#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 *print_array(int *arr, int len) {
  printf("[");
  int i = 0;
  for (i = 0; i < len - 1; i++) {
    printf("%d, ", arr[i]);
  }
  printf("%d", arr[i]);
  printf("]\n");
  return arr;
}


x86 assembly (clang, -O0):
<print_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
lea    0xeda(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movl   $0x0,-0x10(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
mov    -0xc(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jge    1173 <print_array+0x63>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    113b <print_array+0x2b>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe82(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xe77(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_array>:
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %esi,%ebp
mov    %rdi,%r15
mov    $0x5b,%edi
call   1030 <putchar@plt>
cmp    $0x2,%ebp
jl     1179 <print_array+0x49>
add    $0xffffffff,%ebp
mov    %ebp,%ebp
lea    0xea9(%rip),%r14
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    (%r15,%rbx,4),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1160 <print_array+0x30>
jmp    117b <print_array+0x4b>
xor    %ebp,%ebp
mov    (%r15,%rbp,4),%esi
lea    0xe7f(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xe74(%rip),%rdi
call   1040 <puts@plt>
mov    %r15,%rax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret

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

LLVM IR (-O2):
@.str.1 = [5 x i8] c"%d, \00"
@.str.2 = [3 x i8] c"%d\00"
@str = [2 x i8] c"]\00"
define i32* @print_array(i32* returned %0, i32 %1) {
%3 = tail call i32 @putchar(i32 91)
%4 = add i32 %1, -1
%5 = icmp sgt i32 %1, 1
br i1 %5, label %6, label %17
6: ; preds = %2
%7 = zext i32 %4 to i64
br label %8
8: ; preds = %6, %8
%9 = phi i64 [ 0, %6 ], [ %13, %8 ]
%10 = getelementptr inbounds i32, i32* %0, i64 %9
%11 = load i32, i32* %10
%12 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %11)
%13 = add nuw nsw i64 %9, 1
%14 = icmp eq i64 %13, %7
br i1 %14, label %15, label %8
15: ; preds = %8
%16 = zext i32 %4 to i64
br label %17
17: ; preds = %2, %15
%18 = phi i64 [ %16, %15 ], [ 0, %2 ]
%19 = getelementptr inbounds i32, i32* %0, i64 %18
%20 = load i32, i32* %19
%21 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0), i32 %20)
%22 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([2 x i8], [2 x i8]* @str, i64 0, i64 0))
ret i32* %0
}