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.16, i64 0, i64 0), i32 %99, i32 %102)
ret i32 0
}

LLVM IR (-O2):
@.str.2 = [17 x i8] c"0\090\09%d \09%d \0A\00"
@.str.3 = [17 x i8] c"0\091\09%d \09%d \0A\00"
@.str.4 = [17 x i8] c"1\090\09%d \09%d \0A\00"
@.str.5 = [17 x i8] c"1\091\09%d \09%d \0A\00"
@.str.9 = [19 x i8] c"0\090\090\09%d \09%d \0A\00"
@.str.10 = [19 x i8] c"0\090\091\09%d \09%d \0A\00"
@.str.11 = [19 x i8] c"0\091\090\09%d \09%d \0A\00"
@.str.12 = [19 x i8] c"0\091\091\09%d \09%d \0A\00"
@.str.13 = [19 x i8] c"1\090\090\09%d \09%d \0A\00"
@.str.14 = [19 x i8] c"1\090\091\09%d \09%d \0A\00"
@.str.15 = [19 x i8] c"1\091\090\09%d \09%d \0A\00"
@.str.16 = [19 x i8] c"1\091\091\09%d \09%d \0A\00"
@str = [12 x i8] c"HALF ADDER:\00"
@str.17 = [16 x i8] c"a\09b\09diff\09borrow\00"
@str.18 = [2 x i8] c"\0A\00"
@str.19 = [12 x i8] c"FULL ADDER:\00"
@str.20 = [18 x i8] c"a\09b\09c\09diff\09borrow\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([16 x i8], [16 x i8]* @str.17, i64 0, i64 0))
%3 = tail call i32* @half_subtractor(i32 0, i32 0)
%4 = load i32, i32* %3
%5 = getelementptr inbounds i32, i32* %3, i64 1
%6 = load i32, i32* %5
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.2, i64 0, i64 0), i32 %4, i32 %6)
%8 = tail call i32* @half_subtractor(i32 0, i32 1)
%9 = load i32, i32* %8
%10 = getelementptr inbounds i32, i32* %8, i64 1
%11 = load i32, i32* %10
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.3, i64 0, i64 0), i32 %9, i32 %11)
%13 = tail call i32* @half_subtractor(i32 1, i32 0)
%14 = load i32, i32* %13
%15 = getelementptr inbounds i32, i32* %13, i64 1
%16 = load i32, i32* %15
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0), i32 %14, i32 %16)
%18 = tail call i32* @half_subtractor(i32 1, i32 1)
%19 = load i32, i32* %18
%20 = getelementptr inbounds i32, i32* %18, i64 1
%21 = load i32, i32* %20
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @.str.5, i64 0, i64 0), i32 %19, i32 %21)
%23 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str.18, i64 0, i64 0))
%24 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([12 x i8], [12 x i8]* @str.19, i64 0, i64 0))
%25 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.20, i64 0, i64 0))
%26 = tail call i32* @full_subtractor(i32 0, i32 0, i32 0)
%27 = load i32, i32* %26
%28 = getelementptr inbounds i32, i32* %26, i64 1
%29 = load i32, i32* %28
%30 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.9, i64 0, i64 0), i32 %27, i32 %29)
%31 = tail call i32* @full_subtractor(i32 0, i32 0, i32 1)
%32 = load i32, i32* %31
%33 = getelementptr inbounds i32, i32* %31, i64 1
%34 = load i32, i32* %33
%35 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.10, i64 0, i64 0), i32 %32, i32 %34)
%36 = tail call i32* @full_subtractor(i32 0, i32 1, i32 0)
%37 = load i32, i32* %36
%38 = getelementptr inbounds i32, i32* %36, i64 1
%39 = load i32, i32* %38
%40 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.11, i64 0, i64 0), i32 %37, i32 %39)
%41 = tail call i32* @full_subtractor(i32 0, i32 1, i32 1)
%42 = load i32, i32* %41
%43 = getelementptr inbounds i32, i32* %41, i64 1
%44 = load i32, i32* %43
%45 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.12, i64 0, i64 0), i32 %42, i32 %44)
%46 = tail call i32* @full_subtractor(i32 1, i32 0, i32 0)
%47 = load i32, i32* %46
%48 = getelementptr inbounds i32, i32* %46, i64 1
%49 = load i32, i32* %48
%50 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.13, i64 0, i64 0), i32 %47, i32 %49)
%51 = tail call i32* @full_subtractor(i32 1, i32 0, i32 1)
%52 = load i32, i32* %51
%53 = getelementptr inbounds i32, i32* %51, i64 1
%54 = load i32, i32* %53
%55 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.14, i64 0, i64 0), i32 %52, i32 %54)
%56 = tail call i32* @full_subtractor(i32 1, i32 1, i32 0)
%57 = load i32, i32* %56
%58 = getelementptr inbounds i32, i32* %56, i64 1
%59 = load i32, i32* %58
%60 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.15, i64 0, i64 0), i32 %57, i32 %59)
%61 = tail call i32* @full_subtractor(i32 1, i32 1, i32 1)
%62 = load i32, i32* %61
%63 = getelementptr inbounds i32, i32* %61, i64 1
%64 = load i32, i32* %63
%65 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.16, i64 0, i64 0), i32 %62, i32 %64)
ret i32 0
}