#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*/ sprintf(char *, char *, unsigned char);
char *MD5_tohex(unsigned char *digest) {
  static char outbuf[33];
  int i;
  for (i = 0; i < 16; i++)
    sprintf(outbuf + (i * 2), "%02x", *(digest + i));
  outbuf[32] = '\0';
  return (outbuf);
}


x86 assembly (clang, -O0):
<MD5_tohex>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x10,-0xc(%rbp)
jge    1165 <MD5_tohex+0x55>
mov    -0xc(%rbp),%eax
shl    $0x1,%eax
cltq
lea    0x2f04(%rip),%rdi
add    %rax,%rdi
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
lea    0xeb2(%rip),%rsi
movzbl (%rax,%rcx,1),%edx
call   1030 <sprintf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <MD5_tohex+0x13>
movb   $0x0,0x2ef4(%rip)
lea    0x2ecd(%rip),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<MD5_tohex>:
push   %r15
push   %r14
push   %rbx
mov    %rdi,%rbx
movzbl (%rdi),%edx
lea    0x2f1e(%rip),%r14
lea    0xed7(%rip),%r15
mov    %r14,%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x1(%rbx),%edx
lea    0x2f03(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x2(%rbx),%edx
lea    0x2ef2(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x3(%rbx),%edx
lea    0x2ee1(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x4(%rbx),%edx
lea    0x2ed0(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x5(%rbx),%edx
lea    0x2ebf(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x6(%rbx),%edx
lea    0x2eae(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x7(%rbx),%edx
lea    0x2e9d(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x8(%rbx),%edx
lea    0x2e8c(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x9(%rbx),%edx
lea    0x2e7b(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xa(%rbx),%edx
lea    0x2e6a(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xb(%rbx),%edx
lea    0x2e59(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xc(%rbx),%edx
lea    0x2e48(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xd(%rbx),%edx
lea    0x2e37(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xe(%rbx),%edx
lea    0x2e26(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0xf(%rbx),%edx
lea    0x2e15(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movb   $0x0,0x2e08(%rip)
mov    %r14,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@MD5_tohex.outbuf = internal global [33 x i8] zeroinitializer
@.str = [5 x i8] c"%02x\00"
define i8* @MD5_tohex(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
br label %4
4: ; preds = %18, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 16
br i1 %6, label %7, label %21
7: ; preds = %4
%8 = load i32, i32* %3
%9 = mul nsw i32 %8, 2
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds i8, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 0), i64 %10
%12 = load i8*, i8** %2
%13 = load i32, i32* %3
%14 = sext i32 %13 to i64
%15 = getelementptr inbounds i8, i8* %12, i64 %14
%16 = load i8, i8* %15
%17 = call i32 @sprintf(i8* %11, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %16)
br label %18
18: ; preds = %7
%19 = load i32, i32* %3
%20 = add nsw i32 %19, 1
store i32 %20, i32* %3
br label %4
21: ; preds = %4
store i8 0, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 32)
ret i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 0)
}

LLVM IR (-O2):
@MD5_tohex.outbuf = internal global [33 x i8] zeroinitializer
@.str = [5 x i8] c"%02x\00"
define i8* @MD5_tohex(i8* nocapture %0) {
%2 = load i8, i8* %0
%3 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 0), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %2)
%4 = getelementptr inbounds i8, i8* %0, i64 1
%5 = load i8, i8* %4
%6 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 2), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %5)
%7 = getelementptr inbounds i8, i8* %0, i64 2
%8 = load i8, i8* %7
%9 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 4), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %8)
%10 = getelementptr inbounds i8, i8* %0, i64 3
%11 = load i8, i8* %10
%12 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 6), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %11)
%13 = getelementptr inbounds i8, i8* %0, i64 4
%14 = load i8, i8* %13
%15 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 8), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %14)
%16 = getelementptr inbounds i8, i8* %0, i64 5
%17 = load i8, i8* %16
%18 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 10), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %17)
%19 = getelementptr inbounds i8, i8* %0, i64 6
%20 = load i8, i8* %19
%21 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 12), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %20)
%22 = getelementptr inbounds i8, i8* %0, i64 7
%23 = load i8, i8* %22
%24 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 14), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %23)
%25 = getelementptr inbounds i8, i8* %0, i64 8
%26 = load i8, i8* %25
%27 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 16), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %26)
%28 = getelementptr inbounds i8, i8* %0, i64 9
%29 = load i8, i8* %28
%30 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 18), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %29)
%31 = getelementptr inbounds i8, i8* %0, i64 10
%32 = load i8, i8* %31
%33 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 20), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %32)
%34 = getelementptr inbounds i8, i8* %0, i64 11
%35 = load i8, i8* %34
%36 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 22), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %35)
%37 = getelementptr inbounds i8, i8* %0, i64 12
%38 = load i8, i8* %37
%39 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 24), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %38)
%40 = getelementptr inbounds i8, i8* %0, i64 13
%41 = load i8, i8* %40
%42 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 26), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %41)
%43 = getelementptr inbounds i8, i8* %0, i64 14
%44 = load i8, i8* %43
%45 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 28), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %44)
%46 = getelementptr inbounds i8, i8* %0, i64 15
%47 = load i8, i8* %46
%48 = tail call i32 @sprintf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 30), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i8 zeroext %47)
store i8 0, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 32)
ret i8* getelementptr inbounds ([33 x i8], [33 x i8]* @MD5_tohex.outbuf, i64 0, i64 0)
}