#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*/ printf(char *, ...);
int /*<<< orphan*/ scanf(char *, float *);
int main() {
  float a;
  float b;
  float c;
  float d;
  float e;
  float average;
  float sum;
  float total;
  total = 5;
  printf("Enter variable one:\n");
  scanf("%f", &a);
  printf("Enter variable two:\n");
  scanf("%f", &b);
  printf("Enter variable three:\n");
  scanf("%f", &c);
  printf("Enter variable four:\n");
  scanf("%f", &d);
  printf("Enter variable five:\n");
  scanf("%f", &e);
  sum = a + b + c + d + e;
  average = sum / total;
  printf("The average is %f\n", average);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movss  0xec9(%rip),%xmm0
movss  %xmm0,-0x24(%rbp)
lea    0xec1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xeaa(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeb2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe8c(%rip),%rdi
lea    -0x10(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xeab(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe6e(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
lea    0xea3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe50(%rip),%rdi
lea    -0x18(%rbp),%rsi
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
addss  -0xc(%rbp),%xmm0
addss  -0x10(%rbp),%xmm0
addss  -0x14(%rbp),%xmm0
addss  -0x18(%rbp),%xmm0
movss  %xmm0,-0x20(%rbp)
movss  -0x20(%rbp),%xmm0
divss  -0x24(%rbp),%xmm0
movss  %xmm0,-0x1c(%rbp)
movss  -0x1c(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe65(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
lea    0xede(%rip),%rdi
call   1030 <puts@plt>
lea    0xebc(%rip),%rbx
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xed2(%rip),%rdi
call   1030 <puts@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xecd(%rip),%rdi
call   1030 <puts@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xeca(%rip),%rdi
call   1030 <puts@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
lea    0xec6(%rip),%rdi
call   1030 <puts@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x1c(%rsp),%xmm0
addss  0x18(%rsp),%xmm0
addss  0x14(%rsp),%xmm0
addss  0x10(%rsp),%xmm0
addss  0xc(%rsp),%xmm0
divss  0xe21(%rip),%xmm0
cvtss2sd %xmm0,%xmm0
lea    0xe1d(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [21 x i8] c"Enter variable one:\0A\00"
@.str.1 = [3 x i8] c"%f\00"
@.str.2 = [21 x i8] c"Enter variable two:\0A\00"
@.str.3 = [23 x i8] c"Enter variable three:\0A\00"
@.str.4 = [22 x i8] c"Enter variable four:\0A\00"
@.str.5 = [22 x i8] c"Enter variable five:\0A\00"
@.str.6 = [19 x i8] c"The average is %f\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = alloca float
%8 = alloca float
%9 = alloca float
store i32 0, i32* %1
store float 5.000000e+00, float* %9
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0))
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.2, i64 0, i64 0))
%13 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.3, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.4, i64 0, i64 0))
%17 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %5)
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([22 x i8], [22 x i8]* @.str.5, i64 0, i64 0))
%19 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %6)
%20 = load float, float* %2
%21 = load float, float* %3
%22 = fadd float %20, %21
%23 = load float, float* %4
%24 = fadd float %22, %23
%25 = load float, float* %5
%26 = fadd float %24, %25
%27 = load float, float* %6
%28 = fadd float %26, %27
store float %28, float* %8
%29 = load float, float* %8
%30 = load float, float* %9
%31 = fdiv float %29, %30
store float %31, float* %7
%32 = load float, float* %7
%33 = fpext float %32 to double
%34 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.6, i64 0, i64 0), double %33)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"%f\00"
@.str.6 = [19 x i8] c"The average is %f\0A\00"
@str = [20 x i8] c"Enter variable one:\00"
@str.7 = [20 x i8] c"Enter variable two:\00"
@str.8 = [22 x i8] c"Enter variable three:\00"
@str.9 = [21 x i8] c"Enter variable four:\00"
@str.10 = [21 x i8] c"Enter variable five:\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = bitcast float* %1 to i8*
%7 = bitcast float* %2 to i8*
%8 = bitcast float* %3 to i8*
%9 = bitcast float* %4 to i8*
%10 = bitcast float* %5 to i8*
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str, i64 0, i64 0))
%12 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %1)
%13 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([20 x i8], [20 x i8]* @str.7, i64 0, i64 0))
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %2)
%15 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.8, i64 0, i64 0))
%16 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %3)
%17 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.9, i64 0, i64 0))
%18 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %4)
%19 = call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @str.10, i64 0, i64 0))
%20 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), float* %5)
%21 = load float, float* %1
%22 = load float, float* %2
%23 = fadd float %21, %22
%24 = load float, float* %3
%25 = fadd float %23, %24
%26 = load float, float* %4
%27 = fadd float %25, %26
%28 = load float, float* %5
%29 = fadd float %27, %28
%30 = fdiv float %29, 5.000000e+00
%31 = fpext float %30 to double
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.6, i64 0, i64 0), double %31)
ret i32 0
}