#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 *, ...);
void print_array(int *arr, size_t n) {
  printf("[");
  for (size_t i = 0; i < n - 1; i++) {
    printf("%d, ", arr[i]);
  }
  if (n > 0) {
    printf("%d]\n", arr[n - 1]);
  } else {
    printf("]\n");
  }
}


x86 assembly (clang, -O0):
<print_array>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %rdi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
lea    0xed9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
movq   $0x0,-0x18(%rbp)
mov    -0x18(%rbp),%rax
mov    -0x10(%rbp),%rcx
sub    $0x1,%rcx
cmp    %rcx,%rax
jae    1175 <print_array+0x65>
mov    -0x8(%rbp),%rax
mov    -0x18(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xea5(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x18(%rbp),%rax
add    $0x1,%rax
mov    %rax,-0x18(%rbp)
jmp    1136 <print_array+0x26>
cmpq   $0x0,-0x10(%rbp)
jbe    11a2 <print_array+0x92>
mov    -0x8(%rbp),%rax
mov    -0x10(%rbp),%rcx
sub    $0x1,%rcx
mov    (%rax,%rcx,4),%esi
lea    0xe71(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11b0 <print_array+0xa0>
lea    0xe60(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_array>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
mov    %rsi,%r12
mov    %rdi,%r14
mov    $0x5b,%edi
call   1030 <putchar@plt>
cmp    $0x1,%r12
je     117d <print_array+0x4d>
mov    $0x1,%ebx
lea    0xea6(%rip),%r15
nopw   0x0(%rax,%rax,1)
mov    -0x4(%r14,%rbx,4),%esi
mov    %r15,%rdi
xor    %eax,%eax
call   1050 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
jne    1160 <print_array+0x30>
test   %r12,%r12
je     119b <print_array+0x6b>
mov    -0x4(%r14,%r12,4),%esi
lea    0xe7c(%rip),%rdi
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
jmp    1050 <printf@plt>
lea    0xe68(%rip),%rdi
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [2 x i8] c"[\00"
@.str.1 = [5 x i8] c"%d, \00"
@.str.2 = [5 x i8] c"%d]\0A\00"
@.str.3 = [3 x i8] c"]\0A\00"
define void @print_array(i32* %0, i64 %1) {
%3 = alloca i32*
%4 = alloca i64
%5 = alloca i64
store i32* %0, i32** %3
store i64 %1, i64* %4
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
store i64 0, i64* %5
br label %7
7: ; preds = %18, %2
%8 = load i64, i64* %5
%9 = load i64, i64* %4
%10 = sub i64 %9, 1
%11 = icmp ult i64 %8, %10
br i1 %11, label %12, label %21
12: ; preds = %7
%13 = load i32*, i32** %3
%14 = load i64, i64* %5
%15 = getelementptr inbounds i32, i32* %13, i64 %14
%16 = load i32, i32* %15
%17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i32 %16)
br label %18
18: ; preds = %12
%19 = load i64, i64* %5
%20 = add i64 %19, 1
store i64 %20, i64* %5
br label %7
21: ; preds = %7
%22 = load i64, i64* %4
%23 = icmp ugt i64 %22, 0
br i1 %23, label %24, label %31
24: ; preds = %21
%25 = load i32*, i32** %3
%26 = load i64, i64* %4
%27 = sub i64 %26, 1
%28 = getelementptr inbounds i32, i32* %25, i64 %27
%29 = load i32, i32* %28
%30 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %29)
br label %33
31: ; preds = %21
%32 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
br label %33
33: ; preds = %31, %24
ret void
}

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