#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 */
scalar_t__ isprint(char);
int /*<<< orphan*/ printf(char *, ...);
void printf_buff(char *buff, int size) {
  int i = 0;
  for (i = 0; i < size; i++) {
    if (isprint(buff[i])) {
      printf("%c ", buff[i]);
    } else {
      printf("\033[04m%02X\033[0m ", (unsigned char)buff[i]);
    }
  }
  printf("\n\n\n\n");
}


x86 assembly (clang, -O0):
<printf_buff>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    %esi,-0xc(%rbp)
movl   $0x0,-0x10(%rbp)
movl   $0x0,-0x10(%rbp)
mov    -0x10(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    11b0 <printf_buff+0x90>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsbl (%rax,%rcx,1),%edi
call   1040 <isprint@plt>
cmp    $0x0,%rax
je     1183 <printf_buff+0x63>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movsbl (%rax,%rcx,1),%esi
lea    0xe89(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    119d <printf_buff+0x7d>
mov    -0x8(%rbp),%rax
movslq -0x10(%rbp),%rcx
movzbl (%rax,%rcx,1),%esi
lea    0xe6e(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
jmp    11a2 <printf_buff+0x82>
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    113d <printf_buff+0x1d>
lea    0xe5c(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<printf_buff>:
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
test   %esi,%esi
jle    1192 <printf_buff+0x62>
mov    %rdi,%r13
mov    %esi,%r12d
lea    0xeba(%rip),%r14
lea    0xeaf(%rip),%r15
xor    %ebx,%ebx
jmp    1177 <printf_buff+0x47>
cs nopw 0x0(%rax,%rax,1)
nop
movzbl %sil,%esi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <printf@plt>
add    $0x1,%rbx
cmp    %rbx,%r12
je     1192 <printf_buff+0x62>
movsbl 0x0(%r13,%rbx,1),%edi
call   1050 <isprint@plt>
movsbl 0x0(%r13,%rbx,1),%esi
test   %rax,%rax
je     1160 <printf_buff+0x30>
mov    %r15,%rdi
jmp    1167 <printf_buff+0x37>
lea    0xe7a(%rip),%rdi
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [4 x i8] c"%c \00"
@.str.1 = [15 x i8] c"\1B[04m%02X\1B[0m \00"
@.str.2 = [5 x i8] c"\0A\0A\0A\0A\00"
define void @printf_buff(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
store i32 0, i32* %5
br label %6
6: ; preds = %35, %2
%7 = load i32, i32* %5
%8 = load i32, i32* %4
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %38
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 i64 @isprint(i8 signext %15)
%17 = icmp ne i64 %16, 0
br i1 %17, label %18, label %26
18: ; preds = %10
%19 = load i8*, i8** %3
%20 = load i32, i32* %5
%21 = sext i32 %20 to i64
%22 = getelementptr inbounds i8, i8* %19, i64 %21
%23 = load i8, i8* %22
%24 = sext i8 %23 to i32
%25 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %24)
br label %34
26: ; preds = %10
%27 = load i8*, i8** %3
%28 = load i32, i32* %5
%29 = sext i32 %28 to i64
%30 = getelementptr inbounds i8, i8* %27, i64 %29
%31 = load i8, i8* %30
%32 = zext i8 %31 to i32
%33 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %32)
br label %34
34: ; preds = %26, %18
br label %35
35: ; preds = %34
%36 = load i32, i32* %5
%37 = add nsw i32 %36, 1
store i32 %37, i32* %5
br label %6
38: ; preds = %6
%39 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [4 x i8] c"%c \00"
@.str.1 = [15 x i8] c"\1B[04m%02X\1B[0m \00"
@str = [4 x i8] c"\0A\0A\0A\00"
define void @printf_buff(i8* nocapture %0, i32 %1) {
%3 = icmp sgt i32 %1, 0
br i1 %3, label %4, label %22
4: ; preds = %2
%5 = zext i32 %1 to i64
br label %6
6: ; preds = %4, %19
%7 = phi i64 [ 0, %4 ], [ %20, %19 ]
%8 = getelementptr inbounds i8, i8* %0, i64 %7
%9 = load i8, i8* %8
%10 = tail call i64 @isprint(i8 signext %9)
%11 = icmp eq i64 %10, 0
%12 = load i8, i8* %8
br i1 %11, label %16, label %13
13: ; preds = %6
%14 = sext i8 %12 to i32
%15 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
br label %19
16: ; preds = %6
%17 = zext i8 %12 to i32
%18 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %17)
br label %19
19: ; preds = %13, %16
%20 = add nuw nsw i64 %7, 1
%21 = icmp eq i64 %20, %5
br i1 %21, label %22, label %6
22: ; preds = %19, %2
%23 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @str, i64 0, i64 0))
ret void
}