#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__ strcmp(char *, char *);
int class_number(char *class) {
  int class_num = 0;
  if (strcmp(class, "Druid") == 0)
    class_num = 1;
  else if (strcmp(class, "Hunter") == 0)
    class_num = 2;
  else if (strcmp(class, "Mage") == 0)
    class_num = 3;
  else if (strcmp(class, "Paladin") == 0)
    class_num = 4;
  else if (strcmp(class, "Priest") == 0)
    class_num = 5;
  else if (strcmp(class, "Rogue") == 0)
    class_num = 6;
  else if (strcmp(class, "Shaman") == 0)
    class_num = 7;
  else if (strcmp(class, "Warlock") == 0)
    class_num = 8;
  else if (strcmp(class, "Warrior") == 0)
    class_num = 9;
  else if (strcmp(class, "recover") == 0)
    class_num = 10;
  else if (strcmp(class, "all") == 0)
    class_num = 11;
  else
    class_num = 0;
  return class_num;
}


x86 assembly (clang, -O0):
<class_number>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0x8(%rbp),%rdi
lea    0xed2(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1149 <class_number+0x39>
movl   $0x1,-0xc(%rbp)
jmp    12fe <class_number+0x1ee>
mov    -0x8(%rbp),%rdi
lea    0xeb2(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    116f <class_number+0x5f>
movl   $0x2,-0xc(%rbp)
jmp    12f9 <class_number+0x1e9>
mov    -0x8(%rbp),%rdi
lea    0xe93(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1195 <class_number+0x85>
movl   $0x3,-0xc(%rbp)
jmp    12f4 <class_number+0x1e4>
mov    -0x8(%rbp),%rdi
lea    0xe72(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11bb <class_number+0xab>
movl   $0x4,-0xc(%rbp)
jmp    12ef <class_number+0x1df>
mov    -0x8(%rbp),%rdi
lea    0xe54(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    11e1 <class_number+0xd1>
movl   $0x5,-0xc(%rbp)
jmp    12ea <class_number+0x1da>
mov    -0x8(%rbp),%rdi
lea    0xe35(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1207 <class_number+0xf7>
movl   $0x6,-0xc(%rbp)
jmp    12e5 <class_number+0x1d5>
mov    -0x8(%rbp),%rdi
lea    0xe15(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    122d <class_number+0x11d>
movl   $0x7,-0xc(%rbp)
jmp    12e0 <class_number+0x1d0>
mov    -0x8(%rbp),%rdi
lea    0xdf6(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1253 <class_number+0x143>
movl   $0x8,-0xc(%rbp)
jmp    12db <class_number+0x1cb>
mov    -0x8(%rbp),%rdi
lea    0xdd8(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    1279 <class_number+0x169>
movl   $0x9,-0xc(%rbp)
jmp    12d6 <class_number+0x1c6>
mov    -0x8(%rbp),%rdi
lea    0xdba(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    129f <class_number+0x18f>
movl   $0xa,-0xc(%rbp)
jmp    12d1 <class_number+0x1c1>
mov    -0x8(%rbp),%rdi
lea    0xd9c(%rip),%rsi
call   1030 <strcmp@plt>
cmp    $0x0,%rax
jne    12c5 <class_number+0x1b5>
movl   $0xb,-0xc(%rbp)
jmp    12cc <class_number+0x1bc>
movl   $0x0,-0xc(%rbp)
jmp    12d1 <class_number+0x1c1>
jmp    12d6 <class_number+0x1c6>
jmp    12db <class_number+0x1cb>
jmp    12e0 <class_number+0x1d0>
jmp    12e5 <class_number+0x1d5>
jmp    12ea <class_number+0x1da>
jmp    12ef <class_number+0x1df>
jmp    12f4 <class_number+0x1e4>
jmp    12f9 <class_number+0x1e9>
jmp    12fe <class_number+0x1ee>
mov    -0xc(%rbp),%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<class_number>:
push   %rbx
mov    %rdi,%rbx
lea    0xee5(%rip),%rsi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1213 <class_number+0x103>
lea    0xed6(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     121a <class_number+0x10a>
lea    0xec5(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1221 <class_number+0x111>
lea    0xeb2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1228 <class_number+0x118>
lea    0xea2(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     122f <class_number+0x11f>
lea    0xe91(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1236 <class_number+0x126>
lea    0xe7f(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     123d <class_number+0x12d>
lea    0xe6e(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1244 <class_number+0x134>
lea    0xe62(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     124b <class_number+0x13b>
lea    0xe56(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
test   %rax,%rax
je     1252 <class_number+0x142>
lea    0xe4a(%rip),%rsi
mov    %rbx,%rdi
call   1030 <strcmp@plt>
xor    %ecx,%ecx
test   %rax,%rax
mov    $0xb,%eax
cmovne %ecx,%eax
pop    %rbx
ret
mov    $0x1,%eax
pop    %rbx
ret
mov    $0x2,%eax
pop    %rbx
ret
mov    $0x3,%eax
pop    %rbx
ret
mov    $0x4,%eax
pop    %rbx
ret
mov    $0x5,%eax
pop    %rbx
ret
mov    $0x6,%eax
pop    %rbx
ret
mov    $0x7,%eax
pop    %rbx
ret
mov    $0x8,%eax
pop    %rbx
ret
mov    $0x9,%eax
pop    %rbx
ret
mov    $0xa,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [6 x i8] c"Druid\00"
@.str.1 = [7 x i8] c"Hunter\00"
@.str.2 = [5 x i8] c"Mage\00"
@.str.3 = [8 x i8] c"Paladin\00"
@.str.4 = [7 x i8] c"Priest\00"
@.str.5 = [6 x i8] c"Rogue\00"
@.str.6 = [7 x i8] c"Shaman\00"
@.str.7 = [8 x i8] c"Warlock\00"
@.str.8 = [8 x i8] c"Warrior\00"
@.str.9 = [8 x i8] c"recover\00"
@.str.10 = [4 x i8] c"all\00"
define i32 @class_number(i8* %0) {
%2 = alloca i8*
%3 = alloca i32
store i8* %0, i8** %2
store i32 0, i32* %3
%4 = load i8*, i8** %2
%5 = call i64 @strcmp(i8* %4, i8* getelementptr inbounds ([6 x i8], [6 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 1, i32* %3
br label %69
8: ; preds = %1
%9 = load i8*, i8** %2
%10 = call i64 @strcmp(i8* %9, i8* getelementptr inbounds ([7 x i8], [7 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 2, i32* %3
br label %68
13: ; preds = %8
%14 = load i8*, i8** %2
%15 = call i64 @strcmp(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 3, i32* %3
br label %67
18: ; preds = %13
%19 = load i8*, i8** %2
%20 = call i64 @strcmp(i8* %19, i8* getelementptr inbounds ([8 x i8], [8 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 4, i32* %3
br label %66
23: ; preds = %18
%24 = load i8*, i8** %2
%25 = call i64 @strcmp(i8* %24, i8* getelementptr inbounds ([7 x i8], [7 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 5, i32* %3
br label %65
28: ; preds = %23
%29 = load i8*, i8** %2
%30 = call i64 @strcmp(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 6, i32* %3
br label %64
33: ; preds = %28
%34 = load i8*, i8** %2
%35 = call i64 @strcmp(i8* %34, i8* getelementptr inbounds ([7 x i8], [7 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 7, i32* %3
br label %63
38: ; preds = %33
%39 = load i8*, i8** %2
%40 = call i64 @strcmp(i8* %39, i8* getelementptr inbounds ([8 x i8], [8 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 8, i32* %3
br label %62
43: ; preds = %38
%44 = load i8*, i8** %2
%45 = call i64 @strcmp(i8* %44, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0))
%46 = icmp eq i64 %45, 0
br i1 %46, label %47, label %48
47: ; preds = %43
store i32 9, i32* %3
br label %61
48: ; preds = %43
%49 = load i8*, i8** %2
%50 = call i64 @strcmp(i8* %49, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.9, i64 0, i64 0))
%51 = icmp eq i64 %50, 0
br i1 %51, label %52, label %53
52: ; preds = %48
store i32 10, i32* %3
br label %60
53: ; preds = %48
%54 = load i8*, i8** %2
%55 = call i64 @strcmp(i8* %54, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0))
%56 = icmp eq i64 %55, 0
br i1 %56, label %57, label %58
57: ; preds = %53
store i32 11, i32* %3
br label %59
58: ; preds = %53
store i32 0, i32* %3
br label %59
59: ; preds = %58, %57
br label %60
60: ; preds = %59, %52
br label %61
61: ; preds = %60, %47
br label %62
62: ; preds = %61, %42
br label %63
63: ; preds = %62, %37
br label %64
64: ; preds = %63, %32
br label %65
65: ; preds = %64, %27
br label %66
66: ; preds = %65, %22
br label %67
67: ; preds = %66, %17
br label %68
68: ; preds = %67, %12
br label %69
69: ; preds = %68, %7
%70 = load i32, i32* %3
ret i32 %70
}

LLVM IR (-O2):
@.str = [6 x i8] c"Druid\00"
@.str.1 = [7 x i8] c"Hunter\00"
@.str.2 = [5 x i8] c"Mage\00"
@.str.3 = [8 x i8] c"Paladin\00"
@.str.4 = [7 x i8] c"Priest\00"
@.str.5 = [6 x i8] c"Rogue\00"
@.str.6 = [7 x i8] c"Shaman\00"
@.str.7 = [8 x i8] c"Warlock\00"
@.str.8 = [8 x i8] c"Warrior\00"
@.str.9 = [8 x i8] c"recover\00"
@.str.10 = [4 x i8] c"all\00"
define i32 @class_number(i8* %0) {
%2 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
%3 = icmp eq i64 %2, 0
br i1 %3, label %35, label %4
4: ; preds = %1
%5 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.1, i64 0, i64 0))
%6 = icmp eq i64 %5, 0
br i1 %6, label %35, label %7
7: ; preds = %4
%8 = tail call i64 @strcmp(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 %35, label %10
10: ; preds = %7
%11 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.3, i64 0, i64 0))
%12 = icmp eq i64 %11, 0
br i1 %12, label %35, label %13
13: ; preds = %10
%14 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.4, i64 0, i64 0))
%15 = icmp eq i64 %14, 0
br i1 %15, label %35, label %16
16: ; preds = %13
%17 = tail call i64 @strcmp(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 %35, label %19
19: ; preds = %16
%20 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.6, i64 0, i64 0))
%21 = icmp eq i64 %20, 0
br i1 %21, label %35, label %22
22: ; preds = %19
%23 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.7, i64 0, i64 0))
%24 = icmp eq i64 %23, 0
br i1 %24, label %35, label %25
25: ; preds = %22
%26 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.8, i64 0, i64 0))
%27 = icmp eq i64 %26, 0
br i1 %27, label %35, label %28
28: ; preds = %25
%29 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.9, i64 0, i64 0))
%30 = icmp eq i64 %29, 0
br i1 %30, label %35, label %31
31: ; preds = %28
%32 = tail call i64 @strcmp(i8* %0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.10, i64 0, i64 0))
%33 = icmp eq i64 %32, 0
%34 = select i1 %33, i32 11, i32 0
br label %35
35: ; preds = %31, %28, %25, %22, %19, %16, %13, %10, %7, %4, %1
%36 = phi i32 [ 1, %1 ], [ 2, %4 ], [ 3, %7 ], [ 4, %10 ], [ 5, %13 ], [ 6, %16 ], [ 7, %19 ], [ 8, %22 ], [ 9, %25 ], [ 10, %28 ], [ %34, %31 ]
ret i32 %36
}