#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(int n, char *str) {
  int i;
  for (i = 0; i < n; i++) {
    printf("%#x", str[i]);
    if (i + 1 != n)
      printf(" ");
  }
}


x86 assembly (clang, -O0):
<print>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
mov    -0x14(%rbp),%eax
cmp    -0x4(%rbp),%eax
jge    117c <print+0x6c>
mov    -0x10(%rbp),%rax
movslq -0x14(%rbp),%rcx
movsbl (%rax,%rcx,1),%esi
lea    0xebb(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
cmp    -0x4(%rbp),%eax
je     1169 <print+0x59>
lea    0xea2(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    116e <print+0x5e>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    1126 <print+0x16>
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<print>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
push   %rax
test   %edi,%edi
jle    117c <print+0x5c>
mov    %rsi,%r15
mov    %edi,%r12d
lea    -0x1(%r12),%r13
lea    0xebf(%rip),%r14
xor    %ebx,%ebx
jmp    1155 <print+0x35>
cs nopw 0x0(%rax,%rax,1)
nop
cmp    %rbx,%r12
je     117c <print+0x5c>
mov    %rbx,%rbp
movsbl (%r15,%rbx,1),%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbp,%r13
je     1150 <print+0x30>
mov    $0x20,%edi
call   1030 <putchar@plt>
jmp    1150 <print+0x30>
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

LLVM IR (-O2):
@.str = [4 x i8] c"%#x\00"
define void @print(i32 %0, i8* nocapture %1) {
%3 = icmp sgt i32 %0, 0
br i1 %3, label %4, label %18
4: ; preds = %2
%5 = zext i32 %0 to i64
br label %6
6: ; preds = %4, %16
%7 = phi i64 [ 0, %4 ], [ %12, %16 ]
%8 = getelementptr inbounds i8, i8* %1, i64 %7
%9 = load i8, i8* %8
%10 = sext i8 %9 to i32
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = add nuw nsw i64 %7, 1
%13 = icmp eq i64 %12, %5
br i1 %13, label %16, label %14
14: ; preds = %6
%15 = tail call i32 @putchar(i32 32)
br label %16
16: ; preds = %6, %14
%17 = icmp eq i64 %12, %5
br i1 %17, label %18, label %6
18: ; preds = %16, %2
ret void
}