#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_arr(int *arr, int arr_len) {
  for (int i = 0; i < arr_len; ++i) {
    printf("%d", arr[i]);
    if (i == arr_len - 1)
      break;
    printf(", ");
  }
}


x86 assembly (clang, -O0):
<print_arr>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    117d <print_arr+0x6d>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
mov    (%rax,%rcx,4),%esi
lea    0xebc(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
mov    -0xc(%rbp),%ecx
sub    $0x1,%ecx
cmp    %ecx,%eax
jne    1161 <print_arr+0x51>
jmp    117d <print_arr+0x6d>
lea    0xe9b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1126 <print_arr+0x16>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print_arr>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
test   %esi,%esi
jle    1172 <print_arr+0x62>
mov    %esi,%r13d
mov    %rdi,%r14
add    $0xffffffff,%r13d
mov    (%rdi),%esi
lea    0xed0(%rip),%rdi
xor    %eax,%eax
call   1030 <printf@plt>
test   %r13d,%r13d
je     1172 <print_arr+0x62>
lea    0xec0(%rip),%r15
lea    0xeb6(%rip),%r12
xor    %ebx,%ebx
nopl   0x0(%rax)
mov    %r15,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
mov    0x4(%r14,%rbx,4),%esi
add    $0x1,%rbx
mov    %r12,%rdi
xor    %eax,%eax
call   1030 <printf@plt>
cmp    %rbx,%r13
jne    1150 <print_arr+0x40>
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
ret

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

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