#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(void) {
  int i, class[8], sum = 0;
  printf("Enter 8 numbers: \n");
  for (i = 0; i < 8; ++i) {
    printf("> ");
    scanf("%d", class + i);
    sum += *(class + i);
  }
  printf("\e[0mSum = %d", sum);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x34(%rbp)
lea    0xec3(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x8,-0x8(%rbp)
jge    119a <main+0x7a>
lea    0xeb7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    -0x30(%rbp),%rsi
movslq -0x8(%rbp),%rax
shl    $0x2,%rax
add    %rax,%rsi
lea    0xea7(%rip),%rdi
call   1040 <scanf@plt>
movslq -0x8(%rbp),%rax
mov    -0x30(%rbp,%rax,4),%eax
add    -0x34(%rbp),%eax
mov    %eax,-0x34(%rbp)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    114b <main+0x2b>
mov    -0x34(%rbp),%esi
lea    0xe72(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
sub    $0x58,%rsp
lea    0xed2(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb6(%rip),%r14
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xeb2(%rip),%rbx
mov    %rsp,%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  (%rsp),%xmm0
movaps %xmm0,0x30(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x4(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x4(%rsp),%xmm0
unpcklps 0x30(%rsp),%xmm0
movaps %xmm0,0x30(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x8(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x8(%rsp),%xmm0
movaps %xmm0,0x20(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0xc(%rsp),%xmm0
unpcklps 0x20(%rsp),%xmm0
unpcklpd 0x30(%rsp),%xmm0
movaps %xmm0,0x30(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x10(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x10(%rsp),%xmm0
movaps %xmm0,0x20(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x14(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x14(%rsp),%xmm0
unpcklps 0x20(%rsp),%xmm0
movaps %xmm0,0x20(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x18(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movss  0x18(%rsp),%xmm0
movaps %xmm0,0x40(%rsp)
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0x1c(%rsp),%rsi
mov    %rbx,%rdi
call   1050 <scanf@plt>
movd   0x1c(%rsp),%xmm0
punpckldq 0x40(%rsp),%xmm0
punpcklqdq 0x20(%rsp),%xmm0
paddd  0x30(%rsp),%xmm0
pshufd $0xee,%xmm0,%xmm1
paddd  %xmm0,%xmm1
pshufd $0x55,%xmm1,%xmm0
paddd  %xmm1,%xmm0
movd   %xmm0,%esi
lea    0xd66(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x58,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [19 x i8] c"Enter 8 numbers: \0A\00"
@.str.1 = [3 x i8] c"> \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [13 x i8] c"\1B[0mSum = %d\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [8 x i32]
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %6
6: ; preds = %23, %0
%7 = load i32, i32* %2
%8 = icmp slt i32 %7, 8
br i1 %8, label %9, label %26
9: ; preds = %6
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%11 = getelementptr inbounds [8 x i32], [8 x i32]* %3, i64 0, i64 0
%12 = load i32, i32* %2
%13 = sext i32 %12 to i64
%14 = getelementptr inbounds i32, i32* %11, i64 %13
%15 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %14)
%16 = getelementptr inbounds [8 x i32], [8 x i32]* %3, i64 0, i64 0
%17 = load i32, i32* %2
%18 = sext i32 %17 to i64
%19 = getelementptr inbounds i32, i32* %16, i64 %18
%20 = load i32, i32* %19
%21 = load i32, i32* %4
%22 = add nsw i32 %21, %20
store i32 %22, i32* %4
br label %23
23: ; preds = %9
%24 = load i32, i32* %2
%25 = add nsw i32 %24, 1
store i32 %25, i32* %2
br label %6
26: ; preds = %6
%27 = load i32, i32* %4
%28 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %27)
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"> \00"
@.str.2 = [3 x i8] c"%d\00"
@.str.3 = [13 x i8] c"\1B[0mSum = %d\00"
@str = [18 x i8] c"Enter 8 numbers: \00"
define i32 @main() {
%1 = alloca [8 x i32]
%2 = bitcast [8 x i32]* %1 to i8*
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str, i64 0, i64 0))
%4 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%5 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 0
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %5)
%7 = load i32, i32* %5
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%9 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 1
%10 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %9)
%11 = load i32, i32* %9
%12 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%13 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 2
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %13)
%15 = load i32, i32* %13
%16 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%17 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 3
%18 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %17)
%19 = load i32, i32* %17
%20 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%21 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 4
%22 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %21)
%23 = load i32, i32* %21
%24 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%25 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 5
%26 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %25)
%27 = load i32, i32* %25
%28 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%29 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 6
%30 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %29)
%31 = load i32, i32* %29
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%33 = getelementptr inbounds [8 x i32], [8 x i32]* %1, i64 0, i64 7
%34 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32* %33)
%35 = load i32, i32* %33
%36 = insertelement <8 x i32> poison, i32 %35, i64 0
%37 = insertelement <8 x i32> %36, i32 %31, i64 1
%38 = insertelement <8 x i32> %37, i32 %27, i64 2
%39 = insertelement <8 x i32> %38, i32 %23, i64 3
%40 = insertelement <8 x i32> %39, i32 %19, i64 4
%41 = insertelement <8 x i32> %40, i32 %15, i64 5
%42 = insertelement <8 x i32> %41, i32 %11, i64 6
%43 = insertelement <8 x i32> %42, i32 %7, i64 7
%44 = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> %43)
%45 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.3, i64 0, i64 0), i32 %44)
ret i32 0
}