#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*/ Parser_DisplayTagInfo(unsigned int, unsigned char);
int /*<<< orphan*/ Parser_TsPacketLog(unsigned int, char *, ...);
int x61_Tag_DescriptorParser(unsigned int type, unsigned char *buff) {
  unsigned int i = 0;
  if (NULL == buff) {
    return -1;
  }
  Parser_DisplayTagInfo(type, buff[0]);
  Parser_TsPacketLog(type, "Descriptor_length = 0x%x\n", buff[1]);
  Parser_TsPacketLog(type, "sb_size = 0x%x", (buff[2] & 0xC0) >> 6);
  Parser_TsPacketLog(type, "sb_leak_rate = 0x%x", buff[2] & 0x3F);
  if (buff[1] > 1) {
    for (i = 1; i < buff[1]; i++) {
      Parser_TsPacketLog(type, "DVB_reserved = 0x%x\n", buff[i + 2]);
    }
  }
  Parser_TsPacketLog(type, "******END******\n");
  return buff[1];
}


x86 assembly (clang, -O0):
<x61_Tag_DescriptorParser>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
movl   $0x0,-0x14(%rbp)
xor    %eax,%eax
cmp    -0x10(%rbp),%rax
jne    114e <x61_Tag_DescriptorParser+0x2e>
movl   $0xffffffff,-0x4(%rbp)
jmp    122f <x61_Tag_DescriptorParser+0x10f>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl (%rax),%esi
call   1040 <Parser_DisplayTagInfo@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%edx
lea    0xe91(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl 0x2(%rax),%edx
and    $0xc0,%edx
sar    $0x6,%edx
lea    0xe89(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
movzbl 0x2(%rax),%edx
and    $0x3f,%edx
lea    0xe7c(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%eax
cmp    $0x1,%eax
jle    1213 <x61_Tag_DescriptorParser+0xf3>
movl   $0x1,-0x14(%rbp)
mov    -0x14(%rbp),%eax
mov    -0x10(%rbp),%rcx
movzbl 0x1(%rcx),%ecx
cmp    %ecx,%eax
jae    120e <x61_Tag_DescriptorParser+0xee>
mov    -0x8(%rbp),%edi
mov    -0x10(%rbp),%rax
mov    -0x14(%rbp),%ecx
add    $0x2,%ecx
mov    %ecx,%ecx
movzbl (%rax,%rcx,1),%edx
lea    0xe44(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
jmp    11cc <x61_Tag_DescriptorParser+0xac>
jmp    1213 <x61_Tag_DescriptorParser+0xf3>
mov    -0x8(%rbp),%edi
lea    0xe35(%rip),%rsi
mov    $0x0,%al
call   1030 <Parser_TsPacketLog@plt>
mov    -0x10(%rbp),%rax
movzbl 0x1(%rax),%eax
mov    %eax,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<x61_Tag_DescriptorParser>:
test   %rsi,%rsi
je     11df <x61_Tag_DescriptorParser+0xbf>
push   %rbp
push   %r15
push   %r14
push   %rbx
push   %rax
mov    %rsi,%rbx
mov    %edi,%r15d
movzbl (%rsi),%esi
call   1040 <Parser_DisplayTagInfo@plt>
movzbl 0x1(%rbx),%edx
lea    0xeb7(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
movzbl 0x2(%rbx),%edx
shr    $0x6,%edx
lea    0xeb9(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
movzbl 0x2(%rbx),%edx
and    $0x3f,%edx
lea    0xeb0(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
cmpb   $0x2,0x1(%rbx)
jb     11bf <x61_Tag_DescriptorParser+0x9f>
mov    $0x1,%ebp
lea    0xea8(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
nop
movzbl 0x2(%rbx,%rbp,1),%edx
mov    %r15d,%edi
mov    %r14,%rsi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
add    $0x1,%rbp
movzbl 0x1(%rbx),%eax
cmp    %rax,%rbp
jb     11a0 <x61_Tag_DescriptorParser+0x80>
lea    0xe8c(%rip),%rsi
mov    %r15d,%edi
xor    %eax,%eax
call   1030 <Parser_TsPacketLog@plt>
movzbl 0x1(%rbx),%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
pop    %r15
pop    %rbp
ret
mov    $0xffffffff,%eax
ret

LLVM IR (-O0):
@.str = [26 x i8] c"Descriptor_length = 0x%x\0A\00"
@.str.1 = [15 x i8] c"sb_size = 0x%x\00"
@.str.2 = [20 x i8] c"sb_leak_rate = 0x%x\00"
@.str.3 = [21 x i8] c"DVB_reserved = 0x%x\0A\00"
@.str.4 = [17 x i8] c"******END******\0A\00"
define i32 @x61_Tag_DescriptorParser(i32 %0, i8* %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8*
%6 = alloca i32
store i32 %0, i32* %4
store i8* %1, i8** %5
store i32 0, i32* %6
%7 = load i8*, i8** %5
%8 = icmp eq i8* null, %7
br i1 %8, label %9, label %10
9: ; preds = %2
store i32 -1, i32* %3
br label %71
10: ; preds = %2
%11 = load i32, i32* %4
%12 = load i8*, i8** %5
%13 = getelementptr inbounds i8, i8* %12, i64 0
%14 = load i8, i8* %13
%15 = call i32 @Parser_DisplayTagInfo(i32 %11, i8 zeroext %14)
%16 = load i32, i32* %4
%17 = load i8*, i8** %5
%18 = getelementptr inbounds i8, i8* %17, i64 1
%19 = load i8, i8* %18
%20 = zext i8 %19 to i32
%21 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %16, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %20)
%22 = load i32, i32* %4
%23 = load i8*, i8** %5
%24 = getelementptr inbounds i8, i8* %23, i64 2
%25 = load i8, i8* %24
%26 = zext i8 %25 to i32
%27 = and i32 %26, 192
%28 = ashr i32 %27, 6
%29 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %22, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %28)
%30 = load i32, i32* %4
%31 = load i8*, i8** %5
%32 = getelementptr inbounds i8, i8* %31, i64 2
%33 = load i8, i8* %32
%34 = zext i8 %33 to i32
%35 = and i32 %34, 63
%36 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %30, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 %35)
%37 = load i8*, i8** %5
%38 = getelementptr inbounds i8, i8* %37, i64 1
%39 = load i8, i8* %38
%40 = zext i8 %39 to i32
%41 = icmp sgt i32 %40, 1
br i1 %41, label %42, label %64
42: ; preds = %10
store i32 1, i32* %6
br label %43
43: ; preds = %60, %42
%44 = load i32, i32* %6
%45 = load i8*, i8** %5
%46 = getelementptr inbounds i8, i8* %45, i64 1
%47 = load i8, i8* %46
%48 = zext i8 %47 to i32
%49 = icmp ult i32 %44, %48
br i1 %49, label %50, label %63
50: ; preds = %43
%51 = load i32, i32* %4
%52 = load i8*, i8** %5
%53 = load i32, i32* %6
%54 = add i32 %53, 2
%55 = zext i32 %54 to i64
%56 = getelementptr inbounds i8, i8* %52, i64 %55
%57 = load i8, i8* %56
%58 = zext i8 %57 to i32
%59 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %51, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), i32 %58)
br label %60
60: ; preds = %50
%61 = load i32, i32* %6
%62 = add i32 %61, 1
store i32 %62, i32* %6
br label %43
63: ; preds = %43
br label %64
64: ; preds = %63, %10
%65 = load i32, i32* %4
%66 = call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %65, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%67 = load i8*, i8** %5
%68 = getelementptr inbounds i8, i8* %67, i64 1
%69 = load i8, i8* %68
%70 = zext i8 %69 to i32
store i32 %70, i32* %3
br label %71
71: ; preds = %64, %9
%72 = load i32, i32* %3
ret i32 %72
}

LLVM IR (-O2):
@.str = [26 x i8] c"Descriptor_length = 0x%x\0A\00"
@.str.1 = [15 x i8] c"sb_size = 0x%x\00"
@.str.2 = [20 x i8] c"sb_leak_rate = 0x%x\00"
@.str.3 = [21 x i8] c"DVB_reserved = 0x%x\0A\00"
@.str.4 = [17 x i8] c"******END******\0A\00"
define i32 @x61_Tag_DescriptorParser(i32 %0, i8* %1) {
%3 = icmp eq i8* %1, null
br i1 %3, label %37, label %4
4: ; preds = %2
%5 = load i8, i8* %1
%6 = tail call i32 @Parser_DisplayTagInfo(i32 %0, i8 zeroext %5)
%7 = getelementptr inbounds i8, i8* %1, i64 1
%8 = load i8, i8* %7
%9 = zext i8 %8 to i32
%10 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = getelementptr inbounds i8, i8* %1, i64 2
%12 = load i8, i8* %11
%13 = lshr i8 %12, 6
%14 = zext i8 %13 to i32
%15 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.1, i64 0, i64 0), i32 %14)
%16 = load i8, i8* %11
%17 = and i8 %16, 63
%18 = zext i8 %17 to i32
%19 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0), i32 %18)
%20 = load i8, i8* %7
%21 = icmp ugt i8 %20, 1
br i1 %21, label %22, label %33
22: ; preds = %4, %22
%23 = phi i64 [ %29, %22 ], [ 1, %4 ]
%24 = add nuw nsw i64 %23, 2
%25 = getelementptr inbounds i8, i8* %1, i64 %24
%26 = load i8, i8* %25
%27 = zext i8 %26 to i32
%28 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.3, i64 0, i64 0), i32 %27)
%29 = add nuw nsw i64 %23, 1
%30 = load i8, i8* %7
%31 = zext i8 %30 to i64
%32 = icmp ult i64 %29, %31
br i1 %32, label %22, label %33
33: ; preds = %22, %4
%34 = tail call i32 (i32, i8*, ...) @Parser_TsPacketLog(i32 %0, i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str.4, i64 0, i64 0))
%35 = load i8, i8* %7
%36 = zext i8 %35 to i32
br label %37
37: ; preds = %2, %33
%38 = phi i32 [ %36, %33 ], [ -1, %2 ]
ret i32 %38
}