#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 *, unsigned char const);
int /*<<< orphan*/ putchar(char);
int pretty_print(const unsigned char *buf, int count) {
  int i = 0;
  for (; i < count; i++)
    printf("%02hhx ", buf[i]);
  putchar('\n');
  return i;
}


x86 assembly (clang, -O0):
<pretty_print>:
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    1168 <pretty_print+0x48>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
lea    0xeaf(%rip),%rdi
movzbl (%rax,%rcx,1),%esi
call   1040 <printf@plt>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    1136 <pretty_print+0x16>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    -0x10(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<pretty_print>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
test   %esi,%esi
jle    1158 <pretty_print+0x38>
mov    %esi,%r14d
mov    %rdi,%r12
mov    %esi,%ebp
xor    %ebx,%ebx
lea    0xec3(%rip),%r15
nopl   (%rax)
movzbl (%r12,%rbx,1),%esi
mov    %r15,%rdi
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%rbp
jne    1140 <pretty_print+0x20>
jmp    115b <pretty_print+0x3b>
xor    %r14d,%r14d
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    %r14d,%eax
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [8 x i8] c"%02hhx \00"
define i32 @pretty_print(i8* %0, i32 %1) {
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32
store i8* %0, i8** %3
store i32 %1, i32* %4
store i32 0, i32* %5
br label %6
6: ; preds = %17, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %20
10: ; preds = %6
%11 = load i8*, i8** %3
%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 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8 zeroext %15)
br label %17
17: ; preds = %10
%18 = load i32, i32* %5
%19 = add nsw i32 %18, 1
store i32 %19, i32* %5
br label %6
20: ; preds = %6
%21 = call i32 @putchar(i8 signext 10)
%22 = load i32, i32* %5
ret i32 %22
}

LLVM IR (-O2):
@.str = [8 x i8] c"%02hhx \00"
define i32 @pretty_print(i8* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %13
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %6
%7 = phi i64 [ 0, %4 ], [ %11, %6 ]
%8 = getelementptr inbounds i8, i8* %0, i64 %7
%9 = load i8, i8* %8
%10 = tail call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i8 zeroext %9)
%11 = add nuw nsw i64 %7, 1
%12 = icmp eq i64 %11, %5
br i1 %12, label %13, label %6
13: ; preds = %6, %2
%14 = phi i32 [ 0, %2 ], [ %1, %6 ]
%15 = tail call i32 @putchar(i8 signext 10)
ret i32 %14
}