#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 adder(int, int);
int multer(int, int);
int /*<<< orphan*/ printf(char *, int, int, int);
int subber(int, int);
int main(void) {
  printf("adder:\n\t%d - %d = %d\n", 4, 5, adder(4, 5));
  printf("subber:\n\t%d - %d = %d\n", 4, 5, subber(4, 5));
  printf("multer:\n\t%d - %d = %d\n", 4, 5, multer(4, 5));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x4,%edi
mov    $0x5,%esi
call   1060 <adder@plt>
mov    %eax,%ecx
lea    0xe99(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x5,%esi
call   1030 <subber@plt>
mov    %eax,%ecx
lea    0xe88(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x5,%esi
call   1050 <multer@plt>
mov    %eax,%ecx
lea    0xe78(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
mov    $0x4,%edi
mov    $0x5,%esi
call   1060 <adder@plt>
lea    0xea9(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
mov    %eax,%ecx
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x5,%esi
call   1030 <subber@plt>
lea    0xe98(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
mov    %eax,%ecx
call   1040 <printf@plt>
mov    $0x4,%edi
mov    $0x5,%esi
call   1050 <multer@plt>
lea    0xe88(%rip),%rdi
mov    $0x4,%esi
mov    $0x5,%edx
mov    %eax,%ecx
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [22 x i8] c"adder:\0A\09%d - %d = %d\0A\00"
@.str.1 = [23 x i8] c"subber:\0A\09%d - %d = %d\0A\00"
@.str.2 = [23 x i8] c"multer:\0A\09%d - %d = %d\0A\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @adder(i32 4, i32 5)
%3 = call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 4, i32 5, i32 %2)
%4 = call i32 @subber(i32 4, i32 5)
%5 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.1, i64 0, i64 0), i32 4, i32 5, i32 %4)
%6 = call i32 @multer(i32 4, i32 5)
%7 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 4, i32 5, i32 %6)
ret i32 0
}

LLVM IR (-O2):
@.str = [22 x i8] c"adder:\0A\09%d - %d = %d\0A\00"
@.str.1 = [23 x i8] c"subber:\0A\09%d - %d = %d\0A\00"
@.str.2 = [23 x i8] c"multer:\0A\09%d - %d = %d\0A\00"
define i32 @main() {
%1 = tail call i32 @adder(i32 4, i32 5)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str, i64 0, i64 0), i32 4, i32 5, i32 %1)
%3 = tail call i32 @subber(i32 4, i32 5)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.1, i64 0, i64 0), i32 4, i32 5, i32 %3)
%5 = tail call i32 @multer(i32 4, i32 5)
%6 = tail call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.2, i64 0, i64 0), i32 4, i32 5, i32 %5)
ret i32 0
}