#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(void) {
  int i = 0;
  int v[5];
  for (i = 0; i < 5; i++) {
    v[i] = i;
  }
  for (i = 0; i < 5; i++) {
    printf("v[%d] = %d\n", i, v[i]);
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x8(%rbp)
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    1150 <main+0x40>
mov    -0x8(%rbp),%ecx
movslq -0x8(%rbp),%rax
mov    %ecx,-0x20(%rbp,%rax,4)
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    112d <main+0x1d>
movl   $0x0,-0x8(%rbp)
cmpl   $0x5,-0x8(%rbp)
jge    1186 <main+0x76>
mov    -0x8(%rbp),%esi
movslq -0x8(%rbp),%rax
mov    -0x20(%rbp,%rax,4),%edx
lea    0xe8d(%rip),%rdi
call   1030 <printf@plt>
mov    -0x8(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x8(%rbp)
jmp    1157 <main+0x47>
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
xor    %edx,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x1,%esi
mov    $0x1,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x2,%esi
mov    $0x2,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x3,%esi
mov    $0x3,%edx
call   1030 <printf@plt>
mov    %rbx,%rdi
mov    $0x4,%esi
mov    $0x4,%edx
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [12 x i8] c"v[%d] = %d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca [5 x i32]
store i32 0, i32* %1
store i32 0, i32* %2
store i32 0, i32* %2
br label %4
4: ; preds = %12, %0
%5 = load i32, i32* %2
%6 = icmp slt i32 %5, 5
br i1 %6, label %7, label %15
7: ; preds = %4
%8 = load i32, i32* %2
%9 = load i32, i32* %2
%10 = sext 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 nsw i32 %13, 1
store i32 %14, i32* %2
br label %4
15: ; preds = %4
store i32 0, i32* %2
br label %16
16: ; preds = %26, %15
%17 = load i32, i32* %2
%18 = icmp slt i32 %17, 5
br i1 %18, label %19, label %29
19: ; preds = %16
%20 = load i32, i32* %2
%21 = load i32, i32* %2
%22 = sext 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 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 %20, i32 %24)
br label %26
26: ; preds = %19
%27 = load i32, i32* %2
%28 = add nsw i32 %27, 1
store i32 %28, i32* %2
br label %16
29: ; preds = %16
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"v[%d] = %d\0A\00"
define i32 @main() {
%1 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 0, i32 0)
%2 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 1, i32 1)
%3 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 2, i32 2)
%4 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 3, i32 3)
%5 = tail call i32 @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), i32 4, i32 4)
ret i32 0
}