#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);
int main() {
  register int i;
  int arr[5];
  arr[0] = 10;
  arr[1] = 20;
  arr[2] = 30;
  arr[3] = 40;
  arr[4] = 50;
  for (i = 0; i < 5; i++) {
    printf("value of arr [%d] = %d\n", i, arr[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x20(%rbp)
movl   $0x14,-0x1c(%rbp)
movl   $0x1e,-0x18(%rbp)
movl   $0x28,-0x14(%rbp)
movl   $0x32,-0x10(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    1178 <main+0x68>
mov    -0x8(%rbp),%esi
movslq -0x8(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%edx
lea    0xe9b(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1149 <main+0x39>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xee8(%rip),%rbx
mov    %rbx,%rdi
xor    %esi,%esi
mov    $0xa,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x14,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x1e,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x28,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x32,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [24 x i8] c"value of arr [%d] = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [5 x i32]
store i32 0, i32* %1
%4 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 0
store i32 10, i32* %4
%5 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 1
store i32 20, i32* %5
%6 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 2
store i32 30, i32* %6
%7 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 3
store i32 40, i32* %7
%8 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 4
store i32 50, i32* %8
store i32 0, i32* %2
br label %9
9: ; preds = %19, %0
%10 = load i32, i32* %2
%11 = icmp slt i32 %10, 5
br i1 %11, label %12, label %22
12: ; preds = %9
%13 = load i32, i32* %2
%14 = load i32, i32* %2
%15 = sext i32 %14 to i64
%16 = getelementptr inbounds [5 x i32], [5 x i32]* %3, i64 0, i64 %15
%17 = load i32, i32* %16
%18 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 %13, i32 %17)
br label %19
19: ; preds = %12
%20 = load i32, i32* %2
%21 = add nsw i32 %20, 1
store i32 %21, i32* %2
br label %9
22: ; preds = %9
ret i32 0
}

LLVM IR (-O2):
@.str = [24 x i8] c"value of arr [%d] = %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 0, i32 10)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 1, i32 20)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 2, i32 30)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 3, i32 40)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str, i64 0, i64 0), i32 4, i32 50)
ret i32 0
}