#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 int);
const char *dttools_sha1_string(unsigned char digest[20]) {
  static char str[41];
  int i;
  for (i = 0; i < 20; i++) {
    sprintf(&str[i * 2], "%02x", (unsigned)digest[i]);
  }
  str[40] = 0;
  return str;
}


x86 assembly (clang, -O0):
<dttools_sha1_string>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
cmpl   $0x14,-0xc(%rbp)
jge    1165 <dttools_sha1_string+0x55>
mov    -0xc(%rbp),%eax
shl    $0x1,%eax
cltq
lea    0x2f04(%rip),%rdi
add    %rax,%rdi
mov    -0x8(%rbp),%rax
movslq -0xc(%rbp),%rcx
movzbl (%rax,%rcx,1),%edx
lea    0xeae(%rip),%rsi
call   1030 <sprintf@plt>
mov    -0xc(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0xc(%rbp)
jmp    1123 <dttools_sha1_string+0x13>
movb   $0x0,0x2efc(%rip)
lea    0x2ecd(%rip),%rax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<dttools_sha1_string>:
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>
movzbl 0x10(%rbx),%edx
lea    0x2e04(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x11(%rbx),%edx
lea    0x2df3(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x12(%rbx),%edx
lea    0x2de2(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movzbl 0x13(%rbx),%edx
lea    0x2dd1(%rip),%rdi
mov    %r15,%rsi
call   1030 <sprintf@plt>
movb   $0x0,0x2dc4(%rip)
mov    %r14,%rax
pop    %rbx
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@dttools_sha1_string.str = internal global [41 x i8] zeroinitializer
@.str = [5 x i8] c"%02x\00"
define i8* @dttools_sha1_string(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
br label %4
4: ; preds = %19, %1
%5 = load i32, i32* %3
%6 = icmp slt i32 %5, 20
br i1 %6, label %7, label %22
7: ; preds = %4
%8 = load i32, i32* %3
%9 = mul nsw i32 %8, 2
%10 = sext i32 %9 to i64
%11 = getelementptr inbounds [41 x i8], [41 x i8]* @dttools_sha1_string.str, 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 = zext i8 %16 to i32
%18 = call i32 @sprintf(i8* %11, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %17)
br label %19
19: ; preds = %7
%20 = load i32, i32* %3
%21 = add nsw i32 %20, 1
store i32 %21, i32* %3
br label %4
22: ; preds = %4
store i8 0, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 40)
ret i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 0)
}

LLVM IR (-O2):
@dttools_sha1_string.str = internal global [41 x i8] zeroinitializer
@.str = [5 x i8] c"%02x\00"
define i8* @dttools_sha1_string(i8* nocapture %0) {
%2 = load i8, i8* %0
%3 = zext i8 %2 to i32
%4 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 0), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = getelementptr inbounds i8, i8* %0, i64 1
%6 = load i8, i8* %5
%7 = zext i8 %6 to i32
%8 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 2), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = getelementptr inbounds i8, i8* %0, i64 2
%10 = load i8, i8* %9
%11 = zext i8 %10 to i32
%12 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 4), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = getelementptr inbounds i8, i8* %0, i64 3
%14 = load i8, i8* %13
%15 = zext i8 %14 to i32
%16 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 6), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = getelementptr inbounds i8, i8* %0, i64 4
%18 = load i8, i8* %17
%19 = zext i8 %18 to i32
%20 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 8), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %19)
%21 = getelementptr inbounds i8, i8* %0, i64 5
%22 = load i8, i8* %21
%23 = zext i8 %22 to i32
%24 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 10), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %23)
%25 = getelementptr inbounds i8, i8* %0, i64 6
%26 = load i8, i8* %25
%27 = zext i8 %26 to i32
%28 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 12), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %27)
%29 = getelementptr inbounds i8, i8* %0, i64 7
%30 = load i8, i8* %29
%31 = zext i8 %30 to i32
%32 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 14), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %31)
%33 = getelementptr inbounds i8, i8* %0, i64 8
%34 = load i8, i8* %33
%35 = zext i8 %34 to i32
%36 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 16), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %35)
%37 = getelementptr inbounds i8, i8* %0, i64 9
%38 = load i8, i8* %37
%39 = zext i8 %38 to i32
%40 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 18), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %39)
%41 = getelementptr inbounds i8, i8* %0, i64 10
%42 = load i8, i8* %41
%43 = zext i8 %42 to i32
%44 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 20), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %43)
%45 = getelementptr inbounds i8, i8* %0, i64 11
%46 = load i8, i8* %45
%47 = zext i8 %46 to i32
%48 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 22), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %47)
%49 = getelementptr inbounds i8, i8* %0, i64 12
%50 = load i8, i8* %49
%51 = zext i8 %50 to i32
%52 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 24), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %51)
%53 = getelementptr inbounds i8, i8* %0, i64 13
%54 = load i8, i8* %53
%55 = zext i8 %54 to i32
%56 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 26), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %55)
%57 = getelementptr inbounds i8, i8* %0, i64 14
%58 = load i8, i8* %57
%59 = zext i8 %58 to i32
%60 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 28), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %59)
%61 = getelementptr inbounds i8, i8* %0, i64 15
%62 = load i8, i8* %61
%63 = zext i8 %62 to i32
%64 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 30), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %63)
%65 = getelementptr inbounds i8, i8* %0, i64 16
%66 = load i8, i8* %65
%67 = zext i8 %66 to i32
%68 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 32), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %67)
%69 = getelementptr inbounds i8, i8* %0, i64 17
%70 = load i8, i8* %69
%71 = zext i8 %70 to i32
%72 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 34), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %71)
%73 = getelementptr inbounds i8, i8* %0, i64 18
%74 = load i8, i8* %73
%75 = zext i8 %74 to i32
%76 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 36), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %75)
%77 = getelementptr inbounds i8, i8* %0, i64 19
%78 = load i8, i8* %77
%79 = zext i8 %78 to i32
%80 = tail call i32 @sprintf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 38), i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %79)
store i8 0, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 40)
ret i8* getelementptr inbounds ([41 x i8], [41 x i8]* @dttools_sha1_string.str, i64 0, i64 0)
}