#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 EXIT_SUCCESS;
int /*<<< orphan*/ printf(char *, ...);
unsigned int rand();
int main(void) {
  unsigned i = 0, array[5];
  for (; i < 5; ++i)
    array[i] = rand();
  printf("Array Updated\n");
  for (i = 0; i < 5; ++i)
    printf("%d, ", array[i]);
  printf("\n");
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jae    115e <main+0x3e>
mov    $0x0,%al
call   1040 <rand@plt>
mov    %eax,%ecx
mov    -0x8(%rbp),%eax
mov    %ecx,-0x20(%rbp,%rax,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1136 <main+0x16>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jae    11a0 <main+0x80>
mov    -0x8(%rbp),%eax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe84(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1173 <main+0x53>
lea    0xe66(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    0x2e2b(%rip),%rax
mov    (%rax),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
xor    %eax,%eax
call   1060 <rand@plt>
mov    %eax,%ebp
xor    %eax,%eax
call   1060 <rand@plt>
mov    %eax,%r13d
xor    %eax,%eax
call   1060 <rand@plt>
mov    %eax,%r12d
xor    %eax,%eax
call   1060 <rand@plt>
mov    %eax,%r15d
xor    %eax,%eax
call   1060 <rand@plt>
mov    %eax,%r14d
lea    0xe82(%rip),%rdi
call   1040 <puts@plt>
lea    0xe71(%rip),%rbx
mov    %rbx,%rdi
mov    %ebp,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    %r13d,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    %r12d,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    %r15d,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    %r14d,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    0x2e00(%rip),%rax
mov    (%rax),%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [15 x i8] c"Array Updated\0A\00"
@.str.1 = [5 x i8] c"%d, \00"
@.str.2 = [2 x i8] c"\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [5 x i32]
store i32 0, i32* %1
store i32 0, i32* %2
br label %4
4: ; preds = %12, %0
%5 = load i32, i32* %2
%6 = icmp ult i32 %5, 5
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = call i32 (...) @rand()
%9 = load i32, i32* %2
%10 = zext i32 %9 to i64
%11 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %10
store i32 %8, i32* %11
br label %12
12: ; preds = %7
%13 = load i32, i32* %2
%14 = add i32 %13, 1
store i32 %14, i32* %2
br label %4
15: ; preds = %4
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %17
17: ; preds = %26, %15
%18 = load i32, i32* %2
%19 = icmp ult i32 %18, 5
br i1 %19, label %20, label %29
20: ; preds = %17
%21 = load i32, i32* %2
%22 = zext i32 %21 to i64
%23 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %22
%24 = load i32, i32* %23
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %24)
br label %26
26: ; preds = %20
%27 = load i32, i32* %2
%28 = add i32 %27, 1
store i32 %28, i32* %2
br label %17
29: ; preds = %17
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%31 = load i32, i32* @EXIT_SUCCESS
ret i32 %31
}

LLVM IR (-O2):
@.str.1 = [5 x i8] c"%d, \00"
@EXIT_SUCCESS = global i32 0
@str = [14 x i8] c"Array Updated\00"
define i32 @main() {
%1 = tail call i32 (...) @rand()
%2 = tail call i32 (...) @rand()
%3 = tail call i32 (...) @rand()
%4 = tail call i32 (...) @rand()
%5 = tail call i32 (...) @rand()
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @str, i64 0, i64 0))
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %1)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %2)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %4)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%12 = tail call i32 @putchar(i32 10)
%13 = load i32, i32* @EXIT_SUCCESS
ret i32 %13
}