#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 /*<<< orphan*/ average(int, int, int);
int /*<<< orphan*/ getchar();
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ scanf(char *, int *);
int /*<<< orphan*/ sum(int, int, int);
main() {
  int num1, num2, num3;
  printf("Enter the first number and hit enter:\n");
  scanf("%d", &num1);
  printf("Enter the second number and hit enter:\n");
  scanf("%d", &num2);
  printf("Enter the third number and hit enter:\n");
  scanf("%d", &num3);
  sum(num1, num2, num3);
  average(num1, num2, num3);
  getchar();
  getchar();
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
lea    0xea1(%rip),%rdi
call   1030 <printf@plt>
lea    0xebc(%rip),%rdi
lea    -0x4(%rbp),%rsi
call   1070 <scanf@plt>
lea    0xeaf(%rip),%rdi
call   1030 <printf@plt>
lea    0xea0(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1070 <scanf@plt>
lea    0xebb(%rip),%rdi
call   1030 <printf@plt>
lea    0xe84(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1070 <scanf@plt>
mov    -0x4(%rbp),%edi
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
call   1050 <sum@plt>
mov    -0x4(%rbp),%edi
mov    -0x8(%rbp),%esi
mov    -0xc(%rbp),%edx
call   1060 <average@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
mov    $0x0,%al
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xea7(%rip),%rdi
call   1030 <puts@plt>
lea    0xe98(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1070 <scanf@plt>
lea    0xead(%rip),%rdi
call   1030 <puts@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1070 <scanf@plt>
lea    0xebb(%rip),%rdi
call   1030 <puts@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1070 <scanf@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%esi
mov    0x4(%rsp),%edx
call   1050 <sum@plt>
mov    0xc(%rsp),%edi
mov    0x8(%rsp),%esi
mov    0x4(%rsp),%edx
call   1060 <average@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
call   1040 <getchar@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [39 x i8] c"Enter the first number and hit enter:\0A\00"
@.str.1 = [3 x i8] c"%d\00"
@.str.2 = [40 x i8] c"Enter the second number and hit enter:\0A\00"
@.str.3 = [39 x i8] c"Enter the third number and hit enter:\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str, i64 0, i64 0))
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%6 = call i32 @printf(i8* getelementptr inbounds ([40 x i8], [40 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%8 = call i32 @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.3, i64 0, i64 0))
%9 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%10 = load i32, i32* %1
%11 = load i32, i32* %2
%12 = load i32, i32* %3
%13 = call i32 @sum(i32 %10, i32 %11, i32 %12)
%14 = load i32, i32* %1
%15 = load i32, i32* %2
%16 = load i32, i32* %3
%17 = call i32 @average(i32 %14, i32 %15, i32 %16)
%18 = call i32 (...) @getchar()
%19 = call i32 (...) @getchar()
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%d\00"
@str = [38 x i8] c"Enter the first number and hit enter:\00"
@str.4 = [39 x i8] c"Enter the second number and hit enter:\00"
@str.5 = [38 x i8] c"Enter the third number and hit enter:\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = bitcast i32* %3 to i8*
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str, i64 0, i64 0))
%8 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %1)
%9 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @str.4, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %2)
%11 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([38 x i8], [38 x i8]* @str.5, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i32* %3)
%13 = load i32, i32* %1
%14 = load i32, i32* %2
%15 = load i32, i32* %3
%16 = call i32 @sum(i32 %13, i32 %14, i32 %15)
%17 = load i32, i32* %1
%18 = load i32, i32* %2
%19 = load i32, i32* %3
%20 = call i32 @average(i32 %17, i32 %18, i32 %19)
%21 = call i32 (...) @getchar()
%22 = call i32 (...) @getchar()
ret i32 0
}