#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 *, int *);
int main(int argc, const char *argv[]) {
  int c, sum = 0;
  printf("This program averages a list of 5 integers.\n");
  for (int i = 0; i < 5; i++) {
    printf(" ? ");
    scanf("%d", &c);
    sum += c;
  }
  printf("The average is %g\n", sum / 5.0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x18(%rbp)
lea    0xec4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x1c(%rbp)
cmpl   $0x5,-0x1c(%rbp)
jge    1191 <main+0x71>
lea    0xed2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xec8(%rip),%rdi
lea    -0x14(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x14(%rbp),%eax
add    -0x18(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x1c(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x1c(%rbp)
jmp    1152 <main+0x32>
cvtsi2sdl -0x18(%rbp),%xmm0
movsd  0xe62(%rip),%xmm1
divsd  %xmm1,%xmm0
lea    0xe93(%rip),%rdi
mov    $0x1,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
lea    0xee4(%rip),%rdi
call   1030 <puts@plt>
lea    0xebe(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb1(%rip),%rbx
lea    0x4(%rsp),%r15
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
mov    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
add    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
add    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
add    0x4(%rsp),%ebp
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
mov    %rbx,%rdi
mov    %r15,%rsi
call   1050 <scanf@plt>
add    0x4(%rsp),%ebp
cvtsi2sd %ebp,%xmm0
divsd  0xe21(%rip),%xmm0
lea    0xe29(%rip),%rdi
mov    $0x1,%al
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [45 x i8] c"This program averages a list of 5 integers.\0A\00"
@.str.1 = [4 x i8] c" ? \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [19 x i8] c"The average is %g\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i32
%8 = alloca i32
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
store i32 0, i32* %7
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %8
br label %10
10: ; preds = %19, %2
%11 = load i32, i32* %8
%12 = icmp slt i32 %11, 5
br i1 %12, label %13, label %22
13: ; preds = %10
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %6)
%16 = load i32, i32* %6
%17 = load i32, i32* %7
%18 = add nsw i32 %17, %16
store i32 %18, i32* %7
br label %19
19: ; preds = %13
%20 = load i32, i32* %8
%21 = add nsw i32 %20, 1
store i32 %21, i32* %8
br label %10
22: ; preds = %10
%23 = load i32, i32* %7
%24 = sitofp i32 %23 to double
%25 = fdiv double %24, 5.000000e+00
%26 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), double %25)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [4 x i8] c" ? \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [19 x i8] c"The average is %g\0A\00"
@str = [44 x i8] c"This program averages a list of 5 integers.\00"
define i32 @main(i32 %0, i8** nocapture readnone %1) {
%3 = alloca i32
%4 = bitcast i32* %3 to i8*
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([44 x i8], [44 x i8]* @str, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%8 = load i32, i32* %3
%9 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%11 = load i32, i32* %3
%12 = add nsw i32 %11, %8
%13 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%15 = load i32, i32* %3
%16 = add nsw i32 %15, %12
%17 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%18 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%19 = load i32, i32* %3
%20 = add nsw i32 %19, %16
%21 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
%22 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %3)
%23 = load i32, i32* %3
%24 = add nsw i32 %23, %20
%25 = sitofp i32 %24 to double
%26 = fdiv double %25, 5.000000e+00
%27 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @.str.3, i64 0, i64 0), double %26)
ret i32 0
}