#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);
int /*<<< orphan*/ scanf(char *, int *);
int sum_elements(int *, int);
int main() {
  int i, n, a[100];
  scanf("%d", &n);
  for (i = 0; i < n; i++)
    scanf("%d", &a[i]);
  printf("The sum of all of the array elements is: %d \n",
         sum_elements(a, n - 1));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x1a0,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeb7(%rip),%rdi
lea    -0xc(%rbp),%rsi
call   1040 <scanf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1191 <main+0x61>
movslq -0x8(%rbp),%rax
lea    -0x1a0(%rbp),%rsi
shl    $0x2,%rax
add    %rax,%rsi
lea    0xe82(%rip),%rdi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1159 <main+0x29>
lea    -0x1a0(%rbp),%rdi
mov    -0xc(%rbp),%esi
sub    $0x1,%esi
call   1050 <sum_elements@plt>
mov    %eax,%esi
lea    0xe57(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x1a0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %rbx
sub    $0x1a0,%rsp
lea    0xebd(%rip),%rdi
lea    0xc(%rsp),%rsi
call   1040 <scanf@plt>
mov    0xc(%rsp),%esi
test   %esi,%esi
jle    118d <main+0x5d>
lea    0x10(%rsp),%r15
xor    %ebx,%ebx
lea    0xe9d(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    %r14,%rdi
mov    %r15,%rsi
call   1040 <scanf@plt>
add    $0x1,%rbx
movslq 0xc(%rsp),%rsi
add    $0x4,%r15
cmp    %rsi,%rbx
jl     1170 <main+0x40>
add    $0xffffffff,%esi
lea    0x10(%rsp),%rdi
call   1050 <sum_elements@plt>
lea    0xe62(%rip),%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x1a0,%rsp
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [46 x i8] c"The sum of all of the array elements is: %d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca [100 x i32]
store i32 0, i32* %1
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %3)
store i32 0, i32* %2
br label %6
6: ; preds = %15, %0
%7 = load i32, i32* %2
%8 = load i32, i32* %3
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %18
10: ; preds = %6
%11 = load i32, i32* %2
%12 = sext i32 %11 to i64
%13 = getelementptr inbounds [100 x i32], [100 x i32]* %4, i64 0, i64 %12
%14 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %13)
br label %15
15: ; preds = %10
%16 = load i32, i32* %2
%17 = add nsw i32 %16, 1
store i32 %17, i32* %2
br label %6
18: ; preds = %6
%19 = getelementptr inbounds [100 x i32], [100 x i32]* %4, i64 0, i64 0
%20 = load i32, i32* %3
%21 = sub nsw i32 %20, 1
%22 = call i32 @sum_elements(i32* %19, i32 %21)
%23 = call i32 @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.1, i64 0, i64 0), i32 %22)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [46 x i8] c"The sum of all of the array elements is: %d \0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [100 x i32]
%3 = bitcast i32* %1 to i8*
%4 = bitcast [100 x i32]* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = icmp sgt i32 %6, 0
br i1 %7, label %8, label %16
8: ; preds = %0, %8
%9 = phi i64 [ %12, %8 ], [ 0, %0 ]
%10 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 %9
%11 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %10)
%12 = add nuw nsw i64 %9, 1
%13 = load i32, i32* %1
%14 = sext i32 %13 to i64
%15 = icmp slt i64 %12, %14
br i1 %15, label %8, label %16
16: ; preds = %8, %0
%17 = phi i32 [ %6, %0 ], [ %13, %8 ]
%18 = getelementptr inbounds [100 x i32], [100 x i32]* %2, i64 0, i64 0
%19 = add nsw i32 %17, -1
%20 = call i32 @sum_elements(i32* %18, i32 %19)
%21 = call i32 @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str.1, i64 0, i64 0), i32 %20)
ret i32 0
}