#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];
  do {
    array[i] = rand();
    ++i;
  } while (i < 5);
  printf("Array Updated!\n");
  i = 0;
  do {
    printf("%d ", array[i]);
    ++i;
  } while (i < 5);
  printf("\n");
  int a = 10;
  while (a < 20) {
    printf("a: %d\n", a);
    a++;
  }
  return EXIT_SUCCESS;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
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)
cmpl   $0x5,-0x8(%rbp)
jb     1136 <main+0x16>
lea    0xea0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x8(%rbp)
mov    -0x8(%rbp),%eax
mov    -0x20(%rbp,%rax,4),%esi
lea    0xe94(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jb     116e <main+0x4e>
lea    0xe71(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0xa,-0x24(%rbp)
cmpl   $0x14,-0x24(%rbp)
jge    11d4 <main+0xb4>
mov    -0x24(%rbp),%esi
lea    0xe55(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x24(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x24(%rbp)
jmp    11ab <main+0x8b>
mov    0x2e05(%rip),%rax
mov    (%rax),%eax
add    $0x30,%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    0xe88(%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>
lea    0xe24(%rip),%rbx
mov    %rbx,%rdi
mov    $0xa,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xb,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xc,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xd,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xe,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0xf,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x10,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x11,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x12,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    %rbx,%rdi
mov    $0x13,%esi
xor    %eax,%eax
call   1050 <printf@plt>
mov    0x2d63(%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 = [16 x i8] c"Array Updated!\0A\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [2 x i8] c"\0A\00"
@.str.3 = [7 x i8] c"a: %d\0A\00"
@EXIT_SUCCESS = global i32 0
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [5 x i32]
%4 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %2
br label %5
5: ; preds = %12, %0
%6 = call i32 (...) @rand()
%7 = load i32, i32* %2
%8 = zext i32 %7 to i64
%9 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %8
store i32 %6, i32* %9
%10 = load i32, i32* %2
%11 = add i32 %10, 1
store i32 %11, i32* %2
br label %12
12: ; preds = %5
%13 = load i32, i32* %2
%14 = icmp ult i32 %13, 5
br i1 %14, label %5, label %15
15: ; preds = %12
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0))
store i32 0, i32* %2
br label %17
17: ; preds = %25, %15
%18 = load i32, i32* %2
%19 = zext i32 %18 to i64
%20 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %19
%21 = load i32, i32* %20
%22 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %21)
%23 = load i32, i32* %2
%24 = add i32 %23, 1
store i32 %24, i32* %2
br label %25
25: ; preds = %17
%26 = load i32, i32* %2
%27 = icmp ult i32 %26, 5
br i1 %27, label %17, label %28
28: ; preds = %25
%29 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
store i32 10, i32* %4
br label %30
30: ; preds = %33, %28
%31 = load i32, i32* %4
%32 = icmp slt i32 %31, 20
br i1 %32, label %33, label %38
33: ; preds = %30
%34 = load i32, i32* %4
%35 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 %34)
%36 = load i32, i32* %4
%37 = add nsw i32 %36, 1
store i32 %37, i32* %4
br label %30
38: ; preds = %30
%39 = load i32, i32* @EXIT_SUCCESS
ret i32 %39
}

LLVM IR (-O2):
@.str.1 = [4 x i8] c"%d \00"
@.str.3 = [7 x i8] c"a: %d\0A\00"
@EXIT_SUCCESS = global i32 0
@str = [15 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 ([15 x i8], [15 x i8]* @str, i64 0, i64 0))
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %1)
%8 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %2)
%9 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %3)
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %4)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %5)
%12 = tail call i32 @putchar(i32 10)
%13 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 10)
%14 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 11)
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 12)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 13)
%17 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 14)
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 15)
%19 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 16)
%20 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 17)
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 18)
%22 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @.str.3, i64 0, i64 0), i32 19)
%23 = load i32, i32* @EXIT_SUCCESS
ret i32 %23
}