#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__ strcasecmp(unsigned char *, char *);
int ParseStreamCodec(unsigned char *arg) {
  if (strcasecmp(arg, "MPEG2-Video") == 0)
    return 2;
  if (strcasecmp(arg, "MPEG4") == 0)
    return 4;
  if (strcasecmp(arg, "WMV9") == 0)
    return 9;
  if (strcasecmp(arg, "DIVX3") == 0)
    return 3;
  if (strcasecmp(arg, "VC1") == 0)
    return 8;
  if (strcasecmp(arg, "H.264") == 0)
    return 10;
  if (strcasecmp(arg, "AAC") == 0)
    return 2;
  if (strcasecmp(arg, "AC3") == 0)
    return 3;
  return -1;
}


x86 assembly (clang, -O0):
<ParseStreamCodec>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x10(%rbp)
mov    -0x10(%rbp),%rdi
lea    0xed9(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    1142 <ParseStreamCodec+0x32>
movl   $0x2,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xebf(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    1168 <ParseStreamCodec+0x58>
movl   $0x4,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe9f(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    118e <ParseStreamCodec+0x7e>
movl   $0x9,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe7e(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    11b4 <ParseStreamCodec+0xa4>
movl   $0x3,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe5e(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    11da <ParseStreamCodec+0xca>
movl   $0x8,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe3c(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    1200 <ParseStreamCodec+0xf0>
movl   $0xa,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xe1c(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    1226 <ParseStreamCodec+0x116>
movl   $0x2,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
mov    -0x10(%rbp),%rdi
lea    0xdfa(%rip),%rsi
call   1030 <strcasecmp@plt>
cmp    $0x0,%rax
jne    124c <ParseStreamCodec+0x13c>
movl   $0x3,-0x4(%rbp)
jmp    1253 <ParseStreamCodec+0x143>
movl   $0xffffffff,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<ParseStreamCodec>:
push   %rbp
push   %rbx
push   %rax
mov    %rdi,%rbx
lea    0xee3(%rip),%rsi
call   1030 <strcasecmp@plt>
mov    $0x2,%ebp
test   %rax,%rax
je     11e2 <ParseStreamCodec+0xd2>
lea    0xed5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11c1 <ParseStreamCodec+0xb1>
lea    0xec7(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11c8 <ParseStreamCodec+0xb8>
lea    0xeb8(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11cf <ParseStreamCodec+0xbf>
lea    0xeaa(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11d6 <ParseStreamCodec+0xc6>
lea    0xe9a(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11dd <ParseStreamCodec+0xcd>
lea    0xe8c(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
test   %rax,%rax
je     11e2 <ParseStreamCodec+0xd2>
lea    0xe7c(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcasecmp@plt>
neg    %rax
sbb    %ebp,%ebp
or     $0x3,%ebp
jmp    11e2 <ParseStreamCodec+0xd2>
mov    $0x4,%ebp
jmp    11e2 <ParseStreamCodec+0xd2>
mov    $0x9,%ebp
jmp    11e2 <ParseStreamCodec+0xd2>
mov    $0x3,%ebp
jmp    11e2 <ParseStreamCodec+0xd2>
mov    $0x8,%ebp
jmp    11e2 <ParseStreamCodec+0xd2>
mov    $0xa,%ebp
mov    %ebp,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@.str = [12 x i8] c"MPEG2-Video\00"
@.str.1 = [6 x i8] c"MPEG4\00"
@.str.2 = [5 x i8] c"WMV9\00"
@.str.3 = [6 x i8] c"DIVX3\00"
@.str.4 = [4 x i8] c"VC1\00"
@.str.5 = [6 x i8] c"H.264\00"
@.str.6 = [4 x i8] c"AAC\00"
@.str.7 = [4 x i8] c"AC3\00"
define i32 @ParseStreamCodec(i8* %0) {
%2 = alloca i32
%3 = alloca i8*
store i8* %0, i8** %3
%4 = load i8*, i8** %3
%5 = call i64 @strcasecmp(i8* %4, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %7, label %8
7: ; preds = %1
store i32 2, i32* %2
br label %44
8: ; preds = %1
%9 = load i8*, i8** %3
%10 = call i64 @strcasecmp(i8* %9, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%11 = icmp eq i64 %10, 0
br i1 %11, label %12, label %13
12: ; preds = %8
store i32 4, i32* %2
br label %44
13: ; preds = %8
%14 = load i8*, i8** %3
%15 = call i64 @strcasecmp(i8* %14, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%16 = icmp eq i64 %15, 0
br i1 %16, label %17, label %18
17: ; preds = %13
store i32 9, i32* %2
br label %44
18: ; preds = %13
%19 = load i8*, i8** %3
%20 = call i64 @strcasecmp(i8* %19, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %22, label %23
22: ; preds = %18
store i32 3, i32* %2
br label %44
23: ; preds = %18
%24 = load i8*, i8** %3
%25 = call i64 @strcasecmp(i8* %24, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%26 = icmp eq i64 %25, 0
br i1 %26, label %27, label %28
27: ; preds = %23
store i32 8, i32* %2
br label %44
28: ; preds = %23
%29 = load i8*, i8** %3
%30 = call i64 @strcasecmp(i8* %29, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
%31 = icmp eq i64 %30, 0
br i1 %31, label %32, label %33
32: ; preds = %28
store i32 10, i32* %2
br label %44
33: ; preds = %28
%34 = load i8*, i8** %3
%35 = call i64 @strcasecmp(i8* %34, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
%36 = icmp eq i64 %35, 0
br i1 %36, label %37, label %38
37: ; preds = %33
store i32 2, i32* %2
br label %44
38: ; preds = %33
%39 = load i8*, i8** %3
%40 = call i64 @strcasecmp(i8* %39, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%41 = icmp eq i64 %40, 0
br i1 %41, label %42, label %43
42: ; preds = %38
store i32 3, i32* %2
br label %44
43: ; preds = %38
store i32 -1, i32* %2
br label %44
44: ; preds = %43, %42, %37, %32, %27, %22, %17, %12, %7
%45 = load i32, i32* %2
ret i32 %45
}

LLVM IR (-O2):
@.str = [12 x i8] c"MPEG2-Video\00"
@.str.1 = [6 x i8] c"MPEG4\00"
@.str.2 = [5 x i8] c"WMV9\00"
@.str.3 = [6 x i8] c"DIVX3\00"
@.str.4 = [4 x i8] c"VC1\00"
@.str.5 = [6 x i8] c"H.264\00"
@.str.6 = [4 x i8] c"AAC\00"
@.str.7 = [4 x i8] c"AC3\00"
define i32 @ParseStreamCodec(i8* nocapture %0) {
%2 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %26, label %4
4: ; preds = %1
%5 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %26, label %7
7: ; preds = %4
%8 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
%9 = icmp eq i64 %8, 0
br i1 %9, label %26, label %10
10: ; preds = %7
%11 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %26, label %13
13: ; preds = %10
%14 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %26, label %16
16: ; preds = %13
%17 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.5, i64 0, i64 0))
%18 = icmp eq i64 %17, 0
br i1 %18, label %26, label %19
19: ; preds = %16
%20 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %26, label %22
22: ; preds = %19
%23 = tail call i64 @strcasecmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
%25 = select i1 %24, i32 3, i32 -1
br label %26
26: ; preds = %22, %19, %16, %13, %10, %7, %4, %1
%27 = phi i32 [ 2, %1 ], [ 4, %4 ], [ 9, %7 ], [ 3, %10 ], [ 8, %13 ], [ 10, %16 ], [ 2, %19 ], [ %25, %22 ]
ret i32 %27
}